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1#include <stdlib.h>
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 supported>"
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
38static int aggr_header_lens[] = {
39 [AGGR_CORE] = 18,
40 [AGGR_CACHE] = 22,
41 [AGGR_DIE] = 12,
42 [AGGR_SOCKET] = 6,
43 [AGGR_NODE] = 6,
44 [AGGR_NONE] = 6,
45 [AGGR_THREAD] = 16,
46 [AGGR_GLOBAL] = 0,
47};
48
49static const char *aggr_header_csv[] = {
50 [AGGR_CORE] = "core,cpus,",
51 [AGGR_CACHE] = "cache,cpus,",
52 [AGGR_DIE] = "die,cpus,",
53 [AGGR_SOCKET] = "socket,cpus,",
54 [AGGR_NONE] = "cpu,",
55 [AGGR_THREAD] = "comm-pid,",
56 [AGGR_NODE] = "node,",
57 [AGGR_GLOBAL] = ""
58};
59
60static const char *aggr_header_std[] = {
61 [AGGR_CORE] = "core",
62 [AGGR_CACHE] = "cache",
63 [AGGR_DIE] = "die",
64 [AGGR_SOCKET] = "socket",
65 [AGGR_NONE] = "cpu",
66 [AGGR_THREAD] = "comm-pid",
67 [AGGR_NODE] = "node",
68 [AGGR_GLOBAL] = ""
69};
70
71static void print_running_std(struct perf_stat_config *config, u64 run, u64 ena)
72{
73 if (run != ena)
74 fprintf(config->output, " (%.2f%%)", 100.0 * run / ena);
75}
76
77static void print_running_csv(struct perf_stat_config *config, u64 run, u64 ena)
78{
79 double enabled_percent = 100;
80
81 if (run != ena)
82 enabled_percent = 100 * run / ena;
83 fprintf(config->output, "%s%" PRIu64 "%s%.2f",
84 config->csv_sep, run, config->csv_sep, enabled_percent);
85}
86
87static void print_running_json(struct perf_stat_config *config, u64 run, u64 ena)
88{
89 double enabled_percent = 100;
90
91 if (run != ena)
92 enabled_percent = 100 * run / ena;
93 fprintf(config->output, "\"event-runtime\" : %" PRIu64 ", \"pcnt-running\" : %.2f, ",
94 run, enabled_percent);
95}
96
97static void print_running(struct perf_stat_config *config,
98 u64 run, u64 ena, bool before_metric)
99{
100 if (config->json_output) {
101 if (before_metric)
102 print_running_json(config, run, ena);
103 } else if (config->csv_output) {
104 if (before_metric)
105 print_running_csv(config, run, ena);
106 } else {
107 if (!before_metric)
108 print_running_std(config, run, ena);
109 }
110}
111
112static void print_noise_pct_std(struct perf_stat_config *config,
113 double pct)
114{
115 if (pct)
116 fprintf(config->output, " ( +-%6.2f%% )", pct);
117}
118
119static void print_noise_pct_csv(struct perf_stat_config *config,
120 double pct)
121{
122 fprintf(config->output, "%s%.2f%%", config->csv_sep, pct);
123}
124
125static void print_noise_pct_json(struct perf_stat_config *config,
126 double pct)
127{
128 fprintf(config->output, "\"variance\" : %.2f, ", pct);
129}
130
131static void print_noise_pct(struct perf_stat_config *config,
132 double total, double avg, bool before_metric)
133{
134 double pct = rel_stddev_stats(total, avg);
135
136 if (config->json_output) {
137 if (before_metric)
138 print_noise_pct_json(config, pct);
139 } else if (config->csv_output) {
140 if (before_metric)
141 print_noise_pct_csv(config, pct);
142 } else {
143 if (!before_metric)
144 print_noise_pct_std(config, pct);
145 }
146}
147
148static void print_noise(struct perf_stat_config *config,
149 struct evsel *evsel, double avg, bool before_metric)
150{
151 struct perf_stat_evsel *ps;
152
153 if (config->run_count == 1)
154 return;
155
156 ps = evsel->stats;
157 print_noise_pct(config, stddev_stats(&ps->res_stats), avg, before_metric);
158}
159
160static void print_cgroup_std(struct perf_stat_config *config, const char *cgrp_name)
161{
162 fprintf(config->output, " %-*s", CGROUP_LEN, cgrp_name);
163}
164
165static void print_cgroup_csv(struct perf_stat_config *config, const char *cgrp_name)
166{
167 fprintf(config->output, "%s%s", config->csv_sep, cgrp_name);
168}
169
170static void print_cgroup_json(struct perf_stat_config *config, const char *cgrp_name)
171{
172 fprintf(config->output, "\"cgroup\" : \"%s\", ", cgrp_name);
173}
174
175static void print_cgroup(struct perf_stat_config *config, struct cgroup *cgrp)
176{
177 if (nr_cgroups || config->cgroup_list) {
178 const char *cgrp_name = cgrp ? cgrp->name : "";
179
180 if (config->json_output)
181 print_cgroup_json(config, cgrp_name);
182 else if (config->csv_output)
183 print_cgroup_csv(config, cgrp_name);
184 else
185 print_cgroup_std(config, cgrp_name);
186 }
187}
188
189static void print_aggr_id_std(struct perf_stat_config *config,
190 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr)
191{
192 FILE *output = config->output;
193 int idx = config->aggr_mode;
194 char buf[128];
195
196 switch (config->aggr_mode) {
197 case AGGR_CORE:
198 snprintf(buf, sizeof(buf), "S%d-D%d-C%d", id.socket, id.die, id.core);
199 break;
200 case AGGR_CACHE:
201 snprintf(buf, sizeof(buf), "S%d-D%d-L%d-ID%d",
202 id.socket, id.die, id.cache_lvl, id.cache);
203 break;
204 case AGGR_CLUSTER:
205 snprintf(buf, sizeof(buf), "S%d-D%d-CLS%d", id.socket, id.die, id.cluster);
206 break;
207 case AGGR_DIE:
208 snprintf(buf, sizeof(buf), "S%d-D%d", id.socket, id.die);
209 break;
210 case AGGR_SOCKET:
211 snprintf(buf, sizeof(buf), "S%d", id.socket);
212 break;
213 case AGGR_NODE:
214 snprintf(buf, sizeof(buf), "N%d", id.node);
215 break;
216 case AGGR_NONE:
217 if (evsel->percore && !config->percore_show_thread) {
218 snprintf(buf, sizeof(buf), "S%d-D%d-C%d ",
219 id.socket, id.die, id.core);
220 fprintf(output, "%-*s ",
221 aggr_header_lens[AGGR_CORE], buf);
222 } else if (id.cpu.cpu > -1) {
223 fprintf(output, "CPU%-*d ",
224 aggr_header_lens[AGGR_NONE] - 3, id.cpu.cpu);
225 }
226 return;
227 case AGGR_THREAD:
228 fprintf(output, "%*s-%-*d ",
229 COMM_LEN, perf_thread_map__comm(evsel->core.threads, id.thread_idx),
230 PID_LEN, perf_thread_map__pid(evsel->core.threads, id.thread_idx));
231 return;
232 case AGGR_GLOBAL:
233 case AGGR_UNSET:
234 case AGGR_MAX:
235 default:
236 return;
237 }
238
239 fprintf(output, "%-*s %*d ", aggr_header_lens[idx], buf, 4, aggr_nr);
240}
241
242static void print_aggr_id_csv(struct perf_stat_config *config,
243 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr)
244{
245 FILE *output = config->output;
246 const char *sep = config->csv_sep;
247
248 switch (config->aggr_mode) {
249 case AGGR_CORE:
250 fprintf(output, "S%d-D%d-C%d%s%d%s",
251 id.socket, id.die, id.core, sep, aggr_nr, sep);
252 break;
253 case AGGR_CACHE:
254 fprintf(config->output, "S%d-D%d-L%d-ID%d%s%d%s",
255 id.socket, id.die, id.cache_lvl, id.cache, sep, aggr_nr, sep);
256 break;
257 case AGGR_CLUSTER:
258 fprintf(config->output, "S%d-D%d-CLS%d%s%d%s",
259 id.socket, id.die, id.cluster, sep, aggr_nr, sep);
260 break;
261 case AGGR_DIE:
262 fprintf(output, "S%d-D%d%s%d%s",
263 id.socket, id.die, sep, aggr_nr, sep);
264 break;
265 case AGGR_SOCKET:
266 fprintf(output, "S%d%s%d%s",
267 id.socket, sep, aggr_nr, sep);
268 break;
269 case AGGR_NODE:
270 fprintf(output, "N%d%s%d%s",
271 id.node, sep, aggr_nr, sep);
272 break;
273 case AGGR_NONE:
274 if (evsel->percore && !config->percore_show_thread) {
275 fprintf(output, "S%d-D%d-C%d%s",
276 id.socket, id.die, id.core, sep);
277 } else if (id.cpu.cpu > -1) {
278 fprintf(output, "CPU%d%s",
279 id.cpu.cpu, sep);
280 }
281 break;
282 case AGGR_THREAD:
283 fprintf(output, "%s-%d%s",
284 perf_thread_map__comm(evsel->core.threads, id.thread_idx),
285 perf_thread_map__pid(evsel->core.threads, id.thread_idx),
286 sep);
287 break;
288 case AGGR_GLOBAL:
289 case AGGR_UNSET:
290 case AGGR_MAX:
291 default:
292 break;
293 }
294}
295
296static void print_aggr_id_json(struct perf_stat_config *config,
297 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr)
298{
299 FILE *output = config->output;
300
301 switch (config->aggr_mode) {
302 case AGGR_CORE:
303 fprintf(output, "\"core\" : \"S%d-D%d-C%d\", \"aggregate-number\" : %d, ",
304 id.socket, id.die, id.core, aggr_nr);
305 break;
306 case AGGR_CACHE:
307 fprintf(output, "\"cache\" : \"S%d-D%d-L%d-ID%d\", \"aggregate-number\" : %d, ",
308 id.socket, id.die, id.cache_lvl, id.cache, aggr_nr);
309 break;
310 case AGGR_CLUSTER:
311 fprintf(output, "\"cluster\" : \"S%d-D%d-CLS%d\", \"aggregate-number\" : %d, ",
312 id.socket, id.die, id.cluster, aggr_nr);
313 break;
314 case AGGR_DIE:
315 fprintf(output, "\"die\" : \"S%d-D%d\", \"aggregate-number\" : %d, ",
316 id.socket, id.die, aggr_nr);
317 break;
318 case AGGR_SOCKET:
319 fprintf(output, "\"socket\" : \"S%d\", \"aggregate-number\" : %d, ",
320 id.socket, aggr_nr);
321 break;
322 case AGGR_NODE:
323 fprintf(output, "\"node\" : \"N%d\", \"aggregate-number\" : %d, ",
324 id.node, aggr_nr);
325 break;
326 case AGGR_NONE:
327 if (evsel->percore && !config->percore_show_thread) {
328 fprintf(output, "\"core\" : \"S%d-D%d-C%d\"",
329 id.socket, id.die, id.core);
330 } else if (id.cpu.cpu > -1) {
331 fprintf(output, "\"cpu\" : \"%d\", ",
332 id.cpu.cpu);
333 }
334 break;
335 case AGGR_THREAD:
336 fprintf(output, "\"thread\" : \"%s-%d\", ",
337 perf_thread_map__comm(evsel->core.threads, id.thread_idx),
338 perf_thread_map__pid(evsel->core.threads, id.thread_idx));
339 break;
340 case AGGR_GLOBAL:
341 case AGGR_UNSET:
342 case AGGR_MAX:
343 default:
344 break;
345 }
346}
347
348static void aggr_printout(struct perf_stat_config *config,
349 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr)
350{
351 if (config->json_output)
352 print_aggr_id_json(config, evsel, id, aggr_nr);
353 else if (config->csv_output)
354 print_aggr_id_csv(config, evsel, id, aggr_nr);
355 else
356 print_aggr_id_std(config, evsel, id, aggr_nr);
357}
358
359struct outstate {
360 FILE *fh;
361 bool newline;
362 bool first;
363 const char *prefix;
364 int nfields;
365 int aggr_nr;
366 struct aggr_cpu_id id;
367 struct evsel *evsel;
368 struct cgroup *cgrp;
369};
370
371static void new_line_std(struct perf_stat_config *config __maybe_unused,
372 void *ctx)
373{
374 struct outstate *os = ctx;
375
376 os->newline = true;
377}
378
379static inline void __new_line_std_csv(struct perf_stat_config *config,
380 struct outstate *os)
381{
382 fputc('\n', os->fh);
383 if (os->prefix)
384 fputs(os->prefix, os->fh);
385 aggr_printout(config, os->evsel, os->id, os->aggr_nr);
386}
387
388static inline void __new_line_std(struct outstate *os)
389{
390 fprintf(os->fh, " ");
391}
392
393static void do_new_line_std(struct perf_stat_config *config,
394 struct outstate *os)
395{
396 __new_line_std_csv(config, os);
397 if (config->aggr_mode == AGGR_NONE)
398 fprintf(os->fh, " ");
399 __new_line_std(os);
400}
401
402static void print_metric_std(struct perf_stat_config *config,
403 void *ctx, const char *color, const char *fmt,
404 const char *unit, double val)
405{
406 struct outstate *os = ctx;
407 FILE *out = os->fh;
408 int n;
409 bool newline = os->newline;
410
411 os->newline = false;
412
413 if (unit == NULL || fmt == NULL) {
414 fprintf(out, "%-*s", METRIC_LEN, "");
415 return;
416 }
417
418 if (newline)
419 do_new_line_std(config, os);
420
421 n = fprintf(out, " # ");
422 if (color)
423 n += color_fprintf(out, color, fmt, val);
424 else
425 n += fprintf(out, fmt, val);
426 fprintf(out, " %-*s", METRIC_LEN - n - 1, unit);
427}
428
429static void new_line_csv(struct perf_stat_config *config, void *ctx)
430{
431 struct outstate *os = ctx;
432 int i;
433
434 __new_line_std_csv(config, os);
435 for (i = 0; i < os->nfields; i++)
436 fputs(config->csv_sep, os->fh);
437}
438
439static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
440 void *ctx,
441 const char *color __maybe_unused,
442 const char *fmt, const char *unit, double val)
443{
444 struct outstate *os = ctx;
445 FILE *out = os->fh;
446 char buf[64], *vals, *ends;
447
448 if (unit == NULL || fmt == NULL) {
449 fprintf(out, "%s%s", config->csv_sep, config->csv_sep);
450 return;
451 }
452 snprintf(buf, sizeof(buf), fmt, val);
453 ends = vals = skip_spaces(buf);
454 while (isdigit(*ends) || *ends == '.')
455 ends++;
456 *ends = 0;
457 fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, skip_spaces(unit));
458}
459
460static void print_metric_json(struct perf_stat_config *config __maybe_unused,
461 void *ctx,
462 const char *color __maybe_unused,
463 const char *fmt __maybe_unused,
464 const char *unit, double val)
465{
466 struct outstate *os = ctx;
467 FILE *out = os->fh;
468
469 fprintf(out, "\"metric-value\" : \"%f\", ", val);
470 fprintf(out, "\"metric-unit\" : \"%s\"", unit);
471 if (!config->metric_only)
472 fprintf(out, "}");
473}
474
475static void new_line_json(struct perf_stat_config *config, void *ctx)
476{
477 struct outstate *os = ctx;
478
479 fputs("\n{", os->fh);
480 if (os->prefix)
481 fprintf(os->fh, "%s", os->prefix);
482 aggr_printout(config, os->evsel, os->id, os->aggr_nr);
483}
484
485static void print_metricgroup_header_json(struct perf_stat_config *config,
486 void *ctx,
487 const char *metricgroup_name)
488{
489 if (!metricgroup_name)
490 return;
491
492 fprintf(config->output, "\"metricgroup\" : \"%s\"}", metricgroup_name);
493 new_line_json(config, ctx);
494}
495
496static void print_metricgroup_header_csv(struct perf_stat_config *config,
497 void *ctx,
498 const char *metricgroup_name)
499{
500 struct outstate *os = ctx;
501 int i;
502
503 if (!metricgroup_name) {
504 /* Leave space for running and enabling */
505 for (i = 0; i < os->nfields - 2; i++)
506 fputs(config->csv_sep, os->fh);
507 return;
508 }
509
510 for (i = 0; i < os->nfields; i++)
511 fputs(config->csv_sep, os->fh);
512 fprintf(config->output, "%s", metricgroup_name);
513 new_line_csv(config, ctx);
514}
515
516static void print_metricgroup_header_std(struct perf_stat_config *config,
517 void *ctx,
518 const char *metricgroup_name)
519{
520 struct outstate *os = ctx;
521 int n;
522
523 if (!metricgroup_name) {
524 __new_line_std(os);
525 return;
526 }
527
528 n = fprintf(config->output, " %*s", EVNAME_LEN, metricgroup_name);
529
530 fprintf(config->output, "%*s", MGROUP_LEN - n - 1, "");
531}
532
533/* Filter out some columns that don't work well in metrics only mode */
534
535static bool valid_only_metric(const char *unit)
536{
537 if (!unit)
538 return false;
539 if (strstr(unit, "/sec") ||
540 strstr(unit, "CPUs utilized"))
541 return false;
542 return true;
543}
544
545static const char *fixunit(char *buf, struct evsel *evsel,
546 const char *unit)
547{
548 if (!strncmp(unit, "of all", 6)) {
549 snprintf(buf, 1024, "%s %s", evsel__name(evsel),
550 unit);
551 return buf;
552 }
553 return unit;
554}
555
556static void print_metric_only(struct perf_stat_config *config,
557 void *ctx, const char *color, const char *fmt,
558 const char *unit, double val)
559{
560 struct outstate *os = ctx;
561 FILE *out = os->fh;
562 char buf[1024], str[1024];
563 unsigned mlen = config->metric_only_len;
564
565 if (!valid_only_metric(unit))
566 return;
567 unit = fixunit(buf, os->evsel, unit);
568 if (mlen < strlen(unit))
569 mlen = strlen(unit) + 1;
570
571 if (color)
572 mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
573
574 color_snprintf(str, sizeof(str), color ?: "", fmt ?: "", val);
575 fprintf(out, "%*s ", mlen, str);
576 os->first = false;
577}
578
579static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused,
580 void *ctx, const char *color __maybe_unused,
581 const char *fmt,
582 const char *unit, double val)
583{
584 struct outstate *os = ctx;
585 FILE *out = os->fh;
586 char buf[64], *vals, *ends;
587 char tbuf[1024];
588
589 if (!valid_only_metric(unit))
590 return;
591 unit = fixunit(tbuf, os->evsel, unit);
592 snprintf(buf, sizeof(buf), fmt ?: "", val);
593 ends = vals = skip_spaces(buf);
594 while (isdigit(*ends) || *ends == '.')
595 ends++;
596 *ends = 0;
597 fprintf(out, "%s%s", vals, config->csv_sep);
598 os->first = false;
599}
600
601static void print_metric_only_json(struct perf_stat_config *config __maybe_unused,
602 void *ctx, const char *color __maybe_unused,
603 const char *fmt,
604 const char *unit, double val)
605{
606 struct outstate *os = ctx;
607 FILE *out = os->fh;
608 char buf[64], *vals, *ends;
609 char tbuf[1024];
610
611 if (!valid_only_metric(unit))
612 return;
613 unit = fixunit(tbuf, os->evsel, unit);
614 snprintf(buf, sizeof(buf), fmt ?: "", val);
615 ends = vals = skip_spaces(buf);
616 while (isdigit(*ends) || *ends == '.')
617 ends++;
618 *ends = 0;
619 if (!unit[0] || !vals[0])
620 return;
621 fprintf(out, "%s\"%s\" : \"%s\"", os->first ? "" : ", ", unit, vals);
622 os->first = false;
623}
624
625static void new_line_metric(struct perf_stat_config *config __maybe_unused,
626 void *ctx __maybe_unused)
627{
628}
629
630static void print_metric_header(struct perf_stat_config *config,
631 void *ctx, const char *color __maybe_unused,
632 const char *fmt __maybe_unused,
633 const char *unit, double val __maybe_unused)
634{
635 struct outstate *os = ctx;
636 char tbuf[1024];
637
638 /* In case of iostat, print metric header for first root port only */
639 if (config->iostat_run &&
640 os->evsel->priv != os->evsel->evlist->selected->priv)
641 return;
642
643 if (os->evsel->cgrp != os->cgrp)
644 return;
645
646 if (!valid_only_metric(unit))
647 return;
648 unit = fixunit(tbuf, os->evsel, unit);
649
650 if (config->json_output)
651 return;
652 else if (config->csv_output)
653 fprintf(os->fh, "%s%s", unit, config->csv_sep);
654 else
655 fprintf(os->fh, "%*s ", config->metric_only_len, unit);
656}
657
658static void print_counter_value_std(struct perf_stat_config *config,
659 struct evsel *evsel, double avg, bool ok)
660{
661 FILE *output = config->output;
662 double sc = evsel->scale;
663 const char *fmt;
664 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED;
665
666 if (config->big_num)
667 fmt = floor(sc) != sc ? "%'*.2f " : "%'*.0f ";
668 else
669 fmt = floor(sc) != sc ? "%*.2f " : "%*.0f ";
670
671 if (ok)
672 fprintf(output, fmt, COUNTS_LEN, avg);
673 else
674 fprintf(output, "%*s ", COUNTS_LEN, bad_count);
675
676 if (evsel->unit)
677 fprintf(output, "%-*s ", config->unit_width, evsel->unit);
678
679 fprintf(output, "%-*s", EVNAME_LEN, evsel__name(evsel));
680}
681
682static void print_counter_value_csv(struct perf_stat_config *config,
683 struct evsel *evsel, double avg, bool ok)
684{
685 FILE *output = config->output;
686 double sc = evsel->scale;
687 const char *sep = config->csv_sep;
688 const char *fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s";
689 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED;
690
691 if (ok)
692 fprintf(output, fmt, avg, sep);
693 else
694 fprintf(output, "%s%s", bad_count, sep);
695
696 if (evsel->unit)
697 fprintf(output, "%s%s", evsel->unit, sep);
698
699 fprintf(output, "%s", evsel__name(evsel));
700}
701
702static void print_counter_value_json(struct perf_stat_config *config,
703 struct evsel *evsel, double avg, bool ok)
704{
705 FILE *output = config->output;
706 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED;
707
708 if (ok)
709 fprintf(output, "\"counter-value\" : \"%f\", ", avg);
710 else
711 fprintf(output, "\"counter-value\" : \"%s\", ", bad_count);
712
713 if (evsel->unit)
714 fprintf(output, "\"unit\" : \"%s\", ", evsel->unit);
715
716 fprintf(output, "\"event\" : \"%s\", ", evsel__name(evsel));
717}
718
719static void print_counter_value(struct perf_stat_config *config,
720 struct evsel *evsel, double avg, bool ok)
721{
722 if (config->json_output)
723 print_counter_value_json(config, evsel, avg, ok);
724 else if (config->csv_output)
725 print_counter_value_csv(config, evsel, avg, ok);
726 else
727 print_counter_value_std(config, evsel, avg, ok);
728}
729
730static void abs_printout(struct perf_stat_config *config,
731 struct aggr_cpu_id id, int aggr_nr,
732 struct evsel *evsel, double avg, bool ok)
733{
734 aggr_printout(config, evsel, id, aggr_nr);
735 print_counter_value(config, evsel, avg, ok);
736 print_cgroup(config, evsel->cgrp);
737}
738
739static bool is_mixed_hw_group(struct evsel *counter)
740{
741 struct evlist *evlist = counter->evlist;
742 u32 pmu_type = counter->core.attr.type;
743 struct evsel *pos;
744
745 if (counter->core.nr_members < 2)
746 return false;
747
748 evlist__for_each_entry(evlist, pos) {
749 /* software events can be part of any hardware group */
750 if (pos->core.attr.type == PERF_TYPE_SOFTWARE)
751 continue;
752 if (pmu_type == PERF_TYPE_SOFTWARE) {
753 pmu_type = pos->core.attr.type;
754 continue;
755 }
756 if (pmu_type != pos->core.attr.type)
757 return true;
758 }
759
760 return false;
761}
762
763static bool evlist__has_hybrid(struct evlist *evlist)
764{
765 struct evsel *evsel;
766
767 if (perf_pmus__num_core_pmus() == 1)
768 return false;
769
770 evlist__for_each_entry(evlist, evsel) {
771 if (evsel->core.is_pmu_core)
772 return true;
773 }
774
775 return false;
776}
777
778static void printout(struct perf_stat_config *config, struct outstate *os,
779 double uval, u64 run, u64 ena, double noise, int aggr_idx)
780{
781 struct perf_stat_output_ctx out;
782 print_metric_t pm;
783 new_line_t nl;
784 print_metricgroup_header_t pmh;
785 bool ok = true;
786 struct evsel *counter = os->evsel;
787
788 if (config->csv_output) {
789 pm = config->metric_only ? print_metric_only_csv : print_metric_csv;
790 nl = config->metric_only ? new_line_metric : new_line_csv;
791 pmh = print_metricgroup_header_csv;
792 os->nfields = 4 + (counter->cgrp ? 1 : 0);
793 } else if (config->json_output) {
794 pm = config->metric_only ? print_metric_only_json : print_metric_json;
795 nl = config->metric_only ? new_line_metric : new_line_json;
796 pmh = print_metricgroup_header_json;
797 } else {
798 pm = config->metric_only ? print_metric_only : print_metric_std;
799 nl = config->metric_only ? new_line_metric : new_line_std;
800 pmh = print_metricgroup_header_std;
801 }
802
803 if (run == 0 || ena == 0 || counter->counts->scaled == -1) {
804 if (config->metric_only) {
805 pm(config, os, NULL, "", "", 0);
806 return;
807 }
808
809 ok = false;
810
811 if (counter->supported) {
812 if (!evlist__has_hybrid(counter->evlist)) {
813 config->print_free_counters_hint = 1;
814 if (is_mixed_hw_group(counter))
815 config->print_mixed_hw_group_error = 1;
816 }
817 }
818 }
819
820 out.print_metric = pm;
821 out.new_line = nl;
822 out.print_metricgroup_header = pmh;
823 out.ctx = os;
824 out.force_header = false;
825
826 if (!config->metric_only && !counter->default_metricgroup) {
827 abs_printout(config, os->id, os->aggr_nr, counter, uval, ok);
828
829 print_noise(config, counter, noise, /*before_metric=*/true);
830 print_running(config, run, ena, /*before_metric=*/true);
831 }
832
833 if (ok) {
834 if (!config->metric_only && counter->default_metricgroup) {
835 void *from = NULL;
836
837 aggr_printout(config, os->evsel, os->id, os->aggr_nr);
838 /* Print out all the metricgroup with the same metric event. */
839 do {
840 int num = 0;
841
842 /* Print out the new line for the next new metricgroup. */
843 if (from) {
844 if (config->json_output)
845 new_line_json(config, (void *)os);
846 else
847 __new_line_std_csv(config, os);
848 }
849
850 print_noise(config, counter, noise, /*before_metric=*/true);
851 print_running(config, run, ena, /*before_metric=*/true);
852 from = perf_stat__print_shadow_stats_metricgroup(config, counter, aggr_idx,
853 &num, from, &out,
854 &config->metric_events);
855 } while (from != NULL);
856 } else
857 perf_stat__print_shadow_stats(config, counter, uval, aggr_idx,
858 &out, &config->metric_events);
859 } else {
860 pm(config, os, /*color=*/NULL, /*format=*/NULL, /*unit=*/"", /*val=*/0);
861 }
862
863 if (!config->metric_only) {
864 print_noise(config, counter, noise, /*before_metric=*/false);
865 print_running(config, run, ena, /*before_metric=*/false);
866 }
867}
868
869static void uniquify_event_name(struct evsel *counter)
870{
871 char *new_name;
872 char *config;
873 int ret = 0;
874
875 if (counter->uniquified_name || counter->use_config_name ||
876 !counter->pmu_name || !strncmp(evsel__name(counter), counter->pmu_name,
877 strlen(counter->pmu_name)))
878 return;
879
880 config = strchr(counter->name, '/');
881 if (config) {
882 if (asprintf(&new_name,
883 "%s%s", counter->pmu_name, config) > 0) {
884 free(counter->name);
885 counter->name = new_name;
886 }
887 } else {
888 if (evsel__is_hybrid(counter)) {
889 ret = asprintf(&new_name, "%s/%s/",
890 counter->pmu_name, counter->name);
891 } else {
892 ret = asprintf(&new_name, "%s [%s]",
893 counter->name, counter->pmu_name);
894 }
895
896 if (ret) {
897 free(counter->name);
898 counter->name = new_name;
899 }
900 }
901
902 counter->uniquified_name = true;
903}
904
905static bool hybrid_uniquify(struct evsel *evsel, struct perf_stat_config *config)
906{
907 return evsel__is_hybrid(evsel) && !config->hybrid_merge;
908}
909
910static void uniquify_counter(struct perf_stat_config *config, struct evsel *counter)
911{
912 if (config->aggr_mode == AGGR_NONE || hybrid_uniquify(counter, config))
913 uniquify_event_name(counter);
914}
915
916/**
917 * should_skip_zero_count() - Check if the event should print 0 values.
918 * @config: The perf stat configuration (including aggregation mode).
919 * @counter: The evsel with its associated cpumap.
920 * @id: The aggregation id that is being queried.
921 *
922 * Due to mismatch between the event cpumap or thread-map and the
923 * aggregation mode, sometimes it'd iterate the counter with the map
924 * which does not contain any values.
925 *
926 * For example, uncore events have dedicated CPUs to manage them,
927 * result for other CPUs should be zero and skipped.
928 *
929 * Return: %true if the value should NOT be printed, %false if the value
930 * needs to be printed like "<not counted>" or "<not supported>".
931 */
932static bool should_skip_zero_counter(struct perf_stat_config *config,
933 struct evsel *counter,
934 const struct aggr_cpu_id *id)
935{
936 struct perf_cpu cpu;
937 int idx;
938
939 /*
940 * Skip value 0 when enabling --per-thread globally,
941 * otherwise it will have too many 0 output.
942 */
943 if (config->aggr_mode == AGGR_THREAD && config->system_wide)
944 return true;
945
946 /* Tool events have the software PMU but are only gathered on 1. */
947 if (evsel__is_tool(counter))
948 return true;
949
950 /*
951 * Skip value 0 when it's an uncore event and the given aggr id
952 * does not belong to the PMU cpumask.
953 */
954 if (!counter->pmu || !counter->pmu->is_uncore)
955 return false;
956
957 perf_cpu_map__for_each_cpu(cpu, idx, counter->pmu->cpus) {
958 struct aggr_cpu_id own_id = config->aggr_get_id(config, cpu);
959
960 if (aggr_cpu_id__equal(id, &own_id))
961 return false;
962 }
963 return true;
964}
965
966static void print_counter_aggrdata(struct perf_stat_config *config,
967 struct evsel *counter, int aggr_idx,
968 struct outstate *os)
969{
970 FILE *output = config->output;
971 u64 ena, run, val;
972 double uval;
973 struct perf_stat_evsel *ps = counter->stats;
974 struct perf_stat_aggr *aggr = &ps->aggr[aggr_idx];
975 struct aggr_cpu_id id = config->aggr_map->map[aggr_idx];
976 double avg = aggr->counts.val;
977 bool metric_only = config->metric_only;
978
979 os->id = id;
980 os->aggr_nr = aggr->nr;
981 os->evsel = counter;
982
983 /* Skip already merged uncore/hybrid events */
984 if (counter->merged_stat)
985 return;
986
987 uniquify_counter(config, counter);
988
989 val = aggr->counts.val;
990 ena = aggr->counts.ena;
991 run = aggr->counts.run;
992
993 if (perf_stat__skip_metric_event(counter, &config->metric_events, ena, run))
994 return;
995
996 if (val == 0 && should_skip_zero_counter(config, counter, &id))
997 return;
998
999 if (!metric_only) {
1000 if (config->json_output)
1001 fputc('{', output);
1002 if (os->prefix)
1003 fprintf(output, "%s", os->prefix);
1004 else if (config->summary && config->csv_output &&
1005 !config->no_csv_summary && !config->interval)
1006 fprintf(output, "%s%s", "summary", config->csv_sep);
1007 }
1008
1009 uval = val * counter->scale;
1010
1011 printout(config, os, uval, run, ena, avg, aggr_idx);
1012
1013 if (!metric_only)
1014 fputc('\n', output);
1015}
1016
1017static void print_metric_begin(struct perf_stat_config *config,
1018 struct evlist *evlist,
1019 struct outstate *os, int aggr_idx)
1020{
1021 struct perf_stat_aggr *aggr;
1022 struct aggr_cpu_id id;
1023 struct evsel *evsel;
1024
1025 os->first = true;
1026 if (!config->metric_only)
1027 return;
1028
1029 if (config->json_output)
1030 fputc('{', config->output);
1031 if (os->prefix)
1032 fprintf(config->output, "%s", os->prefix);
1033
1034 evsel = evlist__first(evlist);
1035 id = config->aggr_map->map[aggr_idx];
1036 aggr = &evsel->stats->aggr[aggr_idx];
1037 aggr_printout(config, evsel, id, aggr->nr);
1038
1039 print_cgroup(config, os->cgrp ? : evsel->cgrp);
1040}
1041
1042static void print_metric_end(struct perf_stat_config *config, struct outstate *os)
1043{
1044 FILE *output = config->output;
1045
1046 if (!config->metric_only)
1047 return;
1048
1049 if (config->json_output) {
1050 if (os->first)
1051 fputs("\"metric-value\" : \"none\"", output);
1052 fputc('}', output);
1053 }
1054 fputc('\n', output);
1055}
1056
1057static void print_aggr(struct perf_stat_config *config,
1058 struct evlist *evlist,
1059 struct outstate *os)
1060{
1061 struct evsel *counter;
1062 int aggr_idx;
1063
1064 if (!config->aggr_map || !config->aggr_get_id)
1065 return;
1066
1067 /*
1068 * With metric_only everything is on a single line.
1069 * Without each counter has its own line.
1070 */
1071 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) {
1072 print_metric_begin(config, evlist, os, aggr_idx);
1073
1074 evlist__for_each_entry(evlist, counter) {
1075 print_counter_aggrdata(config, counter, aggr_idx, os);
1076 }
1077 print_metric_end(config, os);
1078 }
1079}
1080
1081static void print_aggr_cgroup(struct perf_stat_config *config,
1082 struct evlist *evlist,
1083 struct outstate *os)
1084{
1085 struct evsel *counter, *evsel;
1086 int aggr_idx;
1087
1088 if (!config->aggr_map || !config->aggr_get_id)
1089 return;
1090
1091 evlist__for_each_entry(evlist, evsel) {
1092 if (os->cgrp == evsel->cgrp)
1093 continue;
1094
1095 os->cgrp = evsel->cgrp;
1096
1097 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) {
1098 print_metric_begin(config, evlist, os, aggr_idx);
1099
1100 evlist__for_each_entry(evlist, counter) {
1101 if (counter->cgrp != os->cgrp)
1102 continue;
1103
1104 print_counter_aggrdata(config, counter, aggr_idx, os);
1105 }
1106 print_metric_end(config, os);
1107 }
1108 }
1109}
1110
1111static void print_counter(struct perf_stat_config *config,
1112 struct evsel *counter, struct outstate *os)
1113{
1114 int aggr_idx;
1115
1116 /* AGGR_THREAD doesn't have config->aggr_get_id */
1117 if (!config->aggr_map)
1118 return;
1119
1120 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) {
1121 print_counter_aggrdata(config, counter, aggr_idx, os);
1122 }
1123}
1124
1125static void print_no_aggr_metric(struct perf_stat_config *config,
1126 struct evlist *evlist,
1127 struct outstate *os)
1128{
1129 int all_idx;
1130 struct perf_cpu cpu;
1131
1132 perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) {
1133 struct evsel *counter;
1134 bool first = true;
1135
1136 evlist__for_each_entry(evlist, counter) {
1137 u64 ena, run, val;
1138 double uval;
1139 struct perf_stat_evsel *ps = counter->stats;
1140 int aggr_idx = 0;
1141
1142 if (!perf_cpu_map__has(evsel__cpus(counter), cpu))
1143 continue;
1144
1145 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) {
1146 if (config->aggr_map->map[aggr_idx].cpu.cpu == cpu.cpu)
1147 break;
1148 }
1149
1150 os->evsel = counter;
1151 os->id = aggr_cpu_id__cpu(cpu, /*data=*/NULL);
1152 if (first) {
1153 print_metric_begin(config, evlist, os, aggr_idx);
1154 first = false;
1155 }
1156 val = ps->aggr[aggr_idx].counts.val;
1157 ena = ps->aggr[aggr_idx].counts.ena;
1158 run = ps->aggr[aggr_idx].counts.run;
1159
1160 uval = val * counter->scale;
1161 printout(config, os, uval, run, ena, 1.0, aggr_idx);
1162 }
1163 if (!first)
1164 print_metric_end(config, os);
1165 }
1166}
1167
1168static void print_metric_headers_std(struct perf_stat_config *config,
1169 bool no_indent)
1170{
1171 fputc(' ', config->output);
1172
1173 if (!no_indent) {
1174 int len = aggr_header_lens[config->aggr_mode];
1175
1176 if (nr_cgroups || config->cgroup_list)
1177 len += CGROUP_LEN + 1;
1178
1179 fprintf(config->output, "%*s", len, "");
1180 }
1181}
1182
1183static void print_metric_headers_csv(struct perf_stat_config *config,
1184 bool no_indent __maybe_unused)
1185{
1186 if (config->interval)
1187 fputs("time,", config->output);
1188 if (!config->iostat_run)
1189 fputs(aggr_header_csv[config->aggr_mode], config->output);
1190}
1191
1192static void print_metric_headers_json(struct perf_stat_config *config __maybe_unused,
1193 bool no_indent __maybe_unused)
1194{
1195}
1196
1197static void print_metric_headers(struct perf_stat_config *config,
1198 struct evlist *evlist, bool no_indent)
1199{
1200 struct evsel *counter;
1201 struct outstate os = {
1202 .fh = config->output
1203 };
1204 struct perf_stat_output_ctx out = {
1205 .ctx = &os,
1206 .print_metric = print_metric_header,
1207 .new_line = new_line_metric,
1208 .force_header = true,
1209 };
1210
1211 if (config->json_output)
1212 print_metric_headers_json(config, no_indent);
1213 else if (config->csv_output)
1214 print_metric_headers_csv(config, no_indent);
1215 else
1216 print_metric_headers_std(config, no_indent);
1217
1218 if (config->iostat_run)
1219 iostat_print_header_prefix(config);
1220
1221 if (config->cgroup_list)
1222 os.cgrp = evlist__first(evlist)->cgrp;
1223
1224 /* Print metrics headers only */
1225 evlist__for_each_entry(evlist, counter) {
1226 if (config->aggr_mode != AGGR_NONE && counter->metric_leader != counter)
1227 continue;
1228
1229 os.evsel = counter;
1230
1231 perf_stat__print_shadow_stats(config, counter, 0,
1232 0,
1233 &out,
1234 &config->metric_events);
1235 }
1236
1237 if (!config->json_output)
1238 fputc('\n', config->output);
1239}
1240
1241static void prepare_interval(struct perf_stat_config *config,
1242 char *prefix, size_t len, struct timespec *ts)
1243{
1244 if (config->iostat_run)
1245 return;
1246
1247 if (config->json_output)
1248 scnprintf(prefix, len, "\"interval\" : %lu.%09lu, ",
1249 (unsigned long) ts->tv_sec, ts->tv_nsec);
1250 else if (config->csv_output)
1251 scnprintf(prefix, len, "%lu.%09lu%s",
1252 (unsigned long) ts->tv_sec, ts->tv_nsec, config->csv_sep);
1253 else
1254 scnprintf(prefix, len, "%6lu.%09lu ",
1255 (unsigned long) ts->tv_sec, ts->tv_nsec);
1256}
1257
1258static void print_header_interval_std(struct perf_stat_config *config,
1259 struct target *_target __maybe_unused,
1260 struct evlist *evlist,
1261 int argc __maybe_unused,
1262 const char **argv __maybe_unused)
1263{
1264 FILE *output = config->output;
1265
1266 switch (config->aggr_mode) {
1267 case AGGR_NODE:
1268 case AGGR_SOCKET:
1269 case AGGR_DIE:
1270 case AGGR_CLUSTER:
1271 case AGGR_CACHE:
1272 case AGGR_CORE:
1273 fprintf(output, "#%*s %-*s cpus",
1274 INTERVAL_LEN - 1, "time",
1275 aggr_header_lens[config->aggr_mode],
1276 aggr_header_std[config->aggr_mode]);
1277 break;
1278 case AGGR_NONE:
1279 fprintf(output, "#%*s %-*s",
1280 INTERVAL_LEN - 1, "time",
1281 aggr_header_lens[config->aggr_mode],
1282 aggr_header_std[config->aggr_mode]);
1283 break;
1284 case AGGR_THREAD:
1285 fprintf(output, "#%*s %*s-%-*s",
1286 INTERVAL_LEN - 1, "time",
1287 COMM_LEN, "comm", PID_LEN, "pid");
1288 break;
1289 case AGGR_GLOBAL:
1290 default:
1291 if (!config->iostat_run)
1292 fprintf(output, "#%*s",
1293 INTERVAL_LEN - 1, "time");
1294 case AGGR_UNSET:
1295 case AGGR_MAX:
1296 break;
1297 }
1298
1299 if (config->metric_only)
1300 print_metric_headers(config, evlist, true);
1301 else
1302 fprintf(output, " %*s %*s events\n",
1303 COUNTS_LEN, "counts", config->unit_width, "unit");
1304}
1305
1306static void print_header_std(struct perf_stat_config *config,
1307 struct target *_target, struct evlist *evlist,
1308 int argc, const char **argv)
1309{
1310 FILE *output = config->output;
1311 int i;
1312
1313 fprintf(output, "\n");
1314 fprintf(output, " Performance counter stats for ");
1315 if (_target->bpf_str)
1316 fprintf(output, "\'BPF program(s) %s", _target->bpf_str);
1317 else if (_target->system_wide)
1318 fprintf(output, "\'system wide");
1319 else if (_target->cpu_list)
1320 fprintf(output, "\'CPU(s) %s", _target->cpu_list);
1321 else if (!target__has_task(_target)) {
1322 fprintf(output, "\'%s", argv ? argv[0] : "pipe");
1323 for (i = 1; argv && (i < argc); i++)
1324 fprintf(output, " %s", argv[i]);
1325 } else if (_target->pid)
1326 fprintf(output, "process id \'%s", _target->pid);
1327 else
1328 fprintf(output, "thread id \'%s", _target->tid);
1329
1330 fprintf(output, "\'");
1331 if (config->run_count > 1)
1332 fprintf(output, " (%d runs)", config->run_count);
1333 fprintf(output, ":\n\n");
1334
1335 if (config->metric_only)
1336 print_metric_headers(config, evlist, false);
1337}
1338
1339static void print_header_csv(struct perf_stat_config *config,
1340 struct target *_target __maybe_unused,
1341 struct evlist *evlist,
1342 int argc __maybe_unused,
1343 const char **argv __maybe_unused)
1344{
1345 if (config->metric_only)
1346 print_metric_headers(config, evlist, true);
1347}
1348static void print_header_json(struct perf_stat_config *config,
1349 struct target *_target __maybe_unused,
1350 struct evlist *evlist,
1351 int argc __maybe_unused,
1352 const char **argv __maybe_unused)
1353{
1354 if (config->metric_only)
1355 print_metric_headers(config, evlist, true);
1356}
1357
1358static void print_header(struct perf_stat_config *config,
1359 struct target *_target,
1360 struct evlist *evlist,
1361 int argc, const char **argv)
1362{
1363 static int num_print_iv;
1364
1365 fflush(stdout);
1366
1367 if (config->interval_clear)
1368 puts(CONSOLE_CLEAR);
1369
1370 if (num_print_iv == 0 || config->interval_clear) {
1371 if (config->json_output)
1372 print_header_json(config, _target, evlist, argc, argv);
1373 else if (config->csv_output)
1374 print_header_csv(config, _target, evlist, argc, argv);
1375 else if (config->interval)
1376 print_header_interval_std(config, _target, evlist, argc, argv);
1377 else
1378 print_header_std(config, _target, evlist, argc, argv);
1379 }
1380
1381 if (num_print_iv++ == 25)
1382 num_print_iv = 0;
1383}
1384
1385static int get_precision(double num)
1386{
1387 if (num > 1)
1388 return 0;
1389
1390 return lround(ceil(-log10(num)));
1391}
1392
1393static void print_table(struct perf_stat_config *config,
1394 FILE *output, int precision, double avg)
1395{
1396 char tmp[64];
1397 int idx, indent = 0;
1398
1399 scnprintf(tmp, 64, " %17.*f", precision, avg);
1400 while (tmp[indent] == ' ')
1401 indent++;
1402
1403 fprintf(output, "%*s# Table of individual measurements:\n", indent, "");
1404
1405 for (idx = 0; idx < config->run_count; idx++) {
1406 double run = (double) config->walltime_run[idx] / NSEC_PER_SEC;
1407 int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5);
1408
1409 fprintf(output, " %17.*f (%+.*f) ",
1410 precision, run, precision, run - avg);
1411
1412 for (h = 0; h < n; h++)
1413 fprintf(output, "#");
1414
1415 fprintf(output, "\n");
1416 }
1417
1418 fprintf(output, "\n%*s# Final result:\n", indent, "");
1419}
1420
1421static double timeval2double(struct timeval *t)
1422{
1423 return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC;
1424}
1425
1426static void print_footer(struct perf_stat_config *config)
1427{
1428 double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
1429 FILE *output = config->output;
1430
1431 if (config->interval || config->csv_output || config->json_output)
1432 return;
1433
1434 if (!config->null_run)
1435 fprintf(output, "\n");
1436
1437 if (config->run_count == 1) {
1438 fprintf(output, " %17.9f seconds time elapsed", avg);
1439
1440 if (config->ru_display) {
1441 double ru_utime = timeval2double(&config->ru_data.ru_utime);
1442 double ru_stime = timeval2double(&config->ru_data.ru_stime);
1443
1444 fprintf(output, "\n\n");
1445 fprintf(output, " %17.9f seconds user\n", ru_utime);
1446 fprintf(output, " %17.9f seconds sys\n", ru_stime);
1447 }
1448 } else {
1449 double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
1450 /*
1451 * Display at most 2 more significant
1452 * digits than the stddev inaccuracy.
1453 */
1454 int precision = get_precision(sd) + 2;
1455
1456 if (config->walltime_run_table)
1457 print_table(config, output, precision, avg);
1458
1459 fprintf(output, " %17.*f +- %.*f seconds time elapsed",
1460 precision, avg, precision, sd);
1461
1462 print_noise_pct(config, sd, avg, /*before_metric=*/false);
1463 }
1464 fprintf(output, "\n\n");
1465
1466 if (config->print_free_counters_hint && sysctl__nmi_watchdog_enabled())
1467 fprintf(output,
1468"Some events weren't counted. Try disabling the NMI watchdog:\n"
1469" echo 0 > /proc/sys/kernel/nmi_watchdog\n"
1470" perf stat ...\n"
1471" echo 1 > /proc/sys/kernel/nmi_watchdog\n");
1472
1473 if (config->print_mixed_hw_group_error)
1474 fprintf(output,
1475 "The events in group usually have to be from "
1476 "the same PMU. Try reorganizing the group.\n");
1477}
1478
1479static void print_percore(struct perf_stat_config *config,
1480 struct evsel *counter, struct outstate *os)
1481{
1482 bool metric_only = config->metric_only;
1483 FILE *output = config->output;
1484 struct cpu_aggr_map *core_map;
1485 int aggr_idx, core_map_len = 0;
1486
1487 if (!config->aggr_map || !config->aggr_get_id)
1488 return;
1489
1490 if (config->percore_show_thread)
1491 return print_counter(config, counter, os);
1492
1493 /*
1494 * core_map will hold the aggr_cpu_id for the cores that have been
1495 * printed so that each core is printed just once.
1496 */
1497 core_map = cpu_aggr_map__empty_new(config->aggr_map->nr);
1498 if (core_map == NULL) {
1499 fprintf(output, "Cannot allocate per-core aggr map for display\n");
1500 return;
1501 }
1502
1503 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) {
1504 struct perf_cpu curr_cpu = config->aggr_map->map[aggr_idx].cpu;
1505 struct aggr_cpu_id core_id = aggr_cpu_id__core(curr_cpu, NULL);
1506 bool found = false;
1507
1508 for (int i = 0; i < core_map_len; i++) {
1509 if (aggr_cpu_id__equal(&core_map->map[i], &core_id)) {
1510 found = true;
1511 break;
1512 }
1513 }
1514 if (found)
1515 continue;
1516
1517 print_counter_aggrdata(config, counter, aggr_idx, os);
1518
1519 core_map->map[core_map_len++] = core_id;
1520 }
1521 free(core_map);
1522
1523 if (metric_only)
1524 fputc('\n', output);
1525}
1526
1527static void print_cgroup_counter(struct perf_stat_config *config, struct evlist *evlist,
1528 struct outstate *os)
1529{
1530 struct evsel *counter;
1531
1532 evlist__for_each_entry(evlist, counter) {
1533 if (os->cgrp != counter->cgrp) {
1534 if (os->cgrp != NULL)
1535 print_metric_end(config, os);
1536
1537 os->cgrp = counter->cgrp;
1538 print_metric_begin(config, evlist, os, /*aggr_idx=*/0);
1539 }
1540
1541 print_counter(config, counter, os);
1542 }
1543 if (os->cgrp)
1544 print_metric_end(config, os);
1545}
1546
1547void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config,
1548 struct target *_target, struct timespec *ts,
1549 int argc, const char **argv)
1550{
1551 bool metric_only = config->metric_only;
1552 int interval = config->interval;
1553 struct evsel *counter;
1554 char buf[64];
1555 struct outstate os = {
1556 .fh = config->output,
1557 .first = true,
1558 };
1559
1560 if (config->iostat_run)
1561 evlist->selected = evlist__first(evlist);
1562
1563 if (interval) {
1564 os.prefix = buf;
1565 prepare_interval(config, buf, sizeof(buf), ts);
1566 }
1567
1568 print_header(config, _target, evlist, argc, argv);
1569
1570 switch (config->aggr_mode) {
1571 case AGGR_CORE:
1572 case AGGR_CACHE:
1573 case AGGR_CLUSTER:
1574 case AGGR_DIE:
1575 case AGGR_SOCKET:
1576 case AGGR_NODE:
1577 if (config->cgroup_list)
1578 print_aggr_cgroup(config, evlist, &os);
1579 else
1580 print_aggr(config, evlist, &os);
1581 break;
1582 case AGGR_THREAD:
1583 case AGGR_GLOBAL:
1584 if (config->iostat_run) {
1585 iostat_print_counters(evlist, config, ts, buf,
1586 (iostat_print_counter_t)print_counter, &os);
1587 } else if (config->cgroup_list) {
1588 print_cgroup_counter(config, evlist, &os);
1589 } else {
1590 print_metric_begin(config, evlist, &os, /*aggr_idx=*/0);
1591 evlist__for_each_entry(evlist, counter) {
1592 print_counter(config, counter, &os);
1593 }
1594 print_metric_end(config, &os);
1595 }
1596 break;
1597 case AGGR_NONE:
1598 if (metric_only)
1599 print_no_aggr_metric(config, evlist, &os);
1600 else {
1601 evlist__for_each_entry(evlist, counter) {
1602 if (counter->percore)
1603 print_percore(config, counter, &os);
1604 else
1605 print_counter(config, counter, &os);
1606 }
1607 }
1608 break;
1609 case AGGR_MAX:
1610 case AGGR_UNSET:
1611 default:
1612 break;
1613 }
1614
1615 print_footer(config);
1616
1617 fflush(config->output);
1618}