4 #include <linux/string.h>
5 #include <linux/time64.h>
7 #include <perf/cpumap.h>
14 #include "thread_map.h"
17 #include <linux/ctype.h>
19 #include <api/fs/fs.h>
22 #include "pmu-hybrid.h"
23 #include "evlist-hybrid.h"
25 #define CNTR_NOT_SUPPORTED "<not supported>"
26 #define CNTR_NOT_COUNTED "<not counted>"
31 #define INTERVAL_LEN 16
37 static int aggr_header_lens[] = {
47 static const char *aggr_header_csv[] = {
48 [AGGR_CORE] = "core,cpus,",
49 [AGGR_DIE] = "die,cpus,",
50 [AGGR_SOCKET] = "socket,cpus,",
52 [AGGR_THREAD] = "comm-pid,",
53 [AGGR_NODE] = "node,",
57 static const char *aggr_header_std[] = {
60 [AGGR_SOCKET] = "socket",
62 [AGGR_THREAD] = "comm-pid",
67 static void print_running_std(struct perf_stat_config *config, u64 run, u64 ena)
70 fprintf(config->output, " (%.2f%%)", 100.0 * run / ena);
73 static void print_running_csv(struct perf_stat_config *config, u64 run, u64 ena)
75 double enabled_percent = 100;
78 enabled_percent = 100 * run / ena;
79 fprintf(config->output, "%s%" PRIu64 "%s%.2f",
80 config->csv_sep, run, config->csv_sep, enabled_percent);
83 static void print_running_json(struct perf_stat_config *config, u64 run, u64 ena)
85 double enabled_percent = 100;
88 enabled_percent = 100 * run / ena;
89 fprintf(config->output, "\"event-runtime\" : %" PRIu64 ", \"pcnt-running\" : %.2f, ",
90 run, enabled_percent);
93 static void print_running(struct perf_stat_config *config,
94 u64 run, u64 ena, bool before_metric)
96 if (config->json_output) {
98 print_running_json(config, run, ena);
99 } else if (config->csv_output) {
101 print_running_csv(config, run, ena);
104 print_running_std(config, run, ena);
108 static void print_noise_pct_std(struct perf_stat_config *config,
112 fprintf(config->output, " ( +-%6.2f%% )", pct);
115 static void print_noise_pct_csv(struct perf_stat_config *config,
118 fprintf(config->output, "%s%.2f%%", config->csv_sep, pct);
121 static void print_noise_pct_json(struct perf_stat_config *config,
124 fprintf(config->output, "\"variance\" : %.2f, ", pct);
127 static void print_noise_pct(struct perf_stat_config *config,
128 double total, double avg, bool before_metric)
130 double pct = rel_stddev_stats(total, avg);
132 if (config->json_output) {
134 print_noise_pct_json(config, pct);
135 } else if (config->csv_output) {
137 print_noise_pct_csv(config, pct);
140 print_noise_pct_std(config, pct);
144 static void print_noise(struct perf_stat_config *config,
145 struct evsel *evsel, double avg, bool before_metric)
147 struct perf_stat_evsel *ps;
149 if (config->run_count == 1)
153 print_noise_pct(config, stddev_stats(&ps->res_stats), avg, before_metric);
156 static void print_cgroup_std(struct perf_stat_config *config, const char *cgrp_name)
158 fprintf(config->output, " %-*s", CGROUP_LEN, cgrp_name);
161 static void print_cgroup_csv(struct perf_stat_config *config, const char *cgrp_name)
163 fprintf(config->output, "%s%s", config->csv_sep, cgrp_name);
166 static void print_cgroup_json(struct perf_stat_config *config, const char *cgrp_name)
168 fprintf(config->output, "\"cgroup\" : \"%s\", ", cgrp_name);
171 static void print_cgroup(struct perf_stat_config *config, struct cgroup *cgrp)
173 if (nr_cgroups || config->cgroup_list) {
174 const char *cgrp_name = cgrp ? cgrp->name : "";
176 if (config->json_output)
177 print_cgroup_json(config, cgrp_name);
178 else if (config->csv_output)
179 print_cgroup_csv(config, cgrp_name);
181 print_cgroup_std(config, cgrp_name);
185 static void print_aggr_id_std(struct perf_stat_config *config,
186 struct evsel *evsel, struct aggr_cpu_id id, int nr)
188 FILE *output = config->output;
189 int idx = config->aggr_mode;
192 switch (config->aggr_mode) {
194 snprintf(buf, sizeof(buf), "S%d-D%d-C%d", id.socket, id.die, id.core);
197 snprintf(buf, sizeof(buf), "S%d-D%d", id.socket, id.die);
200 snprintf(buf, sizeof(buf), "S%d", id.socket);
203 snprintf(buf, sizeof(buf), "N%d", id.node);
206 if (evsel->percore && !config->percore_show_thread) {
207 snprintf(buf, sizeof(buf), "S%d-D%d-C%d ",
208 id.socket, id.die, id.core);
209 fprintf(output, "%-*s ",
210 aggr_header_lens[AGGR_CORE], buf);
211 } else if (id.cpu.cpu > -1) {
212 fprintf(output, "CPU%-*d ",
213 aggr_header_lens[AGGR_NONE] - 3, id.cpu.cpu);
217 fprintf(output, "%*s-%-*d ",
218 COMM_LEN, perf_thread_map__comm(evsel->core.threads, id.thread_idx),
219 PID_LEN, perf_thread_map__pid(evsel->core.threads, id.thread_idx));
228 fprintf(output, "%-*s %*d ", aggr_header_lens[idx], buf, 4, nr);
231 static void print_aggr_id_csv(struct perf_stat_config *config,
232 struct evsel *evsel, struct aggr_cpu_id id, int nr)
234 FILE *output = config->output;
235 const char *sep = config->csv_sep;
237 switch (config->aggr_mode) {
239 fprintf(output, "S%d-D%d-C%d%s%d%s",
240 id.socket, id.die, id.core, sep, nr, sep);
243 fprintf(output, "S%d-D%d%s%d%s",
244 id.socket, id.die, sep, nr, sep);
247 fprintf(output, "S%d%s%d%s",
248 id.socket, sep, nr, sep);
251 fprintf(output, "N%d%s%d%s",
252 id.node, sep, nr, sep);
255 if (evsel->percore && !config->percore_show_thread) {
256 fprintf(output, "S%d-D%d-C%d%s",
257 id.socket, id.die, id.core, sep);
258 } else if (id.cpu.cpu > -1) {
259 fprintf(output, "CPU%d%s",
264 fprintf(output, "%s-%d%s",
265 perf_thread_map__comm(evsel->core.threads, id.thread_idx),
266 perf_thread_map__pid(evsel->core.threads, id.thread_idx),
277 static void print_aggr_id_json(struct perf_stat_config *config,
278 struct evsel *evsel, struct aggr_cpu_id id, int nr)
280 FILE *output = config->output;
282 switch (config->aggr_mode) {
284 fprintf(output, "\"core\" : \"S%d-D%d-C%d\", \"aggregate-number\" : %d, ",
285 id.socket, id.die, id.core, nr);
288 fprintf(output, "\"die\" : \"S%d-D%d\", \"aggregate-number\" : %d, ",
289 id.socket, id.die, nr);
292 fprintf(output, "\"socket\" : \"S%d\", \"aggregate-number\" : %d, ",
296 fprintf(output, "\"node\" : \"N%d\", \"aggregate-number\" : %d, ",
300 if (evsel->percore && !config->percore_show_thread) {
301 fprintf(output, "\"core\" : \"S%d-D%d-C%d\"",
302 id.socket, id.die, id.core);
303 } else if (id.cpu.cpu > -1) {
304 fprintf(output, "\"cpu\" : \"%d\", ",
309 fprintf(output, "\"thread\" : \"%s-%d\", ",
310 perf_thread_map__comm(evsel->core.threads, id.thread_idx),
311 perf_thread_map__pid(evsel->core.threads, id.thread_idx));
321 static void aggr_printout(struct perf_stat_config *config,
322 struct evsel *evsel, struct aggr_cpu_id id, int nr)
324 if (config->json_output)
325 print_aggr_id_json(config, evsel, id, nr);
326 else if (config->csv_output)
327 print_aggr_id_csv(config, evsel, id, nr);
329 print_aggr_id_std(config, evsel, id, nr);
339 struct aggr_cpu_id id;
344 static void new_line_std(struct perf_stat_config *config __maybe_unused,
347 struct outstate *os = ctx;
352 static void do_new_line_std(struct perf_stat_config *config,
357 fputs(os->prefix, os->fh);
358 aggr_printout(config, os->evsel, os->id, os->nr);
359 if (config->aggr_mode == AGGR_NONE)
360 fprintf(os->fh, " ");
361 fprintf(os->fh, " ");
364 static void print_metric_std(struct perf_stat_config *config,
365 void *ctx, const char *color, const char *fmt,
366 const char *unit, double val)
368 struct outstate *os = ctx;
371 bool newline = os->newline;
375 if (unit == NULL || fmt == NULL) {
376 fprintf(out, "%-*s", METRIC_LEN, "");
381 do_new_line_std(config, os);
383 n = fprintf(out, " # ");
385 n += color_fprintf(out, color, fmt, val);
387 n += fprintf(out, fmt, val);
388 fprintf(out, " %-*s", METRIC_LEN - n - 1, unit);
391 static void new_line_csv(struct perf_stat_config *config, void *ctx)
393 struct outstate *os = ctx;
398 fprintf(os->fh, "%s", os->prefix);
399 aggr_printout(config, os->evsel, os->id, os->nr);
400 for (i = 0; i < os->nfields; i++)
401 fputs(config->csv_sep, os->fh);
404 static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
406 const char *color __maybe_unused,
407 const char *fmt, const char *unit, double val)
409 struct outstate *os = ctx;
411 char buf[64], *vals, *ends;
413 if (unit == NULL || fmt == NULL) {
414 fprintf(out, "%s%s", config->csv_sep, config->csv_sep);
417 snprintf(buf, sizeof(buf), fmt, val);
418 ends = vals = skip_spaces(buf);
419 while (isdigit(*ends) || *ends == '.')
422 fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, skip_spaces(unit));
425 static void print_metric_json(struct perf_stat_config *config __maybe_unused,
427 const char *color __maybe_unused,
428 const char *fmt __maybe_unused,
429 const char *unit, double val)
431 struct outstate *os = ctx;
434 fprintf(out, "\"metric-value\" : %f, ", val);
435 fprintf(out, "\"metric-unit\" : \"%s\"", unit);
436 if (!config->metric_only)
440 static void new_line_json(struct perf_stat_config *config, void *ctx)
442 struct outstate *os = ctx;
444 fputs("\n{", os->fh);
446 fprintf(os->fh, "%s", os->prefix);
447 aggr_printout(config, os->evsel, os->id, os->nr);
450 /* Filter out some columns that don't work well in metrics only mode */
452 static bool valid_only_metric(const char *unit)
456 if (strstr(unit, "/sec") ||
457 strstr(unit, "CPUs utilized"))
462 static const char *fixunit(char *buf, struct evsel *evsel,
465 if (!strncmp(unit, "of all", 6)) {
466 snprintf(buf, 1024, "%s %s", evsel__name(evsel),
473 static void print_metric_only(struct perf_stat_config *config,
474 void *ctx, const char *color, const char *fmt,
475 const char *unit, double val)
477 struct outstate *os = ctx;
479 char buf[1024], str[1024];
480 unsigned mlen = config->metric_only_len;
482 if (!valid_only_metric(unit))
484 unit = fixunit(buf, os->evsel, unit);
485 if (mlen < strlen(unit))
486 mlen = strlen(unit) + 1;
489 mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
491 color_snprintf(str, sizeof(str), color ?: "", fmt, val);
492 fprintf(out, "%*s ", mlen, str);
496 static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused,
497 void *ctx, const char *color __maybe_unused,
499 const char *unit, double val)
501 struct outstate *os = ctx;
503 char buf[64], *vals, *ends;
506 if (!valid_only_metric(unit))
508 unit = fixunit(tbuf, os->evsel, unit);
509 snprintf(buf, sizeof buf, fmt, val);
510 ends = vals = skip_spaces(buf);
511 while (isdigit(*ends) || *ends == '.')
514 fprintf(out, "%s%s", vals, config->csv_sep);
518 static void print_metric_only_json(struct perf_stat_config *config __maybe_unused,
519 void *ctx, const char *color __maybe_unused,
521 const char *unit, double val)
523 struct outstate *os = ctx;
525 char buf[64], *vals, *ends;
528 if (!valid_only_metric(unit))
530 unit = fixunit(tbuf, os->evsel, unit);
531 snprintf(buf, sizeof(buf), fmt, val);
532 ends = vals = skip_spaces(buf);
533 while (isdigit(*ends) || *ends == '.')
536 if (!unit[0] || !vals[0])
538 fprintf(out, "%s\"%s\" : \"%s\"", os->first ? "" : ", ", unit, vals);
542 static void new_line_metric(struct perf_stat_config *config __maybe_unused,
543 void *ctx __maybe_unused)
547 static void print_metric_header(struct perf_stat_config *config,
548 void *ctx, const char *color __maybe_unused,
549 const char *fmt __maybe_unused,
550 const char *unit, double val __maybe_unused)
552 struct outstate *os = ctx;
555 /* In case of iostat, print metric header for first root port only */
556 if (config->iostat_run &&
557 os->evsel->priv != os->evsel->evlist->selected->priv)
560 if (os->evsel->cgrp != os->cgrp)
563 if (!valid_only_metric(unit))
565 unit = fixunit(tbuf, os->evsel, unit);
567 if (config->json_output)
569 else if (config->csv_output)
570 fprintf(os->fh, "%s%s", unit, config->csv_sep);
572 fprintf(os->fh, "%*s ", config->metric_only_len, unit);
575 static void print_counter_value_std(struct perf_stat_config *config,
576 struct evsel *evsel, double avg, bool ok)
578 FILE *output = config->output;
579 double sc = evsel->scale;
581 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED;
584 fmt = floor(sc) != sc ? "%'*.2f " : "%'*.0f ";
586 fmt = floor(sc) != sc ? "%*.2f " : "%*.0f ";
589 fprintf(output, fmt, COUNTS_LEN, avg);
591 fprintf(output, "%*s ", COUNTS_LEN, bad_count);
594 fprintf(output, "%-*s ", config->unit_width, evsel->unit);
596 fprintf(output, "%-*s", EVNAME_LEN, evsel__name(evsel));
599 static void print_counter_value_csv(struct perf_stat_config *config,
600 struct evsel *evsel, double avg, bool ok)
602 FILE *output = config->output;
603 double sc = evsel->scale;
604 const char *sep = config->csv_sep;
605 const char *fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s";
606 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED;
609 fprintf(output, fmt, avg, sep);
611 fprintf(output, "%s%s", bad_count, sep);
614 fprintf(output, "%s%s", evsel->unit, sep);
616 fprintf(output, "%s", evsel__name(evsel));
619 static void print_counter_value_json(struct perf_stat_config *config,
620 struct evsel *evsel, double avg, bool ok)
622 FILE *output = config->output;
623 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED;
626 fprintf(output, "\"counter-value\" : \"%f\", ", avg);
628 fprintf(output, "\"counter-value\" : \"%s\", ", bad_count);
631 fprintf(output, "\"unit\" : \"%s\", ", evsel->unit);
633 fprintf(output, "\"event\" : \"%s\", ", evsel__name(evsel));
636 static void print_counter_value(struct perf_stat_config *config,
637 struct evsel *evsel, double avg, bool ok)
639 if (config->json_output)
640 print_counter_value_json(config, evsel, avg, ok);
641 else if (config->csv_output)
642 print_counter_value_csv(config, evsel, avg, ok);
644 print_counter_value_std(config, evsel, avg, ok);
647 static void abs_printout(struct perf_stat_config *config,
648 struct aggr_cpu_id id, int nr,
649 struct evsel *evsel, double avg, bool ok)
651 aggr_printout(config, evsel, id, nr);
652 print_counter_value(config, evsel, avg, ok);
653 print_cgroup(config, evsel->cgrp);
656 static bool is_mixed_hw_group(struct evsel *counter)
658 struct evlist *evlist = counter->evlist;
659 u32 pmu_type = counter->core.attr.type;
662 if (counter->core.nr_members < 2)
665 evlist__for_each_entry(evlist, pos) {
666 /* software events can be part of any hardware group */
667 if (pos->core.attr.type == PERF_TYPE_SOFTWARE)
669 if (pmu_type == PERF_TYPE_SOFTWARE) {
670 pmu_type = pos->core.attr.type;
673 if (pmu_type != pos->core.attr.type)
680 static void printout(struct perf_stat_config *config, struct outstate *os,
681 double uval, u64 run, u64 ena, double noise, int map_idx)
683 struct perf_stat_output_ctx out;
687 struct evsel *counter = os->evsel;
689 if (config->csv_output) {
690 pm = config->metric_only ? print_metric_only_csv : print_metric_csv;
691 nl = config->metric_only ? new_line_metric : new_line_csv;
692 os->nfields = 4 + (counter->cgrp ? 1 : 0);
693 } else if (config->json_output) {
694 pm = config->metric_only ? print_metric_only_json : print_metric_json;
695 nl = config->metric_only ? new_line_metric : new_line_json;
697 pm = config->metric_only ? print_metric_only : print_metric_std;
698 nl = config->metric_only ? new_line_metric : new_line_std;
701 if (run == 0 || ena == 0 || counter->counts->scaled == -1) {
702 if (config->metric_only) {
703 pm(config, os, NULL, "", "", 0);
709 if (counter->supported) {
710 if (!evlist__has_hybrid(counter->evlist)) {
711 config->print_free_counters_hint = 1;
712 if (is_mixed_hw_group(counter))
713 config->print_mixed_hw_group_error = 1;
718 out.print_metric = pm;
721 out.force_header = false;
723 if (!config->metric_only) {
724 abs_printout(config, os->id, os->nr, counter, uval, ok);
726 print_noise(config, counter, noise, /*before_metric=*/true);
727 print_running(config, run, ena, /*before_metric=*/true);
731 perf_stat__print_shadow_stats(config, counter, uval, map_idx,
732 &out, &config->metric_events, &rt_stat);
734 pm(config, os, /*color=*/NULL, /*format=*/NULL, /*unit=*/"", /*val=*/0);
737 if (!config->metric_only) {
738 print_noise(config, counter, noise, /*before_metric=*/false);
739 print_running(config, run, ena, /*before_metric=*/false);
743 static void uniquify_event_name(struct evsel *counter)
749 if (counter->uniquified_name || counter->use_config_name ||
750 !counter->pmu_name || !strncmp(counter->name, counter->pmu_name,
751 strlen(counter->pmu_name)))
754 config = strchr(counter->name, '/');
756 if (asprintf(&new_name,
757 "%s%s", counter->pmu_name, config) > 0) {
759 counter->name = new_name;
762 if (evsel__is_hybrid(counter)) {
763 ret = asprintf(&new_name, "%s/%s/",
764 counter->pmu_name, counter->name);
766 ret = asprintf(&new_name, "%s [%s]",
767 counter->name, counter->pmu_name);
772 counter->name = new_name;
776 counter->uniquified_name = true;
779 static bool hybrid_uniquify(struct evsel *evsel, struct perf_stat_config *config)
781 return evsel__is_hybrid(evsel) && !config->hybrid_merge;
784 static void uniquify_counter(struct perf_stat_config *config, struct evsel *counter)
786 if (config->no_merge || hybrid_uniquify(counter, config))
787 uniquify_event_name(counter);
790 static void print_counter_aggrdata(struct perf_stat_config *config,
791 struct evsel *counter, int s,
794 FILE *output = config->output;
797 struct perf_stat_evsel *ps = counter->stats;
798 struct perf_stat_aggr *aggr = &ps->aggr[s];
799 struct aggr_cpu_id id = config->aggr_map->map[s];
800 double avg = aggr->counts.val;
801 bool metric_only = config->metric_only;
807 /* Skip already merged uncore/hybrid events */
808 if (counter->merged_stat)
811 uniquify_counter(config, counter);
813 val = aggr->counts.val;
814 ena = aggr->counts.ena;
815 run = aggr->counts.run;
818 * Skip value 0 when enabling --per-thread globally, otherwise it will
819 * have too many 0 output.
821 if (val == 0 && config->aggr_mode == AGGR_THREAD && config->system_wide)
825 if (config->json_output)
828 fprintf(output, "%s", os->prefix);
829 else if (config->summary && config->csv_output &&
830 !config->no_csv_summary && !config->interval)
831 fprintf(output, "%s%s", "summary", config->csv_sep);
834 uval = val * counter->scale;
836 printout(config, os, uval, run, ena, avg, s);
842 static void print_metric_begin(struct perf_stat_config *config,
843 struct evlist *evlist,
844 struct outstate *os, int aggr_idx)
846 struct perf_stat_aggr *aggr;
847 struct aggr_cpu_id id;
851 if (!config->metric_only)
854 if (config->json_output)
855 fputc('{', config->output);
857 fprintf(config->output, "%s", os->prefix);
859 evsel = evlist__first(evlist);
860 id = config->aggr_map->map[aggr_idx];
861 aggr = &evsel->stats->aggr[aggr_idx];
862 aggr_printout(config, evsel, id, aggr->nr);
864 print_cgroup(config, os->cgrp ? : evsel->cgrp);
867 static void print_metric_end(struct perf_stat_config *config, struct outstate *os)
869 FILE *output = config->output;
871 if (!config->metric_only)
874 if (config->json_output) {
876 fputs("\"metric-value\" : \"none\"", output);
882 static void print_aggr(struct perf_stat_config *config,
883 struct evlist *evlist,
886 struct evsel *counter;
889 if (!config->aggr_map || !config->aggr_get_id)
893 * With metric_only everything is on a single line.
894 * Without each counter has its own line.
896 for (s = 0; s < config->aggr_map->nr; s++) {
897 print_metric_begin(config, evlist, os, s);
899 evlist__for_each_entry(evlist, counter) {
900 print_counter_aggrdata(config, counter, s, os);
902 print_metric_end(config, os);
906 static void print_aggr_cgroup(struct perf_stat_config *config,
907 struct evlist *evlist,
910 struct evsel *counter, *evsel;
913 if (!config->aggr_map || !config->aggr_get_id)
916 evlist__for_each_entry(evlist, evsel) {
917 if (os->cgrp == evsel->cgrp)
920 os->cgrp = evsel->cgrp;
922 for (s = 0; s < config->aggr_map->nr; s++) {
923 print_metric_begin(config, evlist, os, s);
925 evlist__for_each_entry(evlist, counter) {
926 if (counter->cgrp != os->cgrp)
929 print_counter_aggrdata(config, counter, s, os);
931 print_metric_end(config, os);
936 static void print_counter(struct perf_stat_config *config,
937 struct evsel *counter, struct outstate *os)
941 /* AGGR_THREAD doesn't have config->aggr_get_id */
942 if (!config->aggr_map)
945 for (s = 0; s < config->aggr_map->nr; s++) {
946 print_counter_aggrdata(config, counter, s, os);
950 static void print_no_aggr_metric(struct perf_stat_config *config,
951 struct evlist *evlist,
957 perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) {
958 struct evsel *counter;
961 evlist__for_each_entry(evlist, counter) {
964 struct perf_stat_evsel *ps = counter->stats;
965 int counter_idx = perf_cpu_map__idx(evsel__cpus(counter), cpu);
971 os->id = aggr_cpu_id__cpu(cpu, /*data=*/NULL);
973 print_metric_begin(config, evlist, os, counter_idx);
976 val = ps->aggr[counter_idx].counts.val;
977 ena = ps->aggr[counter_idx].counts.ena;
978 run = ps->aggr[counter_idx].counts.run;
980 uval = val * counter->scale;
981 printout(config, os, uval, run, ena, 1.0, counter_idx);
984 print_metric_end(config, os);
988 static void print_metric_headers_std(struct perf_stat_config *config,
991 fputc(' ', config->output);
994 int len = aggr_header_lens[config->aggr_mode];
996 if (nr_cgroups || config->cgroup_list)
997 len += CGROUP_LEN + 1;
999 fprintf(config->output, "%*s", len, "");
1003 static void print_metric_headers_csv(struct perf_stat_config *config,
1004 bool no_indent __maybe_unused)
1006 if (config->interval)
1007 fputs("time,", config->output);
1008 if (!config->iostat_run)
1009 fputs(aggr_header_csv[config->aggr_mode], config->output);
1012 static void print_metric_headers_json(struct perf_stat_config *config __maybe_unused,
1013 bool no_indent __maybe_unused)
1017 static void print_metric_headers(struct perf_stat_config *config,
1018 struct evlist *evlist, bool no_indent)
1020 struct evsel *counter;
1021 struct outstate os = {
1022 .fh = config->output
1024 struct perf_stat_output_ctx out = {
1026 .print_metric = print_metric_header,
1027 .new_line = new_line_metric,
1028 .force_header = true,
1031 if (config->json_output)
1032 print_metric_headers_json(config, no_indent);
1033 else if (config->csv_output)
1034 print_metric_headers_csv(config, no_indent);
1036 print_metric_headers_std(config, no_indent);
1038 if (config->iostat_run)
1039 iostat_print_header_prefix(config);
1041 if (config->cgroup_list)
1042 os.cgrp = evlist__first(evlist)->cgrp;
1044 /* Print metrics headers only */
1045 evlist__for_each_entry(evlist, counter) {
1048 perf_stat__print_shadow_stats(config, counter, 0,
1051 &config->metric_events,
1055 if (!config->json_output)
1056 fputc('\n', config->output);
1059 static void prepare_interval(struct perf_stat_config *config,
1060 char *prefix, size_t len, struct timespec *ts)
1062 if (config->iostat_run)
1065 if (config->json_output)
1066 scnprintf(prefix, len, "\"interval\" : %lu.%09lu, ",
1067 (unsigned long) ts->tv_sec, ts->tv_nsec);
1068 else if (config->csv_output)
1069 scnprintf(prefix, len, "%lu.%09lu%s",
1070 (unsigned long) ts->tv_sec, ts->tv_nsec, config->csv_sep);
1072 scnprintf(prefix, len, "%6lu.%09lu ",
1073 (unsigned long) ts->tv_sec, ts->tv_nsec);
1076 static void print_header_interval_std(struct perf_stat_config *config,
1077 struct target *_target __maybe_unused,
1078 struct evlist *evlist,
1079 int argc __maybe_unused,
1080 const char **argv __maybe_unused)
1082 FILE *output = config->output;
1084 switch (config->aggr_mode) {
1089 fprintf(output, "#%*s %-*s cpus",
1090 INTERVAL_LEN - 1, "time",
1091 aggr_header_lens[config->aggr_mode],
1092 aggr_header_std[config->aggr_mode]);
1095 fprintf(output, "#%*s %-*s",
1096 INTERVAL_LEN - 1, "time",
1097 aggr_header_lens[config->aggr_mode],
1098 aggr_header_std[config->aggr_mode]);
1101 fprintf(output, "#%*s %*s-%-*s",
1102 INTERVAL_LEN - 1, "time",
1103 COMM_LEN, "comm", PID_LEN, "pid");
1107 if (!config->iostat_run)
1108 fprintf(output, "#%*s",
1109 INTERVAL_LEN - 1, "time");
1115 if (config->metric_only)
1116 print_metric_headers(config, evlist, true);
1118 fprintf(output, " %*s %*s events\n",
1119 COUNTS_LEN, "counts", config->unit_width, "unit");
1122 static void print_header_std(struct perf_stat_config *config,
1123 struct target *_target, struct evlist *evlist,
1124 int argc, const char **argv)
1126 FILE *output = config->output;
1129 fprintf(output, "\n");
1130 fprintf(output, " Performance counter stats for ");
1131 if (_target->bpf_str)
1132 fprintf(output, "\'BPF program(s) %s", _target->bpf_str);
1133 else if (_target->system_wide)
1134 fprintf(output, "\'system wide");
1135 else if (_target->cpu_list)
1136 fprintf(output, "\'CPU(s) %s", _target->cpu_list);
1137 else if (!target__has_task(_target)) {
1138 fprintf(output, "\'%s", argv ? argv[0] : "pipe");
1139 for (i = 1; argv && (i < argc); i++)
1140 fprintf(output, " %s", argv[i]);
1141 } else if (_target->pid)
1142 fprintf(output, "process id \'%s", _target->pid);
1144 fprintf(output, "thread id \'%s", _target->tid);
1146 fprintf(output, "\'");
1147 if (config->run_count > 1)
1148 fprintf(output, " (%d runs)", config->run_count);
1149 fprintf(output, ":\n\n");
1151 if (config->metric_only)
1152 print_metric_headers(config, evlist, false);
1155 static void print_header_csv(struct perf_stat_config *config,
1156 struct target *_target __maybe_unused,
1157 struct evlist *evlist,
1158 int argc __maybe_unused,
1159 const char **argv __maybe_unused)
1161 if (config->metric_only)
1162 print_metric_headers(config, evlist, true);
1164 static void print_header_json(struct perf_stat_config *config,
1165 struct target *_target __maybe_unused,
1166 struct evlist *evlist,
1167 int argc __maybe_unused,
1168 const char **argv __maybe_unused)
1170 if (config->metric_only)
1171 print_metric_headers(config, evlist, true);
1174 static void print_header(struct perf_stat_config *config,
1175 struct target *_target,
1176 struct evlist *evlist,
1177 int argc, const char **argv)
1179 static int num_print_iv;
1183 if (config->interval_clear)
1184 puts(CONSOLE_CLEAR);
1186 if (num_print_iv == 0 || config->interval_clear) {
1187 if (config->json_output)
1188 print_header_json(config, _target, evlist, argc, argv);
1189 else if (config->csv_output)
1190 print_header_csv(config, _target, evlist, argc, argv);
1191 else if (config->interval)
1192 print_header_interval_std(config, _target, evlist, argc, argv);
1194 print_header_std(config, _target, evlist, argc, argv);
1197 if (num_print_iv++ == 25)
1201 static int get_precision(double num)
1206 return lround(ceil(-log10(num)));
1209 static void print_table(struct perf_stat_config *config,
1210 FILE *output, int precision, double avg)
1213 int idx, indent = 0;
1215 scnprintf(tmp, 64, " %17.*f", precision, avg);
1216 while (tmp[indent] == ' ')
1219 fprintf(output, "%*s# Table of individual measurements:\n", indent, "");
1221 for (idx = 0; idx < config->run_count; idx++) {
1222 double run = (double) config->walltime_run[idx] / NSEC_PER_SEC;
1223 int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5);
1225 fprintf(output, " %17.*f (%+.*f) ",
1226 precision, run, precision, run - avg);
1228 for (h = 0; h < n; h++)
1229 fprintf(output, "#");
1231 fprintf(output, "\n");
1234 fprintf(output, "\n%*s# Final result:\n", indent, "");
1237 static double timeval2double(struct timeval *t)
1239 return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC;
1242 static void print_footer(struct perf_stat_config *config)
1244 double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
1245 FILE *output = config->output;
1247 if (config->interval || config->csv_output || config->json_output)
1250 if (!config->null_run)
1251 fprintf(output, "\n");
1253 if (config->run_count == 1) {
1254 fprintf(output, " %17.9f seconds time elapsed", avg);
1256 if (config->ru_display) {
1257 double ru_utime = timeval2double(&config->ru_data.ru_utime);
1258 double ru_stime = timeval2double(&config->ru_data.ru_stime);
1260 fprintf(output, "\n\n");
1261 fprintf(output, " %17.9f seconds user\n", ru_utime);
1262 fprintf(output, " %17.9f seconds sys\n", ru_stime);
1265 double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
1267 * Display at most 2 more significant
1268 * digits than the stddev inaccuracy.
1270 int precision = get_precision(sd) + 2;
1272 if (config->walltime_run_table)
1273 print_table(config, output, precision, avg);
1275 fprintf(output, " %17.*f +- %.*f seconds time elapsed",
1276 precision, avg, precision, sd);
1278 print_noise_pct(config, sd, avg, /*before_metric=*/false);
1280 fprintf(output, "\n\n");
1282 if (config->print_free_counters_hint && sysctl__nmi_watchdog_enabled())
1284 "Some events weren't counted. Try disabling the NMI watchdog:\n"
1285 " echo 0 > /proc/sys/kernel/nmi_watchdog\n"
1287 " echo 1 > /proc/sys/kernel/nmi_watchdog\n");
1289 if (config->print_mixed_hw_group_error)
1291 "The events in group usually have to be from "
1292 "the same PMU. Try reorganizing the group.\n");
1295 static void print_percore(struct perf_stat_config *config,
1296 struct evsel *counter, struct outstate *os)
1298 bool metric_only = config->metric_only;
1299 FILE *output = config->output;
1300 struct cpu_aggr_map *core_map;
1303 if (!config->aggr_map || !config->aggr_get_id)
1306 if (config->percore_show_thread)
1307 return print_counter(config, counter, os);
1309 core_map = cpu_aggr_map__empty_new(config->aggr_map->nr);
1310 if (core_map == NULL) {
1311 fprintf(output, "Cannot allocate per-core aggr map for display\n");
1315 for (s = 0, c = 0; s < config->aggr_map->nr; s++) {
1316 struct perf_cpu curr_cpu = config->aggr_map->map[s].cpu;
1317 struct aggr_cpu_id core_id = aggr_cpu_id__core(curr_cpu, NULL);
1320 for (i = 0; i < c; i++) {
1321 if (aggr_cpu_id__equal(&core_map->map[i], &core_id)) {
1329 print_counter_aggrdata(config, counter, s, os);
1331 core_map->map[c++] = core_id;
1336 fputc('\n', output);
1339 static void print_cgroup_counter(struct perf_stat_config *config, struct evlist *evlist,
1340 struct outstate *os)
1342 struct evsel *counter;
1344 evlist__for_each_entry(evlist, counter) {
1345 if (os->cgrp != counter->cgrp) {
1346 if (os->cgrp != NULL)
1347 print_metric_end(config, os);
1349 os->cgrp = counter->cgrp;
1350 print_metric_begin(config, evlist, os, /*aggr_idx=*/0);
1353 print_counter(config, counter, os);
1356 print_metric_end(config, os);
1359 void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config,
1360 struct target *_target, struct timespec *ts,
1361 int argc, const char **argv)
1363 bool metric_only = config->metric_only;
1364 int interval = config->interval;
1365 struct evsel *counter;
1367 struct outstate os = {
1368 .fh = config->output,
1372 if (config->iostat_run)
1373 evlist->selected = evlist__first(evlist);
1377 prepare_interval(config, buf, sizeof(buf), ts);
1380 print_header(config, _target, evlist, argc, argv);
1382 switch (config->aggr_mode) {
1387 if (config->cgroup_list)
1388 print_aggr_cgroup(config, evlist, &os);
1390 print_aggr(config, evlist, &os);
1394 if (config->iostat_run) {
1395 iostat_print_counters(evlist, config, ts, buf,
1396 (iostat_print_counter_t)print_counter, &os);
1397 } else if (config->cgroup_list) {
1398 print_cgroup_counter(config, evlist, &os);
1400 print_metric_begin(config, evlist, &os, /*aggr_idx=*/0);
1401 evlist__for_each_entry(evlist, counter) {
1402 print_counter(config, counter, &os);
1404 print_metric_end(config, &os);
1409 print_no_aggr_metric(config, evlist, &os);
1411 evlist__for_each_entry(evlist, counter) {
1412 if (counter->percore)
1413 print_percore(config, counter, &os);
1415 print_counter(config, counter, &os);
1425 print_footer(config);
1427 fflush(config->output);