]> Git Repo - linux.git/blob - tools/perf/util/stat-display.c
scsi: zfcp: Trace when request remove fails after qdio send fails
[linux.git] / tools / perf / util / stat-display.c
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-hybrid.h"
23 #include "evlist-hybrid.h"
24
25 #define CNTR_NOT_SUPPORTED      "<not supported>"
26 #define CNTR_NOT_COUNTED        "<not counted>"
27
28 #define METRIC_LEN   38
29 #define EVNAME_LEN   32
30 #define COUNTS_LEN   18
31 #define INTERVAL_LEN 16
32 #define CGROUP_LEN   16
33 #define COMM_LEN     16
34 #define PID_LEN       7
35 #define CPUS_LEN      4
36
37 static int aggr_header_lens[] = {
38         [AGGR_CORE]     = 18,
39         [AGGR_DIE]      = 12,
40         [AGGR_SOCKET]   = 6,
41         [AGGR_NODE]     = 6,
42         [AGGR_NONE]     = 6,
43         [AGGR_THREAD]   = 16,
44         [AGGR_GLOBAL]   = 0,
45 };
46
47 static const char *aggr_header_csv[] = {
48         [AGGR_CORE]     =       "core,cpus,",
49         [AGGR_DIE]      =       "die,cpus,",
50         [AGGR_SOCKET]   =       "socket,cpus,",
51         [AGGR_NONE]     =       "cpu,",
52         [AGGR_THREAD]   =       "comm-pid,",
53         [AGGR_NODE]     =       "node,",
54         [AGGR_GLOBAL]   =       ""
55 };
56
57 static const char *aggr_header_std[] = {
58         [AGGR_CORE]     =       "core",
59         [AGGR_DIE]      =       "die",
60         [AGGR_SOCKET]   =       "socket",
61         [AGGR_NONE]     =       "cpu",
62         [AGGR_THREAD]   =       "comm-pid",
63         [AGGR_NODE]     =       "node",
64         [AGGR_GLOBAL]   =       ""
65 };
66
67 static void print_running_std(struct perf_stat_config *config, u64 run, u64 ena)
68 {
69         if (run != ena)
70                 fprintf(config->output, "  (%.2f%%)", 100.0 * run / ena);
71 }
72
73 static void print_running_csv(struct perf_stat_config *config, u64 run, u64 ena)
74 {
75         double enabled_percent = 100;
76
77         if (run != ena)
78                 enabled_percent = 100 * run / ena;
79         fprintf(config->output, "%s%" PRIu64 "%s%.2f",
80                 config->csv_sep, run, config->csv_sep, enabled_percent);
81 }
82
83 static void print_running_json(struct perf_stat_config *config, u64 run, u64 ena)
84 {
85         double enabled_percent = 100;
86
87         if (run != ena)
88                 enabled_percent = 100 * run / ena;
89         fprintf(config->output, "\"event-runtime\" : %" PRIu64 ", \"pcnt-running\" : %.2f, ",
90                 run, enabled_percent);
91 }
92
93 static void print_running(struct perf_stat_config *config,
94                           u64 run, u64 ena, bool before_metric)
95 {
96         if (config->json_output) {
97                 if (before_metric)
98                         print_running_json(config, run, ena);
99         } else if (config->csv_output) {
100                 if (before_metric)
101                         print_running_csv(config, run, ena);
102         } else {
103                 if (!before_metric)
104                         print_running_std(config, run, ena);
105         }
106 }
107
108 static void print_noise_pct_std(struct perf_stat_config *config,
109                                 double pct)
110 {
111         if (pct)
112                 fprintf(config->output, "  ( +-%6.2f%% )", pct);
113 }
114
115 static void print_noise_pct_csv(struct perf_stat_config *config,
116                                 double pct)
117 {
118         fprintf(config->output, "%s%.2f%%", config->csv_sep, pct);
119 }
120
121 static void print_noise_pct_json(struct perf_stat_config *config,
122                                  double pct)
123 {
124         fprintf(config->output, "\"variance\" : %.2f, ", pct);
125 }
126
127 static void print_noise_pct(struct perf_stat_config *config,
128                             double total, double avg, bool before_metric)
129 {
130         double pct = rel_stddev_stats(total, avg);
131
132         if (config->json_output) {
133                 if (before_metric)
134                         print_noise_pct_json(config, pct);
135         } else if (config->csv_output) {
136                 if (before_metric)
137                         print_noise_pct_csv(config, pct);
138         } else {
139                 if (!before_metric)
140                         print_noise_pct_std(config, pct);
141         }
142 }
143
144 static void print_noise(struct perf_stat_config *config,
145                         struct evsel *evsel, double avg, bool before_metric)
146 {
147         struct perf_stat_evsel *ps;
148
149         if (config->run_count == 1)
150                 return;
151
152         ps = evsel->stats;
153         print_noise_pct(config, stddev_stats(&ps->res_stats), avg, before_metric);
154 }
155
156 static void print_cgroup_std(struct perf_stat_config *config, const char *cgrp_name)
157 {
158         fprintf(config->output, " %-*s", CGROUP_LEN, cgrp_name);
159 }
160
161 static void print_cgroup_csv(struct perf_stat_config *config, const char *cgrp_name)
162 {
163         fprintf(config->output, "%s%s", config->csv_sep, cgrp_name);
164 }
165
166 static void print_cgroup_json(struct perf_stat_config *config, const char *cgrp_name)
167 {
168         fprintf(config->output, "\"cgroup\" : \"%s\", ", cgrp_name);
169 }
170
171 static void print_cgroup(struct perf_stat_config *config, struct cgroup *cgrp)
172 {
173         if (nr_cgroups || config->cgroup_list) {
174                 const char *cgrp_name = cgrp ? cgrp->name  : "";
175
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);
180                 else
181                         print_cgroup_std(config, cgrp_name);
182         }
183 }
184
185 static void print_aggr_id_std(struct perf_stat_config *config,
186                               struct evsel *evsel, struct aggr_cpu_id id, int nr)
187 {
188         FILE *output = config->output;
189         int idx = config->aggr_mode;
190         char buf[128];
191
192         switch (config->aggr_mode) {
193         case AGGR_CORE:
194                 snprintf(buf, sizeof(buf), "S%d-D%d-C%d", id.socket, id.die, id.core);
195                 break;
196         case AGGR_DIE:
197                 snprintf(buf, sizeof(buf), "S%d-D%d", id.socket, id.die);
198                 break;
199         case AGGR_SOCKET:
200                 snprintf(buf, sizeof(buf), "S%d", id.socket);
201                 break;
202         case AGGR_NODE:
203                 snprintf(buf, sizeof(buf), "N%d", id.node);
204                 break;
205         case AGGR_NONE:
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);
214                 }
215                 return;
216         case AGGR_THREAD:
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));
220                 return;
221         case AGGR_GLOBAL:
222         case AGGR_UNSET:
223         case AGGR_MAX:
224         default:
225                 return;
226         }
227
228         fprintf(output, "%-*s %*d ", aggr_header_lens[idx], buf, 4, nr);
229 }
230
231 static void print_aggr_id_csv(struct perf_stat_config *config,
232                               struct evsel *evsel, struct aggr_cpu_id id, int nr)
233 {
234         FILE *output = config->output;
235         const char *sep = config->csv_sep;
236
237         switch (config->aggr_mode) {
238         case AGGR_CORE:
239                 fprintf(output, "S%d-D%d-C%d%s%d%s",
240                         id.socket, id.die, id.core, sep, nr, sep);
241                 break;
242         case AGGR_DIE:
243                 fprintf(output, "S%d-D%d%s%d%s",
244                         id.socket, id.die, sep, nr, sep);
245                 break;
246         case AGGR_SOCKET:
247                 fprintf(output, "S%d%s%d%s",
248                         id.socket, sep, nr, sep);
249                 break;
250         case AGGR_NODE:
251                 fprintf(output, "N%d%s%d%s",
252                         id.node, sep, nr, sep);
253                 break;
254         case AGGR_NONE:
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",
260                                 id.cpu.cpu, sep);
261                 }
262                 break;
263         case AGGR_THREAD:
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),
267                         sep);
268                 break;
269         case AGGR_GLOBAL:
270         case AGGR_UNSET:
271         case AGGR_MAX:
272         default:
273                 break;
274         }
275 }
276
277 static void print_aggr_id_json(struct perf_stat_config *config,
278                                struct evsel *evsel, struct aggr_cpu_id id, int nr)
279 {
280         FILE *output = config->output;
281
282         switch (config->aggr_mode) {
283         case AGGR_CORE:
284                 fprintf(output, "\"core\" : \"S%d-D%d-C%d\", \"aggregate-number\" : %d, ",
285                         id.socket, id.die, id.core, nr);
286                 break;
287         case AGGR_DIE:
288                 fprintf(output, "\"die\" : \"S%d-D%d\", \"aggregate-number\" : %d, ",
289                         id.socket, id.die, nr);
290                 break;
291         case AGGR_SOCKET:
292                 fprintf(output, "\"socket\" : \"S%d\", \"aggregate-number\" : %d, ",
293                         id.socket, nr);
294                 break;
295         case AGGR_NODE:
296                 fprintf(output, "\"node\" : \"N%d\", \"aggregate-number\" : %d, ",
297                         id.node, nr);
298                 break;
299         case AGGR_NONE:
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\", ",
305                                 id.cpu.cpu);
306                 }
307                 break;
308         case AGGR_THREAD:
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));
312                 break;
313         case AGGR_GLOBAL:
314         case AGGR_UNSET:
315         case AGGR_MAX:
316         default:
317                 break;
318         }
319 }
320
321 static void aggr_printout(struct perf_stat_config *config,
322                           struct evsel *evsel, struct aggr_cpu_id id, int nr)
323 {
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);
328         else
329                 print_aggr_id_std(config, evsel, id, nr);
330 }
331
332 struct outstate {
333         FILE *fh;
334         bool newline;
335         bool first;
336         const char *prefix;
337         int  nfields;
338         int  nr;
339         struct aggr_cpu_id id;
340         struct evsel *evsel;
341         struct cgroup *cgrp;
342 };
343
344 static void new_line_std(struct perf_stat_config *config __maybe_unused,
345                          void *ctx)
346 {
347         struct outstate *os = ctx;
348
349         os->newline = true;
350 }
351
352 static void do_new_line_std(struct perf_stat_config *config,
353                             struct outstate *os)
354 {
355         fputc('\n', os->fh);
356         if (os->prefix)
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, "                                                 ");
362 }
363
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)
367 {
368         struct outstate *os = ctx;
369         FILE *out = os->fh;
370         int n;
371         bool newline = os->newline;
372
373         os->newline = false;
374
375         if (unit == NULL || fmt == NULL) {
376                 fprintf(out, "%-*s", METRIC_LEN, "");
377                 return;
378         }
379
380         if (newline)
381                 do_new_line_std(config, os);
382
383         n = fprintf(out, " # ");
384         if (color)
385                 n += color_fprintf(out, color, fmt, val);
386         else
387                 n += fprintf(out, fmt, val);
388         fprintf(out, " %-*s", METRIC_LEN - n - 1, unit);
389 }
390
391 static void new_line_csv(struct perf_stat_config *config, void *ctx)
392 {
393         struct outstate *os = ctx;
394         int i;
395
396         fputc('\n', os->fh);
397         if (os->prefix)
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);
402 }
403
404 static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
405                              void *ctx,
406                              const char *color __maybe_unused,
407                              const char *fmt, const char *unit, double val)
408 {
409         struct outstate *os = ctx;
410         FILE *out = os->fh;
411         char buf[64], *vals, *ends;
412
413         if (unit == NULL || fmt == NULL) {
414                 fprintf(out, "%s%s", config->csv_sep, config->csv_sep);
415                 return;
416         }
417         snprintf(buf, sizeof(buf), fmt, val);
418         ends = vals = skip_spaces(buf);
419         while (isdigit(*ends) || *ends == '.')
420                 ends++;
421         *ends = 0;
422         fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, skip_spaces(unit));
423 }
424
425 static void print_metric_json(struct perf_stat_config *config __maybe_unused,
426                              void *ctx,
427                              const char *color __maybe_unused,
428                              const char *fmt __maybe_unused,
429                              const char *unit, double val)
430 {
431         struct outstate *os = ctx;
432         FILE *out = os->fh;
433
434         fprintf(out, "\"metric-value\" : %f, ", val);
435         fprintf(out, "\"metric-unit\" : \"%s\"", unit);
436         if (!config->metric_only)
437                 fprintf(out, "}");
438 }
439
440 static void new_line_json(struct perf_stat_config *config, void *ctx)
441 {
442         struct outstate *os = ctx;
443
444         fputs("\n{", os->fh);
445         if (os->prefix)
446                 fprintf(os->fh, "%s", os->prefix);
447         aggr_printout(config, os->evsel, os->id, os->nr);
448 }
449
450 /* Filter out some columns that don't work well in metrics only mode */
451
452 static bool valid_only_metric(const char *unit)
453 {
454         if (!unit)
455                 return false;
456         if (strstr(unit, "/sec") ||
457             strstr(unit, "CPUs utilized"))
458                 return false;
459         return true;
460 }
461
462 static const char *fixunit(char *buf, struct evsel *evsel,
463                            const char *unit)
464 {
465         if (!strncmp(unit, "of all", 6)) {
466                 snprintf(buf, 1024, "%s %s", evsel__name(evsel),
467                          unit);
468                 return buf;
469         }
470         return unit;
471 }
472
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)
476 {
477         struct outstate *os = ctx;
478         FILE *out = os->fh;
479         char buf[1024], str[1024];
480         unsigned mlen = config->metric_only_len;
481
482         if (!valid_only_metric(unit))
483                 return;
484         unit = fixunit(buf, os->evsel, unit);
485         if (mlen < strlen(unit))
486                 mlen = strlen(unit) + 1;
487
488         if (color)
489                 mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
490
491         color_snprintf(str, sizeof(str), color ?: "", fmt, val);
492         fprintf(out, "%*s ", mlen, str);
493         os->first = false;
494 }
495
496 static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused,
497                                   void *ctx, const char *color __maybe_unused,
498                                   const char *fmt,
499                                   const char *unit, double val)
500 {
501         struct outstate *os = ctx;
502         FILE *out = os->fh;
503         char buf[64], *vals, *ends;
504         char tbuf[1024];
505
506         if (!valid_only_metric(unit))
507                 return;
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 == '.')
512                 ends++;
513         *ends = 0;
514         fprintf(out, "%s%s", vals, config->csv_sep);
515         os->first = false;
516 }
517
518 static void print_metric_only_json(struct perf_stat_config *config __maybe_unused,
519                                   void *ctx, const char *color __maybe_unused,
520                                   const char *fmt,
521                                   const char *unit, double val)
522 {
523         struct outstate *os = ctx;
524         FILE *out = os->fh;
525         char buf[64], *vals, *ends;
526         char tbuf[1024];
527
528         if (!valid_only_metric(unit))
529                 return;
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 == '.')
534                 ends++;
535         *ends = 0;
536         if (!unit[0] || !vals[0])
537                 return;
538         fprintf(out, "%s\"%s\" : \"%s\"", os->first ? "" : ", ", unit, vals);
539         os->first = false;
540 }
541
542 static void new_line_metric(struct perf_stat_config *config __maybe_unused,
543                             void *ctx __maybe_unused)
544 {
545 }
546
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)
551 {
552         struct outstate *os = ctx;
553         char tbuf[1024];
554
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)
558                 return;
559
560         if (os->evsel->cgrp != os->cgrp)
561                 return;
562
563         if (!valid_only_metric(unit))
564                 return;
565         unit = fixunit(tbuf, os->evsel, unit);
566
567         if (config->json_output)
568                 return;
569         else if (config->csv_output)
570                 fprintf(os->fh, "%s%s", unit, config->csv_sep);
571         else
572                 fprintf(os->fh, "%*s ", config->metric_only_len, unit);
573 }
574
575 static void print_counter_value_std(struct perf_stat_config *config,
576                                     struct evsel *evsel, double avg, bool ok)
577 {
578         FILE *output = config->output;
579         double sc =  evsel->scale;
580         const char *fmt;
581         const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED;
582
583         if (config->big_num)
584                 fmt = floor(sc) != sc ? "%'*.2f " : "%'*.0f ";
585         else
586                 fmt = floor(sc) != sc ? "%*.2f " : "%*.0f ";
587
588         if (ok)
589                 fprintf(output, fmt, COUNTS_LEN, avg);
590         else
591                 fprintf(output, "%*s ", COUNTS_LEN, bad_count);
592
593         if (evsel->unit)
594                 fprintf(output, "%-*s ", config->unit_width, evsel->unit);
595
596         fprintf(output, "%-*s", EVNAME_LEN, evsel__name(evsel));
597 }
598
599 static void print_counter_value_csv(struct perf_stat_config *config,
600                                     struct evsel *evsel, double avg, bool ok)
601 {
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;
607
608         if (ok)
609                 fprintf(output, fmt, avg, sep);
610         else
611                 fprintf(output, "%s%s", bad_count, sep);
612
613         if (evsel->unit)
614                 fprintf(output, "%s%s", evsel->unit, sep);
615
616         fprintf(output, "%s", evsel__name(evsel));
617 }
618
619 static void print_counter_value_json(struct perf_stat_config *config,
620                                      struct evsel *evsel, double avg, bool ok)
621 {
622         FILE *output = config->output;
623         const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED;
624
625         if (ok)
626                 fprintf(output, "\"counter-value\" : \"%f\", ", avg);
627         else
628                 fprintf(output, "\"counter-value\" : \"%s\", ", bad_count);
629
630         if (evsel->unit)
631                 fprintf(output, "\"unit\" : \"%s\", ", evsel->unit);
632
633         fprintf(output, "\"event\" : \"%s\", ", evsel__name(evsel));
634 }
635
636 static void print_counter_value(struct perf_stat_config *config,
637                                 struct evsel *evsel, double avg, bool ok)
638 {
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);
643         else
644                 print_counter_value_std(config, evsel, avg, ok);
645 }
646
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)
650 {
651         aggr_printout(config, evsel, id, nr);
652         print_counter_value(config, evsel, avg, ok);
653         print_cgroup(config, evsel->cgrp);
654 }
655
656 static bool is_mixed_hw_group(struct evsel *counter)
657 {
658         struct evlist *evlist = counter->evlist;
659         u32 pmu_type = counter->core.attr.type;
660         struct evsel *pos;
661
662         if (counter->core.nr_members < 2)
663                 return false;
664
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)
668                         continue;
669                 if (pmu_type == PERF_TYPE_SOFTWARE) {
670                         pmu_type = pos->core.attr.type;
671                         continue;
672                 }
673                 if (pmu_type != pos->core.attr.type)
674                         return true;
675         }
676
677         return false;
678 }
679
680 static void printout(struct perf_stat_config *config, struct outstate *os,
681                      double uval, u64 run, u64 ena, double noise, int map_idx)
682 {
683         struct perf_stat_output_ctx out;
684         print_metric_t pm;
685         new_line_t nl;
686         bool ok = true;
687         struct evsel *counter = os->evsel;
688
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;
696         } else {
697                 pm = config->metric_only ? print_metric_only : print_metric_std;
698                 nl = config->metric_only ? new_line_metric : new_line_std;
699         }
700
701         if (run == 0 || ena == 0 || counter->counts->scaled == -1) {
702                 if (config->metric_only) {
703                         pm(config, os, NULL, "", "", 0);
704                         return;
705                 }
706
707                 ok = false;
708
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;
714                         }
715                 }
716         }
717
718         out.print_metric = pm;
719         out.new_line = nl;
720         out.ctx = os;
721         out.force_header = false;
722
723         if (!config->metric_only) {
724                 abs_printout(config, os->id, os->nr, counter, uval, ok);
725
726                 print_noise(config, counter, noise, /*before_metric=*/true);
727                 print_running(config, run, ena, /*before_metric=*/true);
728         }
729
730         if (ok) {
731                 perf_stat__print_shadow_stats(config, counter, uval, map_idx,
732                                               &out, &config->metric_events, &rt_stat);
733         } else {
734                 pm(config, os, /*color=*/NULL, /*format=*/NULL, /*unit=*/"", /*val=*/0);
735         }
736
737         if (!config->metric_only) {
738                 print_noise(config, counter, noise, /*before_metric=*/false);
739                 print_running(config, run, ena, /*before_metric=*/false);
740         }
741 }
742
743 static void uniquify_event_name(struct evsel *counter)
744 {
745         char *new_name;
746         char *config;
747         int ret = 0;
748
749         if (counter->uniquified_name || counter->use_config_name ||
750             !counter->pmu_name || !strncmp(counter->name, counter->pmu_name,
751                                            strlen(counter->pmu_name)))
752                 return;
753
754         config = strchr(counter->name, '/');
755         if (config) {
756                 if (asprintf(&new_name,
757                              "%s%s", counter->pmu_name, config) > 0) {
758                         free(counter->name);
759                         counter->name = new_name;
760                 }
761         } else {
762                 if (evsel__is_hybrid(counter)) {
763                         ret = asprintf(&new_name, "%s/%s/",
764                                        counter->pmu_name, counter->name);
765                 } else {
766                         ret = asprintf(&new_name, "%s [%s]",
767                                        counter->name, counter->pmu_name);
768                 }
769
770                 if (ret) {
771                         free(counter->name);
772                         counter->name = new_name;
773                 }
774         }
775
776         counter->uniquified_name = true;
777 }
778
779 static bool hybrid_uniquify(struct evsel *evsel, struct perf_stat_config *config)
780 {
781         return evsel__is_hybrid(evsel) && !config->hybrid_merge;
782 }
783
784 static void uniquify_counter(struct perf_stat_config *config, struct evsel *counter)
785 {
786         if (config->no_merge || hybrid_uniquify(counter, config))
787                 uniquify_event_name(counter);
788 }
789
790 static void print_counter_aggrdata(struct perf_stat_config *config,
791                                    struct evsel *counter, int s,
792                                    struct outstate *os)
793 {
794         FILE *output = config->output;
795         u64 ena, run, val;
796         double uval;
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;
802
803         os->id = id;
804         os->nr = aggr->nr;
805         os->evsel = counter;
806
807         /* Skip already merged uncore/hybrid events */
808         if (counter->merged_stat)
809                 return;
810
811         uniquify_counter(config, counter);
812
813         val = aggr->counts.val;
814         ena = aggr->counts.ena;
815         run = aggr->counts.run;
816
817         /*
818          * Skip value 0 when enabling --per-thread globally, otherwise it will
819          * have too many 0 output.
820          */
821         if (val == 0 && config->aggr_mode == AGGR_THREAD && config->system_wide)
822                 return;
823
824         if (!metric_only) {
825                 if (config->json_output)
826                         fputc('{', output);
827                 if (os->prefix)
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);
832         }
833
834         uval = val * counter->scale;
835
836         printout(config, os, uval, run, ena, avg, s);
837
838         if (!metric_only)
839                 fputc('\n', output);
840 }
841
842 static void print_metric_begin(struct perf_stat_config *config,
843                                struct evlist *evlist,
844                                struct outstate *os, int aggr_idx)
845 {
846         struct perf_stat_aggr *aggr;
847         struct aggr_cpu_id id;
848         struct evsel *evsel;
849
850         os->first = true;
851         if (!config->metric_only)
852                 return;
853
854         if (config->json_output)
855                 fputc('{', config->output);
856         if (os->prefix)
857                 fprintf(config->output, "%s", os->prefix);
858
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);
863
864         print_cgroup(config, os->cgrp ? : evsel->cgrp);
865 }
866
867 static void print_metric_end(struct perf_stat_config *config, struct outstate *os)
868 {
869         FILE *output = config->output;
870
871         if (!config->metric_only)
872                 return;
873
874         if (config->json_output) {
875                 if (os->first)
876                         fputs("\"metric-value\" : \"none\"", output);
877                 fputc('}', output);
878         }
879         fputc('\n', output);
880 }
881
882 static void print_aggr(struct perf_stat_config *config,
883                        struct evlist *evlist,
884                        struct outstate *os)
885 {
886         struct evsel *counter;
887         int s;
888
889         if (!config->aggr_map || !config->aggr_get_id)
890                 return;
891
892         /*
893          * With metric_only everything is on a single line.
894          * Without each counter has its own line.
895          */
896         for (s = 0; s < config->aggr_map->nr; s++) {
897                 print_metric_begin(config, evlist, os, s);
898
899                 evlist__for_each_entry(evlist, counter) {
900                         print_counter_aggrdata(config, counter, s, os);
901                 }
902                 print_metric_end(config, os);
903         }
904 }
905
906 static void print_aggr_cgroup(struct perf_stat_config *config,
907                               struct evlist *evlist,
908                               struct outstate *os)
909 {
910         struct evsel *counter, *evsel;
911         int s;
912
913         if (!config->aggr_map || !config->aggr_get_id)
914                 return;
915
916         evlist__for_each_entry(evlist, evsel) {
917                 if (os->cgrp == evsel->cgrp)
918                         continue;
919
920                 os->cgrp = evsel->cgrp;
921
922                 for (s = 0; s < config->aggr_map->nr; s++) {
923                         print_metric_begin(config, evlist, os, s);
924
925                         evlist__for_each_entry(evlist, counter) {
926                                 if (counter->cgrp != os->cgrp)
927                                         continue;
928
929                                 print_counter_aggrdata(config, counter, s, os);
930                         }
931                         print_metric_end(config, os);
932                 }
933         }
934 }
935
936 static void print_counter(struct perf_stat_config *config,
937                           struct evsel *counter, struct outstate *os)
938 {
939         int s;
940
941         /* AGGR_THREAD doesn't have config->aggr_get_id */
942         if (!config->aggr_map)
943                 return;
944
945         for (s = 0; s < config->aggr_map->nr; s++) {
946                 print_counter_aggrdata(config, counter, s, os);
947         }
948 }
949
950 static void print_no_aggr_metric(struct perf_stat_config *config,
951                                  struct evlist *evlist,
952                                  struct outstate *os)
953 {
954         int all_idx;
955         struct perf_cpu cpu;
956
957         perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) {
958                 struct evsel *counter;
959                 bool first = true;
960
961                 evlist__for_each_entry(evlist, counter) {
962                         u64 ena, run, val;
963                         double uval;
964                         struct perf_stat_evsel *ps = counter->stats;
965                         int counter_idx = perf_cpu_map__idx(evsel__cpus(counter), cpu);
966
967                         if (counter_idx < 0)
968                                 continue;
969
970                         os->evsel = counter;
971                         os->id = aggr_cpu_id__cpu(cpu, /*data=*/NULL);
972                         if (first) {
973                                 print_metric_begin(config, evlist, os, counter_idx);
974                                 first = false;
975                         }
976                         val = ps->aggr[counter_idx].counts.val;
977                         ena = ps->aggr[counter_idx].counts.ena;
978                         run = ps->aggr[counter_idx].counts.run;
979
980                         uval = val * counter->scale;
981                         printout(config, os, uval, run, ena, 1.0, counter_idx);
982                 }
983                 if (!first)
984                         print_metric_end(config, os);
985         }
986 }
987
988 static void print_metric_headers_std(struct perf_stat_config *config,
989                                      bool no_indent)
990 {
991         fputc(' ', config->output);
992
993         if (!no_indent) {
994                 int len = aggr_header_lens[config->aggr_mode];
995
996                 if (nr_cgroups || config->cgroup_list)
997                         len += CGROUP_LEN + 1;
998
999                 fprintf(config->output, "%*s", len, "");
1000         }
1001 }
1002
1003 static void print_metric_headers_csv(struct perf_stat_config *config,
1004                                      bool no_indent __maybe_unused)
1005 {
1006         if (config->interval)
1007                 fputs("time,", config->output);
1008         if (!config->iostat_run)
1009                 fputs(aggr_header_csv[config->aggr_mode], config->output);
1010 }
1011
1012 static void print_metric_headers_json(struct perf_stat_config *config __maybe_unused,
1013                                       bool no_indent __maybe_unused)
1014 {
1015 }
1016
1017 static void print_metric_headers(struct perf_stat_config *config,
1018                                  struct evlist *evlist, bool no_indent)
1019 {
1020         struct evsel *counter;
1021         struct outstate os = {
1022                 .fh = config->output
1023         };
1024         struct perf_stat_output_ctx out = {
1025                 .ctx = &os,
1026                 .print_metric = print_metric_header,
1027                 .new_line = new_line_metric,
1028                 .force_header = true,
1029         };
1030
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);
1035         else
1036                 print_metric_headers_std(config, no_indent);
1037
1038         if (config->iostat_run)
1039                 iostat_print_header_prefix(config);
1040
1041         if (config->cgroup_list)
1042                 os.cgrp = evlist__first(evlist)->cgrp;
1043
1044         /* Print metrics headers only */
1045         evlist__for_each_entry(evlist, counter) {
1046                 os.evsel = counter;
1047
1048                 perf_stat__print_shadow_stats(config, counter, 0,
1049                                               0,
1050                                               &out,
1051                                               &config->metric_events,
1052                                               &rt_stat);
1053         }
1054
1055         if (!config->json_output)
1056                 fputc('\n', config->output);
1057 }
1058
1059 static void prepare_interval(struct perf_stat_config *config,
1060                              char *prefix, size_t len, struct timespec *ts)
1061 {
1062         if (config->iostat_run)
1063                 return;
1064
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);
1071         else
1072                 scnprintf(prefix, len, "%6lu.%09lu ",
1073                           (unsigned long) ts->tv_sec, ts->tv_nsec);
1074 }
1075
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)
1081 {
1082         FILE *output = config->output;
1083
1084         switch (config->aggr_mode) {
1085         case AGGR_NODE:
1086         case AGGR_SOCKET:
1087         case AGGR_DIE:
1088         case AGGR_CORE:
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]);
1093                 break;
1094         case AGGR_NONE:
1095                 fprintf(output, "#%*s %-*s",
1096                         INTERVAL_LEN - 1, "time",
1097                         aggr_header_lens[config->aggr_mode],
1098                         aggr_header_std[config->aggr_mode]);
1099                 break;
1100         case AGGR_THREAD:
1101                 fprintf(output, "#%*s %*s-%-*s",
1102                         INTERVAL_LEN - 1, "time",
1103                         COMM_LEN, "comm", PID_LEN, "pid");
1104                 break;
1105         case AGGR_GLOBAL:
1106         default:
1107                 if (!config->iostat_run)
1108                         fprintf(output, "#%*s",
1109                                 INTERVAL_LEN - 1, "time");
1110         case AGGR_UNSET:
1111         case AGGR_MAX:
1112                 break;
1113         }
1114
1115         if (config->metric_only)
1116                 print_metric_headers(config, evlist, true);
1117         else
1118                 fprintf(output, " %*s %*s events\n",
1119                         COUNTS_LEN, "counts", config->unit_width, "unit");
1120 }
1121
1122 static void print_header_std(struct perf_stat_config *config,
1123                              struct target *_target, struct evlist *evlist,
1124                              int argc, const char **argv)
1125 {
1126         FILE *output = config->output;
1127         int i;
1128
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);
1143         else
1144                 fprintf(output, "thread id \'%s", _target->tid);
1145
1146         fprintf(output, "\'");
1147         if (config->run_count > 1)
1148                 fprintf(output, " (%d runs)", config->run_count);
1149         fprintf(output, ":\n\n");
1150
1151         if (config->metric_only)
1152                 print_metric_headers(config, evlist, false);
1153 }
1154
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)
1160 {
1161         if (config->metric_only)
1162                 print_metric_headers(config, evlist, true);
1163 }
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)
1169 {
1170         if (config->metric_only)
1171                 print_metric_headers(config, evlist, true);
1172 }
1173
1174 static void print_header(struct perf_stat_config *config,
1175                          struct target *_target,
1176                          struct evlist *evlist,
1177                          int argc, const char **argv)
1178 {
1179         static int num_print_iv;
1180
1181         fflush(stdout);
1182
1183         if (config->interval_clear)
1184                 puts(CONSOLE_CLEAR);
1185
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);
1193                 else
1194                         print_header_std(config, _target, evlist, argc, argv);
1195         }
1196
1197         if (num_print_iv++ == 25)
1198                 num_print_iv = 0;
1199 }
1200
1201 static int get_precision(double num)
1202 {
1203         if (num > 1)
1204                 return 0;
1205
1206         return lround(ceil(-log10(num)));
1207 }
1208
1209 static void print_table(struct perf_stat_config *config,
1210                         FILE *output, int precision, double avg)
1211 {
1212         char tmp[64];
1213         int idx, indent = 0;
1214
1215         scnprintf(tmp, 64, " %17.*f", precision, avg);
1216         while (tmp[indent] == ' ')
1217                 indent++;
1218
1219         fprintf(output, "%*s# Table of individual measurements:\n", indent, "");
1220
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);
1224
1225                 fprintf(output, " %17.*f (%+.*f) ",
1226                         precision, run, precision, run - avg);
1227
1228                 for (h = 0; h < n; h++)
1229                         fprintf(output, "#");
1230
1231                 fprintf(output, "\n");
1232         }
1233
1234         fprintf(output, "\n%*s# Final result:\n", indent, "");
1235 }
1236
1237 static double timeval2double(struct timeval *t)
1238 {
1239         return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC;
1240 }
1241
1242 static void print_footer(struct perf_stat_config *config)
1243 {
1244         double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
1245         FILE *output = config->output;
1246
1247         if (config->interval || config->csv_output || config->json_output)
1248                 return;
1249
1250         if (!config->null_run)
1251                 fprintf(output, "\n");
1252
1253         if (config->run_count == 1) {
1254                 fprintf(output, " %17.9f seconds time elapsed", avg);
1255
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);
1259
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);
1263                 }
1264         } else {
1265                 double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
1266                 /*
1267                  * Display at most 2 more significant
1268                  * digits than the stddev inaccuracy.
1269                  */
1270                 int precision = get_precision(sd) + 2;
1271
1272                 if (config->walltime_run_table)
1273                         print_table(config, output, precision, avg);
1274
1275                 fprintf(output, " %17.*f +- %.*f seconds time elapsed",
1276                         precision, avg, precision, sd);
1277
1278                 print_noise_pct(config, sd, avg, /*before_metric=*/false);
1279         }
1280         fprintf(output, "\n\n");
1281
1282         if (config->print_free_counters_hint && sysctl__nmi_watchdog_enabled())
1283                 fprintf(output,
1284 "Some events weren't counted. Try disabling the NMI watchdog:\n"
1285 "       echo 0 > /proc/sys/kernel/nmi_watchdog\n"
1286 "       perf stat ...\n"
1287 "       echo 1 > /proc/sys/kernel/nmi_watchdog\n");
1288
1289         if (config->print_mixed_hw_group_error)
1290                 fprintf(output,
1291                         "The events in group usually have to be from "
1292                         "the same PMU. Try reorganizing the group.\n");
1293 }
1294
1295 static void print_percore(struct perf_stat_config *config,
1296                           struct evsel *counter, struct outstate *os)
1297 {
1298         bool metric_only = config->metric_only;
1299         FILE *output = config->output;
1300         struct cpu_aggr_map *core_map;
1301         int s, c, i;
1302
1303         if (!config->aggr_map || !config->aggr_get_id)
1304                 return;
1305
1306         if (config->percore_show_thread)
1307                 return print_counter(config, counter, os);
1308
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");
1312                 return;
1313         }
1314
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);
1318                 bool found = false;
1319
1320                 for (i = 0; i < c; i++) {
1321                         if (aggr_cpu_id__equal(&core_map->map[i], &core_id)) {
1322                                 found = true;
1323                                 break;
1324                         }
1325                 }
1326                 if (found)
1327                         continue;
1328
1329                 print_counter_aggrdata(config, counter, s, os);
1330
1331                 core_map->map[c++] = core_id;
1332         }
1333         free(core_map);
1334
1335         if (metric_only)
1336                 fputc('\n', output);
1337 }
1338
1339 static void print_cgroup_counter(struct perf_stat_config *config, struct evlist *evlist,
1340                                  struct outstate *os)
1341 {
1342         struct evsel *counter;
1343
1344         evlist__for_each_entry(evlist, counter) {
1345                 if (os->cgrp != counter->cgrp) {
1346                         if (os->cgrp != NULL)
1347                                 print_metric_end(config, os);
1348
1349                         os->cgrp = counter->cgrp;
1350                         print_metric_begin(config, evlist, os, /*aggr_idx=*/0);
1351                 }
1352
1353                 print_counter(config, counter, os);
1354         }
1355         if (os->cgrp)
1356                 print_metric_end(config, os);
1357 }
1358
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)
1362 {
1363         bool metric_only = config->metric_only;
1364         int interval = config->interval;
1365         struct evsel *counter;
1366         char buf[64];
1367         struct outstate os = {
1368                 .fh = config->output,
1369                 .first = true,
1370         };
1371
1372         if (config->iostat_run)
1373                 evlist->selected = evlist__first(evlist);
1374
1375         if (interval) {
1376                 os.prefix = buf;
1377                 prepare_interval(config, buf, sizeof(buf), ts);
1378         }
1379
1380         print_header(config, _target, evlist, argc, argv);
1381
1382         switch (config->aggr_mode) {
1383         case AGGR_CORE:
1384         case AGGR_DIE:
1385         case AGGR_SOCKET:
1386         case AGGR_NODE:
1387                 if (config->cgroup_list)
1388                         print_aggr_cgroup(config, evlist, &os);
1389                 else
1390                         print_aggr(config, evlist, &os);
1391                 break;
1392         case AGGR_THREAD:
1393         case AGGR_GLOBAL:
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);
1399                 } else {
1400                         print_metric_begin(config, evlist, &os, /*aggr_idx=*/0);
1401                         evlist__for_each_entry(evlist, counter) {
1402                                 print_counter(config, counter, &os);
1403                         }
1404                         print_metric_end(config, &os);
1405                 }
1406                 break;
1407         case AGGR_NONE:
1408                 if (metric_only)
1409                         print_no_aggr_metric(config, evlist, &os);
1410                 else {
1411                         evlist__for_each_entry(evlist, counter) {
1412                                 if (counter->percore)
1413                                         print_percore(config, counter, &os);
1414                                 else
1415                                         print_counter(config, counter, &os);
1416                         }
1417                 }
1418                 break;
1419         case AGGR_MAX:
1420         case AGGR_UNSET:
1421         default:
1422                 break;
1423         }
1424
1425         print_footer(config);
1426
1427         fflush(config->output);
1428 }
This page took 0.120531 seconds and 4 git commands to generate.