1 #include <stdlib.h> 1
2 #include <stdio.h>
3 #include <inttypes.h>
4 #include <linux/string.h>
5 #include <linux/time64.h>
6 #include <math.h>
7 #include <perf/cpumap.h>
8 #include "color.h"
9 #include "counts.h"
10 #include "evlist.h"
11 #include "evsel.h"
12 #include "stat.h"
13 #include "top.h"
14 #include "thread_map.h"
15 #include "cpumap.h"
16 #include "string2.h"
17 #include <linux/ctype.h>
18 #include "cgroup.h"
19 #include <api/fs/fs.h>
20 #include "util.h"
21 #include "iostat.h"
22 #include "pmu.h"
23 #include "pmus.h"
24
25 #define CNTR_NOT_SUPPORTED "<not supporte
26 #define CNTR_NOT_COUNTED "<not counted>
27
28 #define MGROUP_LEN 50
29 #define METRIC_LEN 38
30 #define EVNAME_LEN 32
31 #define COUNTS_LEN 18
32 #define INTERVAL_LEN 16
33 #define CGROUP_LEN 16
34 #define COMM_LEN 16
35 #define PID_LEN 7
36 #define CPUS_LEN 4
37
38 static int aggr_header_lens[] = {
39 [AGGR_CORE] = 18,
40 [AGGR_CACHE] = 22,
41 [AGGR_CLUSTER] = 20,
42 [AGGR_DIE] = 12,
43 [AGGR_SOCKET] = 6,
44 [AGGR_NODE] = 6,
45 [AGGR_NONE] = 6,
46 [AGGR_THREAD] = 16,
47 [AGGR_GLOBAL] = 0,
48 };
49
50 static const char *aggr_header_csv[] = {
51 [AGGR_CORE] = "core,cpus,",
52 [AGGR_CACHE] = "cache,cpus,",
53 [AGGR_CLUSTER] = "cluster,cpus,
54 [AGGR_DIE] = "die,cpus,",
55 [AGGR_SOCKET] = "socket,cpus,"
56 [AGGR_NONE] = "cpu,",
57 [AGGR_THREAD] = "comm-pid,",
58 [AGGR_NODE] = "node,",
59 [AGGR_GLOBAL] = ""
60 };
61
62 static const char *aggr_header_std[] = {
63 [AGGR_CORE] = "core",
64 [AGGR_CACHE] = "cache",
65 [AGGR_CLUSTER] = "cluster",
66 [AGGR_DIE] = "die",
67 [AGGR_SOCKET] = "socket",
68 [AGGR_NONE] = "cpu",
69 [AGGR_THREAD] = "comm-pid",
70 [AGGR_NODE] = "node",
71 [AGGR_GLOBAL] = ""
72 };
73
74 static void print_running_std(struct perf_stat
75 {
76 if (run != ena)
77 fprintf(config->output, " (%.
78 }
79
80 static void print_running_csv(struct perf_stat
81 {
82 double enabled_percent = 100;
83
84 if (run != ena)
85 enabled_percent = 100 * run /
86 fprintf(config->output, "%s%" PRIu64 "
87 config->csv_sep, run, config->
88 }
89
90 static void print_running_json(struct perf_sta
91 {
92 double enabled_percent = 100;
93
94 if (run != ena)
95 enabled_percent = 100 * run /
96 fprintf(config->output, "\"event-runti
97 run, enabled_percent);
98 }
99
100 static void print_running(struct perf_stat_con
101 u64 run, u64 ena, bo
102 {
103 if (config->json_output) {
104 if (before_metric)
105 print_running_json(con
106 } else if (config->csv_output) {
107 if (before_metric)
108 print_running_csv(conf
109 } else {
110 if (!before_metric)
111 print_running_std(conf
112 }
113 }
114
115 static void print_noise_pct_std(struct perf_st
116 double pct)
117 {
118 if (pct)
119 fprintf(config->output, " ( +
120 }
121
122 static void print_noise_pct_csv(struct perf_st
123 double pct)
124 {
125 fprintf(config->output, "%s%.2f%%", co
126 }
127
128 static void print_noise_pct_json(struct perf_s
129 double pct)
130 {
131 fprintf(config->output, "\"variance\"
132 }
133
134 static void print_noise_pct(struct perf_stat_c
135 double total, doub
136 {
137 double pct = rel_stddev_stats(total, a
138
139 if (config->json_output) {
140 if (before_metric)
141 print_noise_pct_json(c
142 } else if (config->csv_output) {
143 if (before_metric)
144 print_noise_pct_csv(co
145 } else {
146 if (!before_metric)
147 print_noise_pct_std(co
148 }
149 }
150
151 static void print_noise(struct perf_stat_confi
152 struct evsel *evsel, d
153 {
154 struct perf_stat_evsel *ps;
155
156 if (config->run_count == 1)
157 return;
158
159 ps = evsel->stats;
160 print_noise_pct(config, stddev_stats(&
161 }
162
163 static void print_cgroup_std(struct perf_stat_
164 {
165 fprintf(config->output, " %-*s", CGROU
166 }
167
168 static void print_cgroup_csv(struct perf_stat_
169 {
170 fprintf(config->output, "%s%s", config
171 }
172
173 static void print_cgroup_json(struct perf_stat
174 {
175 fprintf(config->output, "\"cgroup\" :
176 }
177
178 static void print_cgroup(struct perf_stat_conf
179 {
180 if (nr_cgroups || config->cgroup_list)
181 const char *cgrp_name = cgrp ?
182
183 if (config->json_output)
184 print_cgroup_json(conf
185 else if (config->csv_output)
186 print_cgroup_csv(confi
187 else
188 print_cgroup_std(confi
189 }
190 }
191
192 static void print_aggr_id_std(struct perf_stat
193 struct evsel *ev
194 {
195 FILE *output = config->output;
196 int idx = config->aggr_mode;
197 char buf[128];
198
199 switch (config->aggr_mode) {
200 case AGGR_CORE:
201 snprintf(buf, sizeof(buf), "S%
202 break;
203 case AGGR_CACHE:
204 snprintf(buf, sizeof(buf), "S%
205 id.socket, id.die, id
206 break;
207 case AGGR_CLUSTER:
208 snprintf(buf, sizeof(buf), "S%
209 break;
210 case AGGR_DIE:
211 snprintf(buf, sizeof(buf), "S%
212 break;
213 case AGGR_SOCKET:
214 snprintf(buf, sizeof(buf), "S%
215 break;
216 case AGGR_NODE:
217 snprintf(buf, sizeof(buf), "N%
218 break;
219 case AGGR_NONE:
220 if (evsel->percore && !config-
221 snprintf(buf, sizeof(b
222 id.socket, id.
223 fprintf(output, "%-*s
224 aggr_header_le
225 } else if (id.cpu.cpu > -1) {
226 fprintf(output, "CPU%-
227 aggr_header_le
228 }
229 return;
230 case AGGR_THREAD:
231 fprintf(output, "%*s-%-*d ",
232 COMM_LEN, perf_thread_
233 PID_LEN, perf_thread_m
234 return;
235 case AGGR_GLOBAL:
236 case AGGR_UNSET:
237 case AGGR_MAX:
238 default:
239 return;
240 }
241
242 fprintf(output, "%-*s %*d ", aggr_head
243 }
244
245 static void print_aggr_id_csv(struct perf_stat
246 struct evsel *ev
247 {
248 FILE *output = config->output;
249 const char *sep = config->csv_sep;
250
251 switch (config->aggr_mode) {
252 case AGGR_CORE:
253 fprintf(output, "S%d-D%d-C%d%s
254 id.socket, id.die, id.
255 break;
256 case AGGR_CACHE:
257 fprintf(config->output, "S%d-D
258 id.socket, id.die, id.
259 break;
260 case AGGR_CLUSTER:
261 fprintf(config->output, "S%d-D
262 id.socket, id.die, id.
263 break;
264 case AGGR_DIE:
265 fprintf(output, "S%d-D%d%s%d%s
266 id.socket, id.die, sep
267 break;
268 case AGGR_SOCKET:
269 fprintf(output, "S%d%s%d%s",
270 id.socket, sep, aggr_n
271 break;
272 case AGGR_NODE:
273 fprintf(output, "N%d%s%d%s",
274 id.node, sep, aggr_nr,
275 break;
276 case AGGR_NONE:
277 if (evsel->percore && !config-
278 fprintf(output, "S%d-D
279 id.socket, id.
280 } else if (id.cpu.cpu > -1) {
281 fprintf(output, "CPU%d
282 id.cpu.cpu, se
283 }
284 break;
285 case AGGR_THREAD:
286 fprintf(output, "%s-%d%s",
287 perf_thread_map__comm(
288 perf_thread_map__pid(e
289 sep);
290 break;
291 case AGGR_GLOBAL:
292 case AGGR_UNSET:
293 case AGGR_MAX:
294 default:
295 break;
296 }
297 }
298
299 static void print_aggr_id_json(struct perf_sta
300 struct evsel *e
301 {
302 FILE *output = config->output;
303
304 switch (config->aggr_mode) {
305 case AGGR_CORE:
306 fprintf(output, "\"core\" : \"
307 id.socket, id.die, id.
308 break;
309 case AGGR_CACHE:
310 fprintf(output, "\"cache\" : \
311 id.socket, id.die, id.
312 break;
313 case AGGR_CLUSTER:
314 fprintf(output, "\"cluster\" :
315 id.socket, id.die, id.
316 break;
317 case AGGR_DIE:
318 fprintf(output, "\"die\" : \"S
319 id.socket, id.die, agg
320 break;
321 case AGGR_SOCKET:
322 fprintf(output, "\"socket\" :
323 id.socket, aggr_nr);
324 break;
325 case AGGR_NODE:
326 fprintf(output, "\"node\" : \"
327 id.node, aggr_nr);
328 break;
329 case AGGR_NONE:
330 if (evsel->percore && !config-
331 fprintf(output, "\"cor
332 id.socket, id.
333 } else if (id.cpu.cpu > -1) {
334 fprintf(output, "\"cpu
335 id.cpu.cpu);
336 }
337 break;
338 case AGGR_THREAD:
339 fprintf(output, "\"thread\" :
340 perf_thread_map__comm(
341 perf_thread_map__pid(e
342 break;
343 case AGGR_GLOBAL:
344 case AGGR_UNSET:
345 case AGGR_MAX:
346 default:
347 break;
348 }
349 }
350
351 static void aggr_printout(struct perf_stat_con
352 struct evsel *evsel,
353 {
354 if (config->json_output)
355 print_aggr_id_json(config, evs
356 else if (config->csv_output)
357 print_aggr_id_csv(config, evse
358 else
359 print_aggr_id_std(config, evse
360 }
361
362 struct outstate {
363 FILE *fh;
364 bool newline;
365 bool first;
366 const char *prefix;
367 int nfields;
368 int aggr_nr;
369 struct aggr_cpu_id id;
370 struct evsel *evsel;
371 struct cgroup *cgrp;
372 };
373
374 static void new_line_std(struct perf_stat_conf
375 void *ctx)
376 {
377 struct outstate *os = ctx;
378
379 os->newline = true;
380 }
381
382 static inline void __new_line_std_csv(struct p
383 struct o
384 {
385 fputc('\n', os->fh);
386 if (os->prefix)
387 fputs(os->prefix, os->fh);
388 aggr_printout(config, os->evsel, os->i
389 }
390
391 static inline void __new_line_std(struct outst
392 {
393 fprintf(os->fh, "
394 }
395
396 static void do_new_line_std(struct perf_stat_c
397 struct outstate *o
398 {
399 __new_line_std_csv(config, os);
400 if (config->aggr_mode == AGGR_NONE)
401 fprintf(os->fh, " ");
402 __new_line_std(os);
403 }
404
405 static void print_metric_std(struct perf_stat_
406 void *ctx, const
407 const char *unit,
408 {
409 struct outstate *os = ctx;
410 FILE *out = os->fh;
411 int n;
412 bool newline = os->newline;
413
414 os->newline = false;
415
416 if (unit == NULL || fmt == NULL) {
417 fprintf(out, "%-*s", METRIC_LE
418 return;
419 }
420
421 if (newline)
422 do_new_line_std(config, os);
423
424 n = fprintf(out, " # ");
425 if (color)
426 n += color_fprintf(out, color,
427 else
428 n += fprintf(out, fmt, val);
429 fprintf(out, " %-*s", METRIC_LEN - n -
430 }
431
432 static void new_line_csv(struct perf_stat_conf
433 {
434 struct outstate *os = ctx;
435 int i;
436
437 __new_line_std_csv(config, os);
438 for (i = 0; i < os->nfields; i++)
439 fputs(config->csv_sep, os->fh)
440 }
441
442 static void print_metric_csv(struct perf_stat_
443 void *ctx,
444 const char *color
445 const char *fmt,
446 {
447 struct outstate *os = ctx;
448 FILE *out = os->fh;
449 char buf[64], *vals, *ends;
450
451 if (unit == NULL || fmt == NULL) {
452 fprintf(out, "%s%s", config->c
453 return;
454 }
455 snprintf(buf, sizeof(buf), fmt, val);
456 ends = vals = skip_spaces(buf);
457 while (isdigit(*ends) || *ends == '.')
458 ends++;
459 *ends = 0;
460 fprintf(out, "%s%s%s%s", config->csv_s
461 }
462
463 static void print_metric_json(struct perf_stat
464 void *ctx,
465 const char *color
466 const char *fmt _
467 const char *unit,
468 {
469 struct outstate *os = ctx;
470 FILE *out = os->fh;
471
472 fprintf(out, "\"metric-value\" : \"%f\
473 fprintf(out, "\"metric-unit\" : \"%s\"
474 if (!config->metric_only)
475 fprintf(out, "}");
476 }
477
478 static void new_line_json(struct perf_stat_con
479 {
480 struct outstate *os = ctx;
481
482 fputs("\n{", os->fh);
483 if (os->prefix)
484 fprintf(os->fh, "%s", os->pref
485 aggr_printout(config, os->evsel, os->i
486 }
487
488 static void print_metricgroup_header_json(stru
489 void
490 cons
491 {
492 if (!metricgroup_name)
493 return;
494
495 fprintf(config->output, "\"metricgroup
496 new_line_json(config, ctx);
497 }
498
499 static void print_metricgroup_header_csv(struc
500 void
501 const
502 {
503 struct outstate *os = ctx;
504 int i;
505
506 if (!metricgroup_name) {
507 /* Leave space for running and
508 for (i = 0; i < os->nfields -
509 fputs(config->csv_sep,
510 return;
511 }
512
513 for (i = 0; i < os->nfields; i++)
514 fputs(config->csv_sep, os->fh)
515 fprintf(config->output, "%s", metricgr
516 new_line_csv(config, ctx);
517 }
518
519 static void print_metricgroup_header_std(struc
520 void
521 const
522 {
523 struct outstate *os = ctx;
524 int n;
525
526 if (!metricgroup_name) {
527 __new_line_std(os);
528 return;
529 }
530
531 n = fprintf(config->output, " %*s", EV
532
533 fprintf(config->output, "%*s", MGROUP_
534 }
535
536 /* Filter out some columns that don't work wel
537
538 static bool valid_only_metric(const char *unit
539 {
540 if (!unit)
541 return false;
542 if (strstr(unit, "/sec") ||
543 strstr(unit, "CPUs utilized"))
544 return false;
545 return true;
546 }
547
548 static const char *fixunit(char *buf, struct e
549 const char *unit)
550 {
551 if (!strncmp(unit, "of all", 6)) {
552 snprintf(buf, 1024, "%s %s", e
553 unit);
554 return buf;
555 }
556 return unit;
557 }
558
559 static void print_metric_only(struct perf_stat
560 void *ctx, const
561 const char *unit
562 {
563 struct outstate *os = ctx;
564 FILE *out = os->fh;
565 char buf[1024], str[1024];
566 unsigned mlen = config->metric_only_le
567
568 if (!valid_only_metric(unit))
569 return;
570 unit = fixunit(buf, os->evsel, unit);
571 if (mlen < strlen(unit))
572 mlen = strlen(unit) + 1;
573
574 if (color)
575 mlen += strlen(color) + sizeof
576
577 color_snprintf(str, sizeof(str), color
578 fprintf(out, "%*s ", mlen, str);
579 os->first = false;
580 }
581
582 static void print_metric_only_csv(struct perf_
583 void *ctx, c
584 const char *
585 const char *
586 {
587 struct outstate *os = ctx;
588 FILE *out = os->fh;
589 char buf[64], *vals, *ends;
590 char tbuf[1024];
591
592 if (!valid_only_metric(unit))
593 return;
594 unit = fixunit(tbuf, os->evsel, unit);
595 snprintf(buf, sizeof(buf), fmt ?: "",
596 ends = vals = skip_spaces(buf);
597 while (isdigit(*ends) || *ends == '.')
598 ends++;
599 *ends = 0;
600 fprintf(out, "%s%s", vals, config->csv
601 os->first = false;
602 }
603
604 static void print_metric_only_json(struct perf
605 void *ctx, c
606 const char *
607 const char *
608 {
609 struct outstate *os = ctx;
610 FILE *out = os->fh;
611 char buf[64], *vals, *ends;
612 char tbuf[1024];
613
614 if (!valid_only_metric(unit))
615 return;
616 unit = fixunit(tbuf, os->evsel, unit);
617 snprintf(buf, sizeof(buf), fmt ?: "",
618 ends = vals = skip_spaces(buf);
619 while (isdigit(*ends) || *ends == '.')
620 ends++;
621 *ends = 0;
622 if (!unit[0] || !vals[0])
623 return;
624 fprintf(out, "%s\"%s\" : \"%s\"", os->
625 os->first = false;
626 }
627
628 static void new_line_metric(struct perf_stat_c
629 void *ctx __maybe_
630 {
631 }
632
633 static void print_metric_header(struct perf_st
634 void *ctx, con
635 const char *fm
636 const char *un
637 {
638 struct outstate *os = ctx;
639 char tbuf[1024];
640
641 /* In case of iostat, print metric hea
642 if (config->iostat_run &&
643 os->evsel->priv != os->evsel->evli
644 return;
645
646 if (os->evsel->cgrp != os->cgrp)
647 return;
648
649 if (!valid_only_metric(unit))
650 return;
651 unit = fixunit(tbuf, os->evsel, unit);
652
653 if (config->json_output)
654 return;
655 else if (config->csv_output)
656 fprintf(os->fh, "%s%s", unit,
657 else
658 fprintf(os->fh, "%*s ", config
659 }
660
661 static void print_counter_value_std(struct per
662 struct evs
663 {
664 FILE *output = config->output;
665 double sc = evsel->scale;
666 const char *fmt;
667 const char *bad_count = evsel->support
668
669 if (config->big_num)
670 fmt = floor(sc) != sc ? "%'*.2
671 else
672 fmt = floor(sc) != sc ? "%*.2f
673
674 if (ok)
675 fprintf(output, fmt, COUNTS_LE
676 else
677 fprintf(output, "%*s ", COUNTS
678
679 if (evsel->unit)
680 fprintf(output, "%-*s ", confi
681
682 fprintf(output, "%-*s", EVNAME_LEN, ev
683 }
684
685 static void print_counter_value_csv(struct per
686 struct evs
687 {
688 FILE *output = config->output;
689 double sc = evsel->scale;
690 const char *sep = config->csv_sep;
691 const char *fmt = floor(sc) != sc ? "%
692 const char *bad_count = evsel->support
693
694 if (ok)
695 fprintf(output, fmt, avg, sep)
696 else
697 fprintf(output, "%s%s", bad_co
698
699 if (evsel->unit)
700 fprintf(output, "%s%s", evsel-
701
702 fprintf(output, "%s", evsel__name(evse
703 }
704
705 static void print_counter_value_json(struct pe
706 struct ev
707 {
708 FILE *output = config->output;
709 const char *bad_count = evsel->support
710
711 if (ok)
712 fprintf(output, "\"counter-val
713 else
714 fprintf(output, "\"counter-val
715
716 if (evsel->unit)
717 fprintf(output, "\"unit\" : \"
718
719 fprintf(output, "\"event\" : \"%s\", "
720 }
721
722 static void print_counter_value(struct perf_st
723 struct evsel *
724 {
725 if (config->json_output)
726 print_counter_value_json(confi
727 else if (config->csv_output)
728 print_counter_value_csv(config
729 else
730 print_counter_value_std(config
731 }
732
733 static void abs_printout(struct perf_stat_conf
734 struct aggr_cpu_id id
735 struct evsel *evsel,
736 {
737 aggr_printout(config, evsel, id, aggr_
738 print_counter_value(config, evsel, avg
739 print_cgroup(config, evsel->cgrp);
740 }
741
742 static bool is_mixed_hw_group(struct evsel *co
743 {
744 struct evlist *evlist = counter->evlis
745 u32 pmu_type = counter->core.attr.type
746 struct evsel *pos;
747
748 if (counter->core.nr_members < 2)
749 return false;
750
751 evlist__for_each_entry(evlist, pos) {
752 /* software events can be part
753 if (pos->core.attr.type == PER
754 continue;
755 if (pmu_type == PERF_TYPE_SOFT
756 pmu_type = pos->core.a
757 continue;
758 }
759 if (pmu_type != pos->core.attr
760 return true;
761 }
762
763 return false;
764 }
765
766 static bool evlist__has_hybrid(struct evlist *
767 {
768 struct evsel *evsel;
769
770 if (perf_pmus__num_core_pmus() == 1)
771 return false;
772
773 evlist__for_each_entry(evlist, evsel)
774 if (evsel->core.is_pmu_core)
775 return true;
776 }
777
778 return false;
779 }
780
781 static void printout(struct perf_stat_config *
782 double uval, u64 run, u64
783 {
784 struct perf_stat_output_ctx out;
785 print_metric_t pm;
786 new_line_t nl;
787 print_metricgroup_header_t pmh;
788 bool ok = true;
789 struct evsel *counter = os->evsel;
790
791 if (config->csv_output) {
792 pm = config->metric_only ? pri
793 nl = config->metric_only ? new
794 pmh = print_metricgroup_header
795 os->nfields = 4 + (counter->cg
796 } else if (config->json_output) {
797 pm = config->metric_only ? pri
798 nl = config->metric_only ? new
799 pmh = print_metricgroup_header
800 } else {
801 pm = config->metric_only ? pri
802 nl = config->metric_only ? new
803 pmh = print_metricgroup_header
804 }
805
806 if (run == 0 || ena == 0 || counter->c
807 if (config->metric_only) {
808 pm(config, os, NULL, "
809 return;
810 }
811
812 ok = false;
813
814 if (counter->supported) {
815 if (!evlist__has_hybri
816 config->print_
817 if (is_mixed_h
818 config
819 }
820 }
821 }
822
823 out.print_metric = pm;
824 out.new_line = nl;
825 out.print_metricgroup_header = pmh;
826 out.ctx = os;
827 out.force_header = false;
828
829 if (!config->metric_only && !counter->
830 abs_printout(config, os->id, o
831
832 print_noise(config, counter, n
833 print_running(config, run, ena
834 }
835
836 if (ok) {
837 if (!config->metric_only && co
838 void *from = NULL;
839
840 aggr_printout(config,
841 /* Print out all the m
842 do {
843 int num = 0;
844
845 /* Print out t
846 if (from) {
847 if (co
848
849 else
850
851 }
852
853 print_noise(co
854 print_running(
855 from = perf_st
856
857
858 } while (from != NULL)
859 } else
860 perf_stat__print_shado
861
862 } else {
863 pm(config, os, /*color=*/NULL,
864 }
865
866 if (!config->metric_only) {
867 print_noise(config, counter, n
868 print_running(config, run, ena
869 }
870 }
871
872 static void uniquify_event_name(struct evsel *
873 {
874 char *new_name;
875 char *config;
876 int ret = 0;
877
878 if (counter->uniquified_name || counte
879 !counter->pmu_name || !strncmp(evs
880 str
881 return;
882
883 config = strchr(counter->name, '/');
884 if (config) {
885 if (asprintf(&new_name,
886 "%s%s", counter->
887 free(counter->name);
888 counter->name = new_na
889 }
890 } else {
891 if (evsel__is_hybrid(counter))
892 ret = asprintf(&new_na
893 counter
894 } else {
895 ret = asprintf(&new_na
896 counter
897 }
898
899 if (ret) {
900 free(counter->name);
901 counter->name = new_na
902 }
903 }
904
905 counter->uniquified_name = true;
906 }
907
908 static bool hybrid_uniquify(struct evsel *evse
909 {
910 return evsel__is_hybrid(evsel) && !con
911 }
912
913 static void uniquify_counter(struct perf_stat_
914 {
915 if (config->aggr_mode == AGGR_NONE ||
916 uniquify_event_name(counter);
917 }
918
919 /**
920 * should_skip_zero_count() - Check if the eve
921 * @config: The perf stat configuration (inclu
922 * @counter: The evsel with its associated cpu
923 * @id: The aggregation id that is being queri
924 *
925 * Due to mismatch between the event cpumap or
926 * aggregation mode, sometimes it'd iterate th
927 * which does not contain any values.
928 *
929 * For example, uncore events have dedicated C
930 * result for other CPUs should be zero and sk
931 *
932 * Return: %true if the value should NOT be pr
933 * needs to be printed like "<not counted>" or
934 */
935 static bool should_skip_zero_counter(struct pe
936 struct ev
937 const str
938 {
939 struct perf_cpu cpu;
940 int idx;
941
942 /*
943 * Skip value 0 when enabling --per-th
944 * otherwise it will have too many 0 o
945 */
946 if (config->aggr_mode == AGGR_THREAD &
947 return true;
948
949 /* Tool events have the software PMU b
950 if (evsel__is_tool(counter))
951 return true;
952
953 /*
954 * Skip value 0 when it's an uncore ev
955 * does not belong to the PMU cpumask.
956 */
957 if (!counter->pmu || !counter->pmu->is
958 return false;
959
960 perf_cpu_map__for_each_cpu(cpu, idx, c
961 struct aggr_cpu_id own_id = co
962
963 if (aggr_cpu_id__equal(id, &ow
964 return false;
965 }
966 return true;
967 }
968
969 static void print_counter_aggrdata(struct perf
970 struct evse
971 struct outs
972 {
973 FILE *output = config->output;
974 u64 ena, run, val;
975 double uval;
976 struct perf_stat_evsel *ps = counter->
977 struct perf_stat_aggr *aggr = &ps->agg
978 struct aggr_cpu_id id = config->aggr_m
979 double avg = aggr->counts.val;
980 bool metric_only = config->metric_only
981
982 os->id = id;
983 os->aggr_nr = aggr->nr;
984 os->evsel = counter;
985
986 /* Skip already merged uncore/hybrid e
987 if (counter->merged_stat)
988 return;
989
990 uniquify_counter(config, counter);
991
992 val = aggr->counts.val;
993 ena = aggr->counts.ena;
994 run = aggr->counts.run;
995
996 if (perf_stat__skip_metric_event(count
997 return;
998
999 if (val == 0 && should_skip_zero_count
1000 return;
1001
1002 if (!metric_only) {
1003 if (config->json_output)
1004 fputc('{', output);
1005 if (os->prefix)
1006 fprintf(output, "%s",
1007 else if (config->summary && c
1008 !config->no_csv_summ
1009 fprintf(output, "%s%s
1010 }
1011
1012 uval = val * counter->scale;
1013
1014 printout(config, os, uval, run, ena,
1015
1016 if (!metric_only)
1017 fputc('\n', output);
1018 }
1019
1020 static void print_metric_begin(struct perf_st
1021 struct evlist
1022 struct outstat
1023 {
1024 struct perf_stat_aggr *aggr;
1025 struct aggr_cpu_id id;
1026 struct evsel *evsel;
1027
1028 os->first = true;
1029 if (!config->metric_only)
1030 return;
1031
1032 if (config->json_output)
1033 fputc('{', config->output);
1034 if (os->prefix)
1035 fprintf(config->output, "%s",
1036
1037 evsel = evlist__first(evlist);
1038 id = config->aggr_map->map[aggr_idx];
1039 aggr = &evsel->stats->aggr[aggr_idx];
1040 aggr_printout(config, evsel, id, aggr
1041
1042 print_cgroup(config, os->cgrp ? : evs
1043 }
1044
1045 static void print_metric_end(struct perf_stat
1046 {
1047 FILE *output = config->output;
1048
1049 if (!config->metric_only)
1050 return;
1051
1052 if (config->json_output) {
1053 if (os->first)
1054 fputs("\"metric-value
1055 fputc('}', output);
1056 }
1057 fputc('\n', output);
1058 }
1059
1060 static void print_aggr(struct perf_stat_confi
1061 struct evlist *evlist,
1062 struct outstate *os)
1063 {
1064 struct evsel *counter;
1065 int aggr_idx;
1066
1067 if (!config->aggr_map || !config->agg
1068 return;
1069
1070 /*
1071 * With metric_only everything is on
1072 * Without each counter has its own l
1073 */
1074 cpu_aggr_map__for_each_idx(aggr_idx,
1075 print_metric_begin(config, ev
1076
1077 evlist__for_each_entry(evlist
1078 print_counter_aggrdat
1079 }
1080 print_metric_end(config, os);
1081 }
1082 }
1083
1084 static void print_aggr_cgroup(struct perf_sta
1085 struct evlist *
1086 struct outstate
1087 {
1088 struct evsel *counter, *evsel;
1089 int aggr_idx;
1090
1091 if (!config->aggr_map || !config->agg
1092 return;
1093
1094 evlist__for_each_entry(evlist, evsel)
1095 if (os->cgrp == evsel->cgrp)
1096 continue;
1097
1098 os->cgrp = evsel->cgrp;
1099
1100 cpu_aggr_map__for_each_idx(ag
1101 print_metric_begin(co
1102
1103 evlist__for_each_entr
1104 if (counter->
1105 conti
1106
1107 print_counter
1108 }
1109 print_metric_end(conf
1110 }
1111 }
1112 }
1113
1114 static void print_counter(struct perf_stat_co
1115 struct evsel *count
1116 {
1117 int aggr_idx;
1118
1119 /* AGGR_THREAD doesn't have config->a
1120 if (!config->aggr_map)
1121 return;
1122
1123 cpu_aggr_map__for_each_idx(aggr_idx,
1124 print_counter_aggrdata(config
1125 }
1126 }
1127
1128 static void print_no_aggr_metric(struct perf_
1129 struct evlis
1130 struct outst
1131 {
1132 int all_idx;
1133 struct perf_cpu cpu;
1134
1135 perf_cpu_map__for_each_cpu(cpu, all_i
1136 struct evsel *counter;
1137 bool first = true;
1138
1139 evlist__for_each_entry(evlist
1140 u64 ena, run, val;
1141 double uval;
1142 struct perf_stat_evse
1143 int aggr_idx = 0;
1144
1145 if (!perf_cpu_map__ha
1146 continue;
1147
1148 cpu_aggr_map__for_eac
1149 if (config->a
1150 break
1151 }
1152
1153 os->evsel = counter;
1154 os->id = aggr_cpu_id_
1155 if (first) {
1156 print_metric_
1157 first = false
1158 }
1159 val = ps->aggr[aggr_i
1160 ena = ps->aggr[aggr_i
1161 run = ps->aggr[aggr_i
1162
1163 uval = val * counter-
1164 printout(config, os,
1165 }
1166 if (!first)
1167 print_metric_end(conf
1168 }
1169 }
1170
1171 static void print_metric_headers_std(struct p
1172 bool no_
1173 {
1174 fputc(' ', config->output);
1175
1176 if (!no_indent) {
1177 int len = aggr_header_lens[co
1178
1179 if (nr_cgroups || config->cgr
1180 len += CGROUP_LEN + 1
1181
1182 fprintf(config->output, "%*s"
1183 }
1184 }
1185
1186 static void print_metric_headers_csv(struct p
1187 bool no_
1188 {
1189 const char *p;
1190
1191 if (config->interval)
1192 fprintf(config->output, "time
1193 if (config->iostat_run)
1194 return;
1195
1196 p = aggr_header_csv[config->aggr_mode
1197 while (*p) {
1198 if (*p == ',')
1199 fputs(config->csv_sep
1200 else
1201 fputc(*p, config->out
1202 p++;
1203 }
1204 }
1205
1206 static void print_metric_headers_json(struct
1207 bool no
1208 {
1209 }
1210
1211 static void print_metric_headers(struct perf_
1212 struct evlis
1213 {
1214 struct evsel *counter;
1215 struct outstate os = {
1216 .fh = config->output
1217 };
1218 struct perf_stat_output_ctx out = {
1219 .ctx = &os,
1220 .print_metric = print_metric_
1221 .new_line = new_line_metric,
1222 .force_header = true,
1223 };
1224
1225 if (config->json_output)
1226 print_metric_headers_json(con
1227 else if (config->csv_output)
1228 print_metric_headers_csv(conf
1229 else
1230 print_metric_headers_std(conf
1231
1232 if (config->iostat_run)
1233 iostat_print_header_prefix(co
1234
1235 if (config->cgroup_list)
1236 os.cgrp = evlist__first(evlis
1237
1238 /* Print metrics headers only */
1239 evlist__for_each_entry(evlist, counte
1240 if (!config->iostat_run &&
1241 config->aggr_mode != AGGR
1242 continue;
1243
1244 os.evsel = counter;
1245
1246 perf_stat__print_shadow_stats
1247
1248
1249
1250 }
1251
1252 if (!config->json_output)
1253 fputc('\n', config->output);
1254 }
1255
1256 static void prepare_interval(struct perf_stat
1257 char *prefix, si
1258 {
1259 if (config->iostat_run)
1260 return;
1261
1262 if (config->json_output)
1263 scnprintf(prefix, len, "\"int
1264 (unsigned long) ts-
1265 else if (config->csv_output)
1266 scnprintf(prefix, len, "%lu.%
1267 (unsigned long) ts-
1268 else
1269 scnprintf(prefix, len, "%6lu.
1270 (unsigned long) ts-
1271 }
1272
1273 static void print_header_interval_std(struct
1274 struct
1275 struct
1276 int arg
1277 const c
1278 {
1279 FILE *output = config->output;
1280
1281 switch (config->aggr_mode) {
1282 case AGGR_NODE:
1283 case AGGR_SOCKET:
1284 case AGGR_DIE:
1285 case AGGR_CLUSTER:
1286 case AGGR_CACHE:
1287 case AGGR_CORE:
1288 fprintf(output, "#%*s %-*s cp
1289 INTERVAL_LEN - 1, "ti
1290 aggr_header_lens[conf
1291 aggr_header_std[confi
1292 break;
1293 case AGGR_NONE:
1294 fprintf(output, "#%*s %-*s",
1295 INTERVAL_LEN - 1, "ti
1296 aggr_header_lens[conf
1297 aggr_header_std[confi
1298 break;
1299 case AGGR_THREAD:
1300 fprintf(output, "#%*s %*s-%-*
1301 INTERVAL_LEN - 1, "ti
1302 COMM_LEN, "comm", PID
1303 break;
1304 case AGGR_GLOBAL:
1305 default:
1306 if (!config->iostat_run)
1307 fprintf(output, "#%*s
1308 INTERVAL_LEN
1309 case AGGR_UNSET:
1310 case AGGR_MAX:
1311 break;
1312 }
1313
1314 if (config->metric_only)
1315 print_metric_headers(config,
1316 else
1317 fprintf(output, " %*s %*s eve
1318 COUNTS_LEN, "counts",
1319 }
1320
1321 static void print_header_std(struct perf_stat
1322 struct target *_
1323 int argc, const
1324 {
1325 FILE *output = config->output;
1326 int i;
1327
1328 fprintf(output, "\n");
1329 fprintf(output, " Performance counter
1330 if (_target->bpf_str)
1331 fprintf(output, "\'BPF progra
1332 else if (_target->system_wide)
1333 fprintf(output, "\'system wid
1334 else if (_target->cpu_list)
1335 fprintf(output, "\'CPU(s) %s"
1336 else if (!target__has_task(_target))
1337 fprintf(output, "\'%s", argv
1338 for (i = 1; argv && (i < argc
1339 fprintf(output, " %s"
1340 } else if (_target->pid)
1341 fprintf(output, "process id \
1342 else
1343 fprintf(output, "thread id \'
1344
1345 fprintf(output, "\'");
1346 if (config->run_count > 1)
1347 fprintf(output, " (%d runs)",
1348 fprintf(output, ":\n\n");
1349
1350 if (config->metric_only)
1351 print_metric_headers(config,
1352 }
1353
1354 static void print_header_csv(struct perf_stat
1355 struct target *_
1356 struct evlist *e
1357 int argc __maybe
1358 const char **arg
1359 {
1360 if (config->metric_only)
1361 print_metric_headers(config,
1362 }
1363 static void print_header_json(struct perf_sta
1364 struct target *
1365 struct evlist *
1366 int argc __mayb
1367 const char **ar
1368 {
1369 if (config->metric_only)
1370 print_metric_headers(config,
1371 }
1372
1373 static void print_header(struct perf_stat_con
1374 struct target *_targ
1375 struct evlist *evlis
1376 int argc, const char
1377 {
1378 static int num_print_iv;
1379
1380 fflush(stdout);
1381
1382 if (config->interval_clear)
1383 puts(CONSOLE_CLEAR);
1384
1385 if (num_print_iv == 0 || config->inte
1386 if (config->json_output)
1387 print_header_json(con
1388 else if (config->csv_output)
1389 print_header_csv(conf
1390 else if (config->interval)
1391 print_header_interval
1392 else
1393 print_header_std(conf
1394 }
1395
1396 if (num_print_iv++ == 25)
1397 num_print_iv = 0;
1398 }
1399
1400 static int get_precision(double num)
1401 {
1402 if (num > 1)
1403 return 0;
1404
1405 return lround(ceil(-log10(num)));
1406 }
1407
1408 static void print_table(struct perf_stat_conf
1409 FILE *output, int pre
1410 {
1411 char tmp[64];
1412 int idx, indent = 0;
1413
1414 scnprintf(tmp, 64, " %17.*f", precisi
1415 while (tmp[indent] == ' ')
1416 indent++;
1417
1418 fprintf(output, "%*s# Table of indivi
1419
1420 for (idx = 0; idx < config->run_count
1421 double run = (double) config-
1422 int h, n = 1 + abs((int) (100
1423
1424 fprintf(output, " %17.*f (%+.
1425 precision, run, preci
1426
1427 for (h = 0; h < n; h++)
1428 fprintf(output, "#");
1429
1430 fprintf(output, "\n");
1431 }
1432
1433 fprintf(output, "\n%*s# Final result:
1434 }
1435
1436 static double timeval2double(struct timeval *
1437 {
1438 return t->tv_sec + (double) t->tv_use
1439 }
1440
1441 static void print_footer(struct perf_stat_con
1442 {
1443 double avg = avg_stats(config->wallti
1444 FILE *output = config->output;
1445
1446 if (config->interval || config->csv_o
1447 return;
1448
1449 if (!config->null_run)
1450 fprintf(output, "\n");
1451
1452 if (config->run_count == 1) {
1453 fprintf(output, " %17.9f seco
1454
1455 if (config->ru_display) {
1456 double ru_utime = tim
1457 double ru_stime = tim
1458
1459 fprintf(output, "\n\n
1460 fprintf(output, " %17
1461 fprintf(output, " %17
1462 }
1463 } else {
1464 double sd = stddev_stats(conf
1465 /*
1466 * Display at most 2 more sig
1467 * digits than the stddev ina
1468 */
1469 int precision = get_precision
1470
1471 if (config->walltime_run_tabl
1472 print_table(config, o
1473
1474 fprintf(output, " %17.*f +- %
1475 precision, avg, preci
1476
1477 print_noise_pct(config, sd, a
1478 }
1479 fprintf(output, "\n\n");
1480
1481 if (config->print_free_counters_hint
1482 fprintf(output,
1483 "Some events weren't counted. Try disabling t
1484 " echo 0 > /proc/sys/kernel/nmi_watchdo
1485 " perf stat ...\n"
1486 " echo 1 > /proc/sys/kernel/nmi_watchdo
1487
1488 if (config->print_mixed_hw_group_erro
1489 fprintf(output,
1490 "The events in group
1491 "the same PMU. Try re
1492 }
1493
1494 static void print_percore(struct perf_stat_co
1495 struct evsel *count
1496 {
1497 bool metric_only = config->metric_onl
1498 FILE *output = config->output;
1499 struct cpu_aggr_map *core_map;
1500 int aggr_idx, core_map_len = 0;
1501
1502 if (!config->aggr_map || !config->agg
1503 return;
1504
1505 if (config->percore_show_thread)
1506 return print_counter(config,
1507
1508 /*
1509 * core_map will hold the aggr_cpu_id
1510 * printed so that each core is print
1511 */
1512 core_map = cpu_aggr_map__empty_new(co
1513 if (core_map == NULL) {
1514 fprintf(output, "Cannot alloc
1515 return;
1516 }
1517
1518 cpu_aggr_map__for_each_idx(aggr_idx,
1519 struct perf_cpu curr_cpu = co
1520 struct aggr_cpu_id core_id =
1521 bool found = false;
1522
1523 for (int i = 0; i < core_map_
1524 if (aggr_cpu_id__equa
1525 found = true;
1526 break;
1527 }
1528 }
1529 if (found)
1530 continue;
1531
1532 print_counter_aggrdata(config
1533
1534 core_map->map[core_map_len++]
1535 }
1536 free(core_map);
1537
1538 if (metric_only)
1539 fputc('\n', output);
1540 }
1541
1542 static void print_cgroup_counter(struct perf_
1543 struct outst
1544 {
1545 struct evsel *counter;
1546
1547 evlist__for_each_entry(evlist, counte
1548 if (os->cgrp != counter->cgrp
1549 if (os->cgrp != NULL)
1550 print_metric_
1551
1552 os->cgrp = counter->c
1553 print_metric_begin(co
1554 }
1555
1556 print_counter(config, counter
1557 }
1558 if (os->cgrp)
1559 print_metric_end(config, os);
1560 }
1561
1562 void evlist__print_counters(struct evlist *ev
1563 struct target *_t
1564 int argc, const c
1565 {
1566 bool metric_only = config->metric_onl
1567 int interval = config->interval;
1568 struct evsel *counter;
1569 char buf[64];
1570 struct outstate os = {
1571 .fh = config->output,
1572 .first = true,
1573 };
1574
1575 if (config->iostat_run)
1576 evlist->selected = evlist__fi
1577
1578 if (interval) {
1579 os.prefix = buf;
1580 prepare_interval(config, buf,
1581 }
1582
1583 print_header(config, _target, evlist,
1584
1585 switch (config->aggr_mode) {
1586 case AGGR_CORE:
1587 case AGGR_CACHE:
1588 case AGGR_CLUSTER:
1589 case AGGR_DIE:
1590 case AGGR_SOCKET:
1591 case AGGR_NODE:
1592 if (config->cgroup_list)
1593 print_aggr_cgroup(con
1594 else
1595 print_aggr(config, ev
1596 break;
1597 case AGGR_THREAD:
1598 case AGGR_GLOBAL:
1599 if (config->iostat_run) {
1600 iostat_print_counters
1601
1602 } else if (config->cgroup_lis
1603 print_cgroup_counter(
1604 } else {
1605 print_metric_begin(co
1606 evlist__for_each_entr
1607 print_counter
1608 }
1609 print_metric_end(conf
1610 }
1611 break;
1612 case AGGR_NONE:
1613 if (metric_only)
1614 print_no_aggr_metric(
1615 else {
1616 evlist__for_each_entr
1617 if (counter->
1618 print
1619 else
1620 print
1621 }
1622 }
1623 break;
1624 case AGGR_MAX:
1625 case AGGR_UNSET:
1626 default:
1627 break;
1628 }
1629
1630 print_footer(config);
1631
1632 fflush(config->output);
1633 }
1634
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