perf evsel: Rename perf_evsel__nr_cpus() to evsel__nr_cpus()
[sfrench/cifs-2.6.git] / tools / perf / builtin-script.c
1 // SPDX-License-Identifier: GPL-2.0
2 #include "builtin.h"
3
4 #include "util/counts.h"
5 #include "util/debug.h"
6 #include "util/dso.h"
7 #include <subcmd/exec-cmd.h>
8 #include "util/header.h"
9 #include <subcmd/parse-options.h>
10 #include "util/perf_regs.h"
11 #include "util/session.h"
12 #include "util/tool.h"
13 #include "util/map.h"
14 #include "util/srcline.h"
15 #include "util/symbol.h"
16 #include "util/thread.h"
17 #include "util/trace-event.h"
18 #include "util/evlist.h"
19 #include "util/evsel.h"
20 #include "util/evsel_fprintf.h"
21 #include "util/evswitch.h"
22 #include "util/sort.h"
23 #include "util/data.h"
24 #include "util/auxtrace.h"
25 #include "util/cpumap.h"
26 #include "util/thread_map.h"
27 #include "util/stat.h"
28 #include "util/color.h"
29 #include "util/string2.h"
30 #include "util/thread-stack.h"
31 #include "util/time-utils.h"
32 #include "util/path.h"
33 #include "ui/ui.h"
34 #include "print_binary.h"
35 #include "archinsn.h"
36 #include <linux/bitmap.h>
37 #include <linux/kernel.h>
38 #include <linux/stringify.h>
39 #include <linux/time64.h>
40 #include <linux/zalloc.h>
41 #include <sys/utsname.h>
42 #include "asm/bug.h"
43 #include "util/mem-events.h"
44 #include "util/dump-insn.h"
45 #include <dirent.h>
46 #include <errno.h>
47 #include <inttypes.h>
48 #include <signal.h>
49 #include <sys/param.h>
50 #include <sys/types.h>
51 #include <sys/stat.h>
52 #include <fcntl.h>
53 #include <unistd.h>
54 #include <subcmd/pager.h>
55 #include <perf/evlist.h>
56 #include <linux/err.h>
57 #include "util/record.h"
58 #include "util/util.h"
59 #include "perf.h"
60
61 #include <linux/ctype.h>
62
63 static char const               *script_name;
64 static char const               *generate_script_lang;
65 static bool                     reltime;
66 static bool                     deltatime;
67 static u64                      initial_time;
68 static u64                      previous_time;
69 static bool                     debug_mode;
70 static u64                      last_timestamp;
71 static u64                      nr_unordered;
72 static bool                     no_callchain;
73 static bool                     latency_format;
74 static bool                     system_wide;
75 static bool                     print_flags;
76 static const char               *cpu_list;
77 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
78 static struct perf_stat_config  stat_config;
79 static int                      max_blocks;
80 static bool                     native_arch;
81
82 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
83
84 enum perf_output_field {
85         PERF_OUTPUT_COMM            = 1U << 0,
86         PERF_OUTPUT_TID             = 1U << 1,
87         PERF_OUTPUT_PID             = 1U << 2,
88         PERF_OUTPUT_TIME            = 1U << 3,
89         PERF_OUTPUT_CPU             = 1U << 4,
90         PERF_OUTPUT_EVNAME          = 1U << 5,
91         PERF_OUTPUT_TRACE           = 1U << 6,
92         PERF_OUTPUT_IP              = 1U << 7,
93         PERF_OUTPUT_SYM             = 1U << 8,
94         PERF_OUTPUT_DSO             = 1U << 9,
95         PERF_OUTPUT_ADDR            = 1U << 10,
96         PERF_OUTPUT_SYMOFFSET       = 1U << 11,
97         PERF_OUTPUT_SRCLINE         = 1U << 12,
98         PERF_OUTPUT_PERIOD          = 1U << 13,
99         PERF_OUTPUT_IREGS           = 1U << 14,
100         PERF_OUTPUT_BRSTACK         = 1U << 15,
101         PERF_OUTPUT_BRSTACKSYM      = 1U << 16,
102         PERF_OUTPUT_DATA_SRC        = 1U << 17,
103         PERF_OUTPUT_WEIGHT          = 1U << 18,
104         PERF_OUTPUT_BPF_OUTPUT      = 1U << 19,
105         PERF_OUTPUT_CALLINDENT      = 1U << 20,
106         PERF_OUTPUT_INSN            = 1U << 21,
107         PERF_OUTPUT_INSNLEN         = 1U << 22,
108         PERF_OUTPUT_BRSTACKINSN     = 1U << 23,
109         PERF_OUTPUT_BRSTACKOFF      = 1U << 24,
110         PERF_OUTPUT_SYNTH           = 1U << 25,
111         PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
112         PERF_OUTPUT_UREGS           = 1U << 27,
113         PERF_OUTPUT_METRIC          = 1U << 28,
114         PERF_OUTPUT_MISC            = 1U << 29,
115         PERF_OUTPUT_SRCCODE         = 1U << 30,
116         PERF_OUTPUT_IPC             = 1U << 31,
117 };
118
119 struct output_option {
120         const char *str;
121         enum perf_output_field field;
122 } all_output_options[] = {
123         {.str = "comm",  .field = PERF_OUTPUT_COMM},
124         {.str = "tid",   .field = PERF_OUTPUT_TID},
125         {.str = "pid",   .field = PERF_OUTPUT_PID},
126         {.str = "time",  .field = PERF_OUTPUT_TIME},
127         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
128         {.str = "event", .field = PERF_OUTPUT_EVNAME},
129         {.str = "trace", .field = PERF_OUTPUT_TRACE},
130         {.str = "ip",    .field = PERF_OUTPUT_IP},
131         {.str = "sym",   .field = PERF_OUTPUT_SYM},
132         {.str = "dso",   .field = PERF_OUTPUT_DSO},
133         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
134         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
135         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
136         {.str = "period", .field = PERF_OUTPUT_PERIOD},
137         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
138         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
139         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
140         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
141         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
142         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
143         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
144         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
145         {.str = "insn", .field = PERF_OUTPUT_INSN},
146         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
147         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
148         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
149         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
150         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
151         {.str = "metric", .field = PERF_OUTPUT_METRIC},
152         {.str = "misc", .field = PERF_OUTPUT_MISC},
153         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
154         {.str = "ipc", .field = PERF_OUTPUT_IPC},
155 };
156
157 enum {
158         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
159         OUTPUT_TYPE_MAX
160 };
161
162 /* default set to maintain compatibility with current format */
163 static struct {
164         bool user_set;
165         bool wildcard_set;
166         unsigned int print_ip_opts;
167         u64 fields;
168         u64 invalid_fields;
169         u64 user_set_fields;
170 } output[OUTPUT_TYPE_MAX] = {
171
172         [PERF_TYPE_HARDWARE] = {
173                 .user_set = false,
174
175                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
176                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
177                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
178                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
179                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
180
181                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
182         },
183
184         [PERF_TYPE_SOFTWARE] = {
185                 .user_set = false,
186
187                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
188                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
189                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
190                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
191                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
192                               PERF_OUTPUT_BPF_OUTPUT,
193
194                 .invalid_fields = PERF_OUTPUT_TRACE,
195         },
196
197         [PERF_TYPE_TRACEPOINT] = {
198                 .user_set = false,
199
200                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
201                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
202                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
203         },
204
205         [PERF_TYPE_HW_CACHE] = {
206                 .user_set = false,
207
208                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
209                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
210                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
211                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
212                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
213
214                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
215         },
216
217         [PERF_TYPE_RAW] = {
218                 .user_set = false,
219
220                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
221                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
222                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
223                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
224                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
225                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
226                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
227
228                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
229         },
230
231         [PERF_TYPE_BREAKPOINT] = {
232                 .user_set = false,
233
234                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
235                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
236                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
237                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
238                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
239
240                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
241         },
242
243         [OUTPUT_TYPE_SYNTH] = {
244                 .user_set = false,
245
246                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
247                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
248                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
249                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
250                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
251
252                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
253         },
254 };
255
256 struct evsel_script {
257        char *filename;
258        FILE *fp;
259        u64  samples;
260        /* For metric output */
261        u64  val;
262        int  gnum;
263 };
264
265 static inline struct evsel_script *evsel_script(struct evsel *evsel)
266 {
267         return (struct evsel_script *)evsel->priv;
268 }
269
270 static struct evsel_script *perf_evsel_script__new(struct evsel *evsel,
271                                                         struct perf_data *data)
272 {
273         struct evsel_script *es = zalloc(sizeof(*es));
274
275         if (es != NULL) {
276                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
277                         goto out_free;
278                 es->fp = fopen(es->filename, "w");
279                 if (es->fp == NULL)
280                         goto out_free_filename;
281         }
282
283         return es;
284 out_free_filename:
285         zfree(&es->filename);
286 out_free:
287         free(es);
288         return NULL;
289 }
290
291 static void perf_evsel_script__delete(struct evsel_script *es)
292 {
293         zfree(&es->filename);
294         fclose(es->fp);
295         es->fp = NULL;
296         free(es);
297 }
298
299 static int perf_evsel_script__fprintf(struct evsel_script *es, FILE *fp)
300 {
301         struct stat st;
302
303         fstat(fileno(es->fp), &st);
304         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
305                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
306 }
307
308 static inline int output_type(unsigned int type)
309 {
310         switch (type) {
311         case PERF_TYPE_SYNTH:
312                 return OUTPUT_TYPE_SYNTH;
313         default:
314                 return type;
315         }
316 }
317
318 static inline unsigned int attr_type(unsigned int type)
319 {
320         switch (type) {
321         case OUTPUT_TYPE_SYNTH:
322                 return PERF_TYPE_SYNTH;
323         default:
324                 return type;
325         }
326 }
327
328 static bool output_set_by_user(void)
329 {
330         int j;
331         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
332                 if (output[j].user_set)
333                         return true;
334         }
335         return false;
336 }
337
338 static const char *output_field2str(enum perf_output_field field)
339 {
340         int i, imax = ARRAY_SIZE(all_output_options);
341         const char *str = "";
342
343         for (i = 0; i < imax; ++i) {
344                 if (all_output_options[i].field == field) {
345                         str = all_output_options[i].str;
346                         break;
347                 }
348         }
349         return str;
350 }
351
352 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
353
354 static int perf_evsel__do_check_stype(struct evsel *evsel,
355                                       u64 sample_type, const char *sample_msg,
356                                       enum perf_output_field field,
357                                       bool allow_user_set)
358 {
359         struct perf_event_attr *attr = &evsel->core.attr;
360         int type = output_type(attr->type);
361         const char *evname;
362
363         if (attr->sample_type & sample_type)
364                 return 0;
365
366         if (output[type].user_set_fields & field) {
367                 if (allow_user_set)
368                         return 0;
369                 evname = perf_evsel__name(evsel);
370                 pr_err("Samples for '%s' event do not have %s attribute set. "
371                        "Cannot print '%s' field.\n",
372                        evname, sample_msg, output_field2str(field));
373                 return -1;
374         }
375
376         /* user did not ask for it explicitly so remove from the default list */
377         output[type].fields &= ~field;
378         evname = perf_evsel__name(evsel);
379         pr_debug("Samples for '%s' event do not have %s attribute set. "
380                  "Skipping '%s' field.\n",
381                  evname, sample_msg, output_field2str(field));
382
383         return 0;
384 }
385
386 static int perf_evsel__check_stype(struct evsel *evsel,
387                                    u64 sample_type, const char *sample_msg,
388                                    enum perf_output_field field)
389 {
390         return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
391                                           false);
392 }
393
394 static int perf_evsel__check_attr(struct evsel *evsel,
395                                   struct perf_session *session)
396 {
397         struct perf_event_attr *attr = &evsel->core.attr;
398         bool allow_user_set;
399
400         if (perf_header__has_feat(&session->header, HEADER_STAT))
401                 return 0;
402
403         allow_user_set = perf_header__has_feat(&session->header,
404                                                HEADER_AUXTRACE);
405
406         if (PRINT_FIELD(TRACE) &&
407                 !perf_session__has_traces(session, "record -R"))
408                 return -EINVAL;
409
410         if (PRINT_FIELD(IP)) {
411                 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
412                                             PERF_OUTPUT_IP))
413                         return -EINVAL;
414         }
415
416         if (PRINT_FIELD(ADDR) &&
417                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
418                                            PERF_OUTPUT_ADDR, allow_user_set))
419                 return -EINVAL;
420
421         if (PRINT_FIELD(DATA_SRC) &&
422                 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
423                                         PERF_OUTPUT_DATA_SRC))
424                 return -EINVAL;
425
426         if (PRINT_FIELD(WEIGHT) &&
427                 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
428                                         PERF_OUTPUT_WEIGHT))
429                 return -EINVAL;
430
431         if (PRINT_FIELD(SYM) &&
432                 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
433                 pr_err("Display of symbols requested but neither sample IP nor "
434                            "sample address\navailable. Hence, no addresses to convert "
435                        "to symbols.\n");
436                 return -EINVAL;
437         }
438         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
439                 pr_err("Display of offsets requested but symbol is not"
440                        "selected.\n");
441                 return -EINVAL;
442         }
443         if (PRINT_FIELD(DSO) &&
444                 !(evsel->core.attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
445                 pr_err("Display of DSO requested but no address to convert.\n");
446                 return -EINVAL;
447         }
448         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
449                 pr_err("Display of source line number requested but sample IP is not\n"
450                        "selected. Hence, no address to lookup the source line number.\n");
451                 return -EINVAL;
452         }
453         if (PRINT_FIELD(BRSTACKINSN) && !allow_user_set &&
454             !(perf_evlist__combined_branch_type(session->evlist) &
455               PERF_SAMPLE_BRANCH_ANY)) {
456                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
457                        "Hint: run 'perf record -b ...'\n");
458                 return -EINVAL;
459         }
460         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
461                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
462                                         PERF_OUTPUT_TID|PERF_OUTPUT_PID))
463                 return -EINVAL;
464
465         if (PRINT_FIELD(TIME) &&
466                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
467                                         PERF_OUTPUT_TIME))
468                 return -EINVAL;
469
470         if (PRINT_FIELD(CPU) &&
471                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
472                                            PERF_OUTPUT_CPU, allow_user_set))
473                 return -EINVAL;
474
475         if (PRINT_FIELD(IREGS) &&
476                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
477                                         PERF_OUTPUT_IREGS))
478                 return -EINVAL;
479
480         if (PRINT_FIELD(UREGS) &&
481                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
482                                         PERF_OUTPUT_UREGS))
483                 return -EINVAL;
484
485         if (PRINT_FIELD(PHYS_ADDR) &&
486                 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
487                                         PERF_OUTPUT_PHYS_ADDR))
488                 return -EINVAL;
489
490         return 0;
491 }
492
493 static void set_print_ip_opts(struct perf_event_attr *attr)
494 {
495         unsigned int type = output_type(attr->type);
496
497         output[type].print_ip_opts = 0;
498         if (PRINT_FIELD(IP))
499                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
500
501         if (PRINT_FIELD(SYM))
502                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
503
504         if (PRINT_FIELD(DSO))
505                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
506
507         if (PRINT_FIELD(SYMOFFSET))
508                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
509
510         if (PRINT_FIELD(SRCLINE))
511                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
512 }
513
514 /*
515  * verify all user requested events exist and the samples
516  * have the expected data
517  */
518 static int perf_session__check_output_opt(struct perf_session *session)
519 {
520         unsigned int j;
521         struct evsel *evsel;
522
523         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
524                 evsel = perf_session__find_first_evtype(session, attr_type(j));
525
526                 /*
527                  * even if fields is set to 0 (ie., show nothing) event must
528                  * exist if user explicitly includes it on the command line
529                  */
530                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
531                     j != OUTPUT_TYPE_SYNTH) {
532                         pr_err("%s events do not exist. "
533                                "Remove corresponding -F option to proceed.\n",
534                                event_type(j));
535                         return -1;
536                 }
537
538                 if (evsel && output[j].fields &&
539                         perf_evsel__check_attr(evsel, session))
540                         return -1;
541
542                 if (evsel == NULL)
543                         continue;
544
545                 set_print_ip_opts(&evsel->core.attr);
546         }
547
548         if (!no_callchain) {
549                 bool use_callchain = false;
550                 bool not_pipe = false;
551
552                 evlist__for_each_entry(session->evlist, evsel) {
553                         not_pipe = true;
554                         if (evsel__has_callchain(evsel)) {
555                                 use_callchain = true;
556                                 break;
557                         }
558                 }
559                 if (not_pipe && !use_callchain)
560                         symbol_conf.use_callchain = false;
561         }
562
563         /*
564          * set default for tracepoints to print symbols only
565          * if callchains are present
566          */
567         if (symbol_conf.use_callchain &&
568             !output[PERF_TYPE_TRACEPOINT].user_set) {
569                 j = PERF_TYPE_TRACEPOINT;
570
571                 evlist__for_each_entry(session->evlist, evsel) {
572                         if (evsel->core.attr.type != j)
573                                 continue;
574
575                         if (evsel__has_callchain(evsel)) {
576                                 output[j].fields |= PERF_OUTPUT_IP;
577                                 output[j].fields |= PERF_OUTPUT_SYM;
578                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
579                                 output[j].fields |= PERF_OUTPUT_DSO;
580                                 set_print_ip_opts(&evsel->core.attr);
581                                 goto out;
582                         }
583                 }
584         }
585
586 out:
587         return 0;
588 }
589
590 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
591                                      FILE *fp
592 )
593 {
594         unsigned i = 0, r;
595         int printed = 0;
596
597         if (!regs || !regs->regs)
598                 return 0;
599
600         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
601
602         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
603                 u64 val = regs->regs[i++];
604                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
605         }
606
607         return printed;
608 }
609
610 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
611                                       struct perf_event_attr *attr, FILE *fp)
612 {
613         return perf_sample__fprintf_regs(&sample->intr_regs,
614                                          attr->sample_regs_intr, fp);
615 }
616
617 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
618                                       struct perf_event_attr *attr, FILE *fp)
619 {
620         return perf_sample__fprintf_regs(&sample->user_regs,
621                                          attr->sample_regs_user, fp);
622 }
623
624 static int perf_sample__fprintf_start(struct perf_sample *sample,
625                                       struct thread *thread,
626                                       struct evsel *evsel,
627                                       u32 type, FILE *fp)
628 {
629         struct perf_event_attr *attr = &evsel->core.attr;
630         unsigned long secs;
631         unsigned long long nsecs;
632         int printed = 0;
633
634         if (PRINT_FIELD(COMM)) {
635                 if (latency_format)
636                         printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
637                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
638                         printed += fprintf(fp, "%s ", thread__comm_str(thread));
639                 else
640                         printed += fprintf(fp, "%16s ", thread__comm_str(thread));
641         }
642
643         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
644                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
645         else if (PRINT_FIELD(PID))
646                 printed += fprintf(fp, "%5d ", sample->pid);
647         else if (PRINT_FIELD(TID))
648                 printed += fprintf(fp, "%5d ", sample->tid);
649
650         if (PRINT_FIELD(CPU)) {
651                 if (latency_format)
652                         printed += fprintf(fp, "%3d ", sample->cpu);
653                 else
654                         printed += fprintf(fp, "[%03d] ", sample->cpu);
655         }
656
657         if (PRINT_FIELD(MISC)) {
658                 int ret = 0;
659
660                 #define has(m) \
661                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
662
663                 if (has(KERNEL))
664                         ret += fprintf(fp, "K");
665                 if (has(USER))
666                         ret += fprintf(fp, "U");
667                 if (has(HYPERVISOR))
668                         ret += fprintf(fp, "H");
669                 if (has(GUEST_KERNEL))
670                         ret += fprintf(fp, "G");
671                 if (has(GUEST_USER))
672                         ret += fprintf(fp, "g");
673
674                 switch (type) {
675                 case PERF_RECORD_MMAP:
676                 case PERF_RECORD_MMAP2:
677                         if (has(MMAP_DATA))
678                                 ret += fprintf(fp, "M");
679                         break;
680                 case PERF_RECORD_COMM:
681                         if (has(COMM_EXEC))
682                                 ret += fprintf(fp, "E");
683                         break;
684                 case PERF_RECORD_SWITCH:
685                 case PERF_RECORD_SWITCH_CPU_WIDE:
686                         if (has(SWITCH_OUT)) {
687                                 ret += fprintf(fp, "S");
688                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
689                                         ret += fprintf(fp, "p");
690                         }
691                 default:
692                         break;
693                 }
694
695                 #undef has
696
697                 ret += fprintf(fp, "%*s", 6 - ret, " ");
698                 printed += ret;
699         }
700
701         if (PRINT_FIELD(TIME)) {
702                 u64 t = sample->time;
703                 if (reltime) {
704                         if (!initial_time)
705                                 initial_time = sample->time;
706                         t = sample->time - initial_time;
707                 } else if (deltatime) {
708                         if (previous_time)
709                                 t = sample->time - previous_time;
710                         else {
711                                 t = 0;
712                         }
713                         previous_time = sample->time;
714                 }
715                 nsecs = t;
716                 secs = nsecs / NSEC_PER_SEC;
717                 nsecs -= secs * NSEC_PER_SEC;
718
719                 if (symbol_conf.nanosecs)
720                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
721                 else {
722                         char sample_time[32];
723                         timestamp__scnprintf_usec(t, sample_time, sizeof(sample_time));
724                         printed += fprintf(fp, "%12s: ", sample_time);
725                 }
726         }
727
728         return printed;
729 }
730
731 static inline char
732 mispred_str(struct branch_entry *br)
733 {
734         if (!(br->flags.mispred  || br->flags.predicted))
735                 return '-';
736
737         return br->flags.predicted ? 'P' : 'M';
738 }
739
740 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
741                                         struct thread *thread,
742                                         struct perf_event_attr *attr, FILE *fp)
743 {
744         struct branch_stack *br = sample->branch_stack;
745         struct branch_entry *entries = perf_sample__branch_entries(sample);
746         struct addr_location alf, alt;
747         u64 i, from, to;
748         int printed = 0;
749
750         if (!(br && br->nr))
751                 return 0;
752
753         for (i = 0; i < br->nr; i++) {
754                 from = entries[i].from;
755                 to   = entries[i].to;
756
757                 if (PRINT_FIELD(DSO)) {
758                         memset(&alf, 0, sizeof(alf));
759                         memset(&alt, 0, sizeof(alt));
760                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
761                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
762                 }
763
764                 printed += fprintf(fp, " 0x%"PRIx64, from);
765                 if (PRINT_FIELD(DSO)) {
766                         printed += fprintf(fp, "(");
767                         printed += map__fprintf_dsoname(alf.map, fp);
768                         printed += fprintf(fp, ")");
769                 }
770
771                 printed += fprintf(fp, "/0x%"PRIx64, to);
772                 if (PRINT_FIELD(DSO)) {
773                         printed += fprintf(fp, "(");
774                         printed += map__fprintf_dsoname(alt.map, fp);
775                         printed += fprintf(fp, ")");
776                 }
777
778                 printed += fprintf(fp, "/%c/%c/%c/%d ",
779                         mispred_str(entries + i),
780                         entries[i].flags.in_tx ? 'X' : '-',
781                         entries[i].flags.abort ? 'A' : '-',
782                         entries[i].flags.cycles);
783         }
784
785         return printed;
786 }
787
788 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
789                                            struct thread *thread,
790                                            struct perf_event_attr *attr, FILE *fp)
791 {
792         struct branch_stack *br = sample->branch_stack;
793         struct branch_entry *entries = perf_sample__branch_entries(sample);
794         struct addr_location alf, alt;
795         u64 i, from, to;
796         int printed = 0;
797
798         if (!(br && br->nr))
799                 return 0;
800
801         for (i = 0; i < br->nr; i++) {
802
803                 memset(&alf, 0, sizeof(alf));
804                 memset(&alt, 0, sizeof(alt));
805                 from = entries[i].from;
806                 to   = entries[i].to;
807
808                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
809                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
810
811                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
812                 if (PRINT_FIELD(DSO)) {
813                         printed += fprintf(fp, "(");
814                         printed += map__fprintf_dsoname(alf.map, fp);
815                         printed += fprintf(fp, ")");
816                 }
817                 printed += fprintf(fp, "%c", '/');
818                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
819                 if (PRINT_FIELD(DSO)) {
820                         printed += fprintf(fp, "(");
821                         printed += map__fprintf_dsoname(alt.map, fp);
822                         printed += fprintf(fp, ")");
823                 }
824                 printed += fprintf(fp, "/%c/%c/%c/%d ",
825                         mispred_str(entries + i),
826                         entries[i].flags.in_tx ? 'X' : '-',
827                         entries[i].flags.abort ? 'A' : '-',
828                         entries[i].flags.cycles);
829         }
830
831         return printed;
832 }
833
834 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
835                                            struct thread *thread,
836                                            struct perf_event_attr *attr, FILE *fp)
837 {
838         struct branch_stack *br = sample->branch_stack;
839         struct branch_entry *entries = perf_sample__branch_entries(sample);
840         struct addr_location alf, alt;
841         u64 i, from, to;
842         int printed = 0;
843
844         if (!(br && br->nr))
845                 return 0;
846
847         for (i = 0; i < br->nr; i++) {
848
849                 memset(&alf, 0, sizeof(alf));
850                 memset(&alt, 0, sizeof(alt));
851                 from = entries[i].from;
852                 to   = entries[i].to;
853
854                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
855                     !alf.map->dso->adjust_symbols)
856                         from = map__map_ip(alf.map, from);
857
858                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
859                     !alt.map->dso->adjust_symbols)
860                         to = map__map_ip(alt.map, to);
861
862                 printed += fprintf(fp, " 0x%"PRIx64, from);
863                 if (PRINT_FIELD(DSO)) {
864                         printed += fprintf(fp, "(");
865                         printed += map__fprintf_dsoname(alf.map, fp);
866                         printed += fprintf(fp, ")");
867                 }
868                 printed += fprintf(fp, "/0x%"PRIx64, to);
869                 if (PRINT_FIELD(DSO)) {
870                         printed += fprintf(fp, "(");
871                         printed += map__fprintf_dsoname(alt.map, fp);
872                         printed += fprintf(fp, ")");
873                 }
874                 printed += fprintf(fp, "/%c/%c/%c/%d ",
875                         mispred_str(entries + i),
876                         entries[i].flags.in_tx ? 'X' : '-',
877                         entries[i].flags.abort ? 'A' : '-',
878                         entries[i].flags.cycles);
879         }
880
881         return printed;
882 }
883 #define MAXBB 16384UL
884
885 static int grab_bb(u8 *buffer, u64 start, u64 end,
886                     struct machine *machine, struct thread *thread,
887                     bool *is64bit, u8 *cpumode, bool last)
888 {
889         long offset, len;
890         struct addr_location al;
891         bool kernel;
892
893         if (!start || !end)
894                 return 0;
895
896         kernel = machine__kernel_ip(machine, start);
897         if (kernel)
898                 *cpumode = PERF_RECORD_MISC_KERNEL;
899         else
900                 *cpumode = PERF_RECORD_MISC_USER;
901
902         /*
903          * Block overlaps between kernel and user.
904          * This can happen due to ring filtering
905          * On Intel CPUs the entry into the kernel is filtered,
906          * but the exit is not. Let the caller patch it up.
907          */
908         if (kernel != machine__kernel_ip(machine, end)) {
909                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
910                 return -ENXIO;
911         }
912
913         memset(&al, 0, sizeof(al));
914         if (end - start > MAXBB - MAXINSN) {
915                 if (last)
916                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
917                 else
918                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
919                 return 0;
920         }
921
922         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
923                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
924                 return 0;
925         }
926         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
927                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
928                 return 0;
929         }
930
931         /* Load maps to ensure dso->is_64_bit has been updated */
932         map__load(al.map);
933
934         offset = al.map->map_ip(al.map, start);
935         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
936                                     end - start + MAXINSN);
937
938         *is64bit = al.map->dso->is_64_bit;
939         if (len <= 0)
940                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
941                         start, end);
942         return len;
943 }
944
945 static int map__fprintf_srccode(struct map *map, u64 addr, FILE *fp, struct srccode_state *state)
946 {
947         char *srcfile;
948         int ret = 0;
949         unsigned line;
950         int len;
951         char *srccode;
952
953         if (!map || !map->dso)
954                 return 0;
955         srcfile = get_srcline_split(map->dso,
956                                     map__rip_2objdump(map, addr),
957                                     &line);
958         if (!srcfile)
959                 return 0;
960
961         /* Avoid redundant printing */
962         if (state &&
963             state->srcfile &&
964             !strcmp(state->srcfile, srcfile) &&
965             state->line == line) {
966                 free(srcfile);
967                 return 0;
968         }
969
970         srccode = find_sourceline(srcfile, line, &len);
971         if (!srccode)
972                 goto out_free_line;
973
974         ret = fprintf(fp, "|%-8d %.*s", line, len, srccode);
975
976         if (state) {
977                 state->srcfile = srcfile;
978                 state->line = line;
979         }
980         return ret;
981
982 out_free_line:
983         free(srcfile);
984         return ret;
985 }
986
987 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
988 {
989         struct addr_location al;
990         int ret = 0;
991
992         memset(&al, 0, sizeof(al));
993         thread__find_map(thread, cpumode, addr, &al);
994         if (!al.map)
995                 return 0;
996         ret = map__fprintf_srccode(al.map, al.addr, stdout,
997                     &thread->srccode_state);
998         if (ret)
999                 ret += printf("\n");
1000         return ret;
1001 }
1002
1003 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
1004                             struct perf_insn *x, u8 *inbuf, int len,
1005                             int insn, FILE *fp, int *total_cycles)
1006 {
1007         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
1008                               dump_insn(x, ip, inbuf, len, NULL),
1009                               en->flags.predicted ? " PRED" : "",
1010                               en->flags.mispred ? " MISPRED" : "",
1011                               en->flags.in_tx ? " INTX" : "",
1012                               en->flags.abort ? " ABORT" : "");
1013         if (en->flags.cycles) {
1014                 *total_cycles += en->flags.cycles;
1015                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
1016                 if (insn)
1017                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
1018         }
1019         return printed + fprintf(fp, "\n");
1020 }
1021
1022 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
1023                            u8 cpumode, int cpu, struct symbol **lastsym,
1024                            struct perf_event_attr *attr, FILE *fp)
1025 {
1026         struct addr_location al;
1027         int off, printed = 0;
1028
1029         memset(&al, 0, sizeof(al));
1030
1031         thread__find_map(thread, cpumode, addr, &al);
1032
1033         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
1034                 return 0;
1035
1036         al.cpu = cpu;
1037         al.sym = NULL;
1038         if (al.map)
1039                 al.sym = map__find_symbol(al.map, al.addr);
1040
1041         if (!al.sym)
1042                 return 0;
1043
1044         if (al.addr < al.sym->end)
1045                 off = al.addr - al.sym->start;
1046         else
1047                 off = al.addr - al.map->start - al.sym->start;
1048         printed += fprintf(fp, "\t%s", al.sym->name);
1049         if (off)
1050                 printed += fprintf(fp, "%+d", off);
1051         printed += fprintf(fp, ":");
1052         if (PRINT_FIELD(SRCLINE))
1053                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
1054         printed += fprintf(fp, "\n");
1055         *lastsym = al.sym;
1056
1057         return printed;
1058 }
1059
1060 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
1061                                             struct thread *thread,
1062                                             struct perf_event_attr *attr,
1063                                             struct machine *machine, FILE *fp)
1064 {
1065         struct branch_stack *br = sample->branch_stack;
1066         struct branch_entry *entries = perf_sample__branch_entries(sample);
1067         u64 start, end;
1068         int i, insn, len, nr, ilen, printed = 0;
1069         struct perf_insn x;
1070         u8 buffer[MAXBB];
1071         unsigned off;
1072         struct symbol *lastsym = NULL;
1073         int total_cycles = 0;
1074
1075         if (!(br && br->nr))
1076                 return 0;
1077         nr = br->nr;
1078         if (max_blocks && nr > max_blocks + 1)
1079                 nr = max_blocks + 1;
1080
1081         x.thread = thread;
1082         x.cpu = sample->cpu;
1083
1084         printed += fprintf(fp, "%c", '\n');
1085
1086         /* Handle first from jump, of which we don't know the entry. */
1087         len = grab_bb(buffer, entries[nr-1].from,
1088                         entries[nr-1].from,
1089                         machine, thread, &x.is64bit, &x.cpumode, false);
1090         if (len > 0) {
1091                 printed += ip__fprintf_sym(entries[nr - 1].from, thread,
1092                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1093                 printed += ip__fprintf_jump(entries[nr - 1].from, &entries[nr - 1],
1094                                             &x, buffer, len, 0, fp, &total_cycles);
1095                 if (PRINT_FIELD(SRCCODE))
1096                         printed += print_srccode(thread, x.cpumode, entries[nr - 1].from);
1097         }
1098
1099         /* Print all blocks */
1100         for (i = nr - 2; i >= 0; i--) {
1101                 if (entries[i].from || entries[i].to)
1102                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1103                                  entries[i].from,
1104                                  entries[i].to);
1105                 start = entries[i + 1].to;
1106                 end   = entries[i].from;
1107
1108                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1109                 /* Patch up missing kernel transfers due to ring filters */
1110                 if (len == -ENXIO && i > 0) {
1111                         end = entries[--i].from;
1112                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1113                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1114                 }
1115                 if (len <= 0)
1116                         continue;
1117
1118                 insn = 0;
1119                 for (off = 0; off < (unsigned)len; off += ilen) {
1120                         uint64_t ip = start + off;
1121
1122                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1123                         if (ip == end) {
1124                                 printed += ip__fprintf_jump(ip, &entries[i], &x, buffer + off, len - off, ++insn, fp,
1125                                                             &total_cycles);
1126                                 if (PRINT_FIELD(SRCCODE))
1127                                         printed += print_srccode(thread, x.cpumode, ip);
1128                                 break;
1129                         } else {
1130                                 ilen = 0;
1131                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1132                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1133                                 if (ilen == 0)
1134                                         break;
1135                                 if (PRINT_FIELD(SRCCODE))
1136                                         print_srccode(thread, x.cpumode, ip);
1137                                 insn++;
1138                         }
1139                 }
1140                 if (off != end - start)
1141                         printed += fprintf(fp, "\tmismatch of LBR data and executable\n");
1142         }
1143
1144         /*
1145          * Hit the branch? In this case we are already done, and the target
1146          * has not been executed yet.
1147          */
1148         if (entries[0].from == sample->ip)
1149                 goto out;
1150         if (entries[0].flags.abort)
1151                 goto out;
1152
1153         /*
1154          * Print final block upto sample
1155          *
1156          * Due to pipeline delays the LBRs might be missing a branch
1157          * or two, which can result in very large or negative blocks
1158          * between final branch and sample. When this happens just
1159          * continue walking after the last TO until we hit a branch.
1160          */
1161         start = entries[0].to;
1162         end = sample->ip;
1163         if (end < start) {
1164                 /* Missing jump. Scan 128 bytes for the next branch */
1165                 end = start + 128;
1166         }
1167         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1168         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1169         if (len <= 0) {
1170                 /* Print at least last IP if basic block did not work */
1171                 len = grab_bb(buffer, sample->ip, sample->ip,
1172                               machine, thread, &x.is64bit, &x.cpumode, false);
1173                 if (len <= 0)
1174                         goto out;
1175                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1176                         dump_insn(&x, sample->ip, buffer, len, NULL));
1177                 if (PRINT_FIELD(SRCCODE))
1178                         print_srccode(thread, x.cpumode, sample->ip);
1179                 goto out;
1180         }
1181         for (off = 0; off <= end - start; off += ilen) {
1182                 ilen = 0;
1183                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1184                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1185                 if (ilen == 0)
1186                         break;
1187                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1188                         /*
1189                          * Hit a missing branch. Just stop.
1190                          */
1191                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1192                         break;
1193                 }
1194                 if (PRINT_FIELD(SRCCODE))
1195                         print_srccode(thread, x.cpumode, start + off);
1196         }
1197 out:
1198         return printed;
1199 }
1200
1201 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1202                                      struct thread *thread,
1203                                      struct perf_event_attr *attr, FILE *fp)
1204 {
1205         struct addr_location al;
1206         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1207
1208         if (!sample_addr_correlates_sym(attr))
1209                 goto out;
1210
1211         thread__resolve(thread, &al, sample);
1212
1213         if (PRINT_FIELD(SYM)) {
1214                 printed += fprintf(fp, " ");
1215                 if (PRINT_FIELD(SYMOFFSET))
1216                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1217                 else
1218                         printed += symbol__fprintf_symname(al.sym, fp);
1219         }
1220
1221         if (PRINT_FIELD(DSO)) {
1222                 printed += fprintf(fp, " (");
1223                 printed += map__fprintf_dsoname(al.map, fp);
1224                 printed += fprintf(fp, ")");
1225         }
1226 out:
1227         return printed;
1228 }
1229
1230 static const char *resolve_branch_sym(struct perf_sample *sample,
1231                                       struct evsel *evsel,
1232                                       struct thread *thread,
1233                                       struct addr_location *al,
1234                                       u64 *ip)
1235 {
1236         struct addr_location addr_al;
1237         struct perf_event_attr *attr = &evsel->core.attr;
1238         const char *name = NULL;
1239
1240         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1241                 if (sample_addr_correlates_sym(attr)) {
1242                         thread__resolve(thread, &addr_al, sample);
1243                         if (addr_al.sym)
1244                                 name = addr_al.sym->name;
1245                         else
1246                                 *ip = sample->addr;
1247                 } else {
1248                         *ip = sample->addr;
1249                 }
1250         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1251                 if (al->sym)
1252                         name = al->sym->name;
1253                 else
1254                         *ip = sample->ip;
1255         }
1256         return name;
1257 }
1258
1259 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1260                                            struct evsel *evsel,
1261                                            struct thread *thread,
1262                                            struct addr_location *al, FILE *fp)
1263 {
1264         struct perf_event_attr *attr = &evsel->core.attr;
1265         size_t depth = thread_stack__depth(thread, sample->cpu);
1266         const char *name = NULL;
1267         static int spacing;
1268         int len = 0;
1269         int dlen = 0;
1270         u64 ip = 0;
1271
1272         /*
1273          * The 'return' has already been popped off the stack so the depth has
1274          * to be adjusted to match the 'call'.
1275          */
1276         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1277                 depth += 1;
1278
1279         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1280
1281         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1282                 dlen += fprintf(fp, "(");
1283                 dlen += map__fprintf_dsoname(al->map, fp);
1284                 dlen += fprintf(fp, ")\t");
1285         }
1286
1287         if (name)
1288                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1289         else if (ip)
1290                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1291
1292         if (len < 0)
1293                 return len;
1294
1295         /*
1296          * Try to keep the output length from changing frequently so that the
1297          * output lines up more nicely.
1298          */
1299         if (len > spacing || (len && len < spacing - 52))
1300                 spacing = round_up(len + 4, 32);
1301
1302         if (len < spacing)
1303                 len += fprintf(fp, "%*s", spacing - len, "");
1304
1305         return len + dlen;
1306 }
1307
1308 __weak void arch_fetch_insn(struct perf_sample *sample __maybe_unused,
1309                             struct thread *thread __maybe_unused,
1310                             struct machine *machine __maybe_unused)
1311 {
1312 }
1313
1314 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1315                                      struct perf_event_attr *attr,
1316                                      struct thread *thread,
1317                                      struct machine *machine, FILE *fp)
1318 {
1319         int printed = 0;
1320
1321         if (sample->insn_len == 0 && native_arch)
1322                 arch_fetch_insn(sample, thread, machine);
1323
1324         if (PRINT_FIELD(INSNLEN))
1325                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1326         if (PRINT_FIELD(INSN) && sample->insn_len) {
1327                 int i;
1328
1329                 printed += fprintf(fp, " insn:");
1330                 for (i = 0; i < sample->insn_len; i++)
1331                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1332         }
1333         if (PRINT_FIELD(BRSTACKINSN))
1334                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1335
1336         return printed;
1337 }
1338
1339 static int perf_sample__fprintf_ipc(struct perf_sample *sample,
1340                                     struct perf_event_attr *attr, FILE *fp)
1341 {
1342         unsigned int ipc;
1343
1344         if (!PRINT_FIELD(IPC) || !sample->cyc_cnt || !sample->insn_cnt)
1345                 return 0;
1346
1347         ipc = (sample->insn_cnt * 100) / sample->cyc_cnt;
1348
1349         return fprintf(fp, " \t IPC: %u.%02u (%" PRIu64 "/%" PRIu64 ") ",
1350                        ipc / 100, ipc % 100, sample->insn_cnt, sample->cyc_cnt);
1351 }
1352
1353 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1354                                     struct evsel *evsel,
1355                                     struct thread *thread,
1356                                     struct addr_location *al,
1357                                     struct machine *machine, FILE *fp)
1358 {
1359         struct perf_event_attr *attr = &evsel->core.attr;
1360         unsigned int type = output_type(attr->type);
1361         bool print_srcline_last = false;
1362         int printed = 0;
1363
1364         if (PRINT_FIELD(CALLINDENT))
1365                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1366
1367         /* print branch_from information */
1368         if (PRINT_FIELD(IP)) {
1369                 unsigned int print_opts = output[type].print_ip_opts;
1370                 struct callchain_cursor *cursor = NULL;
1371
1372                 if (symbol_conf.use_callchain && sample->callchain &&
1373                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1374                                               sample, NULL, NULL, scripting_max_stack) == 0)
1375                         cursor = &callchain_cursor;
1376
1377                 if (cursor == NULL) {
1378                         printed += fprintf(fp, " ");
1379                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1380                                 print_srcline_last = true;
1381                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1382                         }
1383                 } else
1384                         printed += fprintf(fp, "\n");
1385
1386                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor,
1387                                                symbol_conf.bt_stop_list, fp);
1388         }
1389
1390         /* print branch_to information */
1391         if (PRINT_FIELD(ADDR) ||
1392             ((evsel->core.attr.sample_type & PERF_SAMPLE_ADDR) &&
1393              !output[type].user_set)) {
1394                 printed += fprintf(fp, " => ");
1395                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1396         }
1397
1398         printed += perf_sample__fprintf_ipc(sample, attr, fp);
1399
1400         if (print_srcline_last)
1401                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1402
1403         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1404         printed += fprintf(fp, "\n");
1405         if (PRINT_FIELD(SRCCODE)) {
1406                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1407                                          &thread->srccode_state);
1408                 if (ret) {
1409                         printed += ret;
1410                         printed += printf("\n");
1411                 }
1412         }
1413         return printed;
1414 }
1415
1416 static struct {
1417         u32 flags;
1418         const char *name;
1419 } sample_flags[] = {
1420         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1421         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1422         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1423         {PERF_IP_FLAG_BRANCH, "jmp"},
1424         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1425         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1426         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1427         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1428         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1429         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1430         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1431         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1432         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1433         {0, NULL}
1434 };
1435
1436 static const char *sample_flags_to_name(u32 flags)
1437 {
1438         int i;
1439
1440         for (i = 0; sample_flags[i].name ; i++) {
1441                 if (sample_flags[i].flags == flags)
1442                         return sample_flags[i].name;
1443         }
1444
1445         return NULL;
1446 }
1447
1448 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1449 {
1450         const char *chars = PERF_IP_FLAG_CHARS;
1451         const int n = strlen(PERF_IP_FLAG_CHARS);
1452         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1453         const char *name = NULL;
1454         char str[33];
1455         int i, pos = 0;
1456
1457         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1458         if (name)
1459                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1460
1461         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1462                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1463                 if (name)
1464                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1465         }
1466
1467         if (flags & PERF_IP_FLAG_TRACE_END) {
1468                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1469                 if (name)
1470                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1471         }
1472
1473         for (i = 0; i < n; i++, flags >>= 1) {
1474                 if (flags & 1)
1475                         str[pos++] = chars[i];
1476         }
1477         for (; i < 32; i++, flags >>= 1) {
1478                 if (flags & 1)
1479                         str[pos++] = '?';
1480         }
1481         str[pos] = 0;
1482
1483         return fprintf(fp, "  %-19s ", str);
1484 }
1485
1486 struct printer_data {
1487         int line_no;
1488         bool hit_nul;
1489         bool is_printable;
1490 };
1491
1492 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1493                                       unsigned int val,
1494                                       void *extra, FILE *fp)
1495 {
1496         unsigned char ch = (unsigned char)val;
1497         struct printer_data *printer_data = extra;
1498         int printed = 0;
1499
1500         switch (op) {
1501         case BINARY_PRINT_DATA_BEGIN:
1502                 printed += fprintf(fp, "\n");
1503                 break;
1504         case BINARY_PRINT_LINE_BEGIN:
1505                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1506                                                         "           ");
1507                 break;
1508         case BINARY_PRINT_ADDR:
1509                 printed += fprintf(fp, " %04x:", val);
1510                 break;
1511         case BINARY_PRINT_NUM_DATA:
1512                 printed += fprintf(fp, " %02x", val);
1513                 break;
1514         case BINARY_PRINT_NUM_PAD:
1515                 printed += fprintf(fp, "   ");
1516                 break;
1517         case BINARY_PRINT_SEP:
1518                 printed += fprintf(fp, "  ");
1519                 break;
1520         case BINARY_PRINT_CHAR_DATA:
1521                 if (printer_data->hit_nul && ch)
1522                         printer_data->is_printable = false;
1523
1524                 if (!isprint(ch)) {
1525                         printed += fprintf(fp, "%c", '.');
1526
1527                         if (!printer_data->is_printable)
1528                                 break;
1529
1530                         if (ch == '\0')
1531                                 printer_data->hit_nul = true;
1532                         else
1533                                 printer_data->is_printable = false;
1534                 } else {
1535                         printed += fprintf(fp, "%c", ch);
1536                 }
1537                 break;
1538         case BINARY_PRINT_CHAR_PAD:
1539                 printed += fprintf(fp, " ");
1540                 break;
1541         case BINARY_PRINT_LINE_END:
1542                 printed += fprintf(fp, "\n");
1543                 printer_data->line_no++;
1544                 break;
1545         case BINARY_PRINT_DATA_END:
1546         default:
1547                 break;
1548         }
1549
1550         return printed;
1551 }
1552
1553 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1554 {
1555         unsigned int nr_bytes = sample->raw_size;
1556         struct printer_data printer_data = {0, false, true};
1557         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1558                                       sample__fprintf_bpf_output, &printer_data, fp);
1559
1560         if (printer_data.is_printable && printer_data.hit_nul)
1561                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1562
1563         return printed;
1564 }
1565
1566 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1567 {
1568         if (len > 0 && len < spacing)
1569                 return fprintf(fp, "%*s", spacing - len, "");
1570
1571         return 0;
1572 }
1573
1574 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1575 {
1576         return perf_sample__fprintf_spacing(len, 34, fp);
1577 }
1578
1579 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1580 {
1581         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1582         int len;
1583
1584         if (perf_sample__bad_synth_size(sample, *data))
1585                 return 0;
1586
1587         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1588                      data->ip, le64_to_cpu(data->payload));
1589         return len + perf_sample__fprintf_pt_spacing(len, fp);
1590 }
1591
1592 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1593 {
1594         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1595         int len;
1596
1597         if (perf_sample__bad_synth_size(sample, *data))
1598                 return 0;
1599
1600         len = fprintf(fp, " hints: %#x extensions: %#x ",
1601                       data->hints, data->extensions);
1602         return len + perf_sample__fprintf_pt_spacing(len, fp);
1603 }
1604
1605 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1606 {
1607         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1608         int len;
1609
1610         if (perf_sample__bad_synth_size(sample, *data))
1611                 return 0;
1612
1613         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1614                       data->hw, data->cstate, data->subcstate);
1615         return len + perf_sample__fprintf_pt_spacing(len, fp);
1616 }
1617
1618 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1619 {
1620         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1621         int len;
1622
1623         if (perf_sample__bad_synth_size(sample, *data))
1624                 return 0;
1625
1626         len = fprintf(fp, " IP: %u ", data->ip);
1627         return len + perf_sample__fprintf_pt_spacing(len, fp);
1628 }
1629
1630 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1631 {
1632         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1633         int len;
1634
1635         if (perf_sample__bad_synth_size(sample, *data))
1636                 return 0;
1637
1638         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1639                      data->deepest_cstate, data->last_cstate,
1640                      data->wake_reason);
1641         return len + perf_sample__fprintf_pt_spacing(len, fp);
1642 }
1643
1644 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1645 {
1646         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1647         unsigned int percent, freq;
1648         int len;
1649
1650         if (perf_sample__bad_synth_size(sample, *data))
1651                 return 0;
1652
1653         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1654         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1655         if (data->max_nonturbo) {
1656                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1657                 len += fprintf(fp, "(%3u%%) ", percent);
1658         }
1659         return len + perf_sample__fprintf_pt_spacing(len, fp);
1660 }
1661
1662 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1663                                       struct evsel *evsel, FILE *fp)
1664 {
1665         switch (evsel->core.attr.config) {
1666         case PERF_SYNTH_INTEL_PTWRITE:
1667                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1668         case PERF_SYNTH_INTEL_MWAIT:
1669                 return perf_sample__fprintf_synth_mwait(sample, fp);
1670         case PERF_SYNTH_INTEL_PWRE:
1671                 return perf_sample__fprintf_synth_pwre(sample, fp);
1672         case PERF_SYNTH_INTEL_EXSTOP:
1673                 return perf_sample__fprintf_synth_exstop(sample, fp);
1674         case PERF_SYNTH_INTEL_PWRX:
1675                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1676         case PERF_SYNTH_INTEL_CBR:
1677                 return perf_sample__fprintf_synth_cbr(sample, fp);
1678         default:
1679                 break;
1680         }
1681
1682         return 0;
1683 }
1684
1685 struct perf_script {
1686         struct perf_tool        tool;
1687         struct perf_session     *session;
1688         bool                    show_task_events;
1689         bool                    show_mmap_events;
1690         bool                    show_switch_events;
1691         bool                    show_namespace_events;
1692         bool                    show_lost_events;
1693         bool                    show_round_events;
1694         bool                    show_bpf_events;
1695         bool                    show_cgroup_events;
1696         bool                    allocated;
1697         bool                    per_event_dump;
1698         bool                    stitch_lbr;
1699         struct evswitch         evswitch;
1700         struct perf_cpu_map     *cpus;
1701         struct perf_thread_map *threads;
1702         int                     name_width;
1703         const char              *time_str;
1704         struct perf_time_interval *ptime_range;
1705         int                     range_size;
1706         int                     range_num;
1707 };
1708
1709 static int perf_evlist__max_name_len(struct evlist *evlist)
1710 {
1711         struct evsel *evsel;
1712         int max = 0;
1713
1714         evlist__for_each_entry(evlist, evsel) {
1715                 int len = strlen(perf_evsel__name(evsel));
1716
1717                 max = MAX(len, max);
1718         }
1719
1720         return max;
1721 }
1722
1723 static int data_src__fprintf(u64 data_src, FILE *fp)
1724 {
1725         struct mem_info mi = { .data_src.val = data_src };
1726         char decode[100];
1727         char out[100];
1728         static int maxlen;
1729         int len;
1730
1731         perf_script__meminfo_scnprintf(decode, 100, &mi);
1732
1733         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1734         if (maxlen < len)
1735                 maxlen = len;
1736
1737         return fprintf(fp, "%-*s", maxlen, out);
1738 }
1739
1740 struct metric_ctx {
1741         struct perf_sample      *sample;
1742         struct thread           *thread;
1743         struct evsel    *evsel;
1744         FILE                    *fp;
1745 };
1746
1747 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1748                                 void *ctx, const char *color,
1749                                 const char *fmt,
1750                                 const char *unit, double val)
1751 {
1752         struct metric_ctx *mctx = ctx;
1753
1754         if (!fmt)
1755                 return;
1756         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1757                                    PERF_RECORD_SAMPLE, mctx->fp);
1758         fputs("\tmetric: ", mctx->fp);
1759         if (color)
1760                 color_fprintf(mctx->fp, color, fmt, val);
1761         else
1762                 printf(fmt, val);
1763         fprintf(mctx->fp, " %s\n", unit);
1764 }
1765
1766 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1767                             void *ctx)
1768 {
1769         struct metric_ctx *mctx = ctx;
1770
1771         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1772                                    PERF_RECORD_SAMPLE, mctx->fp);
1773         fputs("\tmetric: ", mctx->fp);
1774 }
1775
1776 static void perf_sample__fprint_metric(struct perf_script *script,
1777                                        struct thread *thread,
1778                                        struct evsel *evsel,
1779                                        struct perf_sample *sample,
1780                                        FILE *fp)
1781 {
1782         struct perf_stat_output_ctx ctx = {
1783                 .print_metric = script_print_metric,
1784                 .new_line = script_new_line,
1785                 .ctx = &(struct metric_ctx) {
1786                                 .sample = sample,
1787                                 .thread = thread,
1788                                 .evsel  = evsel,
1789                                 .fp     = fp,
1790                          },
1791                 .force_header = false,
1792         };
1793         struct evsel *ev2;
1794         u64 val;
1795
1796         if (!evsel->stats)
1797                 perf_evlist__alloc_stats(script->session->evlist, false);
1798         if (evsel_script(evsel->leader)->gnum++ == 0)
1799                 perf_stat__reset_shadow_stats();
1800         val = sample->period * evsel->scale;
1801         perf_stat__update_shadow_stats(evsel,
1802                                        val,
1803                                        sample->cpu,
1804                                        &rt_stat);
1805         evsel_script(evsel)->val = val;
1806         if (evsel_script(evsel->leader)->gnum == evsel->leader->core.nr_members) {
1807                 for_each_group_member (ev2, evsel->leader) {
1808                         perf_stat__print_shadow_stats(&stat_config, ev2,
1809                                                       evsel_script(ev2)->val,
1810                                                       sample->cpu,
1811                                                       &ctx,
1812                                                       NULL,
1813                                                       &rt_stat);
1814                 }
1815                 evsel_script(evsel->leader)->gnum = 0;
1816         }
1817 }
1818
1819 static bool show_event(struct perf_sample *sample,
1820                        struct evsel *evsel,
1821                        struct thread *thread,
1822                        struct addr_location *al)
1823 {
1824         int depth = thread_stack__depth(thread, sample->cpu);
1825
1826         if (!symbol_conf.graph_function)
1827                 return true;
1828
1829         if (thread->filter) {
1830                 if (depth <= thread->filter_entry_depth) {
1831                         thread->filter = false;
1832                         return false;
1833                 }
1834                 return true;
1835         } else {
1836                 const char *s = symbol_conf.graph_function;
1837                 u64 ip;
1838                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1839                                 &ip);
1840                 unsigned nlen;
1841
1842                 if (!name)
1843                         return false;
1844                 nlen = strlen(name);
1845                 while (*s) {
1846                         unsigned len = strcspn(s, ",");
1847                         if (nlen == len && !strncmp(name, s, len)) {
1848                                 thread->filter = true;
1849                                 thread->filter_entry_depth = depth;
1850                                 return true;
1851                         }
1852                         s += len;
1853                         if (*s == ',')
1854                                 s++;
1855                 }
1856                 return false;
1857         }
1858 }
1859
1860 static void process_event(struct perf_script *script,
1861                           struct perf_sample *sample, struct evsel *evsel,
1862                           struct addr_location *al,
1863                           struct machine *machine)
1864 {
1865         struct thread *thread = al->thread;
1866         struct perf_event_attr *attr = &evsel->core.attr;
1867         unsigned int type = output_type(attr->type);
1868         struct evsel_script *es = evsel->priv;
1869         FILE *fp = es->fp;
1870
1871         if (output[type].fields == 0)
1872                 return;
1873
1874         if (!show_event(sample, evsel, thread, al))
1875                 return;
1876
1877         if (evswitch__discard(&script->evswitch, evsel))
1878                 return;
1879
1880         ++es->samples;
1881
1882         perf_sample__fprintf_start(sample, thread, evsel,
1883                                    PERF_RECORD_SAMPLE, fp);
1884
1885         if (PRINT_FIELD(PERIOD))
1886                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1887
1888         if (PRINT_FIELD(EVNAME)) {
1889                 const char *evname = perf_evsel__name(evsel);
1890
1891                 if (!script->name_width)
1892                         script->name_width = perf_evlist__max_name_len(script->session->evlist);
1893
1894                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1895         }
1896
1897         if (print_flags)
1898                 perf_sample__fprintf_flags(sample->flags, fp);
1899
1900         if (is_bts_event(attr)) {
1901                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1902                 return;
1903         }
1904
1905         if (PRINT_FIELD(TRACE) && sample->raw_data) {
1906                 event_format__fprintf(evsel->tp_format, sample->cpu,
1907                                       sample->raw_data, sample->raw_size, fp);
1908         }
1909
1910         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1911                 perf_sample__fprintf_synth(sample, evsel, fp);
1912
1913         if (PRINT_FIELD(ADDR))
1914                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1915
1916         if (PRINT_FIELD(DATA_SRC))
1917                 data_src__fprintf(sample->data_src, fp);
1918
1919         if (PRINT_FIELD(WEIGHT))
1920                 fprintf(fp, "%16" PRIu64, sample->weight);
1921
1922         if (PRINT_FIELD(IP)) {
1923                 struct callchain_cursor *cursor = NULL;
1924
1925                 if (script->stitch_lbr)
1926                         al->thread->lbr_stitch_enable = true;
1927
1928                 if (symbol_conf.use_callchain && sample->callchain &&
1929                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1930                                               sample, NULL, NULL, scripting_max_stack) == 0)
1931                         cursor = &callchain_cursor;
1932
1933                 fputc(cursor ? '\n' : ' ', fp);
1934                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor,
1935                                     symbol_conf.bt_stop_list, fp);
1936         }
1937
1938         if (PRINT_FIELD(IREGS))
1939                 perf_sample__fprintf_iregs(sample, attr, fp);
1940
1941         if (PRINT_FIELD(UREGS))
1942                 perf_sample__fprintf_uregs(sample, attr, fp);
1943
1944         if (PRINT_FIELD(BRSTACK))
1945                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1946         else if (PRINT_FIELD(BRSTACKSYM))
1947                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1948         else if (PRINT_FIELD(BRSTACKOFF))
1949                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1950
1951         if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1952                 perf_sample__fprintf_bpf_output(sample, fp);
1953         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1954
1955         if (PRINT_FIELD(PHYS_ADDR))
1956                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1957
1958         perf_sample__fprintf_ipc(sample, attr, fp);
1959
1960         fprintf(fp, "\n");
1961
1962         if (PRINT_FIELD(SRCCODE)) {
1963                 if (map__fprintf_srccode(al->map, al->addr, stdout,
1964                                          &thread->srccode_state))
1965                         printf("\n");
1966         }
1967
1968         if (PRINT_FIELD(METRIC))
1969                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1970
1971         if (verbose)
1972                 fflush(fp);
1973 }
1974
1975 static struct scripting_ops     *scripting_ops;
1976
1977 static void __process_stat(struct evsel *counter, u64 tstamp)
1978 {
1979         int nthreads = perf_thread_map__nr(counter->core.threads);
1980         int ncpus = evsel__nr_cpus(counter);
1981         int cpu, thread;
1982         static int header_printed;
1983
1984         if (counter->core.system_wide)
1985                 nthreads = 1;
1986
1987         if (!header_printed) {
1988                 printf("%3s %8s %15s %15s %15s %15s %s\n",
1989                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1990                 header_printed = 1;
1991         }
1992
1993         for (thread = 0; thread < nthreads; thread++) {
1994                 for (cpu = 0; cpu < ncpus; cpu++) {
1995                         struct perf_counts_values *counts;
1996
1997                         counts = perf_counts(counter->counts, cpu, thread);
1998
1999                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
2000                                 counter->core.cpus->map[cpu],
2001                                 perf_thread_map__pid(counter->core.threads, thread),
2002                                 counts->val,
2003                                 counts->ena,
2004                                 counts->run,
2005                                 tstamp,
2006                                 perf_evsel__name(counter));
2007                 }
2008         }
2009 }
2010
2011 static void process_stat(struct evsel *counter, u64 tstamp)
2012 {
2013         if (scripting_ops && scripting_ops->process_stat)
2014                 scripting_ops->process_stat(&stat_config, counter, tstamp);
2015         else
2016                 __process_stat(counter, tstamp);
2017 }
2018
2019 static void process_stat_interval(u64 tstamp)
2020 {
2021         if (scripting_ops && scripting_ops->process_stat_interval)
2022                 scripting_ops->process_stat_interval(tstamp);
2023 }
2024
2025 static void setup_scripting(void)
2026 {
2027         setup_perl_scripting();
2028         setup_python_scripting();
2029 }
2030
2031 static int flush_scripting(void)
2032 {
2033         return scripting_ops ? scripting_ops->flush_script() : 0;
2034 }
2035
2036 static int cleanup_scripting(void)
2037 {
2038         pr_debug("\nperf script stopped\n");
2039
2040         return scripting_ops ? scripting_ops->stop_script() : 0;
2041 }
2042
2043 static bool filter_cpu(struct perf_sample *sample)
2044 {
2045         if (cpu_list && sample->cpu != (u32)-1)
2046                 return !test_bit(sample->cpu, cpu_bitmap);
2047         return false;
2048 }
2049
2050 static int process_sample_event(struct perf_tool *tool,
2051                                 union perf_event *event,
2052                                 struct perf_sample *sample,
2053                                 struct evsel *evsel,
2054                                 struct machine *machine)
2055 {
2056         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2057         struct addr_location al;
2058
2059         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
2060                                           sample->time)) {
2061                 return 0;
2062         }
2063
2064         if (debug_mode) {
2065                 if (sample->time < last_timestamp) {
2066                         pr_err("Samples misordered, previous: %" PRIu64
2067                                 " this: %" PRIu64 "\n", last_timestamp,
2068                                 sample->time);
2069                         nr_unordered++;
2070                 }
2071                 last_timestamp = sample->time;
2072                 return 0;
2073         }
2074
2075         if (machine__resolve(machine, &al, sample) < 0) {
2076                 pr_err("problem processing %d event, skipping it.\n",
2077                        event->header.type);
2078                 return -1;
2079         }
2080
2081         if (al.filtered)
2082                 goto out_put;
2083
2084         if (filter_cpu(sample))
2085                 goto out_put;
2086
2087         if (scripting_ops)
2088                 scripting_ops->process_event(event, sample, evsel, &al);
2089         else
2090                 process_event(scr, sample, evsel, &al, machine);
2091
2092 out_put:
2093         addr_location__put(&al);
2094         return 0;
2095 }
2096
2097 static int process_attr(struct perf_tool *tool, union perf_event *event,
2098                         struct evlist **pevlist)
2099 {
2100         struct perf_script *scr = container_of(tool, struct perf_script, tool);
2101         struct evlist *evlist;
2102         struct evsel *evsel, *pos;
2103         int err;
2104         static struct evsel_script *es;
2105
2106         err = perf_event__process_attr(tool, event, pevlist);
2107         if (err)
2108                 return err;
2109
2110         evlist = *pevlist;
2111         evsel = evlist__last(*pevlist);
2112
2113         if (!evsel->priv) {
2114                 if (scr->per_event_dump) {
2115                         evsel->priv = perf_evsel_script__new(evsel,
2116                                                 scr->session->data);
2117                 } else {
2118                         es = zalloc(sizeof(*es));
2119                         if (!es)
2120                                 return -ENOMEM;
2121                         es->fp = stdout;
2122                         evsel->priv = es;
2123                 }
2124         }
2125
2126         if (evsel->core.attr.type >= PERF_TYPE_MAX &&
2127             evsel->core.attr.type != PERF_TYPE_SYNTH)
2128                 return 0;
2129
2130         evlist__for_each_entry(evlist, pos) {
2131                 if (pos->core.attr.type == evsel->core.attr.type && pos != evsel)
2132                         return 0;
2133         }
2134
2135         set_print_ip_opts(&evsel->core.attr);
2136
2137         if (evsel->core.attr.sample_type)
2138                 err = perf_evsel__check_attr(evsel, scr->session);
2139
2140         return err;
2141 }
2142
2143 static int print_event_with_time(struct perf_tool *tool,
2144                                  union perf_event *event,
2145                                  struct perf_sample *sample,
2146                                  struct machine *machine,
2147                                  pid_t pid, pid_t tid, u64 timestamp)
2148 {
2149         struct perf_script *script = container_of(tool, struct perf_script, tool);
2150         struct perf_session *session = script->session;
2151         struct evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2152         struct thread *thread = NULL;
2153
2154         if (evsel && !evsel->core.attr.sample_id_all) {
2155                 sample->cpu = 0;
2156                 sample->time = timestamp;
2157                 sample->pid = pid;
2158                 sample->tid = tid;
2159         }
2160
2161         if (filter_cpu(sample))
2162                 return 0;
2163
2164         if (tid != -1)
2165                 thread = machine__findnew_thread(machine, pid, tid);
2166
2167         if (thread && evsel) {
2168                 perf_sample__fprintf_start(sample, thread, evsel,
2169                                            event->header.type, stdout);
2170         }
2171
2172         perf_event__fprintf(event, stdout);
2173
2174         thread__put(thread);
2175
2176         return 0;
2177 }
2178
2179 static int print_event(struct perf_tool *tool, union perf_event *event,
2180                        struct perf_sample *sample, struct machine *machine,
2181                        pid_t pid, pid_t tid)
2182 {
2183         return print_event_with_time(tool, event, sample, machine, pid, tid, 0);
2184 }
2185
2186 static int process_comm_event(struct perf_tool *tool,
2187                               union perf_event *event,
2188                               struct perf_sample *sample,
2189                               struct machine *machine)
2190 {
2191         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2192                 return -1;
2193
2194         return print_event(tool, event, sample, machine, event->comm.pid,
2195                            event->comm.tid);
2196 }
2197
2198 static int process_namespaces_event(struct perf_tool *tool,
2199                                     union perf_event *event,
2200                                     struct perf_sample *sample,
2201                                     struct machine *machine)
2202 {
2203         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2204                 return -1;
2205
2206         return print_event(tool, event, sample, machine, event->namespaces.pid,
2207                            event->namespaces.tid);
2208 }
2209
2210 static int process_cgroup_event(struct perf_tool *tool,
2211                                 union perf_event *event,
2212                                 struct perf_sample *sample,
2213                                 struct machine *machine)
2214 {
2215         if (perf_event__process_cgroup(tool, event, sample, machine) < 0)
2216                 return -1;
2217
2218         return print_event(tool, event, sample, machine, sample->pid,
2219                             sample->tid);
2220 }
2221
2222 static int process_fork_event(struct perf_tool *tool,
2223                               union perf_event *event,
2224                               struct perf_sample *sample,
2225                               struct machine *machine)
2226 {
2227         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2228                 return -1;
2229
2230         return print_event_with_time(tool, event, sample, machine,
2231                                      event->fork.pid, event->fork.tid,
2232                                      event->fork.time);
2233 }
2234 static int process_exit_event(struct perf_tool *tool,
2235                               union perf_event *event,
2236                               struct perf_sample *sample,
2237                               struct machine *machine)
2238 {
2239         /* Print before 'exit' deletes anything */
2240         if (print_event_with_time(tool, event, sample, machine, event->fork.pid,
2241                                   event->fork.tid, event->fork.time))
2242                 return -1;
2243
2244         return perf_event__process_exit(tool, event, sample, machine);
2245 }
2246
2247 static int process_mmap_event(struct perf_tool *tool,
2248                               union perf_event *event,
2249                               struct perf_sample *sample,
2250                               struct machine *machine)
2251 {
2252         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2253                 return -1;
2254
2255         return print_event(tool, event, sample, machine, event->mmap.pid,
2256                            event->mmap.tid);
2257 }
2258
2259 static int process_mmap2_event(struct perf_tool *tool,
2260                               union perf_event *event,
2261                               struct perf_sample *sample,
2262                               struct machine *machine)
2263 {
2264         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2265                 return -1;
2266
2267         return print_event(tool, event, sample, machine, event->mmap2.pid,
2268                            event->mmap2.tid);
2269 }
2270
2271 static int process_switch_event(struct perf_tool *tool,
2272                                 union perf_event *event,
2273                                 struct perf_sample *sample,
2274                                 struct machine *machine)
2275 {
2276         struct perf_script *script = container_of(tool, struct perf_script, tool);
2277
2278         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2279                 return -1;
2280
2281         if (scripting_ops && scripting_ops->process_switch)
2282                 scripting_ops->process_switch(event, sample, machine);
2283
2284         if (!script->show_switch_events)
2285                 return 0;
2286
2287         return print_event(tool, event, sample, machine, sample->pid,
2288                            sample->tid);
2289 }
2290
2291 static int
2292 process_lost_event(struct perf_tool *tool,
2293                    union perf_event *event,
2294                    struct perf_sample *sample,
2295                    struct machine *machine)
2296 {
2297         return print_event(tool, event, sample, machine, sample->pid,
2298                            sample->tid);
2299 }
2300
2301 static int
2302 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2303                              union perf_event *event,
2304                              struct ordered_events *oe __maybe_unused)
2305
2306 {
2307         perf_event__fprintf(event, stdout);
2308         return 0;
2309 }
2310
2311 static int
2312 process_bpf_events(struct perf_tool *tool __maybe_unused,
2313                    union perf_event *event,
2314                    struct perf_sample *sample,
2315                    struct machine *machine)
2316 {
2317         if (machine__process_ksymbol(machine, event, sample) < 0)
2318                 return -1;
2319
2320         return print_event(tool, event, sample, machine, sample->pid,
2321                            sample->tid);
2322 }
2323
2324 static void sig_handler(int sig __maybe_unused)
2325 {
2326         session_done = 1;
2327 }
2328
2329 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2330 {
2331         struct evlist *evlist = script->session->evlist;
2332         struct evsel *evsel;
2333
2334         evlist__for_each_entry(evlist, evsel) {
2335                 if (!evsel->priv)
2336                         break;
2337                 perf_evsel_script__delete(evsel->priv);
2338                 evsel->priv = NULL;
2339         }
2340 }
2341
2342 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2343 {
2344         struct evsel *evsel;
2345
2346         evlist__for_each_entry(script->session->evlist, evsel) {
2347                 /*
2348                  * Already setup? I.e. we may be called twice in cases like
2349                  * Intel PT, one for the intel_pt// and dummy events, then
2350                  * for the evsels syntheized from the auxtrace info.
2351                  *
2352                  * Ses perf_script__process_auxtrace_info.
2353                  */
2354                 if (evsel->priv != NULL)
2355                         continue;
2356
2357                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2358                 if (evsel->priv == NULL)
2359                         goto out_err_fclose;
2360         }
2361
2362         return 0;
2363
2364 out_err_fclose:
2365         perf_script__fclose_per_event_dump(script);
2366         return -1;
2367 }
2368
2369 static int perf_script__setup_per_event_dump(struct perf_script *script)
2370 {
2371         struct evsel *evsel;
2372         static struct evsel_script es_stdout;
2373
2374         if (script->per_event_dump)
2375                 return perf_script__fopen_per_event_dump(script);
2376
2377         es_stdout.fp = stdout;
2378
2379         evlist__for_each_entry(script->session->evlist, evsel)
2380                 evsel->priv = &es_stdout;
2381
2382         return 0;
2383 }
2384
2385 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2386 {
2387         struct evsel *evsel;
2388
2389         evlist__for_each_entry(script->session->evlist, evsel) {
2390                 struct evsel_script *es = evsel->priv;
2391
2392                 perf_evsel_script__fprintf(es, stdout);
2393                 perf_evsel_script__delete(es);
2394                 evsel->priv = NULL;
2395         }
2396 }
2397
2398 static int __cmd_script(struct perf_script *script)
2399 {
2400         int ret;
2401
2402         signal(SIGINT, sig_handler);
2403
2404         perf_stat__init_shadow_stats();
2405
2406         /* override event processing functions */
2407         if (script->show_task_events) {
2408                 script->tool.comm = process_comm_event;
2409                 script->tool.fork = process_fork_event;
2410                 script->tool.exit = process_exit_event;
2411         }
2412         if (script->show_mmap_events) {
2413                 script->tool.mmap = process_mmap_event;
2414                 script->tool.mmap2 = process_mmap2_event;
2415         }
2416         if (script->show_switch_events || (scripting_ops && scripting_ops->process_switch))
2417                 script->tool.context_switch = process_switch_event;
2418         if (script->show_namespace_events)
2419                 script->tool.namespaces = process_namespaces_event;
2420         if (script->show_cgroup_events)
2421                 script->tool.cgroup = process_cgroup_event;
2422         if (script->show_lost_events)
2423                 script->tool.lost = process_lost_event;
2424         if (script->show_round_events) {
2425                 script->tool.ordered_events = false;
2426                 script->tool.finished_round = process_finished_round_event;
2427         }
2428         if (script->show_bpf_events) {
2429                 script->tool.ksymbol = process_bpf_events;
2430                 script->tool.bpf     = process_bpf_events;
2431         }
2432
2433         if (perf_script__setup_per_event_dump(script)) {
2434                 pr_err("Couldn't create the per event dump files\n");
2435                 return -1;
2436         }
2437
2438         ret = perf_session__process_events(script->session);
2439
2440         if (script->per_event_dump)
2441                 perf_script__exit_per_event_dump_stats(script);
2442
2443         if (debug_mode)
2444                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2445
2446         return ret;
2447 }
2448
2449 struct script_spec {
2450         struct list_head        node;
2451         struct scripting_ops    *ops;
2452         char                    spec[0];
2453 };
2454
2455 static LIST_HEAD(script_specs);
2456
2457 static struct script_spec *script_spec__new(const char *spec,
2458                                             struct scripting_ops *ops)
2459 {
2460         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2461
2462         if (s != NULL) {
2463                 strcpy(s->spec, spec);
2464                 s->ops = ops;
2465         }
2466
2467         return s;
2468 }
2469
2470 static void script_spec__add(struct script_spec *s)
2471 {
2472         list_add_tail(&s->node, &script_specs);
2473 }
2474
2475 static struct script_spec *script_spec__find(const char *spec)
2476 {
2477         struct script_spec *s;
2478
2479         list_for_each_entry(s, &script_specs, node)
2480                 if (strcasecmp(s->spec, spec) == 0)
2481                         return s;
2482         return NULL;
2483 }
2484
2485 int script_spec_register(const char *spec, struct scripting_ops *ops)
2486 {
2487         struct script_spec *s;
2488
2489         s = script_spec__find(spec);
2490         if (s)
2491                 return -1;
2492
2493         s = script_spec__new(spec, ops);
2494         if (!s)
2495                 return -1;
2496         else
2497                 script_spec__add(s);
2498
2499         return 0;
2500 }
2501
2502 static struct scripting_ops *script_spec__lookup(const char *spec)
2503 {
2504         struct script_spec *s = script_spec__find(spec);
2505         if (!s)
2506                 return NULL;
2507
2508         return s->ops;
2509 }
2510
2511 static void list_available_languages(void)
2512 {
2513         struct script_spec *s;
2514
2515         fprintf(stderr, "\n");
2516         fprintf(stderr, "Scripting language extensions (used in "
2517                 "perf script -s [spec:]script.[spec]):\n\n");
2518
2519         list_for_each_entry(s, &script_specs, node)
2520                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2521
2522         fprintf(stderr, "\n");
2523 }
2524
2525 static int parse_scriptname(const struct option *opt __maybe_unused,
2526                             const char *str, int unset __maybe_unused)
2527 {
2528         char spec[PATH_MAX];
2529         const char *script, *ext;
2530         int len;
2531
2532         if (strcmp(str, "lang") == 0) {
2533                 list_available_languages();
2534                 exit(0);
2535         }
2536
2537         script = strchr(str, ':');
2538         if (script) {
2539                 len = script - str;
2540                 if (len >= PATH_MAX) {
2541                         fprintf(stderr, "invalid language specifier");
2542                         return -1;
2543                 }
2544                 strncpy(spec, str, len);
2545                 spec[len] = '\0';
2546                 scripting_ops = script_spec__lookup(spec);
2547                 if (!scripting_ops) {
2548                         fprintf(stderr, "invalid language specifier");
2549                         return -1;
2550                 }
2551                 script++;
2552         } else {
2553                 script = str;
2554                 ext = strrchr(script, '.');
2555                 if (!ext) {
2556                         fprintf(stderr, "invalid script extension");
2557                         return -1;
2558                 }
2559                 scripting_ops = script_spec__lookup(++ext);
2560                 if (!scripting_ops) {
2561                         fprintf(stderr, "invalid script extension");
2562                         return -1;
2563                 }
2564         }
2565
2566         script_name = strdup(script);
2567
2568         return 0;
2569 }
2570
2571 static int parse_output_fields(const struct option *opt __maybe_unused,
2572                             const char *arg, int unset __maybe_unused)
2573 {
2574         char *tok, *strtok_saveptr = NULL;
2575         int i, imax = ARRAY_SIZE(all_output_options);
2576         int j;
2577         int rc = 0;
2578         char *str = strdup(arg);
2579         int type = -1;
2580         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2581
2582         if (!str)
2583                 return -ENOMEM;
2584
2585         /* first word can state for which event type the user is specifying
2586          * the fields. If no type exists, the specified fields apply to all
2587          * event types found in the file minus the invalid fields for a type.
2588          */
2589         tok = strchr(str, ':');
2590         if (tok) {
2591                 *tok = '\0';
2592                 tok++;
2593                 if (!strcmp(str, "hw"))
2594                         type = PERF_TYPE_HARDWARE;
2595                 else if (!strcmp(str, "sw"))
2596                         type = PERF_TYPE_SOFTWARE;
2597                 else if (!strcmp(str, "trace"))
2598                         type = PERF_TYPE_TRACEPOINT;
2599                 else if (!strcmp(str, "raw"))
2600                         type = PERF_TYPE_RAW;
2601                 else if (!strcmp(str, "break"))
2602                         type = PERF_TYPE_BREAKPOINT;
2603                 else if (!strcmp(str, "synth"))
2604                         type = OUTPUT_TYPE_SYNTH;
2605                 else {
2606                         fprintf(stderr, "Invalid event type in field string.\n");
2607                         rc = -EINVAL;
2608                         goto out;
2609                 }
2610
2611                 if (output[type].user_set)
2612                         pr_warning("Overriding previous field request for %s events.\n",
2613                                    event_type(type));
2614
2615                 /* Don't override defaults for +- */
2616                 if (strchr(tok, '+') || strchr(tok, '-'))
2617                         goto parse;
2618
2619                 output[type].fields = 0;
2620                 output[type].user_set = true;
2621                 output[type].wildcard_set = false;
2622
2623         } else {
2624                 tok = str;
2625                 if (strlen(str) == 0) {
2626                         fprintf(stderr,
2627                                 "Cannot set fields to 'none' for all event types.\n");
2628                         rc = -EINVAL;
2629                         goto out;
2630                 }
2631
2632                 /* Don't override defaults for +- */
2633                 if (strchr(str, '+') || strchr(str, '-'))
2634                         goto parse;
2635
2636                 if (output_set_by_user())
2637                         pr_warning("Overriding previous field request for all events.\n");
2638
2639                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2640                         output[j].fields = 0;
2641                         output[j].user_set = true;
2642                         output[j].wildcard_set = true;
2643                 }
2644         }
2645
2646 parse:
2647         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2648                 if (*tok == '+') {
2649                         if (change == SET)
2650                                 goto out_badmix;
2651                         change = ADD;
2652                         tok++;
2653                 } else if (*tok == '-') {
2654                         if (change == SET)
2655                                 goto out_badmix;
2656                         change = REMOVE;
2657                         tok++;
2658                 } else {
2659                         if (change != SET && change != DEFAULT)
2660                                 goto out_badmix;
2661                         change = SET;
2662                 }
2663
2664                 for (i = 0; i < imax; ++i) {
2665                         if (strcmp(tok, all_output_options[i].str) == 0)
2666                                 break;
2667                 }
2668                 if (i == imax && strcmp(tok, "flags") == 0) {
2669                         print_flags = change == REMOVE ? false : true;
2670                         continue;
2671                 }
2672                 if (i == imax) {
2673                         fprintf(stderr, "Invalid field requested.\n");
2674                         rc = -EINVAL;
2675                         goto out;
2676                 }
2677
2678                 if (type == -1) {
2679                         /* add user option to all events types for
2680                          * which it is valid
2681                          */
2682                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2683                                 if (output[j].invalid_fields & all_output_options[i].field) {
2684                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2685                                                    all_output_options[i].str, event_type(j));
2686                                 } else {
2687                                         if (change == REMOVE) {
2688                                                 output[j].fields &= ~all_output_options[i].field;
2689                                                 output[j].user_set_fields &= ~all_output_options[i].field;
2690                                         } else {
2691                                                 output[j].fields |= all_output_options[i].field;
2692                                                 output[j].user_set_fields |= all_output_options[i].field;
2693                                         }
2694                                         output[j].user_set = true;
2695                                         output[j].wildcard_set = true;
2696                                 }
2697                         }
2698                 } else {
2699                         if (output[type].invalid_fields & all_output_options[i].field) {
2700                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2701                                          all_output_options[i].str, event_type(type));
2702
2703                                 rc = -EINVAL;
2704                                 goto out;
2705                         }
2706                         if (change == REMOVE)
2707                                 output[type].fields &= ~all_output_options[i].field;
2708                         else
2709                                 output[type].fields |= all_output_options[i].field;
2710                         output[type].user_set = true;
2711                         output[type].wildcard_set = true;
2712                 }
2713         }
2714
2715         if (type >= 0) {
2716                 if (output[type].fields == 0) {
2717                         pr_debug("No fields requested for %s type. "
2718                                  "Events will not be displayed.\n", event_type(type));
2719                 }
2720         }
2721         goto out;
2722
2723 out_badmix:
2724         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2725         rc = -EINVAL;
2726 out:
2727         free(str);
2728         return rc;
2729 }
2730
2731 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2732         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2733                 if ((lang_dirent->d_type == DT_DIR ||                   \
2734                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2735                       is_directory(scripts_path, lang_dirent))) &&      \
2736                     (strcmp(lang_dirent->d_name, ".")) &&               \
2737                     (strcmp(lang_dirent->d_name, "..")))
2738
2739 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2740         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2741                 if (script_dirent->d_type != DT_DIR &&                  \
2742                     (script_dirent->d_type != DT_UNKNOWN ||             \
2743                      !is_directory(lang_path, script_dirent)))
2744
2745
2746 #define RECORD_SUFFIX                   "-record"
2747 #define REPORT_SUFFIX                   "-report"
2748
2749 struct script_desc {
2750         struct list_head        node;
2751         char                    *name;
2752         char                    *half_liner;
2753         char                    *args;
2754 };
2755
2756 static LIST_HEAD(script_descs);
2757
2758 static struct script_desc *script_desc__new(const char *name)
2759 {
2760         struct script_desc *s = zalloc(sizeof(*s));
2761
2762         if (s != NULL && name)
2763                 s->name = strdup(name);
2764
2765         return s;
2766 }
2767
2768 static void script_desc__delete(struct script_desc *s)
2769 {
2770         zfree(&s->name);
2771         zfree(&s->half_liner);
2772         zfree(&s->args);
2773         free(s);
2774 }
2775
2776 static void script_desc__add(struct script_desc *s)
2777 {
2778         list_add_tail(&s->node, &script_descs);
2779 }
2780
2781 static struct script_desc *script_desc__find(const char *name)
2782 {
2783         struct script_desc *s;
2784
2785         list_for_each_entry(s, &script_descs, node)
2786                 if (strcasecmp(s->name, name) == 0)
2787                         return s;
2788         return NULL;
2789 }
2790
2791 static struct script_desc *script_desc__findnew(const char *name)
2792 {
2793         struct script_desc *s = script_desc__find(name);
2794
2795         if (s)
2796                 return s;
2797
2798         s = script_desc__new(name);
2799         if (!s)
2800                 return NULL;
2801
2802         script_desc__add(s);
2803
2804         return s;
2805 }
2806
2807 static const char *ends_with(const char *str, const char *suffix)
2808 {
2809         size_t suffix_len = strlen(suffix);
2810         const char *p = str;
2811
2812         if (strlen(str) > suffix_len) {
2813                 p = str + strlen(str) - suffix_len;
2814                 if (!strncmp(p, suffix, suffix_len))
2815                         return p;
2816         }
2817
2818         return NULL;
2819 }
2820
2821 static int read_script_info(struct script_desc *desc, const char *filename)
2822 {
2823         char line[BUFSIZ], *p;
2824         FILE *fp;
2825
2826         fp = fopen(filename, "r");
2827         if (!fp)
2828                 return -1;
2829
2830         while (fgets(line, sizeof(line), fp)) {
2831                 p = skip_spaces(line);
2832                 if (strlen(p) == 0)
2833                         continue;
2834                 if (*p != '#')
2835                         continue;
2836                 p++;
2837                 if (strlen(p) && *p == '!')
2838                         continue;
2839
2840                 p = skip_spaces(p);
2841                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2842                         p[strlen(p) - 1] = '\0';
2843
2844                 if (!strncmp(p, "description:", strlen("description:"))) {
2845                         p += strlen("description:");
2846                         desc->half_liner = strdup(skip_spaces(p));
2847                         continue;
2848                 }
2849
2850                 if (!strncmp(p, "args:", strlen("args:"))) {
2851                         p += strlen("args:");
2852                         desc->args = strdup(skip_spaces(p));
2853                         continue;
2854                 }
2855         }
2856
2857         fclose(fp);
2858
2859         return 0;
2860 }
2861
2862 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2863 {
2864         char *script_root, *str;
2865
2866         script_root = strdup(script_dirent->d_name);
2867         if (!script_root)
2868                 return NULL;
2869
2870         str = (char *)ends_with(script_root, suffix);
2871         if (!str) {
2872                 free(script_root);
2873                 return NULL;
2874         }
2875
2876         *str = '\0';
2877         return script_root;
2878 }
2879
2880 static int list_available_scripts(const struct option *opt __maybe_unused,
2881                                   const char *s __maybe_unused,
2882                                   int unset __maybe_unused)
2883 {
2884         struct dirent *script_dirent, *lang_dirent;
2885         char scripts_path[MAXPATHLEN];
2886         DIR *scripts_dir, *lang_dir;
2887         char script_path[MAXPATHLEN];
2888         char lang_path[MAXPATHLEN];
2889         struct script_desc *desc;
2890         char first_half[BUFSIZ];
2891         char *script_root;
2892
2893         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2894
2895         scripts_dir = opendir(scripts_path);
2896         if (!scripts_dir) {
2897                 fprintf(stdout,
2898                         "open(%s) failed.\n"
2899                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2900                         scripts_path);
2901                 exit(-1);
2902         }
2903
2904         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2905                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2906                           lang_dirent->d_name);
2907                 lang_dir = opendir(lang_path);
2908                 if (!lang_dir)
2909                         continue;
2910
2911                 for_each_script(lang_path, lang_dir, script_dirent) {
2912                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2913                         if (script_root) {
2914                                 desc = script_desc__findnew(script_root);
2915                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2916                                           lang_path, script_dirent->d_name);
2917                                 read_script_info(desc, script_path);
2918                                 free(script_root);
2919                         }
2920                 }
2921         }
2922
2923         fprintf(stdout, "List of available trace scripts:\n");
2924         list_for_each_entry(desc, &script_descs, node) {
2925                 sprintf(first_half, "%s %s", desc->name,
2926                         desc->args ? desc->args : "");
2927                 fprintf(stdout, "  %-36s %s\n", first_half,
2928                         desc->half_liner ? desc->half_liner : "");
2929         }
2930
2931         exit(0);
2932 }
2933
2934 /*
2935  * Some scripts specify the required events in their "xxx-record" file,
2936  * this function will check if the events in perf.data match those
2937  * mentioned in the "xxx-record".
2938  *
2939  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2940  * which is covered well now. And new parsing code should be added to
2941  * cover the future complexing formats like event groups etc.
2942  */
2943 static int check_ev_match(char *dir_name, char *scriptname,
2944                         struct perf_session *session)
2945 {
2946         char filename[MAXPATHLEN], evname[128];
2947         char line[BUFSIZ], *p;
2948         struct evsel *pos;
2949         int match, len;
2950         FILE *fp;
2951
2952         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2953
2954         fp = fopen(filename, "r");
2955         if (!fp)
2956                 return -1;
2957
2958         while (fgets(line, sizeof(line), fp)) {
2959                 p = skip_spaces(line);
2960                 if (*p == '#')
2961                         continue;
2962
2963                 while (strlen(p)) {
2964                         p = strstr(p, "-e");
2965                         if (!p)
2966                                 break;
2967
2968                         p += 2;
2969                         p = skip_spaces(p);
2970                         len = strcspn(p, " \t");
2971                         if (!len)
2972                                 break;
2973
2974                         snprintf(evname, len + 1, "%s", p);
2975
2976                         match = 0;
2977                         evlist__for_each_entry(session->evlist, pos) {
2978                                 if (!strcmp(perf_evsel__name(pos), evname)) {
2979                                         match = 1;
2980                                         break;
2981                                 }
2982                         }
2983
2984                         if (!match) {
2985                                 fclose(fp);
2986                                 return -1;
2987                         }
2988                 }
2989         }
2990
2991         fclose(fp);
2992         return 0;
2993 }
2994
2995 /*
2996  * Return -1 if none is found, otherwise the actual scripts number.
2997  *
2998  * Currently the only user of this function is the script browser, which
2999  * will list all statically runnable scripts, select one, execute it and
3000  * show the output in a perf browser.
3001  */
3002 int find_scripts(char **scripts_array, char **scripts_path_array, int num,
3003                  int pathlen)
3004 {
3005         struct dirent *script_dirent, *lang_dirent;
3006         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
3007         DIR *scripts_dir, *lang_dir;
3008         struct perf_session *session;
3009         struct perf_data data = {
3010                 .path = input_name,
3011                 .mode = PERF_DATA_MODE_READ,
3012         };
3013         char *temp;
3014         int i = 0;
3015
3016         session = perf_session__new(&data, false, NULL);
3017         if (IS_ERR(session))
3018                 return PTR_ERR(session);
3019
3020         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3021
3022         scripts_dir = opendir(scripts_path);
3023         if (!scripts_dir) {
3024                 perf_session__delete(session);
3025                 return -1;
3026         }
3027
3028         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3029                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
3030                           lang_dirent->d_name);
3031 #ifndef HAVE_LIBPERL_SUPPORT
3032                 if (strstr(lang_path, "perl"))
3033                         continue;
3034 #endif
3035 #ifndef HAVE_LIBPYTHON_SUPPORT
3036                 if (strstr(lang_path, "python"))
3037                         continue;
3038 #endif
3039
3040                 lang_dir = opendir(lang_path);
3041                 if (!lang_dir)
3042                         continue;
3043
3044                 for_each_script(lang_path, lang_dir, script_dirent) {
3045                         /* Skip those real time scripts: xxxtop.p[yl] */
3046                         if (strstr(script_dirent->d_name, "top."))
3047                                 continue;
3048                         if (i >= num)
3049                                 break;
3050                         snprintf(scripts_path_array[i], pathlen, "%s/%s",
3051                                 lang_path,
3052                                 script_dirent->d_name);
3053                         temp = strchr(script_dirent->d_name, '.');
3054                         snprintf(scripts_array[i],
3055                                 (temp - script_dirent->d_name) + 1,
3056                                 "%s", script_dirent->d_name);
3057
3058                         if (check_ev_match(lang_path,
3059                                         scripts_array[i], session))
3060                                 continue;
3061
3062                         i++;
3063                 }
3064                 closedir(lang_dir);
3065         }
3066
3067         closedir(scripts_dir);
3068         perf_session__delete(session);
3069         return i;
3070 }
3071
3072 static char *get_script_path(const char *script_root, const char *suffix)
3073 {
3074         struct dirent *script_dirent, *lang_dirent;
3075         char scripts_path[MAXPATHLEN];
3076         char script_path[MAXPATHLEN];
3077         DIR *scripts_dir, *lang_dir;
3078         char lang_path[MAXPATHLEN];
3079         char *__script_root;
3080
3081         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3082
3083         scripts_dir = opendir(scripts_path);
3084         if (!scripts_dir)
3085                 return NULL;
3086
3087         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3088                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3089                           lang_dirent->d_name);
3090                 lang_dir = opendir(lang_path);
3091                 if (!lang_dir)
3092                         continue;
3093
3094                 for_each_script(lang_path, lang_dir, script_dirent) {
3095                         __script_root = get_script_root(script_dirent, suffix);
3096                         if (__script_root && !strcmp(script_root, __script_root)) {
3097                                 free(__script_root);
3098                                 closedir(scripts_dir);
3099                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3100                                           lang_path, script_dirent->d_name);
3101                                 closedir(lang_dir);
3102                                 return strdup(script_path);
3103                         }
3104                         free(__script_root);
3105                 }
3106                 closedir(lang_dir);
3107         }
3108         closedir(scripts_dir);
3109
3110         return NULL;
3111 }
3112
3113 static bool is_top_script(const char *script_path)
3114 {
3115         return ends_with(script_path, "top") == NULL ? false : true;
3116 }
3117
3118 static int has_required_arg(char *script_path)
3119 {
3120         struct script_desc *desc;
3121         int n_args = 0;
3122         char *p;
3123
3124         desc = script_desc__new(NULL);
3125
3126         if (read_script_info(desc, script_path))
3127                 goto out;
3128
3129         if (!desc->args)
3130                 goto out;
3131
3132         for (p = desc->args; *p; p++)
3133                 if (*p == '<')
3134                         n_args++;
3135 out:
3136         script_desc__delete(desc);
3137
3138         return n_args;
3139 }
3140
3141 static int have_cmd(int argc, const char **argv)
3142 {
3143         char **__argv = malloc(sizeof(const char *) * argc);
3144
3145         if (!__argv) {
3146                 pr_err("malloc failed\n");
3147                 return -1;
3148         }
3149
3150         memcpy(__argv, argv, sizeof(const char *) * argc);
3151         argc = parse_options(argc, (const char **)__argv, record_options,
3152                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3153         free(__argv);
3154
3155         system_wide = (argc == 0);
3156
3157         return 0;
3158 }
3159
3160 static void script__setup_sample_type(struct perf_script *script)
3161 {
3162         struct perf_session *session = script->session;
3163         u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3164
3165         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3166                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3167                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3168                         callchain_param.record_mode = CALLCHAIN_DWARF;
3169                         dwarf_callchain_users = true;
3170                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3171                         callchain_param.record_mode = CALLCHAIN_LBR;
3172                 else
3173                         callchain_param.record_mode = CALLCHAIN_FP;
3174         }
3175
3176         if (script->stitch_lbr && (callchain_param.record_mode != CALLCHAIN_LBR)) {
3177                 pr_warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
3178                            "Please apply --call-graph lbr when recording.\n");
3179                 script->stitch_lbr = false;
3180         }
3181 }
3182
3183 static int process_stat_round_event(struct perf_session *session,
3184                                     union perf_event *event)
3185 {
3186         struct perf_record_stat_round *round = &event->stat_round;
3187         struct evsel *counter;
3188
3189         evlist__for_each_entry(session->evlist, counter) {
3190                 perf_stat_process_counter(&stat_config, counter);
3191                 process_stat(counter, round->time);
3192         }
3193
3194         process_stat_interval(round->time);
3195         return 0;
3196 }
3197
3198 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3199                                      union perf_event *event)
3200 {
3201         perf_event__read_stat_config(&stat_config, &event->stat_config);
3202         return 0;
3203 }
3204
3205 static int set_maps(struct perf_script *script)
3206 {
3207         struct evlist *evlist = script->session->evlist;
3208
3209         if (!script->cpus || !script->threads)
3210                 return 0;
3211
3212         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3213                 return -EINVAL;
3214
3215         perf_evlist__set_maps(&evlist->core, script->cpus, script->threads);
3216
3217         if (perf_evlist__alloc_stats(evlist, true))
3218                 return -ENOMEM;
3219
3220         script->allocated = true;
3221         return 0;
3222 }
3223
3224 static
3225 int process_thread_map_event(struct perf_session *session,
3226                              union perf_event *event)
3227 {
3228         struct perf_tool *tool = session->tool;
3229         struct perf_script *script = container_of(tool, struct perf_script, tool);
3230
3231         if (script->threads) {
3232                 pr_warning("Extra thread map event, ignoring.\n");
3233                 return 0;
3234         }
3235
3236         script->threads = thread_map__new_event(&event->thread_map);
3237         if (!script->threads)
3238                 return -ENOMEM;
3239
3240         return set_maps(script);
3241 }
3242
3243 static
3244 int process_cpu_map_event(struct perf_session *session,
3245                           union perf_event *event)
3246 {
3247         struct perf_tool *tool = session->tool;
3248         struct perf_script *script = container_of(tool, struct perf_script, tool);
3249
3250         if (script->cpus) {
3251                 pr_warning("Extra cpu map event, ignoring.\n");
3252                 return 0;
3253         }
3254
3255         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3256         if (!script->cpus)
3257                 return -ENOMEM;
3258
3259         return set_maps(script);
3260 }
3261
3262 static int process_feature_event(struct perf_session *session,
3263                                  union perf_event *event)
3264 {
3265         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3266                 return perf_event__process_feature(session, event);
3267         return 0;
3268 }
3269
3270 #ifdef HAVE_AUXTRACE_SUPPORT
3271 static int perf_script__process_auxtrace_info(struct perf_session *session,
3272                                               union perf_event *event)
3273 {
3274         struct perf_tool *tool = session->tool;
3275
3276         int ret = perf_event__process_auxtrace_info(session, event);
3277
3278         if (ret == 0) {
3279                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3280
3281                 ret = perf_script__setup_per_event_dump(script);
3282         }
3283
3284         return ret;
3285 }
3286 #else
3287 #define perf_script__process_auxtrace_info 0
3288 #endif
3289
3290 static int parse_insn_trace(const struct option *opt __maybe_unused,
3291                             const char *str __maybe_unused,
3292                             int unset __maybe_unused)
3293 {
3294         parse_output_fields(NULL, "+insn,-event,-period", 0);
3295         itrace_parse_synth_opts(opt, "i0ns", 0);
3296         symbol_conf.nanosecs = true;
3297         return 0;
3298 }
3299
3300 static int parse_xed(const struct option *opt __maybe_unused,
3301                      const char *str __maybe_unused,
3302                      int unset __maybe_unused)
3303 {
3304         force_pager("xed -F insn: -A -64 | less");
3305         return 0;
3306 }
3307
3308 static int parse_call_trace(const struct option *opt __maybe_unused,
3309                             const char *str __maybe_unused,
3310                             int unset __maybe_unused)
3311 {
3312         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3313         itrace_parse_synth_opts(opt, "cewp", 0);
3314         symbol_conf.nanosecs = true;
3315         symbol_conf.pad_output_len_dso = 50;
3316         return 0;
3317 }
3318
3319 static int parse_callret_trace(const struct option *opt __maybe_unused,
3320                             const char *str __maybe_unused,
3321                             int unset __maybe_unused)
3322 {
3323         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3324         itrace_parse_synth_opts(opt, "crewp", 0);
3325         symbol_conf.nanosecs = true;
3326         return 0;
3327 }
3328
3329 int cmd_script(int argc, const char **argv)
3330 {
3331         bool show_full_info = false;
3332         bool header = false;
3333         bool header_only = false;
3334         bool script_started = false;
3335         char *rec_script_path = NULL;
3336         char *rep_script_path = NULL;
3337         struct perf_session *session;
3338         struct itrace_synth_opts itrace_synth_opts = {
3339                 .set = false,
3340                 .default_no_sample = true,
3341         };
3342         struct utsname uts;
3343         char *script_path = NULL;
3344         const char **__argv;
3345         int i, j, err = 0;
3346         struct perf_script script = {
3347                 .tool = {
3348                         .sample          = process_sample_event,
3349                         .mmap            = perf_event__process_mmap,
3350                         .mmap2           = perf_event__process_mmap2,
3351                         .comm            = perf_event__process_comm,
3352                         .namespaces      = perf_event__process_namespaces,
3353                         .cgroup          = perf_event__process_cgroup,
3354                         .exit            = perf_event__process_exit,
3355                         .fork            = perf_event__process_fork,
3356                         .attr            = process_attr,
3357                         .event_update   = perf_event__process_event_update,
3358                         .tracing_data    = perf_event__process_tracing_data,
3359                         .feature         = process_feature_event,
3360                         .build_id        = perf_event__process_build_id,
3361                         .id_index        = perf_event__process_id_index,
3362                         .auxtrace_info   = perf_script__process_auxtrace_info,
3363                         .auxtrace        = perf_event__process_auxtrace,
3364                         .auxtrace_error  = perf_event__process_auxtrace_error,
3365                         .stat            = perf_event__process_stat_event,
3366                         .stat_round      = process_stat_round_event,
3367                         .stat_config     = process_stat_config_event,
3368                         .thread_map      = process_thread_map_event,
3369                         .cpu_map         = process_cpu_map_event,
3370                         .ordered_events  = true,
3371                         .ordering_requires_timestamps = true,
3372                 },
3373         };
3374         struct perf_data data = {
3375                 .mode = PERF_DATA_MODE_READ,
3376         };
3377         const struct option options[] = {
3378         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3379                     "dump raw trace in ASCII"),
3380         OPT_INCR('v', "verbose", &verbose,
3381                  "be more verbose (show symbol address, etc)"),
3382         OPT_BOOLEAN('L', "Latency", &latency_format,
3383                     "show latency attributes (irqs/preemption disabled, etc)"),
3384         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3385                            list_available_scripts),
3386         OPT_CALLBACK('s', "script", NULL, "name",
3387                      "script file name (lang:script name, script name, or *)",
3388                      parse_scriptname),
3389         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3390                    "generate perf-script.xx script in specified language"),
3391         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3392         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3393                    "do various checks like samples ordering and lost events"),
3394         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3395         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3396         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3397                    "file", "vmlinux pathname"),
3398         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3399                    "file", "kallsyms pathname"),
3400         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3401                     "When printing symbols do not display call chain"),
3402         OPT_CALLBACK(0, "symfs", NULL, "directory",
3403                      "Look for files with symbols relative to this directory",
3404                      symbol__config_symfs),
3405         OPT_CALLBACK('F', "fields", NULL, "str",
3406                      "comma separated output fields prepend with 'type:'. "
3407                      "+field to add and -field to remove."
3408                      "Valid types: hw,sw,trace,raw,synth. "
3409                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3410                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3411                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3412                      "callindent,insn,insnlen,synth,phys_addr,metric,misc,ipc",
3413                      parse_output_fields),
3414         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3415                     "system-wide collection from all CPUs"),
3416         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3417                    "only consider these symbols"),
3418         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3419                         "Decode instructions from itrace", parse_insn_trace),
3420         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3421                         "Run xed disassembler on output", parse_xed),
3422         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3423                         "Decode calls from from itrace", parse_call_trace),
3424         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3425                         "Decode calls and returns from itrace", parse_callret_trace),
3426         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3427                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3428         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3429                    "Stop display of callgraph at these symbols"),
3430         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3431         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3432                    "only display events for these comms"),
3433         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3434                    "only consider symbols in these pids"),
3435         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3436                    "only consider symbols in these tids"),
3437         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3438                      "Set the maximum stack depth when parsing the callchain, "
3439                      "anything beyond the specified depth will be ignored. "
3440                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3441         OPT_BOOLEAN(0, "reltime", &reltime, "Show time stamps relative to start"),
3442         OPT_BOOLEAN(0, "deltatime", &deltatime, "Show time stamps relative to previous event"),
3443         OPT_BOOLEAN('I', "show-info", &show_full_info,
3444                     "display extended information from perf.data file"),
3445         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3446                     "Show the path of [kernel.kallsyms]"),
3447         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3448                     "Show the fork/comm/exit events"),
3449         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3450                     "Show the mmap events"),
3451         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3452                     "Show context switch events (if recorded)"),
3453         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3454                     "Show namespace events (if recorded)"),
3455         OPT_BOOLEAN('\0', "show-cgroup-events", &script.show_cgroup_events,
3456                     "Show cgroup events (if recorded)"),
3457         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3458                     "Show lost events (if recorded)"),
3459         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3460                     "Show round events (if recorded)"),
3461         OPT_BOOLEAN('\0', "show-bpf-events", &script.show_bpf_events,
3462                     "Show bpf related events (if recorded)"),
3463         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3464                     "Dump trace output to files named by the monitored events"),
3465         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3466         OPT_INTEGER(0, "max-blocks", &max_blocks,
3467                     "Maximum number of code blocks to dump with brstackinsn"),
3468         OPT_BOOLEAN(0, "ns", &symbol_conf.nanosecs,
3469                     "Use 9 decimal places when displaying time"),
3470         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3471                             "Instruction Tracing options\n" ITRACE_HELP,
3472                             itrace_parse_synth_opts),
3473         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3474                         "Show full source file name path for source lines"),
3475         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3476                         "Enable symbol demangling"),
3477         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3478                         "Enable kernel symbol demangling"),
3479         OPT_STRING(0, "time", &script.time_str, "str",
3480                    "Time span of interest (start,stop)"),
3481         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3482                     "Show inline function"),
3483         OPT_STRING(0, "guestmount", &symbol_conf.guestmount, "directory",
3484                    "guest mount directory under which every guest os"
3485                    " instance has a subdir"),
3486         OPT_STRING(0, "guestvmlinux", &symbol_conf.default_guest_vmlinux_name,
3487                    "file", "file saving guest os vmlinux"),
3488         OPT_STRING(0, "guestkallsyms", &symbol_conf.default_guest_kallsyms,
3489                    "file", "file saving guest os /proc/kallsyms"),
3490         OPT_STRING(0, "guestmodules", &symbol_conf.default_guest_modules,
3491                    "file", "file saving guest os /proc/modules"),
3492         OPT_BOOLEAN('\0', "stitch-lbr", &script.stitch_lbr,
3493                     "Enable LBR callgraph stitching approach"),
3494         OPTS_EVSWITCH(&script.evswitch),
3495         OPT_END()
3496         };
3497         const char * const script_subcommands[] = { "record", "report", NULL };
3498         const char *script_usage[] = {
3499                 "perf script [<options>]",
3500                 "perf script [<options>] record <script> [<record-options>] <command>",
3501                 "perf script [<options>] report <script> [script-args]",
3502                 "perf script [<options>] <script> [<record-options>] <command>",
3503                 "perf script [<options>] <top-script> [script-args]",
3504                 NULL
3505         };
3506
3507         perf_set_singlethreaded();
3508
3509         setup_scripting();
3510
3511         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3512                              PARSE_OPT_STOP_AT_NON_OPTION);
3513
3514         if (symbol_conf.guestmount ||
3515             symbol_conf.default_guest_vmlinux_name ||
3516             symbol_conf.default_guest_kallsyms ||
3517             symbol_conf.default_guest_modules) {
3518                 /*
3519                  * Enable guest sample processing.
3520                  */
3521                 perf_guest = true;
3522         }
3523
3524         data.path  = input_name;
3525         data.force = symbol_conf.force;
3526
3527         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3528                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3529                 if (!rec_script_path)
3530                         return cmd_record(argc, argv);
3531         }
3532
3533         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3534                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3535                 if (!rep_script_path) {
3536                         fprintf(stderr,
3537                                 "Please specify a valid report script"
3538                                 "(see 'perf script -l' for listing)\n");
3539                         return -1;
3540                 }
3541         }
3542
3543         if (reltime && deltatime) {
3544                 fprintf(stderr,
3545                         "reltime and deltatime - the two don't get along well. "
3546                         "Please limit to --reltime or --deltatime.\n");
3547                 return -1;
3548         }
3549
3550         if ((itrace_synth_opts.callchain || itrace_synth_opts.add_callchain) &&
3551             itrace_synth_opts.callchain_sz > scripting_max_stack)
3552                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3553
3554         /* make sure PERF_EXEC_PATH is set for scripts */
3555         set_argv_exec_path(get_argv_exec_path());
3556
3557         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3558                 int live_pipe[2];
3559                 int rep_args;
3560                 pid_t pid;
3561
3562                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3563                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3564
3565                 if (!rec_script_path && !rep_script_path) {
3566                         usage_with_options_msg(script_usage, options,
3567                                 "Couldn't find script `%s'\n\n See perf"
3568                                 " script -l for available scripts.\n", argv[0]);
3569                 }
3570
3571                 if (is_top_script(argv[0])) {
3572                         rep_args = argc - 1;
3573                 } else {
3574                         int rec_args;
3575
3576                         rep_args = has_required_arg(rep_script_path);
3577                         rec_args = (argc - 1) - rep_args;
3578                         if (rec_args < 0) {
3579                                 usage_with_options_msg(script_usage, options,
3580                                         "`%s' script requires options."
3581                                         "\n\n See perf script -l for available "
3582                                         "scripts and options.\n", argv[0]);
3583                         }
3584                 }
3585
3586                 if (pipe(live_pipe) < 0) {
3587                         perror("failed to create pipe");
3588                         return -1;
3589                 }
3590
3591                 pid = fork();
3592                 if (pid < 0) {
3593                         perror("failed to fork");
3594                         return -1;
3595                 }
3596
3597                 if (!pid) {
3598                         j = 0;
3599
3600                         dup2(live_pipe[1], 1);
3601                         close(live_pipe[0]);
3602
3603                         if (is_top_script(argv[0])) {
3604                                 system_wide = true;
3605                         } else if (!system_wide) {
3606                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3607                                         err = -1;
3608                                         goto out;
3609                                 }
3610                         }
3611
3612                         __argv = malloc((argc + 6) * sizeof(const char *));
3613                         if (!__argv) {
3614                                 pr_err("malloc failed\n");
3615                                 err = -ENOMEM;
3616                                 goto out;
3617                         }
3618
3619                         __argv[j++] = "/bin/sh";
3620                         __argv[j++] = rec_script_path;
3621                         if (system_wide)
3622                                 __argv[j++] = "-a";
3623                         __argv[j++] = "-q";
3624                         __argv[j++] = "-o";
3625                         __argv[j++] = "-";
3626                         for (i = rep_args + 1; i < argc; i++)
3627                                 __argv[j++] = argv[i];
3628                         __argv[j++] = NULL;
3629
3630                         execvp("/bin/sh", (char **)__argv);
3631                         free(__argv);
3632                         exit(-1);
3633                 }
3634
3635                 dup2(live_pipe[0], 0);
3636                 close(live_pipe[1]);
3637
3638                 __argv = malloc((argc + 4) * sizeof(const char *));
3639                 if (!__argv) {
3640                         pr_err("malloc failed\n");
3641                         err = -ENOMEM;
3642                         goto out;
3643                 }
3644
3645                 j = 0;
3646                 __argv[j++] = "/bin/sh";
3647                 __argv[j++] = rep_script_path;
3648                 for (i = 1; i < rep_args + 1; i++)
3649                         __argv[j++] = argv[i];
3650                 __argv[j++] = "-i";
3651                 __argv[j++] = "-";
3652                 __argv[j++] = NULL;
3653
3654                 execvp("/bin/sh", (char **)__argv);
3655                 free(__argv);
3656                 exit(-1);
3657         }
3658
3659         if (rec_script_path)
3660                 script_path = rec_script_path;
3661         if (rep_script_path)
3662                 script_path = rep_script_path;
3663
3664         if (script_path) {
3665                 j = 0;
3666
3667                 if (!rec_script_path)
3668                         system_wide = false;
3669                 else if (!system_wide) {
3670                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3671                                 err = -1;
3672                                 goto out;
3673                         }
3674                 }
3675
3676                 __argv = malloc((argc + 2) * sizeof(const char *));
3677                 if (!__argv) {
3678                         pr_err("malloc failed\n");
3679                         err = -ENOMEM;
3680                         goto out;
3681                 }
3682
3683                 __argv[j++] = "/bin/sh";
3684                 __argv[j++] = script_path;
3685                 if (system_wide)
3686                         __argv[j++] = "-a";
3687                 for (i = 2; i < argc; i++)
3688                         __argv[j++] = argv[i];
3689                 __argv[j++] = NULL;
3690
3691                 execvp("/bin/sh", (char **)__argv);
3692                 free(__argv);
3693                 exit(-1);
3694         }
3695
3696         if (!script_name) {
3697                 setup_pager();
3698                 use_browser = 0;
3699         }
3700
3701         session = perf_session__new(&data, false, &script.tool);
3702         if (IS_ERR(session))
3703                 return PTR_ERR(session);
3704
3705         if (header || header_only) {
3706                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3707                 perf_session__fprintf_info(session, stdout, show_full_info);
3708                 if (header_only)
3709                         goto out_delete;
3710         }
3711         if (show_full_info)
3712                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3713
3714         if (symbol__init(&session->header.env) < 0)
3715                 goto out_delete;
3716
3717         uname(&uts);
3718         if (data.is_pipe ||  /* assume pipe_mode indicates native_arch */
3719             !strcmp(uts.machine, session->header.env.arch) ||
3720             (!strcmp(uts.machine, "x86_64") &&
3721              !strcmp(session->header.env.arch, "i386")))
3722                 native_arch = true;
3723
3724         script.session = session;
3725         script__setup_sample_type(&script);
3726
3727         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3728             symbol_conf.graph_function)
3729                 itrace_synth_opts.thread_stack = true;
3730
3731         session->itrace_synth_opts = &itrace_synth_opts;
3732
3733         if (cpu_list) {
3734                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3735                 if (err < 0)
3736                         goto out_delete;
3737                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3738         }
3739
3740         if (!no_callchain)
3741                 symbol_conf.use_callchain = true;
3742         else
3743                 symbol_conf.use_callchain = false;
3744
3745         if (session->tevent.pevent &&
3746             tep_set_function_resolver(session->tevent.pevent,
3747                                       machine__resolve_kernel_addr,
3748                                       &session->machines.host) < 0) {
3749                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3750                 err = -1;
3751                 goto out_delete;
3752         }
3753
3754         if (generate_script_lang) {
3755                 struct stat perf_stat;
3756                 int input;
3757
3758                 if (output_set_by_user()) {
3759                         fprintf(stderr,
3760                                 "custom fields not supported for generated scripts");
3761                         err = -EINVAL;
3762                         goto out_delete;
3763                 }
3764
3765                 input = open(data.path, O_RDONLY);      /* input_name */
3766                 if (input < 0) {
3767                         err = -errno;
3768                         perror("failed to open file");
3769                         goto out_delete;
3770                 }
3771
3772                 err = fstat(input, &perf_stat);
3773                 if (err < 0) {
3774                         perror("failed to stat file");
3775                         goto out_delete;
3776                 }
3777
3778                 if (!perf_stat.st_size) {
3779                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3780                         goto out_delete;
3781                 }
3782
3783                 scripting_ops = script_spec__lookup(generate_script_lang);
3784                 if (!scripting_ops) {
3785                         fprintf(stderr, "invalid language specifier");
3786                         err = -ENOENT;
3787                         goto out_delete;
3788                 }
3789
3790                 err = scripting_ops->generate_script(session->tevent.pevent,
3791                                                      "perf-script");
3792                 goto out_delete;
3793         }
3794
3795         if (script_name) {
3796                 err = scripting_ops->start_script(script_name, argc, argv);
3797                 if (err)
3798                         goto out_delete;
3799                 pr_debug("perf script started with script %s\n\n", script_name);
3800                 script_started = true;
3801         }
3802
3803
3804         err = perf_session__check_output_opt(session);
3805         if (err < 0)
3806                 goto out_delete;
3807
3808         if (script.time_str) {
3809                 err = perf_time__parse_for_ranges_reltime(script.time_str, session,
3810                                                   &script.ptime_range,
3811                                                   &script.range_size,
3812                                                   &script.range_num,
3813                                                   reltime);
3814                 if (err < 0)
3815                         goto out_delete;
3816
3817                 itrace_synth_opts__set_time_range(&itrace_synth_opts,
3818                                                   script.ptime_range,
3819                                                   script.range_num);
3820         }
3821
3822         err = evswitch__init(&script.evswitch, session->evlist, stderr);
3823         if (err)
3824                 goto out_delete;
3825
3826         err = __cmd_script(&script);
3827
3828         flush_scripting();
3829
3830 out_delete:
3831         if (script.ptime_range) {
3832                 itrace_synth_opts__clear_time_range(&itrace_synth_opts);
3833                 zfree(&script.ptime_range);
3834         }
3835
3836         perf_evlist__free_stats(session->evlist);
3837         perf_session__delete(session);
3838
3839         if (script_started)
3840                 cleanup_scripting();
3841 out:
3842         return err;
3843 }