1 #define _XOPEN_SOURCE 500 /* needed for nftw() */
2 #define _GNU_SOURCE /* needed for asprintf() */
4 /* Parse event JSON files */
7 * Copyright (c) 2014, Intel Corporation
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions are met:
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
31 * OF THE POSSIBILITY OF SUCH DAMAGE.
44 #include <sys/time.h> /* getrlimit */
45 #include <sys/resource.h> /* getrlimit */
48 #include <linux/list.h>
56 int eprintf(int level, int var, const char *fmt, ...)
67 ret = vfprintf(stderr, fmt, args);
74 __attribute__((weak)) char *get_cpu_str(void)
79 static void addfield(char *map, char **dst, const char *sep,
80 const char *a, jsmntok_t *bt)
82 unsigned int len = strlen(a) + 1 + strlen(sep);
83 int olen = *dst ? strlen(*dst) : 0;
84 int blen = bt ? json_len(bt) : 0;
87 out = realloc(*dst, len + olen + blen);
89 /* Don't add field in this case */
100 strncat(*dst, map + bt->start, blen);
103 static void fixname(char *s)
109 static void fixdesc(char *s)
111 char *e = s + strlen(s);
113 /* Remove trailing dots that look ugly in perf list */
115 while (e >= s && isspace(*e))
121 /* Add escapes for '\' so they are proper C strings. */
122 static char *fixregex(char *s)
129 /* Count the number of '\' in string */
130 for (p = s; *p; p++) {
139 /* allocate space for a new string */
140 fixed = (char *) malloc(len + 1);
144 /* copy over the characters */
146 for (p = s; *p; p++) {
158 static struct msrmap {
162 { "0x3F6", "ldlat=" },
163 { "0x1A6", "offcore_rsp=" },
164 { "0x1A7", "offcore_rsp=" },
165 { "0x3F7", "frontend=" },
169 static struct field {
173 { "UMask", "umask=" },
174 { "CounterMask", "cmask=" },
175 { "Invert", "inv=" },
176 { "AnyThread", "any=" },
177 { "EdgeDetect", "edge=" },
178 { "SampleAfterValue", "period=" },
179 { "FCMask", "fc_mask=" },
180 { "PortMask", "ch_mask=" },
184 static void cut_comma(char *map, jsmntok_t *newval)
188 /* Cut off everything after comma */
189 for (i = newval->start; i < newval->end; i++) {
195 static int match_field(char *map, jsmntok_t *field, int nz,
196 char **event, jsmntok_t *val)
199 jsmntok_t newval = *val;
201 for (f = fields; f->field; f++)
202 if (json_streq(map, field, f->field) && nz) {
203 cut_comma(map, &newval);
204 addfield(map, event, ",", f->kernel, &newval);
210 static struct msrmap *lookup_msr(char *map, jsmntok_t *val)
212 jsmntok_t newval = *val;
216 cut_comma(map, &newval);
217 for (i = 0; msrmap[i].num; i++)
218 if (json_streq(map, &newval, msrmap[i].num))
222 pr_err("%s: Unknown MSR in event file %.*s\n", prog,
223 json_len(val), map + val->start);
232 { "CBO", "uncore_cbox" },
233 { "QPI LL", "uncore_qpi" },
234 { "SBO", "uncore_sbox" },
235 { "iMPH-U", "uncore_arb" },
239 static const char *field_to_perf(struct map *table, char *map, jsmntok_t *val)
243 for (i = 0; table[i].json; i++) {
244 if (json_streq(map, val, table[i].json))
245 return table[i].perf;
250 #define EXPECT(e, t, m) do { if (!(e)) { \
251 jsmntok_t *loc = (t); \
252 if (!(t)->start && (t) > tokens) \
254 pr_err("%s:%d: " m ", got %s\n", fn, \
255 json_line(map, loc), \
263 static char *get_topic(void)
268 /* tp is free'd in process_one_file() */
269 i = asprintf(&tp, "%s", topic);
271 pr_info("%s: asprintf() error %s\n", prog);
275 for (i = 0; i < (int) strlen(tp); i++) {
289 static int add_topic(char *bname)
292 topic = strdup(bname);
294 pr_info("%s: strdup() error %s for file %s\n", prog,
295 strerror(errno), bname);
301 struct perf_entry_data {
306 static int close_table;
308 static void print_events_table_prefix(FILE *fp, const char *tblname)
310 fprintf(fp, "struct pmu_event %s[] = {\n", tblname);
314 static int print_events_table_entry(void *data, char *name, char *event,
315 char *desc, char *long_desc,
316 char *pmu, char *unit, char *perpkg,
318 char *metric_name, char *metric_group)
320 struct perf_entry_data *pd = data;
321 FILE *outfp = pd->outfp;
322 char *topic = pd->topic;
325 * TODO: Remove formatting chars after debugging to reduce
328 fprintf(outfp, "{\n");
331 fprintf(outfp, "\t.name = \"%s\",\n", name);
333 fprintf(outfp, "\t.event = \"%s\",\n", event);
334 fprintf(outfp, "\t.desc = \"%s\",\n", desc);
335 fprintf(outfp, "\t.topic = \"%s\",\n", topic);
336 if (long_desc && long_desc[0])
337 fprintf(outfp, "\t.long_desc = \"%s\",\n", long_desc);
339 fprintf(outfp, "\t.pmu = \"%s\",\n", pmu);
341 fprintf(outfp, "\t.unit = \"%s\",\n", unit);
343 fprintf(outfp, "\t.perpkg = \"%s\",\n", perpkg);
345 fprintf(outfp, "\t.metric_expr = \"%s\",\n", metric_expr);
347 fprintf(outfp, "\t.metric_name = \"%s\",\n", metric_name);
349 fprintf(outfp, "\t.metric_group = \"%s\",\n", metric_group);
350 fprintf(outfp, "},\n");
355 struct event_struct {
356 struct list_head list;
369 #define ADD_EVENT_FIELD(field) do { if (field) { \
370 es->field = strdup(field); \
375 #define FREE_EVENT_FIELD(field) free(es->field)
377 #define TRY_FIXUP_FIELD(field) do { if (es->field && !*field) {\
378 *field = strdup(es->field); \
383 #define FOR_ALL_EVENT_STRUCT_FIELDS(op) do { \
396 static LIST_HEAD(arch_std_events);
398 static void free_arch_std_events(void)
400 struct event_struct *es, *next;
402 list_for_each_entry_safe(es, next, &arch_std_events, list) {
403 FOR_ALL_EVENT_STRUCT_FIELDS(FREE_EVENT_FIELD);
409 static int save_arch_std_events(void *data, char *name, char *event,
410 char *desc, char *long_desc, char *pmu,
411 char *unit, char *perpkg, char *metric_expr,
412 char *metric_name, char *metric_group)
414 struct event_struct *es;
415 struct stat *sb = data;
417 es = malloc(sizeof(*es));
420 memset(es, 0, sizeof(*es));
421 FOR_ALL_EVENT_STRUCT_FIELDS(ADD_EVENT_FIELD);
422 list_add_tail(&es->list, &arch_std_events);
425 FOR_ALL_EVENT_STRUCT_FIELDS(FREE_EVENT_FIELD);
430 static void print_events_table_suffix(FILE *outfp)
432 fprintf(outfp, "{\n");
434 fprintf(outfp, "\t.name = 0,\n");
435 fprintf(outfp, "\t.event = 0,\n");
436 fprintf(outfp, "\t.desc = 0,\n");
438 fprintf(outfp, "},\n");
439 fprintf(outfp, "};\n");
443 static struct fixed {
447 { "inst_retired.any", "event=0xc0" },
448 { "inst_retired.any_p", "event=0xc0" },
449 { "cpu_clk_unhalted.ref", "event=0x0,umask=0x03" },
450 { "cpu_clk_unhalted.thread", "event=0x3c" },
451 { "cpu_clk_unhalted.thread_any", "event=0x3c,any=1" },
456 * Handle different fixed counter encodings between JSON and perf.
458 static char *real_event(const char *name, char *event)
465 for (i = 0; fixed[i].name; i++)
466 if (!strcasecmp(name, fixed[i].name))
467 return (char *)fixed[i].event;
472 try_fixup(const char *fn, char *arch_std, char **event, char **desc,
473 char **name, char **long_desc, char **pmu, char **filter,
474 char **perpkg, char **unit, char **metric_expr, char **metric_name,
475 char **metric_group, unsigned long long eventcode)
477 /* try to find matching event from arch standard values */
478 struct event_struct *es;
480 list_for_each_entry(es, &arch_std_events, list) {
481 if (!strcmp(arch_std, es->name)) {
482 if (!eventcode && es->event) {
483 /* allow EventCode to be overridden */
487 FOR_ALL_EVENT_STRUCT_FIELDS(TRY_FIXUP_FIELD);
492 pr_err("%s: could not find matching %s for %s\n",
497 /* Call func with each event in the json file */
498 int json_events(const char *fn,
499 int (*func)(void *data, char *name, char *event, char *desc,
501 char *pmu, char *unit, char *perpkg,
503 char *metric_name, char *metric_group),
508 jsmntok_t *tokens, *tok;
516 tokens = parse_json(fn, &map, &size, &len);
519 EXPECT(tokens->type == JSMN_ARRAY, tokens, "expected top level array");
521 for (i = 0; i < tokens->size; i++) {
522 char *event = NULL, *desc = NULL, *name = NULL;
523 char *long_desc = NULL;
524 char *extra_desc = NULL;
529 char *metric_expr = NULL;
530 char *metric_name = NULL;
531 char *metric_group = NULL;
532 char *arch_std = NULL;
533 unsigned long long eventcode = 0;
534 struct msrmap *msr = NULL;
535 jsmntok_t *msrval = NULL;
536 jsmntok_t *precise = NULL;
537 jsmntok_t *obj = tok++;
539 EXPECT(obj->type == JSMN_OBJECT, obj, "expected object");
540 for (j = 0; j < obj->size; j += 2) {
541 jsmntok_t *field, *val;
546 EXPECT(field->type == JSMN_STRING, tok + j,
547 "Expected field name");
549 EXPECT(val->type == JSMN_STRING, tok + j + 1,
550 "Expected string value");
552 nz = !json_streq(map, val, "0");
553 if (match_field(map, field, nz, &event, val)) {
555 } else if (json_streq(map, field, "EventCode")) {
557 addfield(map, &code, "", "", val);
558 eventcode |= strtoul(code, NULL, 0);
560 } else if (json_streq(map, field, "ExtSel")) {
562 addfield(map, &code, "", "", val);
563 eventcode |= strtoul(code, NULL, 0) << 21;
565 } else if (json_streq(map, field, "EventName")) {
566 addfield(map, &name, "", "", val);
567 } else if (json_streq(map, field, "BriefDescription")) {
568 addfield(map, &desc, "", "", val);
570 } else if (json_streq(map, field,
571 "PublicDescription")) {
572 addfield(map, &long_desc, "", "", val);
574 } else if (json_streq(map, field, "PEBS") && nz) {
576 } else if (json_streq(map, field, "MSRIndex") && nz) {
577 msr = lookup_msr(map, val);
578 } else if (json_streq(map, field, "MSRValue")) {
580 } else if (json_streq(map, field, "Errata") &&
581 !json_streq(map, val, "null")) {
582 addfield(map, &extra_desc, ". ",
583 " Spec update: ", val);
584 } else if (json_streq(map, field, "Data_LA") && nz) {
585 addfield(map, &extra_desc, ". ",
586 " Supports address when precise",
588 } else if (json_streq(map, field, "Unit")) {
591 ppmu = field_to_perf(unit_to_pmu, map, val);
596 pmu = strdup("uncore_");
597 addfield(map, &pmu, "", "", val);
598 for (s = pmu; *s; s++)
601 addfield(map, &desc, ". ", "Unit: ", NULL);
602 addfield(map, &desc, "", pmu, NULL);
603 addfield(map, &desc, "", " ", NULL);
604 } else if (json_streq(map, field, "Filter")) {
605 addfield(map, &filter, "", "", val);
606 } else if (json_streq(map, field, "ScaleUnit")) {
607 addfield(map, &unit, "", "", val);
608 } else if (json_streq(map, field, "PerPkg")) {
609 addfield(map, &perpkg, "", "", val);
610 } else if (json_streq(map, field, "MetricName")) {
611 addfield(map, &metric_name, "", "", val);
612 } else if (json_streq(map, field, "MetricGroup")) {
613 addfield(map, &metric_group, "", "", val);
614 } else if (json_streq(map, field, "MetricExpr")) {
615 addfield(map, &metric_expr, "", "", val);
616 for (s = metric_expr; *s; s++)
618 } else if (json_streq(map, field, "ArchStdEvent")) {
619 addfield(map, &arch_std, "", "", val);
620 for (s = arch_std; *s; s++)
623 /* ignore unknown fields */
625 if (precise && desc && !strstr(desc, "(Precise Event)")) {
626 if (json_streq(map, precise, "2"))
627 addfield(map, &extra_desc, " ",
628 "(Must be precise)", NULL);
630 addfield(map, &extra_desc, " ",
631 "(Precise event)", NULL);
633 snprintf(buf, sizeof buf, "event=%#llx", eventcode);
634 addfield(map, &event, ",", buf, NULL);
635 if (desc && extra_desc)
636 addfield(map, &desc, " ", extra_desc, NULL);
637 if (long_desc && extra_desc)
638 addfield(map, &long_desc, " ", extra_desc, NULL);
640 addfield(map, &event, ",", filter, NULL);
642 addfield(map, &event, ",", msr->pname, msrval);
648 * An arch standard event is referenced, so try to
649 * fixup any unassigned values.
651 err = try_fixup(fn, arch_std, &event, &desc, &name,
652 &long_desc, &pmu, &filter, &perpkg,
653 &unit, &metric_expr, &metric_name,
654 &metric_group, eventcode);
658 err = func(data, name, real_event(name, event), desc, long_desc,
659 pmu, unit, perpkg, metric_expr, metric_name, metric_group);
679 EXPECT(tok - tokens == len, tok, "unexpected objects at end");
682 free_json(map, size, tokens);
686 static char *file_name_to_table_name(char *fname)
694 * Ensure tablename starts with alphabetic character.
695 * Derive rest of table name from basename of the JSON file,
696 * replacing hyphens and stripping out .json suffix.
698 n = asprintf(&tblname, "pme_%s", fname);
700 pr_info("%s: asprintf() error %s for file %s\n", prog,
701 strerror(errno), fname);
705 for (i = 0; i < strlen(tblname); i++) {
708 if (c == '-' || c == '/')
713 } else if (!isalnum(c) && c != '_') {
714 pr_err("%s: Invalid character '%c' in file name %s\n",
715 prog, c, basename(fname));
725 static void print_mapping_table_prefix(FILE *outfp)
727 fprintf(outfp, "struct pmu_events_map pmu_events_map[] = {\n");
730 static void print_mapping_table_suffix(FILE *outfp)
733 * Print the terminating, NULL entry.
735 fprintf(outfp, "{\n");
736 fprintf(outfp, "\t.cpuid = 0,\n");
737 fprintf(outfp, "\t.version = 0,\n");
738 fprintf(outfp, "\t.type = 0,\n");
739 fprintf(outfp, "\t.table = 0,\n");
740 fprintf(outfp, "},\n");
742 /* and finally, the closing curly bracket for the struct */
743 fprintf(outfp, "};\n");
746 static int process_mapfile(FILE *outfp, char *fpath)
755 pr_info("%s: Processing mapfile %s\n", prog, fpath);
761 mapfp = fopen(fpath, "r");
763 pr_info("%s: Error %s opening %s\n", prog, strerror(errno),
768 print_mapping_table_prefix(outfp);
770 /* Skip first line (header) */
771 p = fgets(line, n, mapfp);
777 char *cpuid, *version, *type, *fname;
780 p = fgets(line, n, mapfp);
784 if (line[0] == '#' || line[0] == '\n')
787 if (line[strlen(line)-1] != '\n') {
788 /* TODO Deal with lines longer than 16K */
789 pr_info("%s: Mapfile %s: line %d too long, aborting\n",
790 prog, fpath, line_num);
793 line[strlen(line)-1] = '\0';
795 cpuid = fixregex(strtok_r(p, ",", &save));
796 version = strtok_r(NULL, ",", &save);
797 fname = strtok_r(NULL, ",", &save);
798 type = strtok_r(NULL, ",", &save);
800 tblname = file_name_to_table_name(fname);
801 fprintf(outfp, "{\n");
802 fprintf(outfp, "\t.cpuid = \"%s\",\n", cpuid);
803 fprintf(outfp, "\t.version = \"%s\",\n", version);
804 fprintf(outfp, "\t.type = \"%s\",\n", type);
807 * CHECK: We can't use the type (eg "core") field in the
808 * table name. For us to do that, we need to somehow tweak
809 * the other caller of file_name_to_table(), process_json()
810 * to determine the type. process_json() file has no way
811 * of knowing these are "core" events unless file name has
812 * core in it. If filename has core in it, we can safely
813 * ignore the type field here also.
815 fprintf(outfp, "\t.table = %s\n", tblname);
816 fprintf(outfp, "},\n");
820 print_mapping_table_suffix(outfp);
825 * If we fail to locate/process JSON and map files, create a NULL mapping
826 * table. This would at least allow perf to build even if we can't find/use
829 static void create_empty_mapping(const char *output_file)
833 pr_info("%s: Creating empty pmu_events_map[] table\n", prog);
835 /* Truncate file to clear any partial writes to it */
836 outfp = fopen(output_file, "w");
842 fprintf(outfp, "#include \"../../pmu-events/pmu-events.h\"\n");
843 print_mapping_table_prefix(outfp);
844 print_mapping_table_suffix(outfp);
848 static int get_maxfds(void)
852 if (getrlimit(RLIMIT_NOFILE, &rlim) == 0)
853 return min((int)rlim.rlim_max / 2, 512);
859 * nftw() doesn't let us pass an argument to the processing function,
860 * so use a global variables.
862 static FILE *eventsfp;
863 static char *mapfile;
865 static int is_leaf_dir(const char *fpath)
875 while ((dir = readdir(d)) != NULL) {
876 if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
879 if (dir->d_type == DT_DIR) {
882 } else if (dir->d_type == DT_UNKNOWN) {
886 sprintf(path, "%s/%s", fpath, dir->d_name);
890 if (S_ISDIR(st.st_mode)) {
902 static int is_json_file(const char *name)
906 if (strlen(name) < 5)
909 suffix = name + strlen(name) - 5;
911 if (strncmp(suffix, ".json", 5) == 0)
916 static int preprocess_arch_std_files(const char *fpath, const struct stat *sb,
917 int typeflag, struct FTW *ftwbuf)
919 int level = ftwbuf->level;
920 int is_file = typeflag == FTW_F;
922 if (level == 1 && is_file && is_json_file(fpath))
923 return json_events(fpath, save_arch_std_events, (void *)sb);
928 static int process_one_file(const char *fpath, const struct stat *sb,
929 int typeflag, struct FTW *ftwbuf)
931 char *tblname, *bname;
932 int is_dir = typeflag == FTW_D;
933 int is_file = typeflag == FTW_F;
934 int level = ftwbuf->level;
937 if (level == 2 && is_dir) {
939 * For level 2 directory, bname will include parent name,
940 * like vendor/platform. So search back from platform dir
943 bname = (char *) fpath + ftwbuf->base - 2;
951 bname = (char *) fpath + ftwbuf->base;
953 pr_debug("%s %d %7jd %-20s %s\n",
954 is_file ? "f" : is_dir ? "d" : "x",
955 level, sb->st_size, bname, fpath);
957 /* base dir or too deep */
958 if (level == 0 || level > 3)
962 /* model directory, reset topic */
963 if ((level == 1 && is_dir && is_leaf_dir(fpath)) ||
964 (level == 2 && is_dir)) {
966 print_events_table_suffix(eventsfp);
969 * Drop file name suffix. Replace hyphens with underscores.
970 * Fail if file name contains any alphanum characters besides
973 tblname = file_name_to_table_name(bname);
975 pr_info("%s: Error determining table name for %s\n", prog,
980 print_events_table_prefix(eventsfp, tblname);
985 * Save the mapfile name for now. We will process mapfile
986 * after processing all JSON files (so we can write out the
987 * mapping table after all PMU events tables).
990 if (level == 1 && is_file) {
991 if (!strcmp(bname, "mapfile.csv")) {
992 mapfile = strdup(fpath);
996 pr_info("%s: Ignoring file %s\n", prog, fpath);
1001 * If the file name does not have a .json extension,
1002 * ignore it. It could be a readme.txt for instance.
1005 if (!is_json_file(bname)) {
1006 pr_info("%s: Ignoring file without .json suffix %s\n", prog,
1012 if (level > 1 && add_topic(bname))
1016 * Assume all other files are JSON files.
1018 * If mapfile refers to 'power7_core.json', we create a table
1019 * named 'power7_core'. Any inconsistencies between the mapfile
1020 * and directory tree could result in build failure due to table
1021 * names not being found.
1023 * Atleast for now, be strict with processing JSON file names.
1024 * i.e. if JSON file name cannot be mapped to C-style table name,
1028 struct perf_entry_data data = {
1029 .topic = get_topic(),
1033 err = json_events(fpath, print_events_table_entry, &data);
1042 #define PATH_MAX 4096
1046 * Starting in directory 'start_dirname', find the "mapfile.csv" and
1047 * the set of JSON files for the architecture 'arch'.
1049 * From each JSON file, create a C-style "PMU events table" from the
1050 * JSON file (see struct pmu_event).
1052 * From the mapfile, create a mapping between the CPU revisions and
1053 * PMU event tables (see struct pmu_events_map).
1055 * Write out the PMU events tables and the mapping table to pmu-event.c.
1057 int main(int argc, char *argv[])
1061 char ldirname[PATH_MAX];
1064 const char *output_file;
1065 const char *start_dirname;
1068 prog = basename(argv[0]);
1070 pr_err("Usage: %s <arch> <starting_dir> <output_file>\n", prog);
1075 start_dirname = argv[2];
1076 output_file = argv[3];
1079 verbose = atoi(argv[4]);
1081 eventsfp = fopen(output_file, "w");
1083 pr_err("%s Unable to create required file %s (%s)\n",
1084 prog, output_file, strerror(errno));
1088 sprintf(ldirname, "%s/%s", start_dirname, arch);
1090 /* If architecture does not have any event lists, bail out */
1091 if (stat(ldirname, &stbuf) < 0) {
1092 pr_info("%s: Arch %s has no PMU event lists\n", prog, arch);
1096 /* Include pmu-events.h first */
1097 fprintf(eventsfp, "#include \"../../pmu-events/pmu-events.h\"\n");
1100 * The mapfile allows multiple CPUids to point to the same JSON file,
1101 * so, not sure if there is a need for symlinks within the pmu-events
1104 * For now, treat symlinks of JSON files as regular files and create
1105 * separate tables for each symlink (presumably, each symlink refers
1106 * to specific version of the CPU).
1109 maxfds = get_maxfds();
1111 rc = nftw(ldirname, preprocess_arch_std_files, maxfds, 0);
1112 if (rc && verbose) {
1113 pr_info("%s: Error preprocessing arch standard files %s\n",
1116 } else if (rc < 0) {
1117 /* Make build fail */
1118 free_arch_std_events();
1124 rc = nftw(ldirname, process_one_file, maxfds, 0);
1125 if (rc && verbose) {
1126 pr_info("%s: Error walking file tree %s\n", prog, ldirname);
1128 } else if (rc < 0) {
1129 /* Make build fail */
1130 free_arch_std_events();
1137 print_events_table_suffix(eventsfp);
1140 pr_info("%s: No CPU->JSON mapping?\n", prog);
1144 if (process_mapfile(eventsfp, mapfile)) {
1145 pr_info("%s: Error processing mapfile %s\n", prog, mapfile);
1146 /* Make build fail */
1154 create_empty_mapping(output_file);
1155 free_arch_std_events();