4 #include <linux/string.h>
5 #include <linux/time64.h>
13 #include "thread_map.h"
16 #include <linux/ctype.h>
18 #include <api/fs/fs.h>
21 #include "pmu-hybrid.h"
22 #include "evlist-hybrid.h"
24 #define CNTR_NOT_SUPPORTED "<not supported>"
25 #define CNTR_NOT_COUNTED "<not counted>"
27 static void print_running(struct perf_stat_config *config,
30 if (config->csv_output) {
31 fprintf(config->output, "%s%" PRIu64 "%s%.2f",
35 ena ? 100.0 * run / ena : 100.0);
36 } else if (run != ena) {
37 fprintf(config->output, " (%.2f%%)", 100.0 * run / ena);
41 static void print_noise_pct(struct perf_stat_config *config,
42 double total, double avg)
44 double pct = rel_stddev_stats(total, avg);
46 if (config->csv_output)
47 fprintf(config->output, "%s%.2f%%", config->csv_sep, pct);
49 fprintf(config->output, " ( +-%6.2f%% )", pct);
52 static void print_noise(struct perf_stat_config *config,
53 struct evsel *evsel, double avg)
55 struct perf_stat_evsel *ps;
57 if (config->run_count == 1)
61 print_noise_pct(config, stddev_stats(&ps->res_stats[0]), avg);
64 static void print_cgroup(struct perf_stat_config *config, struct evsel *evsel)
67 const char *cgrp_name = evsel->cgrp ? evsel->cgrp->name : "";
68 fprintf(config->output, "%s%s", config->csv_sep, cgrp_name);
73 static void aggr_printout(struct perf_stat_config *config,
74 struct evsel *evsel, struct aggr_cpu_id id, int nr)
76 switch (config->aggr_mode) {
78 fprintf(config->output, "S%d-D%d-C%*d%s%*d%s",
81 config->csv_output ? 0 : -8,
84 config->csv_output ? 0 : 4,
89 fprintf(config->output, "S%d-D%*d%s%*d%s",
91 config->csv_output ? 0 : -8,
94 config->csv_output ? 0 : 4,
99 fprintf(config->output, "S%*d%s%*d%s",
100 config->csv_output ? 0 : -5,
103 config->csv_output ? 0 : 4,
108 fprintf(config->output, "N%*d%s%*d%s",
109 config->csv_output ? 0 : -5,
112 config->csv_output ? 0 : 4,
117 if (evsel->percore && !config->percore_show_thread) {
118 fprintf(config->output, "S%d-D%d-C%*d%s",
121 config->csv_output ? 0 : -3,
122 id.core, config->csv_sep);
123 } else if (id.core > -1) {
124 fprintf(config->output, "CPU%*d%s",
125 config->csv_output ? 0 : -7,
126 evsel__cpus(evsel)->map[id.core],
131 fprintf(config->output, "%*s-%*d%s",
132 config->csv_output ? 0 : 16,
133 perf_thread_map__comm(evsel->core.threads, id.thread),
134 config->csv_output ? 0 : -8,
135 perf_thread_map__pid(evsel->core.threads, id.thread),
151 struct aggr_cpu_id id;
155 #define METRIC_LEN 35
157 static void new_line_std(struct perf_stat_config *config __maybe_unused,
160 struct outstate *os = ctx;
165 static void do_new_line_std(struct perf_stat_config *config,
169 fputs(os->prefix, os->fh);
170 aggr_printout(config, os->evsel, os->id, os->nr);
171 if (config->aggr_mode == AGGR_NONE)
172 fprintf(os->fh, " ");
173 fprintf(os->fh, " ");
176 static void print_metric_std(struct perf_stat_config *config,
177 void *ctx, const char *color, const char *fmt,
178 const char *unit, double val)
180 struct outstate *os = ctx;
183 bool newline = os->newline;
187 if (unit == NULL || fmt == NULL) {
188 fprintf(out, "%-*s", METRIC_LEN, "");
193 do_new_line_std(config, os);
195 n = fprintf(out, " # ");
197 n += color_fprintf(out, color, fmt, val);
199 n += fprintf(out, fmt, val);
200 fprintf(out, " %-*s", METRIC_LEN - n - 1, unit);
203 static void new_line_csv(struct perf_stat_config *config, void *ctx)
205 struct outstate *os = ctx;
210 fprintf(os->fh, "%s%s", os->prefix, config->csv_sep);
211 aggr_printout(config, os->evsel, os->id, os->nr);
212 for (i = 0; i < os->nfields; i++)
213 fputs(config->csv_sep, os->fh);
216 static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
218 const char *color __maybe_unused,
219 const char *fmt, const char *unit, double val)
221 struct outstate *os = ctx;
223 char buf[64], *vals, *ends;
225 if (unit == NULL || fmt == NULL) {
226 fprintf(out, "%s%s", config->csv_sep, config->csv_sep);
229 snprintf(buf, sizeof(buf), fmt, val);
230 ends = vals = skip_spaces(buf);
231 while (isdigit(*ends) || *ends == '.')
234 fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, skip_spaces(unit));
237 /* Filter out some columns that don't work well in metrics only mode */
239 static bool valid_only_metric(const char *unit)
243 if (strstr(unit, "/sec") ||
244 strstr(unit, "CPUs utilized"))
249 static const char *fixunit(char *buf, struct evsel *evsel,
252 if (!strncmp(unit, "of all", 6)) {
253 snprintf(buf, 1024, "%s %s", evsel__name(evsel),
260 static void print_metric_only(struct perf_stat_config *config,
261 void *ctx, const char *color, const char *fmt,
262 const char *unit, double val)
264 struct outstate *os = ctx;
266 char buf[1024], str[1024];
267 unsigned mlen = config->metric_only_len;
269 if (!valid_only_metric(unit))
271 unit = fixunit(buf, os->evsel, unit);
272 if (mlen < strlen(unit))
273 mlen = strlen(unit) + 1;
276 mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
278 color_snprintf(str, sizeof(str), color ?: "", fmt, val);
279 fprintf(out, "%*s ", mlen, str);
282 static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused,
283 void *ctx, const char *color __maybe_unused,
285 const char *unit, double val)
287 struct outstate *os = ctx;
289 char buf[64], *vals, *ends;
292 if (!valid_only_metric(unit))
294 unit = fixunit(tbuf, os->evsel, unit);
295 snprintf(buf, sizeof buf, fmt, val);
296 ends = vals = skip_spaces(buf);
297 while (isdigit(*ends) || *ends == '.')
300 fprintf(out, "%s%s", vals, config->csv_sep);
303 static void new_line_metric(struct perf_stat_config *config __maybe_unused,
304 void *ctx __maybe_unused)
308 static void print_metric_header(struct perf_stat_config *config,
309 void *ctx, const char *color __maybe_unused,
310 const char *fmt __maybe_unused,
311 const char *unit, double val __maybe_unused)
313 struct outstate *os = ctx;
316 /* In case of iostat, print metric header for first root port only */
317 if (config->iostat_run &&
318 os->evsel->priv != os->evsel->evlist->selected->priv)
321 if (!valid_only_metric(unit))
323 unit = fixunit(tbuf, os->evsel, unit);
324 if (config->csv_output)
325 fprintf(os->fh, "%s%s", unit, config->csv_sep);
327 fprintf(os->fh, "%*s ", config->metric_only_len, unit);
330 static int first_shadow_cpu(struct perf_stat_config *config,
331 struct evsel *evsel, struct aggr_cpu_id id)
333 struct evlist *evlist = evsel->evlist;
336 if (config->aggr_mode == AGGR_NONE)
339 if (!config->aggr_get_id)
342 for (i = 0; i < evsel__nr_cpus(evsel); i++) {
343 int cpu2 = evsel__cpus(evsel)->map[i];
345 if (cpu_map__compare_aggr_cpu_id(
346 config->aggr_get_id(config, evlist->core.cpus, cpu2),
354 static void abs_printout(struct perf_stat_config *config,
355 struct aggr_cpu_id id, int nr, struct evsel *evsel, double avg)
357 FILE *output = config->output;
358 double sc = evsel->scale;
361 if (config->csv_output) {
362 fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s";
365 fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s";
367 fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s";
370 aggr_printout(config, evsel, id, nr);
372 fprintf(output, fmt, avg, config->csv_sep);
375 fprintf(output, "%-*s%s",
376 config->csv_output ? 0 : config->unit_width,
377 evsel->unit, config->csv_sep);
379 fprintf(output, "%-*s", config->csv_output ? 0 : 25, evsel__name(evsel));
381 print_cgroup(config, evsel);
384 static bool is_mixed_hw_group(struct evsel *counter)
386 struct evlist *evlist = counter->evlist;
387 u32 pmu_type = counter->core.attr.type;
390 if (counter->core.nr_members < 2)
393 evlist__for_each_entry(evlist, pos) {
394 /* software events can be part of any hardware group */
395 if (pos->core.attr.type == PERF_TYPE_SOFTWARE)
397 if (pmu_type == PERF_TYPE_SOFTWARE) {
398 pmu_type = pos->core.attr.type;
401 if (pmu_type != pos->core.attr.type)
408 static void printout(struct perf_stat_config *config, struct aggr_cpu_id id, int nr,
409 struct evsel *counter, double uval,
410 char *prefix, u64 run, u64 ena, double noise,
411 struct runtime_stat *st)
413 struct perf_stat_output_ctx out;
414 struct outstate os = {
415 .fh = config->output,
416 .prefix = prefix ? prefix : "",
421 print_metric_t pm = print_metric_std;
424 if (config->metric_only) {
425 nl = new_line_metric;
426 if (config->csv_output)
427 pm = print_metric_only_csv;
429 pm = print_metric_only;
433 if (config->csv_output && !config->metric_only) {
434 static int aggr_fields[] = {
443 pm = print_metric_csv;
446 os.nfields += aggr_fields[config->aggr_mode];
451 if (!config->no_csv_summary && config->csv_output &&
452 config->summary && !config->interval) {
453 fprintf(config->output, "%16s%s", "summary", config->csv_sep);
456 if (run == 0 || ena == 0 || counter->counts->scaled == -1) {
457 if (config->metric_only) {
458 pm(config, &os, NULL, "", "", 0);
461 aggr_printout(config, counter, id, nr);
463 fprintf(config->output, "%*s%s",
464 config->csv_output ? 0 : 18,
465 counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
468 if (counter->supported) {
469 if (!evlist__has_hybrid(counter->evlist)) {
470 config->print_free_counters_hint = 1;
471 if (is_mixed_hw_group(counter))
472 config->print_mixed_hw_group_error = 1;
476 fprintf(config->output, "%-*s%s",
477 config->csv_output ? 0 : config->unit_width,
478 counter->unit, config->csv_sep);
480 fprintf(config->output, "%*s",
481 config->csv_output ? 0 : -25, evsel__name(counter));
483 print_cgroup(config, counter);
485 if (!config->csv_output)
486 pm(config, &os, NULL, NULL, "", 0);
487 print_noise(config, counter, noise);
488 print_running(config, run, ena);
489 if (config->csv_output)
490 pm(config, &os, NULL, NULL, "", 0);
494 if (!config->metric_only)
495 abs_printout(config, id, nr, counter, uval);
497 out.print_metric = pm;
500 out.force_header = false;
502 if (config->csv_output && !config->metric_only) {
503 print_noise(config, counter, noise);
504 print_running(config, run, ena);
507 perf_stat__print_shadow_stats(config, counter, uval,
508 first_shadow_cpu(config, counter, id),
509 &out, &config->metric_events, st);
510 if (!config->csv_output && !config->metric_only) {
511 print_noise(config, counter, noise);
512 print_running(config, run, ena);
516 static void aggr_update_shadow(struct perf_stat_config *config,
517 struct evlist *evlist)
520 struct aggr_cpu_id s2, id;
522 struct evsel *counter;
524 for (s = 0; s < config->aggr_map->nr; s++) {
525 id = config->aggr_map->map[s];
526 evlist__for_each_entry(evlist, counter) {
528 for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) {
529 s2 = config->aggr_get_id(config, evlist->core.cpus, cpu);
530 if (!cpu_map__compare_aggr_cpu_id(s2, id))
532 val += perf_counts(counter->counts, cpu, 0)->val;
534 perf_stat__update_shadow_stats(counter, val,
535 first_shadow_cpu(config, counter, id),
541 static void uniquify_event_name(struct evsel *counter)
547 if (counter->uniquified_name || counter->use_config_name ||
548 !counter->pmu_name || !strncmp(counter->name, counter->pmu_name,
549 strlen(counter->pmu_name)))
552 config = strchr(counter->name, '/');
554 if (asprintf(&new_name,
555 "%s%s", counter->pmu_name, config) > 0) {
557 counter->name = new_name;
560 if (perf_pmu__has_hybrid()) {
561 ret = asprintf(&new_name, "%s/%s/",
562 counter->pmu_name, counter->name);
564 ret = asprintf(&new_name, "%s [%s]",
565 counter->name, counter->pmu_name);
570 counter->name = new_name;
574 counter->uniquified_name = true;
577 static void collect_all_aliases(struct perf_stat_config *config, struct evsel *counter,
578 void (*cb)(struct perf_stat_config *config, struct evsel *counter, void *data,
582 struct evlist *evlist = counter->evlist;
585 alias = list_prepare_entry(counter, &(evlist->core.entries), core.node);
586 list_for_each_entry_continue (alias, &evlist->core.entries, core.node) {
587 if (strcmp(evsel__name(alias), evsel__name(counter)) ||
588 alias->scale != counter->scale ||
589 alias->cgrp != counter->cgrp ||
590 strcmp(alias->unit, counter->unit) ||
591 evsel__is_clock(alias) != evsel__is_clock(counter) ||
592 !strcmp(alias->pmu_name, counter->pmu_name))
594 alias->merged_stat = true;
595 cb(config, alias, data, false);
599 static bool collect_data(struct perf_stat_config *config, struct evsel *counter,
600 void (*cb)(struct perf_stat_config *config, struct evsel *counter, void *data,
604 if (counter->merged_stat)
606 cb(config, counter, data, true);
607 if (config->no_merge)
608 uniquify_event_name(counter);
609 else if (counter->auto_merge_stats)
610 collect_all_aliases(config, counter, cb, data);
616 struct aggr_cpu_id id;
621 static void aggr_cb(struct perf_stat_config *config,
622 struct evsel *counter, void *data, bool first)
624 struct aggr_data *ad = data;
626 struct aggr_cpu_id s2;
628 for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) {
629 struct perf_counts_values *counts;
631 s2 = config->aggr_get_id(config, evsel__cpus(counter), cpu);
632 if (!cpu_map__compare_aggr_cpu_id(s2, ad->id))
636 counts = perf_counts(counter->counts, cpu, 0);
638 * When any result is bad, make them all to give
639 * consistent output in interval mode.
641 if (counts->ena == 0 || counts->run == 0 ||
642 counter->counts->scaled == -1) {
647 ad->val += counts->val;
648 ad->ena += counts->ena;
649 ad->run += counts->run;
653 static void print_counter_aggrdata(struct perf_stat_config *config,
654 struct evsel *counter, int s,
655 char *prefix, bool metric_only,
656 bool *first, int cpu)
659 FILE *output = config->output;
662 struct aggr_cpu_id id;
665 ad.id = id = config->aggr_map->map[s];
666 ad.val = ad.ena = ad.run = 0;
668 if (!collect_data(config, counter, aggr_cb, &ad))
671 if (perf_pmu__has_hybrid() && ad.ena == 0)
678 if (*first && metric_only) {
680 aggr_printout(config, counter, id, nr);
682 if (prefix && !metric_only)
683 fprintf(output, "%s", prefix);
685 uval = val * counter->scale;
687 id = cpu_map__empty_aggr_cpu_id();
690 printout(config, id, nr, counter, uval,
691 prefix, run, ena, 1.0, &rt_stat);
696 static void print_aggr(struct perf_stat_config *config,
697 struct evlist *evlist,
700 bool metric_only = config->metric_only;
701 FILE *output = config->output;
702 struct evsel *counter;
706 if (!config->aggr_map || !config->aggr_get_id)
709 aggr_update_shadow(config, evlist);
712 * With metric_only everything is on a single line.
713 * Without each counter has its own line.
715 for (s = 0; s < config->aggr_map->nr; s++) {
716 if (prefix && metric_only)
717 fprintf(output, "%s", prefix);
720 evlist__for_each_entry(evlist, counter) {
721 print_counter_aggrdata(config, counter, s,
730 static int cmp_val(const void *a, const void *b)
732 return ((struct perf_aggr_thread_value *)b)->val -
733 ((struct perf_aggr_thread_value *)a)->val;
736 static struct perf_aggr_thread_value *sort_aggr_thread(
737 struct evsel *counter,
738 int nthreads, int ncpus,
740 struct target *_target)
742 int cpu, thread, i = 0;
744 struct perf_aggr_thread_value *buf;
746 buf = calloc(nthreads, sizeof(struct perf_aggr_thread_value));
750 for (thread = 0; thread < nthreads; thread++) {
751 u64 ena = 0, run = 0, val = 0;
753 for (cpu = 0; cpu < ncpus; cpu++) {
754 val += perf_counts(counter->counts, cpu, thread)->val;
755 ena += perf_counts(counter->counts, cpu, thread)->ena;
756 run += perf_counts(counter->counts, cpu, thread)->run;
759 uval = val * counter->scale;
762 * Skip value 0 when enabling --per-thread globally,
763 * otherwise too many 0 output.
765 if (uval == 0.0 && target__has_per_thread(_target))
768 buf[i].counter = counter;
769 buf[i].id = cpu_map__empty_aggr_cpu_id();
770 buf[i].id.thread = thread;
778 qsort(buf, i, sizeof(struct perf_aggr_thread_value), cmp_val);
786 static void print_aggr_thread(struct perf_stat_config *config,
787 struct target *_target,
788 struct evsel *counter, char *prefix)
790 FILE *output = config->output;
791 int nthreads = perf_thread_map__nr(counter->core.threads);
792 int ncpus = perf_cpu_map__nr(counter->core.cpus);
793 int thread, sorted_threads;
794 struct aggr_cpu_id id;
795 struct perf_aggr_thread_value *buf;
797 buf = sort_aggr_thread(counter, nthreads, ncpus, &sorted_threads, _target);
799 perror("cannot sort aggr thread");
803 for (thread = 0; thread < sorted_threads; thread++) {
805 fprintf(output, "%s", prefix);
809 printout(config, id, 0, buf[thread].counter, buf[thread].uval,
810 prefix, buf[thread].run, buf[thread].ena, 1.0,
811 &config->stats[id.thread]);
813 printout(config, id, 0, buf[thread].counter, buf[thread].uval,
814 prefix, buf[thread].run, buf[thread].ena, 1.0,
823 double avg, avg_enabled, avg_running;
826 static void counter_aggr_cb(struct perf_stat_config *config __maybe_unused,
827 struct evsel *counter, void *data,
828 bool first __maybe_unused)
830 struct caggr_data *cd = data;
831 struct perf_counts_values *aggr = &counter->counts->aggr;
833 cd->avg += aggr->val;
834 cd->avg_enabled += aggr->ena;
835 cd->avg_running += aggr->run;
839 * Print out the results of a single counter:
840 * aggregated counts in system-wide mode
842 static void print_counter_aggr(struct perf_stat_config *config,
843 struct evsel *counter, char *prefix)
845 bool metric_only = config->metric_only;
846 FILE *output = config->output;
848 struct caggr_data cd = { .avg = 0.0 };
850 if (!collect_data(config, counter, counter_aggr_cb, &cd))
853 if (prefix && !metric_only)
854 fprintf(output, "%s", prefix);
856 uval = cd.avg * counter->scale;
857 printout(config, cpu_map__empty_aggr_cpu_id(), 0, counter, uval, prefix, cd.avg_running,
858 cd.avg_enabled, cd.avg, &rt_stat);
860 fprintf(output, "\n");
863 static void counter_cb(struct perf_stat_config *config __maybe_unused,
864 struct evsel *counter, void *data,
865 bool first __maybe_unused)
867 struct aggr_data *ad = data;
869 ad->val += perf_counts(counter->counts, ad->cpu, 0)->val;
870 ad->ena += perf_counts(counter->counts, ad->cpu, 0)->ena;
871 ad->run += perf_counts(counter->counts, ad->cpu, 0)->run;
875 * Print out the results of a single counter:
876 * does not use aggregated count in system-wide
878 static void print_counter(struct perf_stat_config *config,
879 struct evsel *counter, char *prefix)
881 FILE *output = config->output;
885 struct aggr_cpu_id id;
887 for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) {
888 struct aggr_data ad = { .cpu = cpu };
890 if (!collect_data(config, counter, counter_cb, &ad))
897 fprintf(output, "%s", prefix);
899 uval = val * counter->scale;
900 id = cpu_map__empty_aggr_cpu_id();
902 printout(config, id, 0, counter, uval, prefix,
903 run, ena, 1.0, &rt_stat);
909 static void print_no_aggr_metric(struct perf_stat_config *config,
910 struct evlist *evlist,
915 struct evsel *counter;
918 struct aggr_cpu_id id;
920 nrcpus = evlist->core.cpus->nr;
921 for (cpu = 0; cpu < nrcpus; cpu++) {
925 fputs(prefix, config->output);
926 evlist__for_each_entry(evlist, counter) {
927 id = cpu_map__empty_aggr_cpu_id();
930 aggr_printout(config, counter, id, 0);
933 val = perf_counts(counter->counts, cpu, 0)->val;
934 ena = perf_counts(counter->counts, cpu, 0)->ena;
935 run = perf_counts(counter->counts, cpu, 0)->run;
937 uval = val * counter->scale;
938 printout(config, id, 0, counter, uval, prefix,
939 run, ena, 1.0, &rt_stat);
941 fputc('\n', config->output);
945 static int aggr_header_lens[] = {
954 static const char *aggr_header_csv[] = {
955 [AGGR_CORE] = "core,cpus,",
956 [AGGR_DIE] = "die,cpus",
957 [AGGR_SOCKET] = "socket,cpus",
958 [AGGR_NONE] = "cpu,",
959 [AGGR_THREAD] = "comm-pid,",
963 static void print_metric_headers(struct perf_stat_config *config,
964 struct evlist *evlist,
965 const char *prefix, bool no_indent)
967 struct perf_stat_output_ctx out;
968 struct evsel *counter;
969 struct outstate os = {
974 fprintf(config->output, "%s", prefix);
976 if (!config->csv_output && !no_indent)
977 fprintf(config->output, "%*s",
978 aggr_header_lens[config->aggr_mode], "");
979 if (config->csv_output) {
980 if (config->interval)
981 fputs("time,", config->output);
982 if (!config->iostat_run)
983 fputs(aggr_header_csv[config->aggr_mode], config->output);
985 if (config->iostat_run)
986 iostat_print_header_prefix(config);
988 /* Print metrics headers only */
989 evlist__for_each_entry(evlist, counter) {
992 out.print_metric = print_metric_header;
993 out.new_line = new_line_metric;
994 out.force_header = true;
995 perf_stat__print_shadow_stats(config, counter, 0,
998 &config->metric_events,
1001 fputc('\n', config->output);
1004 static void print_interval(struct perf_stat_config *config,
1005 struct evlist *evlist,
1006 char *prefix, struct timespec *ts)
1008 bool metric_only = config->metric_only;
1009 unsigned int unit_width = config->unit_width;
1010 FILE *output = config->output;
1011 static int num_print_interval;
1013 if (config->interval_clear)
1014 puts(CONSOLE_CLEAR);
1016 if (!config->iostat_run)
1017 sprintf(prefix, "%6lu.%09lu%s", (unsigned long) ts->tv_sec, ts->tv_nsec, config->csv_sep);
1019 if ((num_print_interval == 0 && !config->csv_output) || config->interval_clear) {
1020 switch (config->aggr_mode) {
1022 fprintf(output, "# time node cpus");
1024 fprintf(output, " counts %*s events\n", unit_width, "unit");
1027 fprintf(output, "# time socket cpus");
1029 fprintf(output, " counts %*s events\n", unit_width, "unit");
1032 fprintf(output, "# time die cpus");
1034 fprintf(output, " counts %*s events\n", unit_width, "unit");
1037 fprintf(output, "# time core cpus");
1039 fprintf(output, " counts %*s events\n", unit_width, "unit");
1042 fprintf(output, "# time CPU ");
1044 fprintf(output, " counts %*s events\n", unit_width, "unit");
1047 fprintf(output, "# time comm-pid");
1049 fprintf(output, " counts %*s events\n", unit_width, "unit");
1053 if (!config->iostat_run) {
1054 fprintf(output, "# time");
1056 fprintf(output, " counts %*s events\n", unit_width, "unit");
1063 if ((num_print_interval == 0 || config->interval_clear) && metric_only)
1064 print_metric_headers(config, evlist, " ", true);
1065 if (++num_print_interval == 25)
1066 num_print_interval = 0;
1069 static void print_header(struct perf_stat_config *config,
1070 struct target *_target,
1071 int argc, const char **argv)
1073 FILE *output = config->output;
1078 if (!config->csv_output) {
1079 fprintf(output, "\n");
1080 fprintf(output, " Performance counter stats for ");
1081 if (_target->bpf_str)
1082 fprintf(output, "\'BPF program(s) %s", _target->bpf_str);
1083 else if (_target->system_wide)
1084 fprintf(output, "\'system wide");
1085 else if (_target->cpu_list)
1086 fprintf(output, "\'CPU(s) %s", _target->cpu_list);
1087 else if (!target__has_task(_target)) {
1088 fprintf(output, "\'%s", argv ? argv[0] : "pipe");
1089 for (i = 1; argv && (i < argc); i++)
1090 fprintf(output, " %s", argv[i]);
1091 } else if (_target->pid)
1092 fprintf(output, "process id \'%s", _target->pid);
1094 fprintf(output, "thread id \'%s", _target->tid);
1096 fprintf(output, "\'");
1097 if (config->run_count > 1)
1098 fprintf(output, " (%d runs)", config->run_count);
1099 fprintf(output, ":\n\n");
1103 static int get_precision(double num)
1108 return lround(ceil(-log10(num)));
1111 static void print_table(struct perf_stat_config *config,
1112 FILE *output, int precision, double avg)
1115 int idx, indent = 0;
1117 scnprintf(tmp, 64, " %17.*f", precision, avg);
1118 while (tmp[indent] == ' ')
1121 fprintf(output, "%*s# Table of individual measurements:\n", indent, "");
1123 for (idx = 0; idx < config->run_count; idx++) {
1124 double run = (double) config->walltime_run[idx] / NSEC_PER_SEC;
1125 int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5);
1127 fprintf(output, " %17.*f (%+.*f) ",
1128 precision, run, precision, run - avg);
1130 for (h = 0; h < n; h++)
1131 fprintf(output, "#");
1133 fprintf(output, "\n");
1136 fprintf(output, "\n%*s# Final result:\n", indent, "");
1139 static double timeval2double(struct timeval *t)
1141 return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC;
1144 static void print_footer(struct perf_stat_config *config)
1146 double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
1147 FILE *output = config->output;
1149 if (!config->null_run)
1150 fprintf(output, "\n");
1152 if (config->run_count == 1) {
1153 fprintf(output, " %17.9f seconds time elapsed", avg);
1155 if (config->ru_display) {
1156 double ru_utime = timeval2double(&config->ru_data.ru_utime);
1157 double ru_stime = timeval2double(&config->ru_data.ru_stime);
1159 fprintf(output, "\n\n");
1160 fprintf(output, " %17.9f seconds user\n", ru_utime);
1161 fprintf(output, " %17.9f seconds sys\n", ru_stime);
1164 double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
1166 * Display at most 2 more significant
1167 * digits than the stddev inaccuracy.
1169 int precision = get_precision(sd) + 2;
1171 if (config->walltime_run_table)
1172 print_table(config, output, precision, avg);
1174 fprintf(output, " %17.*f +- %.*f seconds time elapsed",
1175 precision, avg, precision, sd);
1177 print_noise_pct(config, sd, avg);
1179 fprintf(output, "\n\n");
1181 if (config->print_free_counters_hint && sysctl__nmi_watchdog_enabled())
1183 "Some events weren't counted. Try disabling the NMI watchdog:\n"
1184 " echo 0 > /proc/sys/kernel/nmi_watchdog\n"
1186 " echo 1 > /proc/sys/kernel/nmi_watchdog\n");
1188 if (config->print_mixed_hw_group_error)
1190 "The events in group usually have to be from "
1191 "the same PMU. Try reorganizing the group.\n");
1194 static void print_percore_thread(struct perf_stat_config *config,
1195 struct evsel *counter, char *prefix)
1198 struct aggr_cpu_id s2, id;
1201 for (int i = 0; i < evsel__nr_cpus(counter); i++) {
1202 s2 = config->aggr_get_id(config, evsel__cpus(counter), i);
1203 for (s = 0; s < config->aggr_map->nr; s++) {
1204 id = config->aggr_map->map[s];
1205 if (cpu_map__compare_aggr_cpu_id(s2, id))
1209 print_counter_aggrdata(config, counter, s,
1215 static void print_percore(struct perf_stat_config *config,
1216 struct evsel *counter, char *prefix)
1218 bool metric_only = config->metric_only;
1219 FILE *output = config->output;
1223 if (!config->aggr_map || !config->aggr_get_id)
1226 if (config->percore_show_thread)
1227 return print_percore_thread(config, counter, prefix);
1229 for (s = 0; s < config->aggr_map->nr; s++) {
1230 if (prefix && metric_only)
1231 fprintf(output, "%s", prefix);
1233 print_counter_aggrdata(config, counter, s,
1234 prefix, metric_only,
1239 fputc('\n', output);
1242 void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config,
1243 struct target *_target, struct timespec *ts, int argc, const char **argv)
1245 bool metric_only = config->metric_only;
1246 int interval = config->interval;
1247 struct evsel *counter;
1248 char buf[64], *prefix = NULL;
1250 if (config->iostat_run)
1251 evlist->selected = evlist__first(evlist);
1254 print_interval(config, evlist, prefix = buf, ts);
1256 print_header(config, _target, argc, argv);
1259 static int num_print_iv;
1261 if (num_print_iv == 0 && !interval)
1262 print_metric_headers(config, evlist, prefix, false);
1263 if (num_print_iv++ == 25)
1265 if (config->aggr_mode == AGGR_GLOBAL && prefix && !config->iostat_run)
1266 fprintf(config->output, "%s", prefix);
1269 switch (config->aggr_mode) {
1274 print_aggr(config, evlist, prefix);
1277 evlist__for_each_entry(evlist, counter) {
1278 print_aggr_thread(config, _target, counter, prefix);
1282 if (config->iostat_run)
1283 iostat_print_counters(evlist, config, ts, prefix = buf,
1284 print_counter_aggr);
1286 evlist__for_each_entry(evlist, counter) {
1287 print_counter_aggr(config, counter, prefix);
1290 fputc('\n', config->output);
1295 print_no_aggr_metric(config, evlist, prefix);
1297 evlist__for_each_entry(evlist, counter) {
1298 if (counter->percore)
1299 print_percore(config, counter, prefix);
1301 print_counter(config, counter, prefix);
1310 if (!interval && !config->csv_output)
1311 print_footer(config);
1313 fflush(config->output);