tools/perf/builtin-script.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include "builtin.h"
   3
   4 #include "perf.h"
   5 #include "util/cache.h"
   6 #include "util/debug.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/symbol.h"
  14 #include "util/thread.h"
  15 #include "util/trace-event.h"
  16 #include "util/util.h"
  17 #include "util/evlist.h"
  18 #include "util/evsel.h"
  19 #include "util/sort.h"
  20 #include "util/data.h"
  21 #include "util/auxtrace.h"
  22 #include "util/cpumap.h"
  23 #include "util/thread_map.h"
  24 #include "util/stat.h"
  25 #include "util/color.h"
  26 #include "util/string2.h"
  27 #include "util/thread-stack.h"
  28 #include "util/time-utils.h"
  29 #include "util/path.h"
  30 #include "print_binary.h"
  31 #include <linux/bitmap.h>
  32 #include <linux/kernel.h>
  33 #include <linux/stringify.h>
  34 #include <linux/time64.h>
  35 #include "asm/bug.h"
  36 #include "util/mem-events.h"
  37 #include "util/dump-insn.h"
  38 #include <dirent.h>
  39 #include <errno.h>
  40 #include <inttypes.h>
  41 #include <signal.h>
  42 #include <sys/param.h>
  43 #include <sys/types.h>
  44 #include <sys/stat.h>
  45 #include <fcntl.h>
  46 #include <unistd.h>
  47 #include <subcmd/pager.h>
  48
  49 #include "sane_ctype.h"
  50
  51 static char const               *script_name;
  52 static char const               *generate_script_lang;
  53 static bool                     debug_mode;
  54 static u64                      last_timestamp;
  55 static u64                      nr_unordered;
  56 static bool                     no_callchain;
  57 static bool                     latency_format;
  58 static bool                     system_wide;
  59 static bool                     print_flags;
  60 static bool                     nanosecs;
  61 static const char               *cpu_list;
  62 static DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
  63 static struct perf_stat_config  stat_config;
  64 static int                      max_blocks;
  65
  66 unsigned int scripting_max_stack = PERF_MAX_STACK_DEPTH;
  67
  68 enum perf_output_field {
  69         PERF_OUTPUT_COMM            = 1U << 0,
  70         PERF_OUTPUT_TID             = 1U << 1,
  71         PERF_OUTPUT_PID             = 1U << 2,
  72         PERF_OUTPUT_TIME            = 1U << 3,
  73         PERF_OUTPUT_CPU             = 1U << 4,
  74         PERF_OUTPUT_EVNAME          = 1U << 5,
  75         PERF_OUTPUT_TRACE           = 1U << 6,
  76         PERF_OUTPUT_IP              = 1U << 7,
  77         PERF_OUTPUT_SYM             = 1U << 8,
  78         PERF_OUTPUT_DSO             = 1U << 9,
  79         PERF_OUTPUT_ADDR            = 1U << 10,
  80         PERF_OUTPUT_SYMOFFSET       = 1U << 11,
  81         PERF_OUTPUT_SRCLINE         = 1U << 12,
  82         PERF_OUTPUT_PERIOD          = 1U << 13,
  83         PERF_OUTPUT_IREGS           = 1U << 14,
  84         PERF_OUTPUT_BRSTACK         = 1U << 15,
  85         PERF_OUTPUT_BRSTACKSYM      = 1U << 16,
  86         PERF_OUTPUT_DATA_SRC        = 1U << 17,
  87         PERF_OUTPUT_WEIGHT          = 1U << 18,
  88         PERF_OUTPUT_BPF_OUTPUT      = 1U << 19,
  89         PERF_OUTPUT_CALLINDENT      = 1U << 20,
  90         PERF_OUTPUT_INSN            = 1U << 21,
  91         PERF_OUTPUT_INSNLEN         = 1U << 22,
  92         PERF_OUTPUT_BRSTACKINSN     = 1U << 23,
  93         PERF_OUTPUT_BRSTACKOFF      = 1U << 24,
  94         PERF_OUTPUT_SYNTH           = 1U << 25,
  95         PERF_OUTPUT_PHYS_ADDR       = 1U << 26,
  96         PERF_OUTPUT_UREGS           = 1U << 27,
  97         PERF_OUTPUT_METRIC          = 1U << 28,
  98         PERF_OUTPUT_MISC            = 1U << 29,
  99         PERF_OUTPUT_SRCCODE         = 1U << 30,
 100 };
 101
 102 struct output_option {
 103         const char *str;
 104         enum perf_output_field field;
 105 } all_output_options[] = {
 106         {.str = "comm",  .field = PERF_OUTPUT_COMM},
 107         {.str = "tid",   .field = PERF_OUTPUT_TID},
 108         {.str = "pid",   .field = PERF_OUTPUT_PID},
 109         {.str = "time",  .field = PERF_OUTPUT_TIME},
 110         {.str = "cpu",   .field = PERF_OUTPUT_CPU},
 111         {.str = "event", .field = PERF_OUTPUT_EVNAME},
 112         {.str = "trace", .field = PERF_OUTPUT_TRACE},
 113         {.str = "ip",    .field = PERF_OUTPUT_IP},
 114         {.str = "sym",   .field = PERF_OUTPUT_SYM},
 115         {.str = "dso",   .field = PERF_OUTPUT_DSO},
 116         {.str = "addr",  .field = PERF_OUTPUT_ADDR},
 117         {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET},
 118         {.str = "srcline", .field = PERF_OUTPUT_SRCLINE},
 119         {.str = "period", .field = PERF_OUTPUT_PERIOD},
 120         {.str = "iregs", .field = PERF_OUTPUT_IREGS},
 121         {.str = "uregs", .field = PERF_OUTPUT_UREGS},
 122         {.str = "brstack", .field = PERF_OUTPUT_BRSTACK},
 123         {.str = "brstacksym", .field = PERF_OUTPUT_BRSTACKSYM},
 124         {.str = "data_src", .field = PERF_OUTPUT_DATA_SRC},
 125         {.str = "weight",   .field = PERF_OUTPUT_WEIGHT},
 126         {.str = "bpf-output",   .field = PERF_OUTPUT_BPF_OUTPUT},
 127         {.str = "callindent", .field = PERF_OUTPUT_CALLINDENT},
 128         {.str = "insn", .field = PERF_OUTPUT_INSN},
 129         {.str = "insnlen", .field = PERF_OUTPUT_INSNLEN},
 130         {.str = "brstackinsn", .field = PERF_OUTPUT_BRSTACKINSN},
 131         {.str = "brstackoff", .field = PERF_OUTPUT_BRSTACKOFF},
 132         {.str = "synth", .field = PERF_OUTPUT_SYNTH},
 133         {.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
 134         {.str = "metric", .field = PERF_OUTPUT_METRIC},
 135         {.str = "misc", .field = PERF_OUTPUT_MISC},
 136         {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
 137 };
 138
 139 enum {
 140         OUTPUT_TYPE_SYNTH = PERF_TYPE_MAX,
 141         OUTPUT_TYPE_MAX
 142 };
 143
 144 /* default set to maintain compatibility with current format */
 145 static struct {
 146         bool user_set;
 147         bool wildcard_set;
 148         unsigned int print_ip_opts;
 149         u64 fields;
 150         u64 invalid_fields;
 151 } output[OUTPUT_TYPE_MAX] = {
 152
 153         [PERF_TYPE_HARDWARE] = {
 154                 .user_set = false,
 155
 156                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 157                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 158                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 159                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 160                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 161
 162                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 163         },
 164
 165         [PERF_TYPE_SOFTWARE] = {
 166                 .user_set = false,
 167
 168                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 169                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 170                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 171                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 172                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 173                               PERF_OUTPUT_BPF_OUTPUT,
 174
 175                 .invalid_fields = PERF_OUTPUT_TRACE,
 176         },
 177
 178         [PERF_TYPE_TRACEPOINT] = {
 179                 .user_set = false,
 180
 181                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 182                                   PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 183                                   PERF_OUTPUT_EVNAME | PERF_OUTPUT_TRACE
 184         },
 185
 186         [PERF_TYPE_HW_CACHE] = {
 187                 .user_set = false,
 188
 189                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 190                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 191                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 192                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 193                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 194
 195                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 196         },
 197
 198         [PERF_TYPE_RAW] = {
 199                 .user_set = false,
 200
 201                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 202                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 203                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 204                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 205                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD |
 206                               PERF_OUTPUT_ADDR | PERF_OUTPUT_DATA_SRC |
 207                               PERF_OUTPUT_WEIGHT | PERF_OUTPUT_PHYS_ADDR,
 208
 209                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 210         },
 211
 212         [PERF_TYPE_BREAKPOINT] = {
 213                 .user_set = false,
 214
 215                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 216                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 217                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 218                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 219                               PERF_OUTPUT_DSO | PERF_OUTPUT_PERIOD,
 220
 221                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 222         },
 223
 224         [OUTPUT_TYPE_SYNTH] = {
 225                 .user_set = false,
 226
 227                 .fields = PERF_OUTPUT_COMM | PERF_OUTPUT_TID |
 228                               PERF_OUTPUT_CPU | PERF_OUTPUT_TIME |
 229                               PERF_OUTPUT_EVNAME | PERF_OUTPUT_IP |
 230                               PERF_OUTPUT_SYM | PERF_OUTPUT_SYMOFFSET |
 231                               PERF_OUTPUT_DSO | PERF_OUTPUT_SYNTH,
 232
 233                 .invalid_fields = PERF_OUTPUT_TRACE | PERF_OUTPUT_BPF_OUTPUT,
 234         },
 235 };
 236
 237 struct perf_evsel_script {
 238        char *filename;
 239        FILE *fp;
 240        u64  samples;
 241        /* For metric output */
 242        u64  val;
 243        int  gnum;
 244 };
 245
 246 static inline struct perf_evsel_script *evsel_script(struct perf_evsel *evsel)
 247 {
 248         return (struct perf_evsel_script *)evsel->priv;
 249 }
 250
 251 static struct perf_evsel_script *perf_evsel_script__new(struct perf_evsel *evsel,
 252                                                         struct perf_data *data)
 253 {
 254         struct perf_evsel_script *es = zalloc(sizeof(*es));
 255
 256         if (es != NULL) {
 257                 if (asprintf(&es->filename, "%s.%s.dump", data->file.path, perf_evsel__name(evsel)) < 0)
 258                         goto out_free;
 259                 es->fp = fopen(es->filename, "w");
 260                 if (es->fp == NULL)
 261                         goto out_free_filename;
 262         }
 263
 264         return es;
 265 out_free_filename:
 266         zfree(&es->filename);
 267 out_free:
 268         free(es);
 269         return NULL;
 270 }
 271
 272 static void perf_evsel_script__delete(struct perf_evsel_script *es)
 273 {
 274         zfree(&es->filename);
 275         fclose(es->fp);
 276         es->fp = NULL;
 277         free(es);
 278 }
 279
 280 static int perf_evsel_script__fprintf(struct perf_evsel_script *es, FILE *fp)
 281 {
 282         struct stat st;
 283
 284         fstat(fileno(es->fp), &st);
 285         return fprintf(fp, "[ perf script: Wrote %.3f MB %s (%" PRIu64 " samples) ]\n",
 286                        st.st_size / 1024.0 / 1024.0, es->filename, es->samples);
 287 }
 288
 289 static inline int output_type(unsigned int type)
 290 {
 291         switch (type) {
 292         case PERF_TYPE_SYNTH:
 293                 return OUTPUT_TYPE_SYNTH;
 294         default:
 295                 return type;
 296         }
 297 }
 298
 299 static inline unsigned int attr_type(unsigned int type)
 300 {
 301         switch (type) {
 302         case OUTPUT_TYPE_SYNTH:
 303                 return PERF_TYPE_SYNTH;
 304         default:
 305                 return type;
 306         }
 307 }
 308
 309 static bool output_set_by_user(void)
 310 {
 311         int j;
 312         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 313                 if (output[j].user_set)
 314                         return true;
 315         }
 316         return false;
 317 }
 318
 319 static const char *output_field2str(enum perf_output_field field)
 320 {
 321         int i, imax = ARRAY_SIZE(all_output_options);
 322         const char *str = "";
 323
 324         for (i = 0; i < imax; ++i) {
 325                 if (all_output_options[i].field == field) {
 326                         str = all_output_options[i].str;
 327                         break;
 328                 }
 329         }
 330         return str;
 331 }
 332
 333 #define PRINT_FIELD(x)  (output[output_type(attr->type)].fields & PERF_OUTPUT_##x)
 334
 335 static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
 336                                       u64 sample_type, const char *sample_msg,
 337                                       enum perf_output_field field,
 338                                       bool allow_user_set)
 339 {
 340         struct perf_event_attr *attr = &evsel->attr;
 341         int type = output_type(attr->type);
 342         const char *evname;
 343
 344         if (attr->sample_type & sample_type)
 345                 return 0;
 346
 347         if (output[type].user_set) {
 348                 if (allow_user_set)
 349                         return 0;
 350                 evname = perf_evsel__name(evsel);
 351                 pr_err("Samples for '%s' event do not have %s attribute set. "
 352                        "Cannot print '%s' field.\n",
 353                        evname, sample_msg, output_field2str(field));
 354                 return -1;
 355         }
 356
 357         /* user did not ask for it explicitly so remove from the default list */
 358         output[type].fields &= ~field;
 359         evname = perf_evsel__name(evsel);
 360         pr_debug("Samples for '%s' event do not have %s attribute set. "
 361                  "Skipping '%s' field.\n",
 362                  evname, sample_msg, output_field2str(field));
 363
 364         return 0;
 365 }
 366
 367 static int perf_evsel__check_stype(struct perf_evsel *evsel,
 368                                    u64 sample_type, const char *sample_msg,
 369                                    enum perf_output_field field)
 370 {
 371         return perf_evsel__do_check_stype(evsel, sample_type, sample_msg, field,
 372                                           false);
 373 }
 374
 375 static int perf_evsel__check_attr(struct perf_evsel *evsel,
 376                                   struct perf_session *session)
 377 {
 378         struct perf_event_attr *attr = &evsel->attr;
 379         bool allow_user_set;
 380
 381         if (perf_header__has_feat(&session->header, HEADER_STAT))
 382                 return 0;
 383
 384         allow_user_set = perf_header__has_feat(&session->header,
 385                                                HEADER_AUXTRACE);
 386
 387         if (PRINT_FIELD(TRACE) &&
 388                 !perf_session__has_traces(session, "record -R"))
 389                 return -EINVAL;
 390
 391         if (PRINT_FIELD(IP)) {
 392                 if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP",
 393                                             PERF_OUTPUT_IP))
 394                         return -EINVAL;
 395         }
 396
 397         if (PRINT_FIELD(ADDR) &&
 398                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_ADDR, "ADDR",
 399                                            PERF_OUTPUT_ADDR, allow_user_set))
 400                 return -EINVAL;
 401
 402         if (PRINT_FIELD(DATA_SRC) &&
 403                 perf_evsel__check_stype(evsel, PERF_SAMPLE_DATA_SRC, "DATA_SRC",
 404                                         PERF_OUTPUT_DATA_SRC))
 405                 return -EINVAL;
 406
 407         if (PRINT_FIELD(WEIGHT) &&
 408                 perf_evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT, "WEIGHT",
 409                                         PERF_OUTPUT_WEIGHT))
 410                 return -EINVAL;
 411
 412         if (PRINT_FIELD(SYM) &&
 413                 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 414                 pr_err("Display of symbols requested but neither sample IP nor "
 415                            "sample address\navailable. Hence, no addresses to convert "
 416                        "to symbols.\n");
 417                 return -EINVAL;
 418         }
 419         if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) {
 420                 pr_err("Display of offsets requested but symbol is not"
 421                        "selected.\n");
 422                 return -EINVAL;
 423         }
 424         if (PRINT_FIELD(DSO) &&
 425                 !(evsel->attr.sample_type & (PERF_SAMPLE_IP|PERF_SAMPLE_ADDR))) {
 426                 pr_err("Display of DSO requested but no address to convert.\n");
 427                 return -EINVAL;
 428         }
 429         if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
 430                 pr_err("Display of source line number requested but sample IP is not\n"
 431                        "selected. Hence, no address to lookup the source line number.\n");
 432                 return -EINVAL;
 433         }
 434         if (PRINT_FIELD(BRSTACKINSN) &&
 435             !(perf_evlist__combined_branch_type(session->evlist) &
 436               PERF_SAMPLE_BRANCH_ANY)) {
 437                 pr_err("Display of branch stack assembler requested, but non all-branch filter set\n"
 438                        "Hint: run 'perf record -b ...'\n");
 439                 return -EINVAL;
 440         }
 441         if ((PRINT_FIELD(PID) || PRINT_FIELD(TID)) &&
 442                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TID, "TID",
 443                                         PERF_OUTPUT_TID|PERF_OUTPUT_PID))
 444                 return -EINVAL;
 445
 446         if (PRINT_FIELD(TIME) &&
 447                 perf_evsel__check_stype(evsel, PERF_SAMPLE_TIME, "TIME",
 448                                         PERF_OUTPUT_TIME))
 449                 return -EINVAL;
 450
 451         if (PRINT_FIELD(CPU) &&
 452                 perf_evsel__do_check_stype(evsel, PERF_SAMPLE_CPU, "CPU",
 453                                            PERF_OUTPUT_CPU, allow_user_set))
 454                 return -EINVAL;
 455
 456         if (PRINT_FIELD(IREGS) &&
 457                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_INTR, "IREGS",
 458                                         PERF_OUTPUT_IREGS))
 459                 return -EINVAL;
 460
 461         if (PRINT_FIELD(UREGS) &&
 462                 perf_evsel__check_stype(evsel, PERF_SAMPLE_REGS_USER, "UREGS",
 463                                         PERF_OUTPUT_UREGS))
 464                 return -EINVAL;
 465
 466         if (PRINT_FIELD(PHYS_ADDR) &&
 467                 perf_evsel__check_stype(evsel, PERF_SAMPLE_PHYS_ADDR, "PHYS_ADDR",
 468                                         PERF_OUTPUT_PHYS_ADDR))
 469                 return -EINVAL;
 470
 471         return 0;
 472 }
 473
 474 static void set_print_ip_opts(struct perf_event_attr *attr)
 475 {
 476         unsigned int type = output_type(attr->type);
 477
 478         output[type].print_ip_opts = 0;
 479         if (PRINT_FIELD(IP))
 480                 output[type].print_ip_opts |= EVSEL__PRINT_IP;
 481
 482         if (PRINT_FIELD(SYM))
 483                 output[type].print_ip_opts |= EVSEL__PRINT_SYM;
 484
 485         if (PRINT_FIELD(DSO))
 486                 output[type].print_ip_opts |= EVSEL__PRINT_DSO;
 487
 488         if (PRINT_FIELD(SYMOFFSET))
 489                 output[type].print_ip_opts |= EVSEL__PRINT_SYMOFFSET;
 490
 491         if (PRINT_FIELD(SRCLINE))
 492                 output[type].print_ip_opts |= EVSEL__PRINT_SRCLINE;
 493 }
 494
 495 /*
 496  * verify all user requested events exist and the samples
 497  * have the expected data
 498  */
 499 static int perf_session__check_output_opt(struct perf_session *session)
 500 {
 501         unsigned int j;
 502         struct perf_evsel *evsel;
 503
 504         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
 505                 evsel = perf_session__find_first_evtype(session, attr_type(j));
 506
 507                 /*
 508                  * even if fields is set to 0 (ie., show nothing) event must
 509                  * exist if user explicitly includes it on the command line
 510                  */
 511                 if (!evsel && output[j].user_set && !output[j].wildcard_set &&
 512                     j != OUTPUT_TYPE_SYNTH) {
 513                         pr_err("%s events do not exist. "
 514                                "Remove corresponding -F option to proceed.\n",
 515                                event_type(j));
 516                         return -1;
 517                 }
 518
 519                 if (evsel && output[j].fields &&
 520                         perf_evsel__check_attr(evsel, session))
 521                         return -1;
 522
 523                 if (evsel == NULL)
 524                         continue;
 525
 526                 set_print_ip_opts(&evsel->attr);
 527         }
 528
 529         if (!no_callchain) {
 530                 bool use_callchain = false;
 531                 bool not_pipe = false;
 532
 533                 evlist__for_each_entry(session->evlist, evsel) {
 534                         not_pipe = true;
 535                         if (evsel__has_callchain(evsel)) {
 536                                 use_callchain = true;
 537                                 break;
 538                         }
 539                 }
 540                 if (not_pipe && !use_callchain)
 541                         symbol_conf.use_callchain = false;
 542         }
 543
 544         /*
 545          * set default for tracepoints to print symbols only
 546          * if callchains are present
 547          */
 548         if (symbol_conf.use_callchain &&
 549             !output[PERF_TYPE_TRACEPOINT].user_set) {
 550                 j = PERF_TYPE_TRACEPOINT;
 551
 552                 evlist__for_each_entry(session->evlist, evsel) {
 553                         if (evsel->attr.type != j)
 554                                 continue;
 555
 556                         if (evsel__has_callchain(evsel)) {
 557                                 output[j].fields |= PERF_OUTPUT_IP;
 558                                 output[j].fields |= PERF_OUTPUT_SYM;
 559                                 output[j].fields |= PERF_OUTPUT_SYMOFFSET;
 560                                 output[j].fields |= PERF_OUTPUT_DSO;
 561                                 set_print_ip_opts(&evsel->attr);
 562                                 goto out;
 563                         }
 564                 }
 565         }
 566
 567 out:
 568         return 0;
 569 }
 570
 571 static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
 572                                      FILE *fp
 573 )
 574 {
 575         unsigned i = 0, r;
 576         int printed = 0;
 577
 578         if (!regs || !regs->regs)
 579                 return 0;
 580
 581         printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
 582
 583         for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
 584                 u64 val = regs->regs[i++];
 585                 printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
 586         }
 587
 588         fprintf(fp, "\n");
 589
 590         return printed;
 591 }
 592
 593 static int perf_sample__fprintf_iregs(struct perf_sample *sample,
 594                                       struct perf_event_attr *attr, FILE *fp)
 595 {
 596         return perf_sample__fprintf_regs(&sample->intr_regs,
 597                                          attr->sample_regs_intr, fp);
 598 }
 599
 600 static int perf_sample__fprintf_uregs(struct perf_sample *sample,
 601                                       struct perf_event_attr *attr, FILE *fp)
 602 {
 603         return perf_sample__fprintf_regs(&sample->user_regs,
 604                                          attr->sample_regs_user, fp);
 605 }
 606
 607 static int perf_sample__fprintf_start(struct perf_sample *sample,
 608                                       struct thread *thread,
 609                                       struct perf_evsel *evsel,
 610                                       u32 type, FILE *fp)
 611 {
 612         struct perf_event_attr *attr = &evsel->attr;
 613         unsigned long secs;
 614         unsigned long long nsecs;
 615         int printed = 0;
 616
 617         if (PRINT_FIELD(COMM)) {
 618                 if (latency_format)
 619                         printed += fprintf(fp, "%8.8s ", thread__comm_str(thread));
 620                 else if (PRINT_FIELD(IP) && evsel__has_callchain(evsel) && symbol_conf.use_callchain)
 621                         printed += fprintf(fp, "%s ", thread__comm_str(thread));
 622                 else
 623                         printed += fprintf(fp, "%16s ", thread__comm_str(thread));
 624         }
 625
 626         if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
 627                 printed += fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
 628         else if (PRINT_FIELD(PID))
 629                 printed += fprintf(fp, "%5d ", sample->pid);
 630         else if (PRINT_FIELD(TID))
 631                 printed += fprintf(fp, "%5d ", sample->tid);
 632
 633         if (PRINT_FIELD(CPU)) {
 634                 if (latency_format)
 635                         printed += fprintf(fp, "%3d ", sample->cpu);
 636                 else
 637                         printed += fprintf(fp, "[%03d] ", sample->cpu);
 638         }
 639
 640         if (PRINT_FIELD(MISC)) {
 641                 int ret = 0;
 642
 643                 #define has(m) \
 644                         (sample->misc & PERF_RECORD_MISC_##m) == PERF_RECORD_MISC_##m
 645
 646                 if (has(KERNEL))
 647                         ret += fprintf(fp, "K");
 648                 if (has(USER))
 649                         ret += fprintf(fp, "U");
 650                 if (has(HYPERVISOR))
 651                         ret += fprintf(fp, "H");
 652                 if (has(GUEST_KERNEL))
 653                         ret += fprintf(fp, "G");
 654                 if (has(GUEST_USER))
 655                         ret += fprintf(fp, "g");
 656
 657                 switch (type) {
 658                 case PERF_RECORD_MMAP:
 659                 case PERF_RECORD_MMAP2:
 660                         if (has(MMAP_DATA))
 661                                 ret += fprintf(fp, "M");
 662                         break;
 663                 case PERF_RECORD_COMM:
 664                         if (has(COMM_EXEC))
 665                                 ret += fprintf(fp, "E");
 666                         break;
 667                 case PERF_RECORD_SWITCH:
 668                 case PERF_RECORD_SWITCH_CPU_WIDE:
 669                         if (has(SWITCH_OUT)) {
 670                                 ret += fprintf(fp, "S");
 671                                 if (sample->misc & PERF_RECORD_MISC_SWITCH_OUT_PREEMPT)
 672                                         ret += fprintf(fp, "p");
 673                         }
 674                 default:
 675                         break;
 676                 }
 677
 678                 #undef has
 679
 680                 ret += fprintf(fp, "%*s", 6 - ret, " ");
 681                 printed += ret;
 682         }
 683
 684         if (PRINT_FIELD(TIME)) {
 685                 nsecs = sample->time;
 686                 secs = nsecs / NSEC_PER_SEC;
 687                 nsecs -= secs * NSEC_PER_SEC;
 688
 689                 if (nanosecs)
 690                         printed += fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
 691                 else {
 692                         char sample_time[32];
 693                         timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
 694                         printed += fprintf(fp, "%12s: ", sample_time);
 695                 }
 696         }
 697
 698         return printed;
 699 }
 700
 701 static inline char
 702 mispred_str(struct branch_entry *br)
 703 {
 704         if (!(br->flags.mispred  || br->flags.predicted))
 705                 return '-';
 706
 707         return br->flags.predicted ? 'P' : 'M';
 708 }
 709
 710 static int perf_sample__fprintf_brstack(struct perf_sample *sample,
 711                                         struct thread *thread,
 712                                         struct perf_event_attr *attr, FILE *fp)
 713 {
 714         struct branch_stack *br = sample->branch_stack;
 715         struct addr_location alf, alt;
 716         u64 i, from, to;
 717         int printed = 0;
 718
 719         if (!(br && br->nr))
 720                 return 0;
 721
 722         for (i = 0; i < br->nr; i++) {
 723                 from = br->entries[i].from;
 724                 to   = br->entries[i].to;
 725
 726                 if (PRINT_FIELD(DSO)) {
 727                         memset(&alf, 0, sizeof(alf));
 728                         memset(&alt, 0, sizeof(alt));
 729                         thread__find_map_fb(thread, sample->cpumode, from, &alf);
 730                         thread__find_map_fb(thread, sample->cpumode, to, &alt);
 731                 }
 732
 733                 printed += fprintf(fp, " 0x%"PRIx64, from);
 734                 if (PRINT_FIELD(DSO)) {
 735                         printed += fprintf(fp, "(");
 736                         printed += map__fprintf_dsoname(alf.map, fp);
 737                         printed += fprintf(fp, ")");
 738                 }
 739
 740                 printed += fprintf(fp, "/0x%"PRIx64, to);
 741                 if (PRINT_FIELD(DSO)) {
 742                         printed += fprintf(fp, "(");
 743                         printed += map__fprintf_dsoname(alt.map, fp);
 744                         printed += fprintf(fp, ")");
 745                 }
 746
 747                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 748                         mispred_str( br->entries + i),
 749                         br->entries[i].flags.in_tx? 'X' : '-',
 750                         br->entries[i].flags.abort? 'A' : '-',
 751                         br->entries[i].flags.cycles);
 752         }
 753
 754         return printed;
 755 }
 756
 757 static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
 758                                            struct thread *thread,
 759                                            struct perf_event_attr *attr, FILE *fp)
 760 {
 761         struct branch_stack *br = sample->branch_stack;
 762         struct addr_location alf, alt;
 763         u64 i, from, to;
 764         int printed = 0;
 765
 766         if (!(br && br->nr))
 767                 return 0;
 768
 769         for (i = 0; i < br->nr; i++) {
 770
 771                 memset(&alf, 0, sizeof(alf));
 772                 memset(&alt, 0, sizeof(alt));
 773                 from = br->entries[i].from;
 774                 to   = br->entries[i].to;
 775
 776                 thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
 777                 thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
 778
 779                 printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
 780                 if (PRINT_FIELD(DSO)) {
 781                         printed += fprintf(fp, "(");
 782                         printed += map__fprintf_dsoname(alf.map, fp);
 783                         printed += fprintf(fp, ")");
 784                 }
 785                 printed += fprintf(fp, "%c", '/');
 786                 printed += symbol__fprintf_symname_offs(alt.sym, &alt, fp);
 787                 if (PRINT_FIELD(DSO)) {
 788                         printed += fprintf(fp, "(");
 789                         printed += map__fprintf_dsoname(alt.map, fp);
 790                         printed += fprintf(fp, ")");
 791                 }
 792                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 793                         mispred_str( br->entries + i),
 794                         br->entries[i].flags.in_tx? 'X' : '-',
 795                         br->entries[i].flags.abort? 'A' : '-',
 796                         br->entries[i].flags.cycles);
 797         }
 798
 799         return printed;
 800 }
 801
 802 static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
 803                                            struct thread *thread,
 804                                            struct perf_event_attr *attr, FILE *fp)
 805 {
 806         struct branch_stack *br = sample->branch_stack;
 807         struct addr_location alf, alt;
 808         u64 i, from, to;
 809         int printed = 0;
 810
 811         if (!(br && br->nr))
 812                 return 0;
 813
 814         for (i = 0; i < br->nr; i++) {
 815
 816                 memset(&alf, 0, sizeof(alf));
 817                 memset(&alt, 0, sizeof(alt));
 818                 from = br->entries[i].from;
 819                 to   = br->entries[i].to;
 820
 821                 if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
 822                     !alf.map->dso->adjust_symbols)
 823                         from = map__map_ip(alf.map, from);
 824
 825                 if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
 826                     !alt.map->dso->adjust_symbols)
 827                         to = map__map_ip(alt.map, to);
 828
 829                 printed += fprintf(fp, " 0x%"PRIx64, from);
 830                 if (PRINT_FIELD(DSO)) {
 831                         printed += fprintf(fp, "(");
 832                         printed += map__fprintf_dsoname(alf.map, fp);
 833                         printed += fprintf(fp, ")");
 834                 }
 835                 printed += fprintf(fp, "/0x%"PRIx64, to);
 836                 if (PRINT_FIELD(DSO)) {
 837                         printed += fprintf(fp, "(");
 838                         printed += map__fprintf_dsoname(alt.map, fp);
 839                         printed += fprintf(fp, ")");
 840                 }
 841                 printed += fprintf(fp, "/%c/%c/%c/%d ",
 842                         mispred_str(br->entries + i),
 843                         br->entries[i].flags.in_tx ? 'X' : '-',
 844                         br->entries[i].flags.abort ? 'A' : '-',
 845                         br->entries[i].flags.cycles);
 846         }
 847
 848         return printed;
 849 }
 850 #define MAXBB 16384UL
 851
 852 static int grab_bb(u8 *buffer, u64 start, u64 end,
 853                     struct machine *machine, struct thread *thread,
 854                     bool *is64bit, u8 *cpumode, bool last)
 855 {
 856         long offset, len;
 857         struct addr_location al;
 858         bool kernel;
 859
 860         if (!start || !end)
 861                 return 0;
 862
 863         kernel = machine__kernel_ip(machine, start);
 864         if (kernel)
 865                 *cpumode = PERF_RECORD_MISC_KERNEL;
 866         else
 867                 *cpumode = PERF_RECORD_MISC_USER;
 868
 869         /*
 870          * Block overlaps between kernel and user.
 871          * This can happen due to ring filtering
 872          * On Intel CPUs the entry into the kernel is filtered,
 873          * but the exit is not. Let the caller patch it up.
 874          */
 875         if (kernel != machine__kernel_ip(machine, end)) {
 876                 pr_debug("\tblock %" PRIx64 "-%" PRIx64 " transfers between kernel and user\n", start, end);
 877                 return -ENXIO;
 878         }
 879
 880         memset(&al, 0, sizeof(al));
 881         if (end - start > MAXBB - MAXINSN) {
 882                 if (last)
 883                         pr_debug("\tbrstack does not reach to final jump (%" PRIx64 "-%" PRIx64 ")\n", start, end);
 884                 else
 885                         pr_debug("\tblock %" PRIx64 "-%" PRIx64 " (%" PRIu64 ") too long to dump\n", start, end, end - start);
 886                 return 0;
 887         }
 888
 889         if (!thread__find_map(thread, *cpumode, start, &al) || !al.map->dso) {
 890                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 891                 return 0;
 892         }
 893         if (al.map->dso->data.status == DSO_DATA_STATUS_ERROR) {
 894                 pr_debug("\tcannot resolve %" PRIx64 "-%" PRIx64 "\n", start, end);
 895                 return 0;
 896         }
 897
 898         /* Load maps to ensure dso->is_64_bit has been updated */
 899         map__load(al.map);
 900
 901         offset = al.map->map_ip(al.map, start);
 902         len = dso__data_read_offset(al.map->dso, machine, offset, (u8 *)buffer,
 903                                     end - start + MAXINSN);
 904
 905         *is64bit = al.map->dso->is_64_bit;
 906         if (len <= 0)
 907                 pr_debug("\tcannot fetch code for block at %" PRIx64 "-%" PRIx64 "\n",
 908                         start, end);
 909         return len;
 910 }
 911
 912 static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
 913 {
 914         struct addr_location al;
 915         int ret = 0;
 916
 917         memset(&al, 0, sizeof(al));
 918         thread__find_map(thread, cpumode, addr, &al);
 919         if (!al.map)
 920                 return 0;
 921         ret = map__fprintf_srccode(al.map, al.addr, stdout,
 922                     &thread->srccode_state);
 923         if (ret)
 924                 ret += printf("\n");
 925         return ret;
 926 }
 927
 928 static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
 929                             struct perf_insn *x, u8 *inbuf, int len,
 930                             int insn, FILE *fp, int *total_cycles)
 931 {
 932         int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
 933                               dump_insn(x, ip, inbuf, len, NULL),
 934                               en->flags.predicted ? " PRED" : "",
 935                               en->flags.mispred ? " MISPRED" : "",
 936                               en->flags.in_tx ? " INTX" : "",
 937                               en->flags.abort ? " ABORT" : "");
 938         if (en->flags.cycles) {
 939                 *total_cycles += en->flags.cycles;
 940                 printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
 941                 if (insn)
 942                         printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
 943         }
 944         return printed + fprintf(fp, "\n");
 945 }
 946
 947 static int ip__fprintf_sym(uint64_t addr, struct thread *thread,
 948                            u8 cpumode, int cpu, struct symbol **lastsym,
 949                            struct perf_event_attr *attr, FILE *fp)
 950 {
 951         struct addr_location al;
 952         int off, printed = 0;
 953
 954         memset(&al, 0, sizeof(al));
 955
 956         thread__find_map(thread, cpumode, addr, &al);
 957
 958         if ((*lastsym) && al.addr >= (*lastsym)->start && al.addr < (*lastsym)->end)
 959                 return 0;
 960
 961         al.cpu = cpu;
 962         al.sym = NULL;
 963         if (al.map)
 964                 al.sym = map__find_symbol(al.map, al.addr);
 965
 966         if (!al.sym)
 967                 return 0;
 968
 969         if (al.addr < al.sym->end)
 970                 off = al.addr - al.sym->start;
 971         else
 972                 off = al.addr - al.map->start - al.sym->start;
 973         printed += fprintf(fp, "\t%s", al.sym->name);
 974         if (off)
 975                 printed += fprintf(fp, "%+d", off);
 976         printed += fprintf(fp, ":");
 977         if (PRINT_FIELD(SRCLINE))
 978                 printed += map__fprintf_srcline(al.map, al.addr, "\t", fp);
 979         printed += fprintf(fp, "\n");
 980         *lastsym = al.sym;
 981
 982         return printed;
 983 }
 984
 985 static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
 986                                             struct thread *thread,
 987                                             struct perf_event_attr *attr,
 988                                             struct machine *machine, FILE *fp)
 989 {
 990         struct branch_stack *br = sample->branch_stack;
 991         u64 start, end;
 992         int i, insn, len, nr, ilen, printed = 0;
 993         struct perf_insn x;
 994         u8 buffer[MAXBB];
 995         unsigned off;
 996         struct symbol *lastsym = NULL;
 997         int total_cycles = 0;
 998
 999         if (!(br && br->nr))
1000                 return 0;
1001         nr = br->nr;
1002         if (max_blocks && nr > max_blocks + 1)
1003                 nr = max_blocks + 1;
1004
1005         x.thread = thread;
1006         x.cpu = sample->cpu;
1007
1008         printed += fprintf(fp, "%c", '\n');
1009
1010         /* Handle first from jump, of which we don't know the entry. */
1011         len = grab_bb(buffer, br->entries[nr-1].from,
1012                         br->entries[nr-1].from,
1013                         machine, thread, &x.is64bit, &x.cpumode, false);
1014         if (len > 0) {
1015                 printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
1016                                            x.cpumode, x.cpu, &lastsym, attr, fp);
1017                 printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
1018                                             &x, buffer, len, 0, fp, &total_cycles);
1019                 if (PRINT_FIELD(SRCCODE))
1020                         printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from);
1021         }
1022
1023         /* Print all blocks */
1024         for (i = nr - 2; i >= 0; i--) {
1025                 if (br->entries[i].from || br->entries[i].to)
1026                         pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
1027                                  br->entries[i].from,
1028                                  br->entries[i].to);
1029                 start = br->entries[i + 1].to;
1030                 end   = br->entries[i].from;
1031
1032                 len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1033                 /* Patch up missing kernel transfers due to ring filters */
1034                 if (len == -ENXIO && i > 0) {
1035                         end = br->entries[--i].from;
1036                         pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
1037                         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
1038                 }
1039                 if (len <= 0)
1040                         continue;
1041
1042                 insn = 0;
1043                 for (off = 0;; off += ilen) {
1044                         uint64_t ip = start + off;
1045
1046                         printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1047                         if (ip == end) {
1048                                 printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp,
1049                                                             &total_cycles);
1050                                 if (PRINT_FIELD(SRCCODE))
1051                                         printed += print_srccode(thread, x.cpumode, ip);
1052                                 break;
1053                         } else {
1054                                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
1055                                                    dump_insn(&x, ip, buffer + off, len - off, &ilen));
1056                                 if (ilen == 0)
1057                                         break;
1058                                 if (PRINT_FIELD(SRCCODE))
1059                                         print_srccode(thread, x.cpumode, ip);
1060                                 insn++;
1061                         }
1062                 }
1063         }
1064
1065         /*
1066          * Hit the branch? In this case we are already done, and the target
1067          * has not been executed yet.
1068          */
1069         if (br->entries[0].from == sample->ip)
1070                 goto out;
1071         if (br->entries[0].flags.abort)
1072                 goto out;
1073
1074         /*
1075          * Print final block upto sample
1076          *
1077          * Due to pipeline delays the LBRs might be missing a branch
1078          * or two, which can result in very large or negative blocks
1079          * between final branch and sample. When this happens just
1080          * continue walking after the last TO until we hit a branch.
1081          */
1082         start = br->entries[0].to;
1083         end = sample->ip;
1084         if (end < start) {
1085                 /* Missing jump. Scan 128 bytes for the next branch */
1086                 end = start + 128;
1087         }
1088         len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
1089         printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
1090         if (len <= 0) {
1091                 /* Print at least last IP if basic block did not work */
1092                 len = grab_bb(buffer, sample->ip, sample->ip,
1093                               machine, thread, &x.is64bit, &x.cpumode, false);
1094                 if (len <= 0)
1095                         goto out;
1096                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
1097                         dump_insn(&x, sample->ip, buffer, len, NULL));
1098                 if (PRINT_FIELD(SRCCODE))
1099                         print_srccode(thread, x.cpumode, sample->ip);
1100                 goto out;
1101         }
1102         for (off = 0; off <= end - start; off += ilen) {
1103                 printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
1104                                    dump_insn(&x, start + off, buffer + off, len - off, &ilen));
1105                 if (ilen == 0)
1106                         break;
1107                 if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
1108                         /*
1109                          * Hit a missing branch. Just stop.
1110                          */
1111                         printed += fprintf(fp, "\t... not reaching sample ...\n");
1112                         break;
1113                 }
1114                 if (PRINT_FIELD(SRCCODE))
1115                         print_srccode(thread, x.cpumode, start + off);
1116         }
1117 out:
1118         return printed;
1119 }
1120
1121 static int perf_sample__fprintf_addr(struct perf_sample *sample,
1122                                      struct thread *thread,
1123                                      struct perf_event_attr *attr, FILE *fp)
1124 {
1125         struct addr_location al;
1126         int printed = fprintf(fp, "%16" PRIx64, sample->addr);
1127
1128         if (!sample_addr_correlates_sym(attr))
1129                 goto out;
1130
1131         thread__resolve(thread, &al, sample);
1132
1133         if (PRINT_FIELD(SYM)) {
1134                 printed += fprintf(fp, " ");
1135                 if (PRINT_FIELD(SYMOFFSET))
1136                         printed += symbol__fprintf_symname_offs(al.sym, &al, fp);
1137                 else
1138                         printed += symbol__fprintf_symname(al.sym, fp);
1139         }
1140
1141         if (PRINT_FIELD(DSO)) {
1142                 printed += fprintf(fp, " (");
1143                 printed += map__fprintf_dsoname(al.map, fp);
1144                 printed += fprintf(fp, ")");
1145         }
1146 out:
1147         return printed;
1148 }
1149
1150 static const char *resolve_branch_sym(struct perf_sample *sample,
1151                                       struct perf_evsel *evsel,
1152                                       struct thread *thread,
1153                                       struct addr_location *al,
1154                                       u64 *ip)
1155 {
1156         struct addr_location addr_al;
1157         struct perf_event_attr *attr = &evsel->attr;
1158         const char *name = NULL;
1159
1160         if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
1161                 if (sample_addr_correlates_sym(attr)) {
1162                         thread__resolve(thread, &addr_al, sample);
1163                         if (addr_al.sym)
1164                                 name = addr_al.sym->name;
1165                         else
1166                                 *ip = sample->addr;
1167                 } else {
1168                         *ip = sample->addr;
1169                 }
1170         } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
1171                 if (al->sym)
1172                         name = al->sym->name;
1173                 else
1174                         *ip = sample->ip;
1175         }
1176         return name;
1177 }
1178
1179 static int perf_sample__fprintf_callindent(struct perf_sample *sample,
1180                                            struct perf_evsel *evsel,
1181                                            struct thread *thread,
1182                                            struct addr_location *al, FILE *fp)
1183 {
1184         struct perf_event_attr *attr = &evsel->attr;
1185         size_t depth = thread_stack__depth(thread, sample->cpu);
1186         const char *name = NULL;
1187         static int spacing;
1188         int len = 0;
1189         int dlen = 0;
1190         u64 ip = 0;
1191
1192         /*
1193          * The 'return' has already been popped off the stack so the depth has
1194          * to be adjusted to match the 'call'.
1195          */
1196         if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
1197                 depth += 1;
1198
1199         name = resolve_branch_sym(sample, evsel, thread, al, &ip);
1200
1201         if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
1202                 dlen += fprintf(fp, "(");
1203                 dlen += map__fprintf_dsoname(al->map, fp);
1204                 dlen += fprintf(fp, ")\t");
1205         }
1206
1207         if (name)
1208                 len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
1209         else if (ip)
1210                 len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
1211
1212         if (len < 0)
1213                 return len;
1214
1215         /*
1216          * Try to keep the output length from changing frequently so that the
1217          * output lines up more nicely.
1218          */
1219         if (len > spacing || (len && len < spacing - 52))
1220                 spacing = round_up(len + 4, 32);
1221
1222         if (len < spacing)
1223                 len += fprintf(fp, "%*s", spacing - len, "");
1224
1225         return len + dlen;
1226 }
1227
1228 static int perf_sample__fprintf_insn(struct perf_sample *sample,
1229                                      struct perf_event_attr *attr,
1230                                      struct thread *thread,
1231                                      struct machine *machine, FILE *fp)
1232 {
1233         int printed = 0;
1234
1235         if (PRINT_FIELD(INSNLEN))
1236                 printed += fprintf(fp, " ilen: %d", sample->insn_len);
1237         if (PRINT_FIELD(INSN)) {
1238                 int i;
1239
1240                 printed += fprintf(fp, " insn:");
1241                 for (i = 0; i < sample->insn_len; i++)
1242                         printed += fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
1243         }
1244         if (PRINT_FIELD(BRSTACKINSN))
1245                 printed += perf_sample__fprintf_brstackinsn(sample, thread, attr, machine, fp);
1246
1247         return printed;
1248 }
1249
1250 static int perf_sample__fprintf_bts(struct perf_sample *sample,
1251                                     struct perf_evsel *evsel,
1252                                     struct thread *thread,
1253                                     struct addr_location *al,
1254                                     struct machine *machine, FILE *fp)
1255 {
1256         struct perf_event_attr *attr = &evsel->attr;
1257         unsigned int type = output_type(attr->type);
1258         bool print_srcline_last = false;
1259         int printed = 0;
1260
1261         if (PRINT_FIELD(CALLINDENT))
1262                 printed += perf_sample__fprintf_callindent(sample, evsel, thread, al, fp);
1263
1264         /* print branch_from information */
1265         if (PRINT_FIELD(IP)) {
1266                 unsigned int print_opts = output[type].print_ip_opts;
1267                 struct callchain_cursor *cursor = NULL;
1268
1269                 if (symbol_conf.use_callchain && sample->callchain &&
1270                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1271                                               sample, NULL, NULL, scripting_max_stack) == 0)
1272                         cursor = &callchain_cursor;
1273
1274                 if (cursor == NULL) {
1275                         printed += fprintf(fp, " ");
1276                         if (print_opts & EVSEL__PRINT_SRCLINE) {
1277                                 print_srcline_last = true;
1278                                 print_opts &= ~EVSEL__PRINT_SRCLINE;
1279                         }
1280                 } else
1281                         printed += fprintf(fp, "\n");
1282
1283                 printed += sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
1284         }
1285
1286         /* print branch_to information */
1287         if (PRINT_FIELD(ADDR) ||
1288             ((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
1289              !output[type].user_set)) {
1290                 printed += fprintf(fp, " => ");
1291                 printed += perf_sample__fprintf_addr(sample, thread, attr, fp);
1292         }
1293
1294         if (print_srcline_last)
1295                 printed += map__fprintf_srcline(al->map, al->addr, "\n  ", fp);
1296
1297         printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1298         printed += fprintf(fp, "\n");
1299         if (PRINT_FIELD(SRCCODE)) {
1300                 int ret = map__fprintf_srccode(al->map, al->addr, stdout,
1301                                          &thread->srccode_state);
1302                 if (ret) {
1303                         printed += ret;
1304                         printed += printf("\n");
1305                 }
1306         }
1307         return printed;
1308 }
1309
1310 static struct {
1311         u32 flags;
1312         const char *name;
1313 } sample_flags[] = {
1314         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL, "call"},
1315         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN, "return"},
1316         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CONDITIONAL, "jcc"},
1317         {PERF_IP_FLAG_BRANCH, "jmp"},
1318         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_INTERRUPT, "int"},
1319         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_INTERRUPT, "iret"},
1320         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_SYSCALLRET, "syscall"},
1321         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_RETURN | PERF_IP_FLAG_SYSCALLRET, "sysret"},
1322         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_ASYNC, "async"},
1323         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_CALL | PERF_IP_FLAG_ASYNC | PERF_IP_FLAG_INTERRUPT, "hw int"},
1324         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TX_ABORT, "tx abrt"},
1325         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_BEGIN, "tr strt"},
1326         {PERF_IP_FLAG_BRANCH | PERF_IP_FLAG_TRACE_END, "tr end"},
1327         {0, NULL}
1328 };
1329
1330 static const char *sample_flags_to_name(u32 flags)
1331 {
1332         int i;
1333
1334         for (i = 0; sample_flags[i].name ; i++) {
1335                 if (sample_flags[i].flags == flags)
1336                         return sample_flags[i].name;
1337         }
1338
1339         return NULL;
1340 }
1341
1342 static int perf_sample__fprintf_flags(u32 flags, FILE *fp)
1343 {
1344         const char *chars = PERF_IP_FLAG_CHARS;
1345         const int n = strlen(PERF_IP_FLAG_CHARS);
1346         bool in_tx = flags & PERF_IP_FLAG_IN_TX;
1347         const char *name = NULL;
1348         char str[33];
1349         int i, pos = 0;
1350
1351         name = sample_flags_to_name(flags & ~PERF_IP_FLAG_IN_TX);
1352         if (name)
1353                 return fprintf(fp, "  %-15s%4s ", name, in_tx ? "(x)" : "");
1354
1355         if (flags & PERF_IP_FLAG_TRACE_BEGIN) {
1356                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_BEGIN));
1357                 if (name)
1358                         return fprintf(fp, "  tr strt %-7s%4s ", name, in_tx ? "(x)" : "");
1359         }
1360
1361         if (flags & PERF_IP_FLAG_TRACE_END) {
1362                 name = sample_flags_to_name(flags & ~(PERF_IP_FLAG_IN_TX | PERF_IP_FLAG_TRACE_END));
1363                 if (name)
1364                         return fprintf(fp, "  tr end  %-7s%4s ", name, in_tx ? "(x)" : "");
1365         }
1366
1367         for (i = 0; i < n; i++, flags >>= 1) {
1368                 if (flags & 1)
1369                         str[pos++] = chars[i];
1370         }
1371         for (; i < 32; i++, flags >>= 1) {
1372                 if (flags & 1)
1373                         str[pos++] = '?';
1374         }
1375         str[pos] = 0;
1376
1377         return fprintf(fp, "  %-19s ", str);
1378 }
1379
1380 struct printer_data {
1381         int line_no;
1382         bool hit_nul;
1383         bool is_printable;
1384 };
1385
1386 static int sample__fprintf_bpf_output(enum binary_printer_ops op,
1387                                       unsigned int val,
1388                                       void *extra, FILE *fp)
1389 {
1390         unsigned char ch = (unsigned char)val;
1391         struct printer_data *printer_data = extra;
1392         int printed = 0;
1393
1394         switch (op) {
1395         case BINARY_PRINT_DATA_BEGIN:
1396                 printed += fprintf(fp, "\n");
1397                 break;
1398         case BINARY_PRINT_LINE_BEGIN:
1399                 printed += fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
1400                                                         "           ");
1401                 break;
1402         case BINARY_PRINT_ADDR:
1403                 printed += fprintf(fp, " %04x:", val);
1404                 break;
1405         case BINARY_PRINT_NUM_DATA:
1406                 printed += fprintf(fp, " %02x", val);
1407                 break;
1408         case BINARY_PRINT_NUM_PAD:
1409                 printed += fprintf(fp, "   ");
1410                 break;
1411         case BINARY_PRINT_SEP:
1412                 printed += fprintf(fp, "  ");
1413                 break;
1414         case BINARY_PRINT_CHAR_DATA:
1415                 if (printer_data->hit_nul && ch)
1416                         printer_data->is_printable = false;
1417
1418                 if (!isprint(ch)) {
1419                         printed += fprintf(fp, "%c", '.');
1420
1421                         if (!printer_data->is_printable)
1422                                 break;
1423
1424                         if (ch == '\0')
1425                                 printer_data->hit_nul = true;
1426                         else
1427                                 printer_data->is_printable = false;
1428                 } else {
1429                         printed += fprintf(fp, "%c", ch);
1430                 }
1431                 break;
1432         case BINARY_PRINT_CHAR_PAD:
1433                 printed += fprintf(fp, " ");
1434                 break;
1435         case BINARY_PRINT_LINE_END:
1436                 printed += fprintf(fp, "\n");
1437                 printer_data->line_no++;
1438                 break;
1439         case BINARY_PRINT_DATA_END:
1440         default:
1441                 break;
1442         }
1443
1444         return printed;
1445 }
1446
1447 static int perf_sample__fprintf_bpf_output(struct perf_sample *sample, FILE *fp)
1448 {
1449         unsigned int nr_bytes = sample->raw_size;
1450         struct printer_data printer_data = {0, false, true};
1451         int printed = binary__fprintf(sample->raw_data, nr_bytes, 8,
1452                                       sample__fprintf_bpf_output, &printer_data, fp);
1453
1454         if (printer_data.is_printable && printer_data.hit_nul)
1455                 printed += fprintf(fp, "%17s \"%s\"\n", "BPF string:", (char *)(sample->raw_data));
1456
1457         return printed;
1458 }
1459
1460 static int perf_sample__fprintf_spacing(int len, int spacing, FILE *fp)
1461 {
1462         if (len > 0 && len < spacing)
1463                 return fprintf(fp, "%*s", spacing - len, "");
1464
1465         return 0;
1466 }
1467
1468 static int perf_sample__fprintf_pt_spacing(int len, FILE *fp)
1469 {
1470         return perf_sample__fprintf_spacing(len, 34, fp);
1471 }
1472
1473 static int perf_sample__fprintf_synth_ptwrite(struct perf_sample *sample, FILE *fp)
1474 {
1475         struct perf_synth_intel_ptwrite *data = perf_sample__synth_ptr(sample);
1476         int len;
1477
1478         if (perf_sample__bad_synth_size(sample, *data))
1479                 return 0;
1480
1481         len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
1482                      data->ip, le64_to_cpu(data->payload));
1483         return len + perf_sample__fprintf_pt_spacing(len, fp);
1484 }
1485
1486 static int perf_sample__fprintf_synth_mwait(struct perf_sample *sample, FILE *fp)
1487 {
1488         struct perf_synth_intel_mwait *data = perf_sample__synth_ptr(sample);
1489         int len;
1490
1491         if (perf_sample__bad_synth_size(sample, *data))
1492                 return 0;
1493
1494         len = fprintf(fp, " hints: %#x extensions: %#x ",
1495                       data->hints, data->extensions);
1496         return len + perf_sample__fprintf_pt_spacing(len, fp);
1497 }
1498
1499 static int perf_sample__fprintf_synth_pwre(struct perf_sample *sample, FILE *fp)
1500 {
1501         struct perf_synth_intel_pwre *data = perf_sample__synth_ptr(sample);
1502         int len;
1503
1504         if (perf_sample__bad_synth_size(sample, *data))
1505                 return 0;
1506
1507         len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
1508                       data->hw, data->cstate, data->subcstate);
1509         return len + perf_sample__fprintf_pt_spacing(len, fp);
1510 }
1511
1512 static int perf_sample__fprintf_synth_exstop(struct perf_sample *sample, FILE *fp)
1513 {
1514         struct perf_synth_intel_exstop *data = perf_sample__synth_ptr(sample);
1515         int len;
1516
1517         if (perf_sample__bad_synth_size(sample, *data))
1518                 return 0;
1519
1520         len = fprintf(fp, " IP: %u ", data->ip);
1521         return len + perf_sample__fprintf_pt_spacing(len, fp);
1522 }
1523
1524 static int perf_sample__fprintf_synth_pwrx(struct perf_sample *sample, FILE *fp)
1525 {
1526         struct perf_synth_intel_pwrx *data = perf_sample__synth_ptr(sample);
1527         int len;
1528
1529         if (perf_sample__bad_synth_size(sample, *data))
1530                 return 0;
1531
1532         len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
1533                      data->deepest_cstate, data->last_cstate,
1534                      data->wake_reason);
1535         return len + perf_sample__fprintf_pt_spacing(len, fp);
1536 }
1537
1538 static int perf_sample__fprintf_synth_cbr(struct perf_sample *sample, FILE *fp)
1539 {
1540         struct perf_synth_intel_cbr *data = perf_sample__synth_ptr(sample);
1541         unsigned int percent, freq;
1542         int len;
1543
1544         if (perf_sample__bad_synth_size(sample, *data))
1545                 return 0;
1546
1547         freq = (le32_to_cpu(data->freq) + 500) / 1000;
1548         len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
1549         if (data->max_nonturbo) {
1550                 percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
1551                 len += fprintf(fp, "(%3u%%) ", percent);
1552         }
1553         return len + perf_sample__fprintf_pt_spacing(len, fp);
1554 }
1555
1556 static int perf_sample__fprintf_synth(struct perf_sample *sample,
1557                                       struct perf_evsel *evsel, FILE *fp)
1558 {
1559         switch (evsel->attr.config) {
1560         case PERF_SYNTH_INTEL_PTWRITE:
1561                 return perf_sample__fprintf_synth_ptwrite(sample, fp);
1562         case PERF_SYNTH_INTEL_MWAIT:
1563                 return perf_sample__fprintf_synth_mwait(sample, fp);
1564         case PERF_SYNTH_INTEL_PWRE:
1565                 return perf_sample__fprintf_synth_pwre(sample, fp);
1566         case PERF_SYNTH_INTEL_EXSTOP:
1567                 return perf_sample__fprintf_synth_exstop(sample, fp);
1568         case PERF_SYNTH_INTEL_PWRX:
1569                 return perf_sample__fprintf_synth_pwrx(sample, fp);
1570         case PERF_SYNTH_INTEL_CBR:
1571                 return perf_sample__fprintf_synth_cbr(sample, fp);
1572         default:
1573                 break;
1574         }
1575
1576         return 0;
1577 }
1578
1579 struct perf_script {
1580         struct perf_tool        tool;
1581         struct perf_session     *session;
1582         bool                    show_task_events;
1583         bool                    show_mmap_events;
1584         bool                    show_switch_events;
1585         bool                    show_namespace_events;
1586         bool                    show_lost_events;
1587         bool                    show_round_events;
1588         bool                    allocated;
1589         bool                    per_event_dump;
1590         struct cpu_map          *cpus;
1591         struct thread_map       *threads;
1592         int                     name_width;
1593         const char              *time_str;
1594         struct perf_time_interval *ptime_range;
1595         int                     range_size;
1596         int                     range_num;
1597 };
1598
1599 static int perf_evlist__max_name_len(struct perf_evlist *evlist)
1600 {
1601         struct perf_evsel *evsel;
1602         int max = 0;
1603
1604         evlist__for_each_entry(evlist, evsel) {
1605                 int len = strlen(perf_evsel__name(evsel));
1606
1607                 max = MAX(len, max);
1608         }
1609
1610         return max;
1611 }
1612
1613 static int data_src__fprintf(u64 data_src, FILE *fp)
1614 {
1615         struct mem_info mi = { .data_src.val = data_src };
1616         char decode[100];
1617         char out[100];
1618         static int maxlen;
1619         int len;
1620
1621         perf_script__meminfo_scnprintf(decode, 100, &mi);
1622
1623         len = scnprintf(out, 100, "%16" PRIx64 " %s", data_src, decode);
1624         if (maxlen < len)
1625                 maxlen = len;
1626
1627         return fprintf(fp, "%-*s", maxlen, out);
1628 }
1629
1630 struct metric_ctx {
1631         struct perf_sample      *sample;
1632         struct thread           *thread;
1633         struct perf_evsel       *evsel;
1634         FILE                    *fp;
1635 };
1636
1637 static void script_print_metric(struct perf_stat_config *config __maybe_unused,
1638                                 void *ctx, const char *color,
1639                                 const char *fmt,
1640                                 const char *unit, double val)
1641 {
1642         struct metric_ctx *mctx = ctx;
1643
1644         if (!fmt)
1645                 return;
1646         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1647                                    PERF_RECORD_SAMPLE, mctx->fp);
1648         fputs("\tmetric: ", mctx->fp);
1649         if (color)
1650                 color_fprintf(mctx->fp, color, fmt, val);
1651         else
1652                 printf(fmt, val);
1653         fprintf(mctx->fp, " %s\n", unit);
1654 }
1655
1656 static void script_new_line(struct perf_stat_config *config __maybe_unused,
1657                             void *ctx)
1658 {
1659         struct metric_ctx *mctx = ctx;
1660
1661         perf_sample__fprintf_start(mctx->sample, mctx->thread, mctx->evsel,
1662                                    PERF_RECORD_SAMPLE, mctx->fp);
1663         fputs("\tmetric: ", mctx->fp);
1664 }
1665
1666 static void perf_sample__fprint_metric(struct perf_script *script,
1667                                        struct thread *thread,
1668                                        struct perf_evsel *evsel,
1669                                        struct perf_sample *sample,
1670                                        FILE *fp)
1671 {
1672         struct perf_stat_output_ctx ctx = {
1673                 .print_metric = script_print_metric,
1674                 .new_line = script_new_line,
1675                 .ctx = &(struct metric_ctx) {
1676                                 .sample = sample,
1677                                 .thread = thread,
1678                                 .evsel  = evsel,
1679                                 .fp     = fp,
1680                          },
1681                 .force_header = false,
1682         };
1683         struct perf_evsel *ev2;
1684         static bool init;
1685         u64 val;
1686
1687         if (!init) {
1688                 perf_stat__init_shadow_stats();
1689                 init = true;
1690         }
1691         if (!evsel->stats)
1692                 perf_evlist__alloc_stats(script->session->evlist, false);
1693         if (evsel_script(evsel->leader)->gnum++ == 0)
1694                 perf_stat__reset_shadow_stats();
1695         val = sample->period * evsel->scale;
1696         perf_stat__update_shadow_stats(evsel,
1697                                        val,
1698                                        sample->cpu,
1699                                        &rt_stat);
1700         evsel_script(evsel)->val = val;
1701         if (evsel_script(evsel->leader)->gnum == evsel->leader->nr_members) {
1702                 for_each_group_member (ev2, evsel->leader) {
1703                         perf_stat__print_shadow_stats(&stat_config, ev2,
1704                                                       evsel_script(ev2)->val,
1705                                                       sample->cpu,
1706                                                       &ctx,
1707                                                       NULL,
1708                                                       &rt_stat);
1709                 }
1710                 evsel_script(evsel->leader)->gnum = 0;
1711         }
1712 }
1713
1714 static bool show_event(struct perf_sample *sample,
1715                        struct perf_evsel *evsel,
1716                        struct thread *thread,
1717                        struct addr_location *al)
1718 {
1719         int depth = thread_stack__depth(thread, sample->cpu);
1720
1721         if (!symbol_conf.graph_function)
1722                 return true;
1723
1724         if (thread->filter) {
1725                 if (depth <= thread->filter_entry_depth) {
1726                         thread->filter = false;
1727                         return false;
1728                 }
1729                 return true;
1730         } else {
1731                 const char *s = symbol_conf.graph_function;
1732                 u64 ip;
1733                 const char *name = resolve_branch_sym(sample, evsel, thread, al,
1734                                 &ip);
1735                 unsigned nlen;
1736
1737                 if (!name)
1738                         return false;
1739                 nlen = strlen(name);
1740                 while (*s) {
1741                         unsigned len = strcspn(s, ",");
1742                         if (nlen == len && !strncmp(name, s, len)) {
1743                                 thread->filter = true;
1744                                 thread->filter_entry_depth = depth;
1745                                 return true;
1746                         }
1747                         s += len;
1748                         if (*s == ',')
1749                                 s++;
1750                 }
1751                 return false;
1752         }
1753 }
1754
1755 static void process_event(struct perf_script *script,
1756                           struct perf_sample *sample, struct perf_evsel *evsel,
1757                           struct addr_location *al,
1758                           struct machine *machine)
1759 {
1760         struct thread *thread = al->thread;
1761         struct perf_event_attr *attr = &evsel->attr;
1762         unsigned int type = output_type(attr->type);
1763         struct perf_evsel_script *es = evsel->priv;
1764         FILE *fp = es->fp;
1765
1766         if (output[type].fields == 0)
1767                 return;
1768
1769         if (!show_event(sample, evsel, thread, al))
1770                 return;
1771
1772         ++es->samples;
1773
1774         perf_sample__fprintf_start(sample, thread, evsel,
1775                                    PERF_RECORD_SAMPLE, fp);
1776
1777         if (PRINT_FIELD(PERIOD))
1778                 fprintf(fp, "%10" PRIu64 " ", sample->period);
1779
1780         if (PRINT_FIELD(EVNAME)) {
1781                 const char *evname = perf_evsel__name(evsel);
1782
1783                 if (!script->name_width)
1784                         script->name_width = perf_evlist__max_name_len(script->session->evlist);
1785
1786                 fprintf(fp, "%*s: ", script->name_width, evname ?: "[unknown]");
1787         }
1788
1789         if (print_flags)
1790                 perf_sample__fprintf_flags(sample->flags, fp);
1791
1792         if (is_bts_event(attr)) {
1793                 perf_sample__fprintf_bts(sample, evsel, thread, al, machine, fp);
1794                 return;
1795         }
1796
1797         if (PRINT_FIELD(TRACE)) {
1798                 event_format__fprintf(evsel->tp_format, sample->cpu,
1799                                       sample->raw_data, sample->raw_size, fp);
1800         }
1801
1802         if (attr->type == PERF_TYPE_SYNTH && PRINT_FIELD(SYNTH))
1803                 perf_sample__fprintf_synth(sample, evsel, fp);
1804
1805         if (PRINT_FIELD(ADDR))
1806                 perf_sample__fprintf_addr(sample, thread, attr, fp);
1807
1808         if (PRINT_FIELD(DATA_SRC))
1809                 data_src__fprintf(sample->data_src, fp);
1810
1811         if (PRINT_FIELD(WEIGHT))
1812                 fprintf(fp, "%16" PRIu64, sample->weight);
1813
1814         if (PRINT_FIELD(IP)) {
1815                 struct callchain_cursor *cursor = NULL;
1816
1817                 if (symbol_conf.use_callchain && sample->callchain &&
1818                     thread__resolve_callchain(al->thread, &callchain_cursor, evsel,
1819                                               sample, NULL, NULL, scripting_max_stack) == 0)
1820                         cursor = &callchain_cursor;
1821
1822                 fputc(cursor ? '\n' : ' ', fp);
1823                 sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
1824         }
1825
1826         if (PRINT_FIELD(IREGS))
1827                 perf_sample__fprintf_iregs(sample, attr, fp);
1828
1829         if (PRINT_FIELD(UREGS))
1830                 perf_sample__fprintf_uregs(sample, attr, fp);
1831
1832         if (PRINT_FIELD(BRSTACK))
1833                 perf_sample__fprintf_brstack(sample, thread, attr, fp);
1834         else if (PRINT_FIELD(BRSTACKSYM))
1835                 perf_sample__fprintf_brstacksym(sample, thread, attr, fp);
1836         else if (PRINT_FIELD(BRSTACKOFF))
1837                 perf_sample__fprintf_brstackoff(sample, thread, attr, fp);
1838
1839         if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
1840                 perf_sample__fprintf_bpf_output(sample, fp);
1841         perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
1842
1843         if (PRINT_FIELD(PHYS_ADDR))
1844                 fprintf(fp, "%16" PRIx64, sample->phys_addr);
1845         fprintf(fp, "\n");
1846
1847         if (PRINT_FIELD(SRCCODE)) {
1848                 if (map__fprintf_srccode(al->map, al->addr, stdout,
1849                                          &thread->srccode_state))
1850                         printf("\n");
1851         }
1852
1853         if (PRINT_FIELD(METRIC))
1854                 perf_sample__fprint_metric(script, thread, evsel, sample, fp);
1855
1856         if (verbose)
1857                 fflush(fp);
1858 }
1859
1860 static struct scripting_ops     *scripting_ops;
1861
1862 static void __process_stat(struct perf_evsel *counter, u64 tstamp)
1863 {
1864         int nthreads = thread_map__nr(counter->threads);
1865         int ncpus = perf_evsel__nr_cpus(counter);
1866         int cpu, thread;
1867         static int header_printed;
1868
1869         if (counter->system_wide)
1870                 nthreads = 1;
1871
1872         if (!header_printed) {
1873                 printf("%3s %8s %15s %15s %15s %15s %s\n",
1874                        "CPU", "THREAD", "VAL", "ENA", "RUN", "TIME", "EVENT");
1875                 header_printed = 1;
1876         }
1877
1878         for (thread = 0; thread < nthreads; thread++) {
1879                 for (cpu = 0; cpu < ncpus; cpu++) {
1880                         struct perf_counts_values *counts;
1881
1882                         counts = perf_counts(counter->counts, cpu, thread);
1883
1884                         printf("%3d %8d %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %15" PRIu64 " %s\n",
1885                                 counter->cpus->map[cpu],
1886                                 thread_map__pid(counter->threads, thread),
1887                                 counts->val,
1888                                 counts->ena,
1889                                 counts->run,
1890                                 tstamp,
1891                                 perf_evsel__name(counter));
1892                 }
1893         }
1894 }
1895
1896 static void process_stat(struct perf_evsel *counter, u64 tstamp)
1897 {
1898         if (scripting_ops && scripting_ops->process_stat)
1899                 scripting_ops->process_stat(&stat_config, counter, tstamp);
1900         else
1901                 __process_stat(counter, tstamp);
1902 }
1903
1904 static void process_stat_interval(u64 tstamp)
1905 {
1906         if (scripting_ops && scripting_ops->process_stat_interval)
1907                 scripting_ops->process_stat_interval(tstamp);
1908 }
1909
1910 static void setup_scripting(void)
1911 {
1912         setup_perl_scripting();
1913         setup_python_scripting();
1914 }
1915
1916 static int flush_scripting(void)
1917 {
1918         return scripting_ops ? scripting_ops->flush_script() : 0;
1919 }
1920
1921 static int cleanup_scripting(void)
1922 {
1923         pr_debug("\nperf script stopped\n");
1924
1925         return scripting_ops ? scripting_ops->stop_script() : 0;
1926 }
1927
1928 static int process_sample_event(struct perf_tool *tool,
1929                                 union perf_event *event,
1930                                 struct perf_sample *sample,
1931                                 struct perf_evsel *evsel,
1932                                 struct machine *machine)
1933 {
1934         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1935         struct addr_location al;
1936
1937         if (perf_time__ranges_skip_sample(scr->ptime_range, scr->range_num,
1938                                           sample->time)) {
1939                 return 0;
1940         }
1941
1942         if (debug_mode) {
1943                 if (sample->time < last_timestamp) {
1944                         pr_err("Samples misordered, previous: %" PRIu64
1945                                 " this: %" PRIu64 "\n", last_timestamp,
1946                                 sample->time);
1947                         nr_unordered++;
1948                 }
1949                 last_timestamp = sample->time;
1950                 return 0;
1951         }
1952
1953         if (machine__resolve(machine, &al, sample) < 0) {
1954                 pr_err("problem processing %d event, skipping it.\n",
1955                        event->header.type);
1956                 return -1;
1957         }
1958
1959         if (al.filtered)
1960                 goto out_put;
1961
1962         if (cpu_list && !test_bit(sample->cpu, cpu_bitmap))
1963                 goto out_put;
1964
1965         if (scripting_ops)
1966                 scripting_ops->process_event(event, sample, evsel, &al);
1967         else
1968                 process_event(scr, sample, evsel, &al, machine);
1969
1970 out_put:
1971         addr_location__put(&al);
1972         return 0;
1973 }
1974
1975 static int process_attr(struct perf_tool *tool, union perf_event *event,
1976                         struct perf_evlist **pevlist)
1977 {
1978         struct perf_script *scr = container_of(tool, struct perf_script, tool);
1979         struct perf_evlist *evlist;
1980         struct perf_evsel *evsel, *pos;
1981         int err;
1982         static struct perf_evsel_script *es;
1983
1984         err = perf_event__process_attr(tool, event, pevlist);
1985         if (err)
1986                 return err;
1987
1988         evlist = *pevlist;
1989         evsel = perf_evlist__last(*pevlist);
1990
1991         if (!evsel->priv) {
1992                 if (scr->per_event_dump) {
1993                         evsel->priv = perf_evsel_script__new(evsel,
1994                                                 scr->session->data);
1995                 } else {
1996                         es = zalloc(sizeof(*es));
1997                         if (!es)
1998                                 return -ENOMEM;
1999                         es->fp = stdout;
2000                         evsel->priv = es;
2001                 }
2002         }
2003
2004         if (evsel->attr.type >= PERF_TYPE_MAX &&
2005             evsel->attr.type != PERF_TYPE_SYNTH)
2006                 return 0;
2007
2008         evlist__for_each_entry(evlist, pos) {
2009                 if (pos->attr.type == evsel->attr.type && pos != evsel)
2010                         return 0;
2011         }
2012
2013         set_print_ip_opts(&evsel->attr);
2014
2015         if (evsel->attr.sample_type)
2016                 err = perf_evsel__check_attr(evsel, scr->session);
2017
2018         return err;
2019 }
2020
2021 static int process_comm_event(struct perf_tool *tool,
2022                               union perf_event *event,
2023                               struct perf_sample *sample,
2024                               struct machine *machine)
2025 {
2026         struct thread *thread;
2027         struct perf_script *script = container_of(tool, struct perf_script, tool);
2028         struct perf_session *session = script->session;
2029         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2030         int ret = -1;
2031
2032         thread = machine__findnew_thread(machine, event->comm.pid, event->comm.tid);
2033         if (thread == NULL) {
2034                 pr_debug("problem processing COMM event, skipping it.\n");
2035                 return -1;
2036         }
2037
2038         if (perf_event__process_comm(tool, event, sample, machine) < 0)
2039                 goto out;
2040
2041         if (!evsel->attr.sample_id_all) {
2042                 sample->cpu = 0;
2043                 sample->time = 0;
2044                 sample->tid = event->comm.tid;
2045                 sample->pid = event->comm.pid;
2046         }
2047         perf_sample__fprintf_start(sample, thread, evsel,
2048                                    PERF_RECORD_COMM, stdout);
2049         perf_event__fprintf(event, stdout);
2050         ret = 0;
2051 out:
2052         thread__put(thread);
2053         return ret;
2054 }
2055
2056 static int process_namespaces_event(struct perf_tool *tool,
2057                                     union perf_event *event,
2058                                     struct perf_sample *sample,
2059                                     struct machine *machine)
2060 {
2061         struct thread *thread;
2062         struct perf_script *script = container_of(tool, struct perf_script, tool);
2063         struct perf_session *session = script->session;
2064         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2065         int ret = -1;
2066
2067         thread = machine__findnew_thread(machine, event->namespaces.pid,
2068                                          event->namespaces.tid);
2069         if (thread == NULL) {
2070                 pr_debug("problem processing NAMESPACES event, skipping it.\n");
2071                 return -1;
2072         }
2073
2074         if (perf_event__process_namespaces(tool, event, sample, machine) < 0)
2075                 goto out;
2076
2077         if (!evsel->attr.sample_id_all) {
2078                 sample->cpu = 0;
2079                 sample->time = 0;
2080                 sample->tid = event->namespaces.tid;
2081                 sample->pid = event->namespaces.pid;
2082         }
2083         perf_sample__fprintf_start(sample, thread, evsel,
2084                                    PERF_RECORD_NAMESPACES, stdout);
2085         perf_event__fprintf(event, stdout);
2086         ret = 0;
2087 out:
2088         thread__put(thread);
2089         return ret;
2090 }
2091
2092 static int process_fork_event(struct perf_tool *tool,
2093                               union perf_event *event,
2094                               struct perf_sample *sample,
2095                               struct machine *machine)
2096 {
2097         struct thread *thread;
2098         struct perf_script *script = container_of(tool, struct perf_script, tool);
2099         struct perf_session *session = script->session;
2100         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2101
2102         if (perf_event__process_fork(tool, event, sample, machine) < 0)
2103                 return -1;
2104
2105         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2106         if (thread == NULL) {
2107                 pr_debug("problem processing FORK event, skipping it.\n");
2108                 return -1;
2109         }
2110
2111         if (!evsel->attr.sample_id_all) {
2112                 sample->cpu = 0;
2113                 sample->time = event->fork.time;
2114                 sample->tid = event->fork.tid;
2115                 sample->pid = event->fork.pid;
2116         }
2117         perf_sample__fprintf_start(sample, thread, evsel,
2118                                    PERF_RECORD_FORK, stdout);
2119         perf_event__fprintf(event, stdout);
2120         thread__put(thread);
2121
2122         return 0;
2123 }
2124 static int process_exit_event(struct perf_tool *tool,
2125                               union perf_event *event,
2126                               struct perf_sample *sample,
2127                               struct machine *machine)
2128 {
2129         int err = 0;
2130         struct thread *thread;
2131         struct perf_script *script = container_of(tool, struct perf_script, tool);
2132         struct perf_session *session = script->session;
2133         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2134
2135         thread = machine__findnew_thread(machine, event->fork.pid, event->fork.tid);
2136         if (thread == NULL) {
2137                 pr_debug("problem processing EXIT event, skipping it.\n");
2138                 return -1;
2139         }
2140
2141         if (!evsel->attr.sample_id_all) {
2142                 sample->cpu = 0;
2143                 sample->time = 0;
2144                 sample->tid = event->fork.tid;
2145                 sample->pid = event->fork.pid;
2146         }
2147         perf_sample__fprintf_start(sample, thread, evsel,
2148                                    PERF_RECORD_EXIT, stdout);
2149         perf_event__fprintf(event, stdout);
2150
2151         if (perf_event__process_exit(tool, event, sample, machine) < 0)
2152                 err = -1;
2153
2154         thread__put(thread);
2155         return err;
2156 }
2157
2158 static int process_mmap_event(struct perf_tool *tool,
2159                               union perf_event *event,
2160                               struct perf_sample *sample,
2161                               struct machine *machine)
2162 {
2163         struct thread *thread;
2164         struct perf_script *script = container_of(tool, struct perf_script, tool);
2165         struct perf_session *session = script->session;
2166         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2167
2168         if (perf_event__process_mmap(tool, event, sample, machine) < 0)
2169                 return -1;
2170
2171         thread = machine__findnew_thread(machine, event->mmap.pid, event->mmap.tid);
2172         if (thread == NULL) {
2173                 pr_debug("problem processing MMAP event, skipping it.\n");
2174                 return -1;
2175         }
2176
2177         if (!evsel->attr.sample_id_all) {
2178                 sample->cpu = 0;
2179                 sample->time = 0;
2180                 sample->tid = event->mmap.tid;
2181                 sample->pid = event->mmap.pid;
2182         }
2183         perf_sample__fprintf_start(sample, thread, evsel,
2184                                    PERF_RECORD_MMAP, stdout);
2185         perf_event__fprintf(event, stdout);
2186         thread__put(thread);
2187         return 0;
2188 }
2189
2190 static int process_mmap2_event(struct perf_tool *tool,
2191                               union perf_event *event,
2192                               struct perf_sample *sample,
2193                               struct machine *machine)
2194 {
2195         struct thread *thread;
2196         struct perf_script *script = container_of(tool, struct perf_script, tool);
2197         struct perf_session *session = script->session;
2198         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2199
2200         if (perf_event__process_mmap2(tool, event, sample, machine) < 0)
2201                 return -1;
2202
2203         thread = machine__findnew_thread(machine, event->mmap2.pid, event->mmap2.tid);
2204         if (thread == NULL) {
2205                 pr_debug("problem processing MMAP2 event, skipping it.\n");
2206                 return -1;
2207         }
2208
2209         if (!evsel->attr.sample_id_all) {
2210                 sample->cpu = 0;
2211                 sample->time = 0;
2212                 sample->tid = event->mmap2.tid;
2213                 sample->pid = event->mmap2.pid;
2214         }
2215         perf_sample__fprintf_start(sample, thread, evsel,
2216                                    PERF_RECORD_MMAP2, stdout);
2217         perf_event__fprintf(event, stdout);
2218         thread__put(thread);
2219         return 0;
2220 }
2221
2222 static int process_switch_event(struct perf_tool *tool,
2223                                 union perf_event *event,
2224                                 struct perf_sample *sample,
2225                                 struct machine *machine)
2226 {
2227         struct thread *thread;
2228         struct perf_script *script = container_of(tool, struct perf_script, tool);
2229         struct perf_session *session = script->session;
2230         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2231
2232         if (perf_event__process_switch(tool, event, sample, machine) < 0)
2233                 return -1;
2234
2235         thread = machine__findnew_thread(machine, sample->pid,
2236                                          sample->tid);
2237         if (thread == NULL) {
2238                 pr_debug("problem processing SWITCH event, skipping it.\n");
2239                 return -1;
2240         }
2241
2242         perf_sample__fprintf_start(sample, thread, evsel,
2243                                    PERF_RECORD_SWITCH, stdout);
2244         perf_event__fprintf(event, stdout);
2245         thread__put(thread);
2246         return 0;
2247 }
2248
2249 static int
2250 process_lost_event(struct perf_tool *tool,
2251                    union perf_event *event,
2252                    struct perf_sample *sample,
2253                    struct machine *machine)
2254 {
2255         struct perf_script *script = container_of(tool, struct perf_script, tool);
2256         struct perf_session *session = script->session;
2257         struct perf_evsel *evsel = perf_evlist__id2evsel(session->evlist, sample->id);
2258         struct thread *thread;
2259
2260         thread = machine__findnew_thread(machine, sample->pid,
2261                                          sample->tid);
2262         if (thread == NULL)
2263                 return -1;
2264
2265         perf_sample__fprintf_start(sample, thread, evsel,
2266                                    PERF_RECORD_LOST, stdout);
2267         perf_event__fprintf(event, stdout);
2268         thread__put(thread);
2269         return 0;
2270 }
2271
2272 static int
2273 process_finished_round_event(struct perf_tool *tool __maybe_unused,
2274                              union perf_event *event,
2275                              struct ordered_events *oe __maybe_unused)
2276
2277 {
2278         perf_event__fprintf(event, stdout);
2279         return 0;
2280 }
2281
2282 static void sig_handler(int sig __maybe_unused)
2283 {
2284         session_done = 1;
2285 }
2286
2287 static void perf_script__fclose_per_event_dump(struct perf_script *script)
2288 {
2289         struct perf_evlist *evlist = script->session->evlist;
2290         struct perf_evsel *evsel;
2291
2292         evlist__for_each_entry(evlist, evsel) {
2293                 if (!evsel->priv)
2294                         break;
2295                 perf_evsel_script__delete(evsel->priv);
2296                 evsel->priv = NULL;
2297         }
2298 }
2299
2300 static int perf_script__fopen_per_event_dump(struct perf_script *script)
2301 {
2302         struct perf_evsel *evsel;
2303
2304         evlist__for_each_entry(script->session->evlist, evsel) {
2305                 /*
2306                  * Already setup? I.e. we may be called twice in cases like
2307                  * Intel PT, one for the intel_pt// and dummy events, then
2308                  * for the evsels syntheized from the auxtrace info.
2309                  *
2310                  * Ses perf_script__process_auxtrace_info.
2311                  */
2312                 if (evsel->priv != NULL)
2313                         continue;
2314
2315                 evsel->priv = perf_evsel_script__new(evsel, script->session->data);
2316                 if (evsel->priv == NULL)
2317                         goto out_err_fclose;
2318         }
2319
2320         return 0;
2321
2322 out_err_fclose:
2323         perf_script__fclose_per_event_dump(script);
2324         return -1;
2325 }
2326
2327 static int perf_script__setup_per_event_dump(struct perf_script *script)
2328 {
2329         struct perf_evsel *evsel;
2330         static struct perf_evsel_script es_stdout;
2331
2332         if (script->per_event_dump)
2333                 return perf_script__fopen_per_event_dump(script);
2334
2335         es_stdout.fp = stdout;
2336
2337         evlist__for_each_entry(script->session->evlist, evsel)
2338                 evsel->priv = &es_stdout;
2339
2340         return 0;
2341 }
2342
2343 static void perf_script__exit_per_event_dump_stats(struct perf_script *script)
2344 {
2345         struct perf_evsel *evsel;
2346
2347         evlist__for_each_entry(script->session->evlist, evsel) {
2348                 struct perf_evsel_script *es = evsel->priv;
2349
2350                 perf_evsel_script__fprintf(es, stdout);
2351                 perf_evsel_script__delete(es);
2352                 evsel->priv = NULL;
2353         }
2354 }
2355
2356 static int __cmd_script(struct perf_script *script)
2357 {
2358         int ret;
2359
2360         signal(SIGINT, sig_handler);
2361
2362         /* override event processing functions */
2363         if (script->show_task_events) {
2364                 script->tool.comm = process_comm_event;
2365                 script->tool.fork = process_fork_event;
2366                 script->tool.exit = process_exit_event;
2367         }
2368         if (script->show_mmap_events) {
2369                 script->tool.mmap = process_mmap_event;
2370                 script->tool.mmap2 = process_mmap2_event;
2371         }
2372         if (script->show_switch_events)
2373                 script->tool.context_switch = process_switch_event;
2374         if (script->show_namespace_events)
2375                 script->tool.namespaces = process_namespaces_event;
2376         if (script->show_lost_events)
2377                 script->tool.lost = process_lost_event;
2378         if (script->show_round_events) {
2379                 script->tool.ordered_events = false;
2380                 script->tool.finished_round = process_finished_round_event;
2381         }
2382
2383         if (perf_script__setup_per_event_dump(script)) {
2384                 pr_err("Couldn't create the per event dump files\n");
2385                 return -1;
2386         }
2387
2388         ret = perf_session__process_events(script->session);
2389
2390         if (script->per_event_dump)
2391                 perf_script__exit_per_event_dump_stats(script);
2392
2393         if (debug_mode)
2394                 pr_err("Misordered timestamps: %" PRIu64 "\n", nr_unordered);
2395
2396         return ret;
2397 }
2398
2399 struct script_spec {
2400         struct list_head        node;
2401         struct scripting_ops    *ops;
2402         char                    spec[0];
2403 };
2404
2405 static LIST_HEAD(script_specs);
2406
2407 static struct script_spec *script_spec__new(const char *spec,
2408                                             struct scripting_ops *ops)
2409 {
2410         struct script_spec *s = malloc(sizeof(*s) + strlen(spec) + 1);
2411
2412         if (s != NULL) {
2413                 strcpy(s->spec, spec);
2414                 s->ops = ops;
2415         }
2416
2417         return s;
2418 }
2419
2420 static void script_spec__add(struct script_spec *s)
2421 {
2422         list_add_tail(&s->node, &script_specs);
2423 }
2424
2425 static struct script_spec *script_spec__find(const char *spec)
2426 {
2427         struct script_spec *s;
2428
2429         list_for_each_entry(s, &script_specs, node)
2430                 if (strcasecmp(s->spec, spec) == 0)
2431                         return s;
2432         return NULL;
2433 }
2434
2435 int script_spec_register(const char *spec, struct scripting_ops *ops)
2436 {
2437         struct script_spec *s;
2438
2439         s = script_spec__find(spec);
2440         if (s)
2441                 return -1;
2442
2443         s = script_spec__new(spec, ops);
2444         if (!s)
2445                 return -1;
2446         else
2447                 script_spec__add(s);
2448
2449         return 0;
2450 }
2451
2452 static struct scripting_ops *script_spec__lookup(const char *spec)
2453 {
2454         struct script_spec *s = script_spec__find(spec);
2455         if (!s)
2456                 return NULL;
2457
2458         return s->ops;
2459 }
2460
2461 static void list_available_languages(void)
2462 {
2463         struct script_spec *s;
2464
2465         fprintf(stderr, "\n");
2466         fprintf(stderr, "Scripting language extensions (used in "
2467                 "perf script -s [spec:]script.[spec]):\n\n");
2468
2469         list_for_each_entry(s, &script_specs, node)
2470                 fprintf(stderr, "  %-42s [%s]\n", s->spec, s->ops->name);
2471
2472         fprintf(stderr, "\n");
2473 }
2474
2475 static int parse_scriptname(const struct option *opt __maybe_unused,
2476                             const char *str, int unset __maybe_unused)
2477 {
2478         char spec[PATH_MAX];
2479         const char *script, *ext;
2480         int len;
2481
2482         if (strcmp(str, "lang") == 0) {
2483                 list_available_languages();
2484                 exit(0);
2485         }
2486
2487         script = strchr(str, ':');
2488         if (script) {
2489                 len = script - str;
2490                 if (len >= PATH_MAX) {
2491                         fprintf(stderr, "invalid language specifier");
2492                         return -1;
2493                 }
2494                 strncpy(spec, str, len);
2495                 spec[len] = '\0';
2496                 scripting_ops = script_spec__lookup(spec);
2497                 if (!scripting_ops) {
2498                         fprintf(stderr, "invalid language specifier");
2499                         return -1;
2500                 }
2501                 script++;
2502         } else {
2503                 script = str;
2504                 ext = strrchr(script, '.');
2505                 if (!ext) {
2506                         fprintf(stderr, "invalid script extension");
2507                         return -1;
2508                 }
2509                 scripting_ops = script_spec__lookup(++ext);
2510                 if (!scripting_ops) {
2511                         fprintf(stderr, "invalid script extension");
2512                         return -1;
2513                 }
2514         }
2515
2516         script_name = strdup(script);
2517
2518         return 0;
2519 }
2520
2521 static int parse_output_fields(const struct option *opt __maybe_unused,
2522                             const char *arg, int unset __maybe_unused)
2523 {
2524         char *tok, *strtok_saveptr = NULL;
2525         int i, imax = ARRAY_SIZE(all_output_options);
2526         int j;
2527         int rc = 0;
2528         char *str = strdup(arg);
2529         int type = -1;
2530         enum { DEFAULT, SET, ADD, REMOVE } change = DEFAULT;
2531
2532         if (!str)
2533                 return -ENOMEM;
2534
2535         /* first word can state for which event type the user is specifying
2536          * the fields. If no type exists, the specified fields apply to all
2537          * event types found in the file minus the invalid fields for a type.
2538          */
2539         tok = strchr(str, ':');
2540         if (tok) {
2541                 *tok = '\0';
2542                 tok++;
2543                 if (!strcmp(str, "hw"))
2544                         type = PERF_TYPE_HARDWARE;
2545                 else if (!strcmp(str, "sw"))
2546                         type = PERF_TYPE_SOFTWARE;
2547                 else if (!strcmp(str, "trace"))
2548                         type = PERF_TYPE_TRACEPOINT;
2549                 else if (!strcmp(str, "raw"))
2550                         type = PERF_TYPE_RAW;
2551                 else if (!strcmp(str, "break"))
2552                         type = PERF_TYPE_BREAKPOINT;
2553                 else if (!strcmp(str, "synth"))
2554                         type = OUTPUT_TYPE_SYNTH;
2555                 else {
2556                         fprintf(stderr, "Invalid event type in field string.\n");
2557                         rc = -EINVAL;
2558                         goto out;
2559                 }
2560
2561                 if (output[type].user_set)
2562                         pr_warning("Overriding previous field request for %s events.\n",
2563                                    event_type(type));
2564
2565                 output[type].fields = 0;
2566                 output[type].user_set = true;
2567                 output[type].wildcard_set = false;
2568
2569         } else {
2570                 tok = str;
2571                 if (strlen(str) == 0) {
2572                         fprintf(stderr,
2573                                 "Cannot set fields to 'none' for all event types.\n");
2574                         rc = -EINVAL;
2575                         goto out;
2576                 }
2577
2578                 /* Don't override defaults for +- */
2579                 if (strchr(str, '+') || strchr(str, '-'))
2580                         goto parse;
2581
2582                 if (output_set_by_user())
2583                         pr_warning("Overriding previous field request for all events.\n");
2584
2585                 for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2586                         output[j].fields = 0;
2587                         output[j].user_set = true;
2588                         output[j].wildcard_set = true;
2589                 }
2590         }
2591
2592 parse:
2593         for (tok = strtok_r(tok, ",", &strtok_saveptr); tok; tok = strtok_r(NULL, ",", &strtok_saveptr)) {
2594                 if (*tok == '+') {
2595                         if (change == SET)
2596                                 goto out_badmix;
2597                         change = ADD;
2598                         tok++;
2599                 } else if (*tok == '-') {
2600                         if (change == SET)
2601                                 goto out_badmix;
2602                         change = REMOVE;
2603                         tok++;
2604                 } else {
2605                         if (change != SET && change != DEFAULT)
2606                                 goto out_badmix;
2607                         change = SET;
2608                 }
2609
2610                 for (i = 0; i < imax; ++i) {
2611                         if (strcmp(tok, all_output_options[i].str) == 0)
2612                                 break;
2613                 }
2614                 if (i == imax && strcmp(tok, "flags") == 0) {
2615                         print_flags = change == REMOVE ? false : true;
2616                         continue;
2617                 }
2618                 if (i == imax) {
2619                         fprintf(stderr, "Invalid field requested.\n");
2620                         rc = -EINVAL;
2621                         goto out;
2622                 }
2623
2624                 if (type == -1) {
2625                         /* add user option to all events types for
2626                          * which it is valid
2627                          */
2628                         for (j = 0; j < OUTPUT_TYPE_MAX; ++j) {
2629                                 if (output[j].invalid_fields & all_output_options[i].field) {
2630                                         pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
2631                                                    all_output_options[i].str, event_type(j));
2632                                 } else {
2633                                         if (change == REMOVE)
2634                                                 output[j].fields &= ~all_output_options[i].field;
2635                                         else
2636                                                 output[j].fields |= all_output_options[i].field;
2637                                         output[j].user_set = true;
2638                                         output[j].wildcard_set = true;
2639                                 }
2640                         }
2641                 } else {
2642                         if (output[type].invalid_fields & all_output_options[i].field) {
2643                                 fprintf(stderr, "\'%s\' not valid for %s events.\n",
2644                                          all_output_options[i].str, event_type(type));
2645
2646                                 rc = -EINVAL;
2647                                 goto out;
2648                         }
2649                         output[type].user_set = true;
2650                         output[type].wildcard_set = true;
2651                 }
2652         }
2653
2654         if (type >= 0) {
2655                 if (output[type].fields == 0) {
2656                         pr_debug("No fields requested for %s type. "
2657                                  "Events will not be displayed.\n", event_type(type));
2658                 }
2659         }
2660         goto out;
2661
2662 out_badmix:
2663         fprintf(stderr, "Cannot mix +-field with overridden fields\n");
2664         rc = -EINVAL;
2665 out:
2666         free(str);
2667         return rc;
2668 }
2669
2670 #define for_each_lang(scripts_path, scripts_dir, lang_dirent)           \
2671         while ((lang_dirent = readdir(scripts_dir)) != NULL)            \
2672                 if ((lang_dirent->d_type == DT_DIR ||                   \
2673                      (lang_dirent->d_type == DT_UNKNOWN &&              \
2674                       is_directory(scripts_path, lang_dirent))) &&      \
2675                     (strcmp(lang_dirent->d_name, ".")) &&               \
2676                     (strcmp(lang_dirent->d_name, "..")))
2677
2678 #define for_each_script(lang_path, lang_dir, script_dirent)             \
2679         while ((script_dirent = readdir(lang_dir)) != NULL)             \
2680                 if (script_dirent->d_type != DT_DIR &&                  \
2681                     (script_dirent->d_type != DT_UNKNOWN ||             \
2682                      !is_directory(lang_path, script_dirent)))
2683
2684
2685 #define RECORD_SUFFIX                   "-record"
2686 #define REPORT_SUFFIX                   "-report"
2687
2688 struct script_desc {
2689         struct list_head        node;
2690         char                    *name;
2691         char                    *half_liner;
2692         char                    *args;
2693 };
2694
2695 static LIST_HEAD(script_descs);
2696
2697 static struct script_desc *script_desc__new(const char *name)
2698 {
2699         struct script_desc *s = zalloc(sizeof(*s));
2700
2701         if (s != NULL && name)
2702                 s->name = strdup(name);
2703
2704         return s;
2705 }
2706
2707 static void script_desc__delete(struct script_desc *s)
2708 {
2709         zfree(&s->name);
2710         zfree(&s->half_liner);
2711         zfree(&s->args);
2712         free(s);
2713 }
2714
2715 static void script_desc__add(struct script_desc *s)
2716 {
2717         list_add_tail(&s->node, &script_descs);
2718 }
2719
2720 static struct script_desc *script_desc__find(const char *name)
2721 {
2722         struct script_desc *s;
2723
2724         list_for_each_entry(s, &script_descs, node)
2725                 if (strcasecmp(s->name, name) == 0)
2726                         return s;
2727         return NULL;
2728 }
2729
2730 static struct script_desc *script_desc__findnew(const char *name)
2731 {
2732         struct script_desc *s = script_desc__find(name);
2733
2734         if (s)
2735                 return s;
2736
2737         s = script_desc__new(name);
2738         if (!s)
2739                 return NULL;
2740
2741         script_desc__add(s);
2742
2743         return s;
2744 }
2745
2746 static const char *ends_with(const char *str, const char *suffix)
2747 {
2748         size_t suffix_len = strlen(suffix);
2749         const char *p = str;
2750
2751         if (strlen(str) > suffix_len) {
2752                 p = str + strlen(str) - suffix_len;
2753                 if (!strncmp(p, suffix, suffix_len))
2754                         return p;
2755         }
2756
2757         return NULL;
2758 }
2759
2760 static int read_script_info(struct script_desc *desc, const char *filename)
2761 {
2762         char line[BUFSIZ], *p;
2763         FILE *fp;
2764
2765         fp = fopen(filename, "r");
2766         if (!fp)
2767                 return -1;
2768
2769         while (fgets(line, sizeof(line), fp)) {
2770                 p = ltrim(line);
2771                 if (strlen(p) == 0)
2772                         continue;
2773                 if (*p != '#')
2774                         continue;
2775                 p++;
2776                 if (strlen(p) && *p == '!')
2777                         continue;
2778
2779                 p = ltrim(p);
2780                 if (strlen(p) && p[strlen(p) - 1] == '\n')
2781                         p[strlen(p) - 1] = '\0';
2782
2783                 if (!strncmp(p, "description:", strlen("description:"))) {
2784                         p += strlen("description:");
2785                         desc->half_liner = strdup(ltrim(p));
2786                         continue;
2787                 }
2788
2789                 if (!strncmp(p, "args:", strlen("args:"))) {
2790                         p += strlen("args:");
2791                         desc->args = strdup(ltrim(p));
2792                         continue;
2793                 }
2794         }
2795
2796         fclose(fp);
2797
2798         return 0;
2799 }
2800
2801 static char *get_script_root(struct dirent *script_dirent, const char *suffix)
2802 {
2803         char *script_root, *str;
2804
2805         script_root = strdup(script_dirent->d_name);
2806         if (!script_root)
2807                 return NULL;
2808
2809         str = (char *)ends_with(script_root, suffix);
2810         if (!str) {
2811                 free(script_root);
2812                 return NULL;
2813         }
2814
2815         *str = '\0';
2816         return script_root;
2817 }
2818
2819 static int list_available_scripts(const struct option *opt __maybe_unused,
2820                                   const char *s __maybe_unused,
2821                                   int unset __maybe_unused)
2822 {
2823         struct dirent *script_dirent, *lang_dirent;
2824         char scripts_path[MAXPATHLEN];
2825         DIR *scripts_dir, *lang_dir;
2826         char script_path[MAXPATHLEN];
2827         char lang_path[MAXPATHLEN];
2828         struct script_desc *desc;
2829         char first_half[BUFSIZ];
2830         char *script_root;
2831
2832         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2833
2834         scripts_dir = opendir(scripts_path);
2835         if (!scripts_dir) {
2836                 fprintf(stdout,
2837                         "open(%s) failed.\n"
2838                         "Check \"PERF_EXEC_PATH\" env to set scripts dir.\n",
2839                         scripts_path);
2840                 exit(-1);
2841         }
2842
2843         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2844                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
2845                           lang_dirent->d_name);
2846                 lang_dir = opendir(lang_path);
2847                 if (!lang_dir)
2848                         continue;
2849
2850                 for_each_script(lang_path, lang_dir, script_dirent) {
2851                         script_root = get_script_root(script_dirent, REPORT_SUFFIX);
2852                         if (script_root) {
2853                                 desc = script_desc__findnew(script_root);
2854                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
2855                                           lang_path, script_dirent->d_name);
2856                                 read_script_info(desc, script_path);
2857                                 free(script_root);
2858                         }
2859                 }
2860         }
2861
2862         fprintf(stdout, "List of available trace scripts:\n");
2863         list_for_each_entry(desc, &script_descs, node) {
2864                 sprintf(first_half, "%s %s", desc->name,
2865                         desc->args ? desc->args : "");
2866                 fprintf(stdout, "  %-36s %s\n", first_half,
2867                         desc->half_liner ? desc->half_liner : "");
2868         }
2869
2870         exit(0);
2871 }
2872
2873 /*
2874  * Some scripts specify the required events in their "xxx-record" file,
2875  * this function will check if the events in perf.data match those
2876  * mentioned in the "xxx-record".
2877  *
2878  * Fixme: All existing "xxx-record" are all in good formats "-e event ",
2879  * which is covered well now. And new parsing code should be added to
2880  * cover the future complexing formats like event groups etc.
2881  */
2882 static int check_ev_match(char *dir_name, char *scriptname,
2883                         struct perf_session *session)
2884 {
2885         char filename[MAXPATHLEN], evname[128];
2886         char line[BUFSIZ], *p;
2887         struct perf_evsel *pos;
2888         int match, len;
2889         FILE *fp;
2890
2891         scnprintf(filename, MAXPATHLEN, "%s/bin/%s-record", dir_name, scriptname);
2892
2893         fp = fopen(filename, "r");
2894         if (!fp)
2895                 return -1;
2896
2897         while (fgets(line, sizeof(line), fp)) {
2898                 p = ltrim(line);
2899                 if (*p == '#')
2900                         continue;
2901
2902                 while (strlen(p)) {
2903                         p = strstr(p, "-e");
2904                         if (!p)
2905                                 break;
2906
2907                         p += 2;
2908                         p = ltrim(p);
2909                         len = strcspn(p, " \t");
2910                         if (!len)
2911                                 break;
2912
2913                         snprintf(evname, len + 1, "%s", p);
2914
2915                         match = 0;
2916                         evlist__for_each_entry(session->evlist, pos) {
2917                                 if (!strcmp(perf_evsel__name(pos), evname)) {
2918                                         match = 1;
2919                                         break;
2920                                 }
2921                         }
2922
2923                         if (!match) {
2924                                 fclose(fp);
2925                                 return -1;
2926                         }
2927                 }
2928         }
2929
2930         fclose(fp);
2931         return 0;
2932 }
2933
2934 /*
2935  * Return -1 if none is found, otherwise the actual scripts number.
2936  *
2937  * Currently the only user of this function is the script browser, which
2938  * will list all statically runnable scripts, select one, execute it and
2939  * show the output in a perf browser.
2940  */
2941 int find_scripts(char **scripts_array, char **scripts_path_array)
2942 {
2943         struct dirent *script_dirent, *lang_dirent;
2944         char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN];
2945         DIR *scripts_dir, *lang_dir;
2946         struct perf_session *session;
2947         struct perf_data data = {
2948                 .file      = {
2949                         .path = input_name,
2950                 },
2951                 .mode      = PERF_DATA_MODE_READ,
2952         };
2953         char *temp;
2954         int i = 0;
2955
2956         session = perf_session__new(&data, false, NULL);
2957         if (!session)
2958                 return -1;
2959
2960         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
2961
2962         scripts_dir = opendir(scripts_path);
2963         if (!scripts_dir) {
2964                 perf_session__delete(session);
2965                 return -1;
2966         }
2967
2968         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
2969                 scnprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path,
2970                           lang_dirent->d_name);
2971 #ifndef HAVE_LIBPERL_SUPPORT
2972                 if (strstr(lang_path, "perl"))
2973                         continue;
2974 #endif
2975 #ifndef HAVE_LIBPYTHON_SUPPORT
2976                 if (strstr(lang_path, "python"))
2977                         continue;
2978 #endif
2979
2980                 lang_dir = opendir(lang_path);
2981                 if (!lang_dir)
2982                         continue;
2983
2984                 for_each_script(lang_path, lang_dir, script_dirent) {
2985                         /* Skip those real time scripts: xxxtop.p[yl] */
2986                         if (strstr(script_dirent->d_name, "top."))
2987                                 continue;
2988                         sprintf(scripts_path_array[i], "%s/%s", lang_path,
2989                                 script_dirent->d_name);
2990                         temp = strchr(script_dirent->d_name, '.');
2991                         snprintf(scripts_array[i],
2992                                 (temp - script_dirent->d_name) + 1,
2993                                 "%s", script_dirent->d_name);
2994
2995                         if (check_ev_match(lang_path,
2996                                         scripts_array[i], session))
2997                                 continue;
2998
2999                         i++;
3000                 }
3001                 closedir(lang_dir);
3002         }
3003
3004         closedir(scripts_dir);
3005         perf_session__delete(session);
3006         return i;
3007 }
3008
3009 static char *get_script_path(const char *script_root, const char *suffix)
3010 {
3011         struct dirent *script_dirent, *lang_dirent;
3012         char scripts_path[MAXPATHLEN];
3013         char script_path[MAXPATHLEN];
3014         DIR *scripts_dir, *lang_dir;
3015         char lang_path[MAXPATHLEN];
3016         char *__script_root;
3017
3018         snprintf(scripts_path, MAXPATHLEN, "%s/scripts", get_argv_exec_path());
3019
3020         scripts_dir = opendir(scripts_path);
3021         if (!scripts_dir)
3022                 return NULL;
3023
3024         for_each_lang(scripts_path, scripts_dir, lang_dirent) {
3025                 scnprintf(lang_path, MAXPATHLEN, "%s/%s/bin", scripts_path,
3026                           lang_dirent->d_name);
3027                 lang_dir = opendir(lang_path);
3028                 if (!lang_dir)
3029                         continue;
3030
3031                 for_each_script(lang_path, lang_dir, script_dirent) {
3032                         __script_root = get_script_root(script_dirent, suffix);
3033                         if (__script_root && !strcmp(script_root, __script_root)) {
3034                                 free(__script_root);
3035                                 closedir(lang_dir);
3036                                 closedir(scripts_dir);
3037                                 scnprintf(script_path, MAXPATHLEN, "%s/%s",
3038                                           lang_path, script_dirent->d_name);
3039                                 return strdup(script_path);
3040                         }
3041                         free(__script_root);
3042                 }
3043                 closedir(lang_dir);
3044         }
3045         closedir(scripts_dir);
3046
3047         return NULL;
3048 }
3049
3050 static bool is_top_script(const char *script_path)
3051 {
3052         return ends_with(script_path, "top") == NULL ? false : true;
3053 }
3054
3055 static int has_required_arg(char *script_path)
3056 {
3057         struct script_desc *desc;
3058         int n_args = 0;
3059         char *p;
3060
3061         desc = script_desc__new(NULL);
3062
3063         if (read_script_info(desc, script_path))
3064                 goto out;
3065
3066         if (!desc->args)
3067                 goto out;
3068
3069         for (p = desc->args; *p; p++)
3070                 if (*p == '<')
3071                         n_args++;
3072 out:
3073         script_desc__delete(desc);
3074
3075         return n_args;
3076 }
3077
3078 static int have_cmd(int argc, const char **argv)
3079 {
3080         char **__argv = malloc(sizeof(const char *) * argc);
3081
3082         if (!__argv) {
3083                 pr_err("malloc failed\n");
3084                 return -1;
3085         }
3086
3087         memcpy(__argv, argv, sizeof(const char *) * argc);
3088         argc = parse_options(argc, (const char **)__argv, record_options,
3089                              NULL, PARSE_OPT_STOP_AT_NON_OPTION);
3090         free(__argv);
3091
3092         system_wide = (argc == 0);
3093
3094         return 0;
3095 }
3096
3097 static void script__setup_sample_type(struct perf_script *script)
3098 {
3099         struct perf_session *session = script->session;
3100         u64 sample_type = perf_evlist__combined_sample_type(session->evlist);
3101
3102         if (symbol_conf.use_callchain || symbol_conf.cumulate_callchain) {
3103                 if ((sample_type & PERF_SAMPLE_REGS_USER) &&
3104                     (sample_type & PERF_SAMPLE_STACK_USER)) {
3105                         callchain_param.record_mode = CALLCHAIN_DWARF;
3106                         dwarf_callchain_users = true;
3107                 } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
3108                         callchain_param.record_mode = CALLCHAIN_LBR;
3109                 else
3110                         callchain_param.record_mode = CALLCHAIN_FP;
3111         }
3112 }
3113
3114 static int process_stat_round_event(struct perf_session *session,
3115                                     union perf_event *event)
3116 {
3117         struct stat_round_event *round = &event->stat_round;
3118         struct perf_evsel *counter;
3119
3120         evlist__for_each_entry(session->evlist, counter) {
3121                 perf_stat_process_counter(&stat_config, counter);
3122                 process_stat(counter, round->time);
3123         }
3124
3125         process_stat_interval(round->time);
3126         return 0;
3127 }
3128
3129 static int process_stat_config_event(struct perf_session *session __maybe_unused,
3130                                      union perf_event *event)
3131 {
3132         perf_event__read_stat_config(&stat_config, &event->stat_config);
3133         return 0;
3134 }
3135
3136 static int set_maps(struct perf_script *script)
3137 {
3138         struct perf_evlist *evlist = script->session->evlist;
3139
3140         if (!script->cpus || !script->threads)
3141                 return 0;
3142
3143         if (WARN_ONCE(script->allocated, "stats double allocation\n"))
3144                 return -EINVAL;
3145
3146         perf_evlist__set_maps(evlist, script->cpus, script->threads);
3147
3148         if (perf_evlist__alloc_stats(evlist, true))
3149                 return -ENOMEM;
3150
3151         script->allocated = true;
3152         return 0;
3153 }
3154
3155 static
3156 int process_thread_map_event(struct perf_session *session,
3157                              union perf_event *event)
3158 {
3159         struct perf_tool *tool = session->tool;
3160         struct perf_script *script = container_of(tool, struct perf_script, tool);
3161
3162         if (script->threads) {
3163                 pr_warning("Extra thread map event, ignoring.\n");
3164                 return 0;
3165         }
3166
3167         script->threads = thread_map__new_event(&event->thread_map);
3168         if (!script->threads)
3169                 return -ENOMEM;
3170
3171         return set_maps(script);
3172 }
3173
3174 static
3175 int process_cpu_map_event(struct perf_session *session,
3176                           union perf_event *event)
3177 {
3178         struct perf_tool *tool = session->tool;
3179         struct perf_script *script = container_of(tool, struct perf_script, tool);
3180
3181         if (script->cpus) {
3182                 pr_warning("Extra cpu map event, ignoring.\n");
3183                 return 0;
3184         }
3185
3186         script->cpus = cpu_map__new_data(&event->cpu_map.data);
3187         if (!script->cpus)
3188                 return -ENOMEM;
3189
3190         return set_maps(script);
3191 }
3192
3193 static int process_feature_event(struct perf_session *session,
3194                                  union perf_event *event)
3195 {
3196         if (event->feat.feat_id < HEADER_LAST_FEATURE)
3197                 return perf_event__process_feature(session, event);
3198         return 0;
3199 }
3200
3201 #ifdef HAVE_AUXTRACE_SUPPORT
3202 static int perf_script__process_auxtrace_info(struct perf_session *session,
3203                                               union perf_event *event)
3204 {
3205         struct perf_tool *tool = session->tool;
3206
3207         int ret = perf_event__process_auxtrace_info(session, event);
3208
3209         if (ret == 0) {
3210                 struct perf_script *script = container_of(tool, struct perf_script, tool);
3211
3212                 ret = perf_script__setup_per_event_dump(script);
3213         }
3214
3215         return ret;
3216 }
3217 #else
3218 #define perf_script__process_auxtrace_info 0
3219 #endif
3220
3221 static int parse_insn_trace(const struct option *opt __maybe_unused,
3222                             const char *str __maybe_unused,
3223                             int unset __maybe_unused)
3224 {
3225         parse_output_fields(NULL, "+insn,-event,-period", 0);
3226         itrace_parse_synth_opts(opt, "i0ns", 0);
3227         nanosecs = true;
3228         return 0;
3229 }
3230
3231 static int parse_xed(const struct option *opt __maybe_unused,
3232                      const char *str __maybe_unused,
3233                      int unset __maybe_unused)
3234 {
3235         force_pager("xed -F insn: -A -64 | less");
3236         return 0;
3237 }
3238
3239 static int parse_call_trace(const struct option *opt __maybe_unused,
3240                             const char *str __maybe_unused,
3241                             int unset __maybe_unused)
3242 {
3243         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
3244         itrace_parse_synth_opts(opt, "cewp", 0);
3245         nanosecs = true;
3246         return 0;
3247 }
3248
3249 static int parse_callret_trace(const struct option *opt __maybe_unused,
3250                             const char *str __maybe_unused,
3251                             int unset __maybe_unused)
3252 {
3253         parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
3254         itrace_parse_synth_opts(opt, "crewp", 0);
3255         nanosecs = true;
3256         return 0;
3257 }
3258
3259 int cmd_script(int argc, const char **argv)
3260 {
3261         bool show_full_info = false;
3262         bool header = false;
3263         bool header_only = false;
3264         bool script_started = false;
3265         char *rec_script_path = NULL;
3266         char *rep_script_path = NULL;
3267         struct perf_session *session;
3268         struct itrace_synth_opts itrace_synth_opts = {
3269                 .set = false,
3270                 .default_no_sample = true,
3271         };
3272         char *script_path = NULL;
3273         const char **__argv;
3274         int i, j, err = 0;
3275         struct perf_script script = {
3276                 .tool = {
3277                         .sample          = process_sample_event,
3278                         .mmap            = perf_event__process_mmap,
3279                         .mmap2           = perf_event__process_mmap2,
3280                         .comm            = perf_event__process_comm,
3281                         .namespaces      = perf_event__process_namespaces,
3282                         .exit            = perf_event__process_exit,
3283                         .fork            = perf_event__process_fork,
3284                         .attr            = process_attr,
3285                         .event_update   = perf_event__process_event_update,
3286                         .tracing_data    = perf_event__process_tracing_data,
3287                         .feature         = process_feature_event,
3288                         .build_id        = perf_event__process_build_id,
3289                         .id_index        = perf_event__process_id_index,
3290                         .auxtrace_info   = perf_script__process_auxtrace_info,
3291                         .auxtrace        = perf_event__process_auxtrace,
3292                         .auxtrace_error  = perf_event__process_auxtrace_error,
3293                         .stat            = perf_event__process_stat_event,
3294                         .stat_round      = process_stat_round_event,
3295                         .stat_config     = process_stat_config_event,
3296                         .thread_map      = process_thread_map_event,
3297                         .cpu_map         = process_cpu_map_event,
3298                         .ordered_events  = true,
3299                         .ordering_requires_timestamps = true,
3300                 },
3301         };
3302         struct perf_data data = {
3303                 .mode = PERF_DATA_MODE_READ,
3304         };
3305         const struct option options[] = {
3306         OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
3307                     "dump raw trace in ASCII"),
3308         OPT_INCR('v', "verbose", &verbose,
3309                  "be more verbose (show symbol address, etc)"),
3310         OPT_BOOLEAN('L', "Latency", &latency_format,
3311                     "show latency attributes (irqs/preemption disabled, etc)"),
3312         OPT_CALLBACK_NOOPT('l', "list", NULL, NULL, "list available scripts",
3313                            list_available_scripts),
3314         OPT_CALLBACK('s', "script", NULL, "name",
3315                      "script file name (lang:script name, script name, or *)",
3316                      parse_scriptname),
3317         OPT_STRING('g', "gen-script", &generate_script_lang, "lang",
3318                    "generate perf-script.xx script in specified language"),
3319         OPT_STRING('i', "input", &input_name, "file", "input file name"),
3320         OPT_BOOLEAN('d', "debug-mode", &debug_mode,
3321                    "do various checks like samples ordering and lost events"),
3322         OPT_BOOLEAN(0, "header", &header, "Show data header."),
3323         OPT_BOOLEAN(0, "header-only", &header_only, "Show only data header."),
3324         OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
3325                    "file", "vmlinux pathname"),
3326         OPT_STRING(0, "kallsyms", &symbol_conf.kallsyms_name,
3327                    "file", "kallsyms pathname"),
3328         OPT_BOOLEAN('G', "hide-call-graph", &no_callchain,
3329                     "When printing symbols do not display call chain"),
3330         OPT_CALLBACK(0, "symfs", NULL, "directory",
3331                      "Look for files with symbols relative to this directory",
3332                      symbol__config_symfs),
3333         OPT_CALLBACK('F', "fields", NULL, "str",
3334                      "comma separated output fields prepend with 'type:'. "
3335                      "+field to add and -field to remove."
3336                      "Valid types: hw,sw,trace,raw,synth. "
3337                      "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,"
3338                      "addr,symoff,srcline,period,iregs,uregs,brstack,"
3339                      "brstacksym,flags,bpf-output,brstackinsn,brstackoff,"
3340                      "callindent,insn,insnlen,synth,phys_addr,metric,misc",
3341                      parse_output_fields),
3342         OPT_BOOLEAN('a', "all-cpus", &system_wide,
3343                     "system-wide collection from all CPUs"),
3344         OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
3345                    "only consider these symbols"),
3346         OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
3347                         "Decode instructions from itrace", parse_insn_trace),
3348         OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
3349                         "Run xed disassembler on output", parse_xed),
3350         OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
3351                         "Decode calls from from itrace", parse_call_trace),
3352         OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
3353                         "Decode calls and returns from itrace", parse_callret_trace),
3354         OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
3355                         "Only print symbols and callees with --call-trace/--call-ret-trace"),
3356         OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
3357                    "Stop display of callgraph at these symbols"),
3358         OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
3359         OPT_STRING('c', "comms", &symbol_conf.comm_list_str, "comm[,comm...]",
3360                    "only display events for these comms"),
3361         OPT_STRING(0, "pid", &symbol_conf.pid_list_str, "pid[,pid...]",
3362                    "only consider symbols in these pids"),
3363         OPT_STRING(0, "tid", &symbol_conf.tid_list_str, "tid[,tid...]",
3364                    "only consider symbols in these tids"),
3365         OPT_UINTEGER(0, "max-stack", &scripting_max_stack,
3366                      "Set the maximum stack depth when parsing the callchain, "
3367                      "anything beyond the specified depth will be ignored. "
3368                      "Default: kernel.perf_event_max_stack or " __stringify(PERF_MAX_STACK_DEPTH)),
3369         OPT_BOOLEAN('I', "show-info", &show_full_info,
3370                     "display extended information from perf.data file"),
3371         OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path,
3372                     "Show the path of [kernel.kallsyms]"),
3373         OPT_BOOLEAN('\0', "show-task-events", &script.show_task_events,
3374                     "Show the fork/comm/exit events"),
3375         OPT_BOOLEAN('\0', "show-mmap-events", &script.show_mmap_events,
3376                     "Show the mmap events"),
3377         OPT_BOOLEAN('\0', "show-switch-events", &script.show_switch_events,
3378                     "Show context switch events (if recorded)"),
3379         OPT_BOOLEAN('\0', "show-namespace-events", &script.show_namespace_events,
3380                     "Show namespace events (if recorded)"),
3381         OPT_BOOLEAN('\0', "show-lost-events", &script.show_lost_events,
3382                     "Show lost events (if recorded)"),
3383         OPT_BOOLEAN('\0', "show-round-events", &script.show_round_events,
3384                     "Show round events (if recorded)"),
3385         OPT_BOOLEAN('\0', "per-event-dump", &script.per_event_dump,
3386                     "Dump trace output to files named by the monitored events"),
3387         OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
3388         OPT_INTEGER(0, "max-blocks", &max_blocks,
3389                     "Maximum number of code blocks to dump with brstackinsn"),
3390         OPT_BOOLEAN(0, "ns", &nanosecs,
3391                     "Use 9 decimal places when displaying time"),
3392         OPT_CALLBACK_OPTARG(0, "itrace", &itrace_synth_opts, NULL, "opts",
3393                             "Instruction Tracing options\n" ITRACE_HELP,
3394                             itrace_parse_synth_opts),
3395         OPT_BOOLEAN(0, "full-source-path", &srcline_full_filename,
3396                         "Show full source file name path for source lines"),
3397         OPT_BOOLEAN(0, "demangle", &symbol_conf.demangle,
3398                         "Enable symbol demangling"),
3399         OPT_BOOLEAN(0, "demangle-kernel", &symbol_conf.demangle_kernel,
3400                         "Enable kernel symbol demangling"),
3401         OPT_STRING(0, "time", &script.time_str, "str",
3402                    "Time span of interest (start,stop)"),
3403         OPT_BOOLEAN(0, "inline", &symbol_conf.inline_name,
3404                     "Show inline function"),
3405         OPT_END()
3406         };
3407         const char * const script_subcommands[] = { "record", "report", NULL };
3408         const char *script_usage[] = {
3409                 "perf script [<options>]",
3410                 "perf script [<options>] record <script> [<record-options>] <command>",
3411                 "perf script [<options>] report <script> [script-args]",
3412                 "perf script [<options>] <script> [<record-options>] <command>",
3413                 "perf script [<options>] <top-script> [script-args]",
3414                 NULL
3415         };
3416
3417         perf_set_singlethreaded();
3418
3419         setup_scripting();
3420
3421         argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
3422                              PARSE_OPT_STOP_AT_NON_OPTION);
3423
3424         data.file.path = input_name;
3425         data.force     = symbol_conf.force;
3426
3427         if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
3428                 rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
3429                 if (!rec_script_path)
3430                         return cmd_record(argc, argv);
3431         }
3432
3433         if (argc > 1 && !strncmp(argv[0], "rep", strlen("rep"))) {
3434                 rep_script_path = get_script_path(argv[1], REPORT_SUFFIX);
3435                 if (!rep_script_path) {
3436                         fprintf(stderr,
3437                                 "Please specify a valid report script"
3438                                 "(see 'perf script -l' for listing)\n");
3439                         return -1;
3440                 }
3441         }
3442
3443         if (itrace_synth_opts.callchain &&
3444             itrace_synth_opts.callchain_sz > scripting_max_stack)
3445                 scripting_max_stack = itrace_synth_opts.callchain_sz;
3446
3447         /* make sure PERF_EXEC_PATH is set for scripts */
3448         set_argv_exec_path(get_argv_exec_path());
3449
3450         if (argc && !script_name && !rec_script_path && !rep_script_path) {
3451                 int live_pipe[2];
3452                 int rep_args;
3453                 pid_t pid;
3454
3455                 rec_script_path = get_script_path(argv[0], RECORD_SUFFIX);
3456                 rep_script_path = get_script_path(argv[0], REPORT_SUFFIX);
3457
3458                 if (!rec_script_path && !rep_script_path) {
3459                         usage_with_options_msg(script_usage, options,
3460                                 "Couldn't find script `%s'\n\n See perf"
3461                                 " script -l for available scripts.\n", argv[0]);
3462                 }
3463
3464                 if (is_top_script(argv[0])) {
3465                         rep_args = argc - 1;
3466                 } else {
3467                         int rec_args;
3468
3469                         rep_args = has_required_arg(rep_script_path);
3470                         rec_args = (argc - 1) - rep_args;
3471                         if (rec_args < 0) {
3472                                 usage_with_options_msg(script_usage, options,
3473                                         "`%s' script requires options."
3474                                         "\n\n See perf script -l for available "
3475                                         "scripts and options.\n", argv[0]);
3476                         }
3477                 }
3478
3479                 if (pipe(live_pipe) < 0) {
3480                         perror("failed to create pipe");
3481                         return -1;
3482                 }
3483
3484                 pid = fork();
3485                 if (pid < 0) {
3486                         perror("failed to fork");
3487                         return -1;
3488                 }
3489
3490                 if (!pid) {
3491                         j = 0;
3492
3493                         dup2(live_pipe[1], 1);
3494                         close(live_pipe[0]);
3495
3496                         if (is_top_script(argv[0])) {
3497                                 system_wide = true;
3498                         } else if (!system_wide) {
3499                                 if (have_cmd(argc - rep_args, &argv[rep_args]) != 0) {
3500                                         err = -1;
3501                                         goto out;
3502                                 }
3503                         }
3504
3505                         __argv = malloc((argc + 6) * sizeof(const char *));
3506                         if (!__argv) {
3507                                 pr_err("malloc failed\n");
3508                                 err = -ENOMEM;
3509                                 goto out;
3510                         }
3511
3512                         __argv[j++] = "/bin/sh";
3513                         __argv[j++] = rec_script_path;
3514                         if (system_wide)
3515                                 __argv[j++] = "-a";
3516                         __argv[j++] = "-q";
3517                         __argv[j++] = "-o";
3518                         __argv[j++] = "-";
3519                         for (i = rep_args + 1; i < argc; i++)
3520                                 __argv[j++] = argv[i];
3521                         __argv[j++] = NULL;
3522
3523                         execvp("/bin/sh", (char **)__argv);
3524                         free(__argv);
3525                         exit(-1);
3526                 }
3527
3528                 dup2(live_pipe[0], 0);
3529                 close(live_pipe[1]);
3530
3531                 __argv = malloc((argc + 4) * sizeof(const char *));
3532                 if (!__argv) {
3533                         pr_err("malloc failed\n");
3534                         err = -ENOMEM;
3535                         goto out;
3536                 }
3537
3538                 j = 0;
3539                 __argv[j++] = "/bin/sh";
3540                 __argv[j++] = rep_script_path;
3541                 for (i = 1; i < rep_args + 1; i++)
3542                         __argv[j++] = argv[i];
3543                 __argv[j++] = "-i";
3544                 __argv[j++] = "-";
3545                 __argv[j++] = NULL;
3546
3547                 execvp("/bin/sh", (char **)__argv);
3548                 free(__argv);
3549                 exit(-1);
3550         }
3551
3552         if (rec_script_path)
3553                 script_path = rec_script_path;
3554         if (rep_script_path)
3555                 script_path = rep_script_path;
3556
3557         if (script_path) {
3558                 j = 0;
3559
3560                 if (!rec_script_path)
3561                         system_wide = false;
3562                 else if (!system_wide) {
3563                         if (have_cmd(argc - 1, &argv[1]) != 0) {
3564                                 err = -1;
3565                                 goto out;
3566                         }
3567                 }
3568
3569                 __argv = malloc((argc + 2) * sizeof(const char *));
3570                 if (!__argv) {
3571                         pr_err("malloc failed\n");
3572                         err = -ENOMEM;
3573                         goto out;
3574                 }
3575
3576                 __argv[j++] = "/bin/sh";
3577                 __argv[j++] = script_path;
3578                 if (system_wide)
3579                         __argv[j++] = "-a";
3580                 for (i = 2; i < argc; i++)
3581                         __argv[j++] = argv[i];
3582                 __argv[j++] = NULL;
3583
3584                 execvp("/bin/sh", (char **)__argv);
3585                 free(__argv);
3586                 exit(-1);
3587         }
3588
3589         if (!script_name) {
3590                 setup_pager();
3591                 use_browser = 0;
3592         }
3593
3594         session = perf_session__new(&data, false, &script.tool);
3595         if (session == NULL)
3596                 return -1;
3597
3598         if (header || header_only) {
3599                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER;
3600                 perf_session__fprintf_info(session, stdout, show_full_info);
3601                 if (header_only)
3602                         goto out_delete;
3603         }
3604         if (show_full_info)
3605                 script.tool.show_feat_hdr = SHOW_FEAT_HEADER_FULL_INFO;
3606
3607         if (symbol__init(&session->header.env) < 0)
3608                 goto out_delete;
3609
3610         script.session = session;
3611         script__setup_sample_type(&script);
3612
3613         if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
3614             symbol_conf.graph_function)
3615                 itrace_synth_opts.thread_stack = true;
3616
3617         session->itrace_synth_opts = &itrace_synth_opts;
3618
3619         if (cpu_list) {
3620                 err = perf_session__cpu_bitmap(session, cpu_list, cpu_bitmap);
3621                 if (err < 0)
3622                         goto out_delete;
3623                 itrace_synth_opts.cpu_bitmap = cpu_bitmap;
3624         }
3625
3626         if (!no_callchain)
3627                 symbol_conf.use_callchain = true;
3628         else
3629                 symbol_conf.use_callchain = false;
3630
3631         if (session->tevent.pevent &&
3632             tep_set_function_resolver(session->tevent.pevent,
3633                                       machine__resolve_kernel_addr,
3634                                       &session->machines.host) < 0) {
3635                 pr_err("%s: failed to set libtraceevent function resolver\n", __func__);
3636                 err = -1;
3637                 goto out_delete;
3638         }
3639
3640         if (generate_script_lang) {
3641                 struct stat perf_stat;
3642                 int input;
3643
3644                 if (output_set_by_user()) {
3645                         fprintf(stderr,
3646                                 "custom fields not supported for generated scripts");
3647                         err = -EINVAL;
3648                         goto out_delete;
3649                 }
3650
3651                 input = open(data.file.path, O_RDONLY); /* input_name */
3652                 if (input < 0) {
3653                         err = -errno;
3654                         perror("failed to open file");
3655                         goto out_delete;
3656                 }
3657
3658                 err = fstat(input, &perf_stat);
3659                 if (err < 0) {
3660                         perror("failed to stat file");
3661                         goto out_delete;
3662                 }
3663
3664                 if (!perf_stat.st_size) {
3665                         fprintf(stderr, "zero-sized file, nothing to do!\n");
3666                         goto out_delete;
3667                 }
3668
3669                 scripting_ops = script_spec__lookup(generate_script_lang);
3670                 if (!scripting_ops) {
3671                         fprintf(stderr, "invalid language specifier");
3672                         err = -ENOENT;
3673                         goto out_delete;
3674                 }
3675
3676                 err = scripting_ops->generate_script(session->tevent.pevent,
3677                                                      "perf-script");
3678                 goto out_delete;
3679         }
3680
3681         if (script_name) {
3682                 err = scripting_ops->start_script(script_name, argc, argv);
3683                 if (err)
3684                         goto out_delete;
3685                 pr_debug("perf script started with script %s\n\n", script_name);
3686                 script_started = true;
3687         }
3688
3689
3690         err = perf_session__check_output_opt(session);
3691         if (err < 0)
3692                 goto out_delete;
3693
3694         script.ptime_range = perf_time__range_alloc(script.time_str,
3695                                                     &script.range_size);
3696         if (!script.ptime_range) {
3697                 err = -ENOMEM;
3698                 goto out_delete;
3699         }
3700
3701         /* needs to be parsed after looking up reference time */
3702         if (perf_time__parse_str(script.ptime_range, script.time_str) != 0) {
3703                 if (session->evlist->first_sample_time == 0 &&
3704                     session->evlist->last_sample_time == 0) {
3705                         pr_err("HINT: no first/last sample time found in perf data.\n"
3706                                "Please use latest perf binary to execute 'perf record'\n"
3707                                "(if '--buildid-all' is enabled, please set '--timestamp-boundary').\n");
3708                         err = -EINVAL;
3709                         goto out_delete;
3710                 }
3711
3712                 script.range_num = perf_time__percent_parse_str(
3713                                         script.ptime_range, script.range_size,
3714                                         script.time_str,
3715                                         session->evlist->first_sample_time,
3716                                         session->evlist->last_sample_time);
3717
3718                 if (script.range_num < 0) {
3719                         pr_err("Invalid time string\n");
3720                         err = -EINVAL;
3721                         goto out_delete;
3722                 }
3723         } else {
3724                 script.range_num = 1;
3725         }
3726
3727         err = __cmd_script(&script);
3728
3729         flush_scripting();
3730
3731 out_delete:
3732         zfree(&script.ptime_range);
3733
3734         perf_evlist__free_stats(session->evlist);
3735         perf_session__delete(session);
3736
3737         if (script_started)
3738                 cleanup_scripting();
3739 out:
3740         return err;
3741 }