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 "color.h"
   8 #include "counts.h"
   9 #include "evlist.h"
  10 #include "evsel.h"
  11 #include "stat.h"
  12 #include "top.h"
  13 #include "thread_map.h"
  14 #include "cpumap.h"
  15 #include "string2.h"
  16 #include <linux/ctype.h>
  17 #include "cgroup.h"
  18 #include <api/fs/fs.h>
  19 #include "util.h"
  20 #include "iostat.h"
  21 #include "pmu-hybrid.h"
  22
  23 #define CNTR_NOT_SUPPORTED      "<not supported>"
  24 #define CNTR_NOT_COUNTED        "<not counted>"
  25
  26 static void print_running(struct perf_stat_config *config,
  27                           u64 run, u64 ena)
  28 {
  29         if (config->csv_output) {
  30                 fprintf(config->output, "%s%" PRIu64 "%s%.2f",
  31                                         config->csv_sep,
  32                                         run,
  33                                         config->csv_sep,
  34                                         ena ? 100.0 * run / ena : 100.0);
  35         } else if (run != ena) {
  36                 fprintf(config->output, "  (%.2f%%)", 100.0 * run / ena);
  37         }
  38 }
  39
  40 static void print_noise_pct(struct perf_stat_config *config,
  41                             double total, double avg)
  42 {
  43         double pct = rel_stddev_stats(total, avg);
  44
  45         if (config->csv_output)
  46                 fprintf(config->output, "%s%.2f%%", config->csv_sep, pct);
  47         else if (pct)
  48                 fprintf(config->output, "  ( +-%6.2f%% )", pct);
  49 }
  50
  51 static void print_noise(struct perf_stat_config *config,
  52                         struct evsel *evsel, double avg)
  53 {
  54         struct perf_stat_evsel *ps;
  55
  56         if (config->run_count == 1)
  57                 return;
  58
  59         ps = evsel->stats;
  60         print_noise_pct(config, stddev_stats(&ps->res_stats[0]), avg);
  61 }
  62
  63 static void print_cgroup(struct perf_stat_config *config, struct evsel *evsel)
  64 {
  65         if (nr_cgroups) {
  66                 const char *cgrp_name = evsel->cgrp ? evsel->cgrp->name  : "";
  67                 fprintf(config->output, "%s%s", config->csv_sep, cgrp_name);
  68         }
  69 }
  70
  71
  72 static void aggr_printout(struct perf_stat_config *config,
  73                           struct evsel *evsel, struct aggr_cpu_id id, int nr)
  74 {
  75         switch (config->aggr_mode) {
  76         case AGGR_CORE:
  77                 fprintf(config->output, "S%d-D%d-C%*d%s%*d%s",
  78                         id.socket,
  79                         id.die,
  80                         config->csv_output ? 0 : -8,
  81                         id.core,
  82                         config->csv_sep,
  83                         config->csv_output ? 0 : 4,
  84                         nr,
  85                         config->csv_sep);
  86                 break;
  87         case AGGR_DIE:
  88                 fprintf(config->output, "S%d-D%*d%s%*d%s",
  89                         id.socket,
  90                         config->csv_output ? 0 : -8,
  91                         id.die,
  92                         config->csv_sep,
  93                         config->csv_output ? 0 : 4,
  94                         nr,
  95                         config->csv_sep);
  96                 break;
  97         case AGGR_SOCKET:
  98                 fprintf(config->output, "S%*d%s%*d%s",
  99                         config->csv_output ? 0 : -5,
 100                         id.socket,
 101                         config->csv_sep,
 102                         config->csv_output ? 0 : 4,
 103                         nr,
 104                         config->csv_sep);
 105                         break;
 106         case AGGR_NODE:
 107                 fprintf(config->output, "N%*d%s%*d%s",
 108                         config->csv_output ? 0 : -5,
 109                         id.node,
 110                         config->csv_sep,
 111                         config->csv_output ? 0 : 4,
 112                         nr,
 113                         config->csv_sep);
 114                         break;
 115         case AGGR_NONE:
 116                 if (evsel->percore && !config->percore_show_thread) {
 117                         fprintf(config->output, "S%d-D%d-C%*d%s",
 118                                 id.socket,
 119                                 id.die,
 120                                 config->csv_output ? 0 : -3,
 121                                 id.core, config->csv_sep);
 122                 } else if (id.core > -1) {
 123                         fprintf(config->output, "CPU%*d%s",
 124                                 config->csv_output ? 0 : -7,
 125                                 evsel__cpus(evsel)->map[id.core],
 126                                 config->csv_sep);
 127                 }
 128                 break;
 129         case AGGR_THREAD:
 130                 fprintf(config->output, "%*s-%*d%s",
 131                         config->csv_output ? 0 : 16,
 132                         perf_thread_map__comm(evsel->core.threads, id.thread),
 133                         config->csv_output ? 0 : -8,
 134                         perf_thread_map__pid(evsel->core.threads, id.thread),
 135                         config->csv_sep);
 136                 break;
 137         case AGGR_GLOBAL:
 138         case AGGR_UNSET:
 139         default:
 140                 break;
 141         }
 142 }
 143
 144 struct outstate {
 145         FILE *fh;
 146         bool newline;
 147         const char *prefix;
 148         int  nfields;
 149         int  nr;
 150         struct aggr_cpu_id id;
 151         struct evsel *evsel;
 152 };
 153
 154 #define METRIC_LEN  35
 155
 156 static void new_line_std(struct perf_stat_config *config __maybe_unused,
 157                          void *ctx)
 158 {
 159         struct outstate *os = ctx;
 160
 161         os->newline = true;
 162 }
 163
 164 static void do_new_line_std(struct perf_stat_config *config,
 165                             struct outstate *os)
 166 {
 167         fputc('\n', os->fh);
 168         fputs(os->prefix, os->fh);
 169         aggr_printout(config, os->evsel, os->id, os->nr);
 170         if (config->aggr_mode == AGGR_NONE)
 171                 fprintf(os->fh, "        ");
 172         fprintf(os->fh, "                                                 ");
 173 }
 174
 175 static void print_metric_std(struct perf_stat_config *config,
 176                              void *ctx, const char *color, const char *fmt,
 177                              const char *unit, double val)
 178 {
 179         struct outstate *os = ctx;
 180         FILE *out = os->fh;
 181         int n;
 182         bool newline = os->newline;
 183
 184         os->newline = false;
 185
 186         if (unit == NULL || fmt == NULL) {
 187                 fprintf(out, "%-*s", METRIC_LEN, "");
 188                 return;
 189         }
 190
 191         if (newline)
 192                 do_new_line_std(config, os);
 193
 194         n = fprintf(out, " # ");
 195         if (color)
 196                 n += color_fprintf(out, color, fmt, val);
 197         else
 198                 n += fprintf(out, fmt, val);
 199         fprintf(out, " %-*s", METRIC_LEN - n - 1, unit);
 200 }
 201
 202 static void new_line_csv(struct perf_stat_config *config, void *ctx)
 203 {
 204         struct outstate *os = ctx;
 205         int i;
 206
 207         fputc('\n', os->fh);
 208         if (os->prefix)
 209                 fprintf(os->fh, "%s%s", os->prefix, config->csv_sep);
 210         aggr_printout(config, os->evsel, os->id, os->nr);
 211         for (i = 0; i < os->nfields; i++)
 212                 fputs(config->csv_sep, os->fh);
 213 }
 214
 215 static void print_metric_csv(struct perf_stat_config *config __maybe_unused,
 216                              void *ctx,
 217                              const char *color __maybe_unused,
 218                              const char *fmt, const char *unit, double val)
 219 {
 220         struct outstate *os = ctx;
 221         FILE *out = os->fh;
 222         char buf[64], *vals, *ends;
 223
 224         if (unit == NULL || fmt == NULL) {
 225                 fprintf(out, "%s%s", config->csv_sep, config->csv_sep);
 226                 return;
 227         }
 228         snprintf(buf, sizeof(buf), fmt, val);
 229         ends = vals = skip_spaces(buf);
 230         while (isdigit(*ends) || *ends == '.')
 231                 ends++;
 232         *ends = 0;
 233         fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, skip_spaces(unit));
 234 }
 235
 236 /* Filter out some columns that don't work well in metrics only mode */
 237
 238 static bool valid_only_metric(const char *unit)
 239 {
 240         if (!unit)
 241                 return false;
 242         if (strstr(unit, "/sec") ||
 243             strstr(unit, "CPUs utilized"))
 244                 return false;
 245         return true;
 246 }
 247
 248 static const char *fixunit(char *buf, struct evsel *evsel,
 249                            const char *unit)
 250 {
 251         if (!strncmp(unit, "of all", 6)) {
 252                 snprintf(buf, 1024, "%s %s", evsel__name(evsel),
 253                          unit);
 254                 return buf;
 255         }
 256         return unit;
 257 }
 258
 259 static void print_metric_only(struct perf_stat_config *config,
 260                               void *ctx, const char *color, const char *fmt,
 261                               const char *unit, double val)
 262 {
 263         struct outstate *os = ctx;
 264         FILE *out = os->fh;
 265         char buf[1024], str[1024];
 266         unsigned mlen = config->metric_only_len;
 267
 268         if (!valid_only_metric(unit))
 269                 return;
 270         unit = fixunit(buf, os->evsel, unit);
 271         if (mlen < strlen(unit))
 272                 mlen = strlen(unit) + 1;
 273
 274         if (color)
 275                 mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1;
 276
 277         color_snprintf(str, sizeof(str), color ?: "", fmt, val);
 278         fprintf(out, "%*s ", mlen, str);
 279 }
 280
 281 static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused,
 282                                   void *ctx, const char *color __maybe_unused,
 283                                   const char *fmt,
 284                                   const char *unit, double val)
 285 {
 286         struct outstate *os = ctx;
 287         FILE *out = os->fh;
 288         char buf[64], *vals, *ends;
 289         char tbuf[1024];
 290
 291         if (!valid_only_metric(unit))
 292                 return;
 293         unit = fixunit(tbuf, os->evsel, unit);
 294         snprintf(buf, sizeof buf, fmt, val);
 295         ends = vals = skip_spaces(buf);
 296         while (isdigit(*ends) || *ends == '.')
 297                 ends++;
 298         *ends = 0;
 299         fprintf(out, "%s%s", vals, config->csv_sep);
 300 }
 301
 302 static void new_line_metric(struct perf_stat_config *config __maybe_unused,
 303                             void *ctx __maybe_unused)
 304 {
 305 }
 306
 307 static void print_metric_header(struct perf_stat_config *config,
 308                                 void *ctx, const char *color __maybe_unused,
 309                                 const char *fmt __maybe_unused,
 310                                 const char *unit, double val __maybe_unused)
 311 {
 312         struct outstate *os = ctx;
 313         char tbuf[1024];
 314
 315         /* In case of iostat, print metric header for first root port only */
 316         if (config->iostat_run &&
 317             os->evsel->priv != os->evsel->evlist->selected->priv)
 318                 return;
 319
 320         if (!valid_only_metric(unit))
 321                 return;
 322         unit = fixunit(tbuf, os->evsel, unit);
 323         if (config->csv_output)
 324                 fprintf(os->fh, "%s%s", unit, config->csv_sep);
 325         else
 326                 fprintf(os->fh, "%*s ", config->metric_only_len, unit);
 327 }
 328
 329 static int first_shadow_cpu(struct perf_stat_config *config,
 330                             struct evsel *evsel, struct aggr_cpu_id id)
 331 {
 332         struct evlist *evlist = evsel->evlist;
 333         int i;
 334
 335         if (config->aggr_mode == AGGR_NONE)
 336                 return id.core;
 337
 338         if (!config->aggr_get_id)
 339                 return 0;
 340
 341         for (i = 0; i < evsel__nr_cpus(evsel); i++) {
 342                 int cpu2 = evsel__cpus(evsel)->map[i];
 343
 344                 if (cpu_map__compare_aggr_cpu_id(
 345                                         config->aggr_get_id(config, evlist->core.cpus, cpu2),
 346                                         id)) {
 347                         return cpu2;
 348                 }
 349         }
 350         return 0;
 351 }
 352
 353 static void abs_printout(struct perf_stat_config *config,
 354                          struct aggr_cpu_id id, int nr, struct evsel *evsel, double avg)
 355 {
 356         FILE *output = config->output;
 357         double sc =  evsel->scale;
 358         const char *fmt;
 359
 360         if (config->csv_output) {
 361                 fmt = floor(sc) != sc ?  "%.2f%s" : "%.0f%s";
 362         } else {
 363                 if (config->big_num)
 364                         fmt = floor(sc) != sc ? "%'18.2f%s" : "%'18.0f%s";
 365                 else
 366                         fmt = floor(sc) != sc ? "%18.2f%s" : "%18.0f%s";
 367         }
 368
 369         aggr_printout(config, evsel, id, nr);
 370
 371         fprintf(output, fmt, avg, config->csv_sep);
 372
 373         if (evsel->unit)
 374                 fprintf(output, "%-*s%s",
 375                         config->csv_output ? 0 : config->unit_width,
 376                         evsel->unit, config->csv_sep);
 377
 378         fprintf(output, "%-*s", config->csv_output ? 0 : 25, evsel__name(evsel));
 379
 380         print_cgroup(config, evsel);
 381 }
 382
 383 static bool is_mixed_hw_group(struct evsel *counter)
 384 {
 385         struct evlist *evlist = counter->evlist;
 386         u32 pmu_type = counter->core.attr.type;
 387         struct evsel *pos;
 388
 389         if (counter->core.nr_members < 2)
 390                 return false;
 391
 392         evlist__for_each_entry(evlist, pos) {
 393                 /* software events can be part of any hardware group */
 394                 if (pos->core.attr.type == PERF_TYPE_SOFTWARE)
 395                         continue;
 396                 if (pmu_type == PERF_TYPE_SOFTWARE) {
 397                         pmu_type = pos->core.attr.type;
 398                         continue;
 399                 }
 400                 if (pmu_type != pos->core.attr.type)
 401                         return true;
 402         }
 403
 404         return false;
 405 }
 406
 407 static void printout(struct perf_stat_config *config, struct aggr_cpu_id id, int nr,
 408                      struct evsel *counter, double uval,
 409                      char *prefix, u64 run, u64 ena, double noise,
 410                      struct runtime_stat *st)
 411 {
 412         struct perf_stat_output_ctx out;
 413         struct outstate os = {
 414                 .fh = config->output,
 415                 .prefix = prefix ? prefix : "",
 416                 .id = id,
 417                 .nr = nr,
 418                 .evsel = counter,
 419         };
 420         print_metric_t pm = print_metric_std;
 421         new_line_t nl;
 422
 423         if (config->metric_only) {
 424                 nl = new_line_metric;
 425                 if (config->csv_output)
 426                         pm = print_metric_only_csv;
 427                 else
 428                         pm = print_metric_only;
 429         } else
 430                 nl = new_line_std;
 431
 432         if (config->csv_output && !config->metric_only) {
 433                 static int aggr_fields[] = {
 434                         [AGGR_GLOBAL] = 0,
 435                         [AGGR_THREAD] = 1,
 436                         [AGGR_NONE] = 1,
 437                         [AGGR_SOCKET] = 2,
 438                         [AGGR_DIE] = 2,
 439                         [AGGR_CORE] = 2,
 440                 };
 441
 442                 pm = print_metric_csv;
 443                 nl = new_line_csv;
 444                 os.nfields = 3;
 445                 os.nfields += aggr_fields[config->aggr_mode];
 446                 if (counter->cgrp)
 447                         os.nfields++;
 448         }
 449
 450         if (!config->no_csv_summary && config->csv_output &&
 451             config->summary && !config->interval) {
 452                 fprintf(config->output, "%16s%s", "summary", config->csv_sep);
 453         }
 454
 455         if (run == 0 || ena == 0 || counter->counts->scaled == -1) {
 456                 if (config->metric_only) {
 457                         pm(config, &os, NULL, "", "", 0);
 458                         return;
 459                 }
 460                 aggr_printout(config, counter, id, nr);
 461
 462                 fprintf(config->output, "%*s%s",
 463                         config->csv_output ? 0 : 18,
 464                         counter->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED,
 465                         config->csv_sep);
 466
 467                 if (counter->supported) {
 468                         config->print_free_counters_hint = 1;
 469                         if (is_mixed_hw_group(counter))
 470                                 config->print_mixed_hw_group_error = 1;
 471                 }
 472
 473                 fprintf(config->output, "%-*s%s",
 474                         config->csv_output ? 0 : config->unit_width,
 475                         counter->unit, config->csv_sep);
 476
 477                 fprintf(config->output, "%*s",
 478                         config->csv_output ? 0 : -25, evsel__name(counter));
 479
 480                 print_cgroup(config, counter);
 481
 482                 if (!config->csv_output)
 483                         pm(config, &os, NULL, NULL, "", 0);
 484                 print_noise(config, counter, noise);
 485                 print_running(config, run, ena);
 486                 if (config->csv_output)
 487                         pm(config, &os, NULL, NULL, "", 0);
 488                 return;
 489         }
 490
 491         if (!config->metric_only)
 492                 abs_printout(config, id, nr, counter, uval);
 493
 494         out.print_metric = pm;
 495         out.new_line = nl;
 496         out.ctx = &os;
 497         out.force_header = false;
 498
 499         if (config->csv_output && !config->metric_only) {
 500                 print_noise(config, counter, noise);
 501                 print_running(config, run, ena);
 502         }
 503
 504         perf_stat__print_shadow_stats(config, counter, uval,
 505                                 first_shadow_cpu(config, counter, id),
 506                                 &out, &config->metric_events, st);
 507         if (!config->csv_output && !config->metric_only) {
 508                 print_noise(config, counter, noise);
 509                 print_running(config, run, ena);
 510         }
 511 }
 512
 513 static void aggr_update_shadow(struct perf_stat_config *config,
 514                                struct evlist *evlist)
 515 {
 516         int cpu, s;
 517         struct aggr_cpu_id s2, id;
 518         u64 val;
 519         struct evsel *counter;
 520
 521         for (s = 0; s < config->aggr_map->nr; s++) {
 522                 id = config->aggr_map->map[s];
 523                 evlist__for_each_entry(evlist, counter) {
 524                         val = 0;
 525                         for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) {
 526                                 s2 = config->aggr_get_id(config, evlist->core.cpus, cpu);
 527                                 if (!cpu_map__compare_aggr_cpu_id(s2, id))
 528                                         continue;
 529                                 val += perf_counts(counter->counts, cpu, 0)->val;
 530                         }
 531                         perf_stat__update_shadow_stats(counter, val,
 532                                         first_shadow_cpu(config, counter, id),
 533                                         &rt_stat);
 534                 }
 535         }
 536 }
 537
 538 static void uniquify_event_name(struct evsel *counter)
 539 {
 540         char *new_name;
 541         char *config;
 542         int ret = 0;
 543
 544         if (counter->uniquified_name || counter->use_config_name ||
 545             !counter->pmu_name || !strncmp(counter->name, counter->pmu_name,
 546                                            strlen(counter->pmu_name)))
 547                 return;
 548
 549         config = strchr(counter->name, '/');
 550         if (config) {
 551                 if (asprintf(&new_name,
 552                              "%s%s", counter->pmu_name, config) > 0) {
 553                         free(counter->name);
 554                         counter->name = new_name;
 555                 }
 556         } else {
 557                 if (perf_pmu__has_hybrid()) {
 558                         ret = asprintf(&new_name, "%s/%s/",
 559                                        counter->pmu_name, counter->name);
 560                 } else {
 561                         ret = asprintf(&new_name, "%s [%s]",
 562                                        counter->name, counter->pmu_name);
 563                 }
 564
 565                 if (ret) {
 566                         free(counter->name);
 567                         counter->name = new_name;
 568                 }
 569         }
 570
 571         counter->uniquified_name = true;
 572 }
 573
 574 static void collect_all_aliases(struct perf_stat_config *config, struct evsel *counter,
 575                             void (*cb)(struct perf_stat_config *config, struct evsel *counter, void *data,
 576                                        bool first),
 577                             void *data)
 578 {
 579         struct evlist *evlist = counter->evlist;
 580         struct evsel *alias;
 581
 582         alias = list_prepare_entry(counter, &(evlist->core.entries), core.node);
 583         list_for_each_entry_continue (alias, &evlist->core.entries, core.node) {
 584                 if (strcmp(evsel__name(alias), evsel__name(counter)) ||
 585                     alias->scale != counter->scale ||
 586                     alias->cgrp != counter->cgrp ||
 587                     strcmp(alias->unit, counter->unit) ||
 588                     evsel__is_clock(alias) != evsel__is_clock(counter) ||
 589                     !strcmp(alias->pmu_name, counter->pmu_name))
 590                         break;
 591                 alias->merged_stat = true;
 592                 cb(config, alias, data, false);
 593         }
 594 }
 595
 596 static bool collect_data(struct perf_stat_config *config, struct evsel *counter,
 597                             void (*cb)(struct perf_stat_config *config, struct evsel *counter, void *data,
 598                                        bool first),
 599                             void *data)
 600 {
 601         if (counter->merged_stat)
 602                 return false;
 603         cb(config, counter, data, true);
 604         if (config->no_merge)
 605                 uniquify_event_name(counter);
 606         else if (counter->auto_merge_stats)
 607                 collect_all_aliases(config, counter, cb, data);
 608         return true;
 609 }
 610
 611 struct aggr_data {
 612         u64 ena, run, val;
 613         struct aggr_cpu_id id;
 614         int nr;
 615         int cpu;
 616 };
 617
 618 static void aggr_cb(struct perf_stat_config *config,
 619                     struct evsel *counter, void *data, bool first)
 620 {
 621         struct aggr_data *ad = data;
 622         int cpu;
 623         struct aggr_cpu_id s2;
 624
 625         for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) {
 626                 struct perf_counts_values *counts;
 627
 628                 s2 = config->aggr_get_id(config, evsel__cpus(counter), cpu);
 629                 if (!cpu_map__compare_aggr_cpu_id(s2, ad->id))
 630                         continue;
 631                 if (first)
 632                         ad->nr++;
 633                 counts = perf_counts(counter->counts, cpu, 0);
 634                 /*
 635                  * When any result is bad, make them all to give
 636                  * consistent output in interval mode.
 637                  */
 638                 if (counts->ena == 0 || counts->run == 0 ||
 639                     counter->counts->scaled == -1) {
 640                         ad->ena = 0;
 641                         ad->run = 0;
 642                         break;
 643                 }
 644                 ad->val += counts->val;
 645                 ad->ena += counts->ena;
 646                 ad->run += counts->run;
 647         }
 648 }
 649
 650 static void print_counter_aggrdata(struct perf_stat_config *config,
 651                                    struct evsel *counter, int s,
 652                                    char *prefix, bool metric_only,
 653                                    bool *first, int cpu)
 654 {
 655         struct aggr_data ad;
 656         FILE *output = config->output;
 657         u64 ena, run, val;
 658         int nr;
 659         struct aggr_cpu_id id;
 660         double uval;
 661
 662         ad.id = id = config->aggr_map->map[s];
 663         ad.val = ad.ena = ad.run = 0;
 664         ad.nr = 0;
 665         if (!collect_data(config, counter, aggr_cb, &ad))
 666                 return;
 667
 668         if (perf_pmu__has_hybrid() && ad.ena == 0)
 669                 return;
 670
 671         nr = ad.nr;
 672         ena = ad.ena;
 673         run = ad.run;
 674         val = ad.val;
 675         if (*first && metric_only) {
 676                 *first = false;
 677                 aggr_printout(config, counter, id, nr);
 678         }
 679         if (prefix && !metric_only)
 680                 fprintf(output, "%s", prefix);
 681
 682         uval = val * counter->scale;
 683         if (cpu != -1) {
 684                 id = cpu_map__empty_aggr_cpu_id();
 685                 id.core = cpu;
 686         }
 687         printout(config, id, nr, counter, uval,
 688                  prefix, run, ena, 1.0, &rt_stat);
 689         if (!metric_only)
 690                 fputc('\n', output);
 691 }
 692
 693 static void print_aggr(struct perf_stat_config *config,
 694                        struct evlist *evlist,
 695                        char *prefix)
 696 {
 697         bool metric_only = config->metric_only;
 698         FILE *output = config->output;
 699         struct evsel *counter;
 700         int s;
 701         bool first;
 702
 703         if (!config->aggr_map || !config->aggr_get_id)
 704                 return;
 705
 706         aggr_update_shadow(config, evlist);
 707
 708         /*
 709          * With metric_only everything is on a single line.
 710          * Without each counter has its own line.
 711          */
 712         for (s = 0; s < config->aggr_map->nr; s++) {
 713                 if (prefix && metric_only)
 714                         fprintf(output, "%s", prefix);
 715
 716                 first = true;
 717                 evlist__for_each_entry(evlist, counter) {
 718                         print_counter_aggrdata(config, counter, s,
 719                                                prefix, metric_only,
 720                                                &first, -1);
 721                 }
 722                 if (metric_only)
 723                         fputc('\n', output);
 724         }
 725 }
 726
 727 static int cmp_val(const void *a, const void *b)
 728 {
 729         return ((struct perf_aggr_thread_value *)b)->val -
 730                 ((struct perf_aggr_thread_value *)a)->val;
 731 }
 732
 733 static struct perf_aggr_thread_value *sort_aggr_thread(
 734                                         struct evsel *counter,
 735                                         int nthreads, int ncpus,
 736                                         int *ret,
 737                                         struct target *_target)
 738 {
 739         int cpu, thread, i = 0;
 740         double uval;
 741         struct perf_aggr_thread_value *buf;
 742
 743         buf = calloc(nthreads, sizeof(struct perf_aggr_thread_value));
 744         if (!buf)
 745                 return NULL;
 746
 747         for (thread = 0; thread < nthreads; thread++) {
 748                 u64 ena = 0, run = 0, val = 0;
 749
 750                 for (cpu = 0; cpu < ncpus; cpu++) {
 751                         val += perf_counts(counter->counts, cpu, thread)->val;
 752                         ena += perf_counts(counter->counts, cpu, thread)->ena;
 753                         run += perf_counts(counter->counts, cpu, thread)->run;
 754                 }
 755
 756                 uval = val * counter->scale;
 757
 758                 /*
 759                  * Skip value 0 when enabling --per-thread globally,
 760                  * otherwise too many 0 output.
 761                  */
 762                 if (uval == 0.0 && target__has_per_thread(_target))
 763                         continue;
 764
 765                 buf[i].counter = counter;
 766                 buf[i].id = cpu_map__empty_aggr_cpu_id();
 767                 buf[i].id.thread = thread;
 768                 buf[i].uval = uval;
 769                 buf[i].val = val;
 770                 buf[i].run = run;
 771                 buf[i].ena = ena;
 772                 i++;
 773         }
 774
 775         qsort(buf, i, sizeof(struct perf_aggr_thread_value), cmp_val);
 776
 777         if (ret)
 778                 *ret = i;
 779
 780         return buf;
 781 }
 782
 783 static void print_aggr_thread(struct perf_stat_config *config,
 784                               struct target *_target,
 785                               struct evsel *counter, char *prefix)
 786 {
 787         FILE *output = config->output;
 788         int nthreads = perf_thread_map__nr(counter->core.threads);
 789         int ncpus = perf_cpu_map__nr(counter->core.cpus);
 790         int thread, sorted_threads;
 791         struct aggr_cpu_id id;
 792         struct perf_aggr_thread_value *buf;
 793
 794         buf = sort_aggr_thread(counter, nthreads, ncpus, &sorted_threads, _target);
 795         if (!buf) {
 796                 perror("cannot sort aggr thread");
 797                 return;
 798         }
 799
 800         for (thread = 0; thread < sorted_threads; thread++) {
 801                 if (prefix)
 802                         fprintf(output, "%s", prefix);
 803
 804                 id = buf[thread].id;
 805                 if (config->stats)
 806                         printout(config, id, 0, buf[thread].counter, buf[thread].uval,
 807                                  prefix, buf[thread].run, buf[thread].ena, 1.0,
 808                                  &config->stats[id.thread]);
 809                 else
 810                         printout(config, id, 0, buf[thread].counter, buf[thread].uval,
 811                                  prefix, buf[thread].run, buf[thread].ena, 1.0,
 812                                  &rt_stat);
 813                 fputc('\n', output);
 814         }
 815
 816         free(buf);
 817 }
 818
 819 struct caggr_data {
 820         double avg, avg_enabled, avg_running;
 821 };
 822
 823 static void counter_aggr_cb(struct perf_stat_config *config __maybe_unused,
 824                             struct evsel *counter, void *data,
 825                             bool first __maybe_unused)
 826 {
 827         struct caggr_data *cd = data;
 828         struct perf_stat_evsel *ps = counter->stats;
 829
 830         cd->avg += avg_stats(&ps->res_stats[0]);
 831         cd->avg_enabled += avg_stats(&ps->res_stats[1]);
 832         cd->avg_running += avg_stats(&ps->res_stats[2]);
 833 }
 834
 835 /*
 836  * Print out the results of a single counter:
 837  * aggregated counts in system-wide mode
 838  */
 839 static void print_counter_aggr(struct perf_stat_config *config,
 840                                struct evsel *counter, char *prefix)
 841 {
 842         bool metric_only = config->metric_only;
 843         FILE *output = config->output;
 844         double uval;
 845         struct caggr_data cd = { .avg = 0.0 };
 846
 847         if (!collect_data(config, counter, counter_aggr_cb, &cd))
 848                 return;
 849
 850         if (prefix && !metric_only)
 851                 fprintf(output, "%s", prefix);
 852
 853         uval = cd.avg * counter->scale;
 854         printout(config, cpu_map__empty_aggr_cpu_id(), 0, counter, uval, prefix, cd.avg_running,
 855                  cd.avg_enabled, cd.avg, &rt_stat);
 856         if (!metric_only)
 857                 fprintf(output, "\n");
 858 }
 859
 860 static void counter_cb(struct perf_stat_config *config __maybe_unused,
 861                        struct evsel *counter, void *data,
 862                        bool first __maybe_unused)
 863 {
 864         struct aggr_data *ad = data;
 865
 866         ad->val += perf_counts(counter->counts, ad->cpu, 0)->val;
 867         ad->ena += perf_counts(counter->counts, ad->cpu, 0)->ena;
 868         ad->run += perf_counts(counter->counts, ad->cpu, 0)->run;
 869 }
 870
 871 /*
 872  * Print out the results of a single counter:
 873  * does not use aggregated count in system-wide
 874  */
 875 static void print_counter(struct perf_stat_config *config,
 876                           struct evsel *counter, char *prefix)
 877 {
 878         FILE *output = config->output;
 879         u64 ena, run, val;
 880         double uval;
 881         int cpu;
 882         struct aggr_cpu_id id;
 883
 884         for (cpu = 0; cpu < evsel__nr_cpus(counter); cpu++) {
 885                 struct aggr_data ad = { .cpu = cpu };
 886
 887                 if (!collect_data(config, counter, counter_cb, &ad))
 888                         return;
 889                 val = ad.val;
 890                 ena = ad.ena;
 891                 run = ad.run;
 892
 893                 if (prefix)
 894                         fprintf(output, "%s", prefix);
 895
 896                 uval = val * counter->scale;
 897                 id = cpu_map__empty_aggr_cpu_id();
 898                 id.core = cpu;
 899                 printout(config, id, 0, counter, uval, prefix,
 900                          run, ena, 1.0, &rt_stat);
 901
 902                 fputc('\n', output);
 903         }
 904 }
 905
 906 static void print_no_aggr_metric(struct perf_stat_config *config,
 907                                  struct evlist *evlist,
 908                                  char *prefix)
 909 {
 910         int cpu;
 911         int nrcpus = 0;
 912         struct evsel *counter;
 913         u64 ena, run, val;
 914         double uval;
 915         struct aggr_cpu_id id;
 916
 917         nrcpus = evlist->core.cpus->nr;
 918         for (cpu = 0; cpu < nrcpus; cpu++) {
 919                 bool first = true;
 920
 921                 if (prefix)
 922                         fputs(prefix, config->output);
 923                 evlist__for_each_entry(evlist, counter) {
 924                         id = cpu_map__empty_aggr_cpu_id();
 925                         id.core = cpu;
 926                         if (first) {
 927                                 aggr_printout(config, counter, id, 0);
 928                                 first = false;
 929                         }
 930                         val = perf_counts(counter->counts, cpu, 0)->val;
 931                         ena = perf_counts(counter->counts, cpu, 0)->ena;
 932                         run = perf_counts(counter->counts, cpu, 0)->run;
 933
 934                         uval = val * counter->scale;
 935                         printout(config, id, 0, counter, uval, prefix,
 936                                  run, ena, 1.0, &rt_stat);
 937                 }
 938                 fputc('\n', config->output);
 939         }
 940 }
 941
 942 static int aggr_header_lens[] = {
 943         [AGGR_CORE] = 24,
 944         [AGGR_DIE] = 18,
 945         [AGGR_SOCKET] = 12,
 946         [AGGR_NONE] = 6,
 947         [AGGR_THREAD] = 24,
 948         [AGGR_GLOBAL] = 0,
 949 };
 950
 951 static const char *aggr_header_csv[] = {
 952         [AGGR_CORE]     =       "core,cpus,",
 953         [AGGR_DIE]      =       "die,cpus",
 954         [AGGR_SOCKET]   =       "socket,cpus",
 955         [AGGR_NONE]     =       "cpu,",
 956         [AGGR_THREAD]   =       "comm-pid,",
 957         [AGGR_GLOBAL]   =       ""
 958 };
 959
 960 static void print_metric_headers(struct perf_stat_config *config,
 961                                  struct evlist *evlist,
 962                                  const char *prefix, bool no_indent)
 963 {
 964         struct perf_stat_output_ctx out;
 965         struct evsel *counter;
 966         struct outstate os = {
 967                 .fh = config->output
 968         };
 969
 970         if (prefix)
 971                 fprintf(config->output, "%s", prefix);
 972
 973         if (!config->csv_output && !no_indent)
 974                 fprintf(config->output, "%*s",
 975                         aggr_header_lens[config->aggr_mode], "");
 976         if (config->csv_output) {
 977                 if (config->interval)
 978                         fputs("time,", config->output);
 979                 if (!config->iostat_run)
 980                         fputs(aggr_header_csv[config->aggr_mode], config->output);
 981         }
 982         if (config->iostat_run)
 983                 iostat_print_header_prefix(config);
 984
 985         /* Print metrics headers only */
 986         evlist__for_each_entry(evlist, counter) {
 987                 os.evsel = counter;
 988                 out.ctx = &os;
 989                 out.print_metric = print_metric_header;
 990                 out.new_line = new_line_metric;
 991                 out.force_header = true;
 992                 perf_stat__print_shadow_stats(config, counter, 0,
 993                                               0,
 994                                               &out,
 995                                               &config->metric_events,
 996                                               &rt_stat);
 997         }
 998         fputc('\n', config->output);
 999 }
1000
1001 static void print_interval(struct perf_stat_config *config,
1002                            struct evlist *evlist,
1003                            char *prefix, struct timespec *ts)
1004 {
1005         bool metric_only = config->metric_only;
1006         unsigned int unit_width = config->unit_width;
1007         FILE *output = config->output;
1008         static int num_print_interval;
1009
1010         if (config->interval_clear)
1011                 puts(CONSOLE_CLEAR);
1012
1013         if (!config->iostat_run)
1014                 sprintf(prefix, "%6lu.%09lu%s", (unsigned long) ts->tv_sec, ts->tv_nsec, config->csv_sep);
1015
1016         if ((num_print_interval == 0 && !config->csv_output) || config->interval_clear) {
1017                 switch (config->aggr_mode) {
1018                 case AGGR_NODE:
1019                         fprintf(output, "#           time node   cpus");
1020                         if (!metric_only)
1021                                 fprintf(output, "             counts %*s events\n", unit_width, "unit");
1022                         break;
1023                 case AGGR_SOCKET:
1024                         fprintf(output, "#           time socket cpus");
1025                         if (!metric_only)
1026                                 fprintf(output, "             counts %*s events\n", unit_width, "unit");
1027                         break;
1028                 case AGGR_DIE:
1029                         fprintf(output, "#           time die          cpus");
1030                         if (!metric_only)
1031                                 fprintf(output, "             counts %*s events\n", unit_width, "unit");
1032                         break;
1033                 case AGGR_CORE:
1034                         fprintf(output, "#           time core            cpus");
1035                         if (!metric_only)
1036                                 fprintf(output, "             counts %*s events\n", unit_width, "unit");
1037                         break;
1038                 case AGGR_NONE:
1039                         fprintf(output, "#           time CPU    ");
1040                         if (!metric_only)
1041                                 fprintf(output, "                counts %*s events\n", unit_width, "unit");
1042                         break;
1043                 case AGGR_THREAD:
1044                         fprintf(output, "#           time             comm-pid");
1045                         if (!metric_only)
1046                                 fprintf(output, "                  counts %*s events\n", unit_width, "unit");
1047                         break;
1048                 case AGGR_GLOBAL:
1049                 default:
1050                         if (!config->iostat_run) {
1051                                 fprintf(output, "#           time");
1052                                 if (!metric_only)
1053                                         fprintf(output, "             counts %*s events\n", unit_width, "unit");
1054                         }
1055                 case AGGR_UNSET:
1056                         break;
1057                 }
1058         }
1059
1060         if ((num_print_interval == 0 || config->interval_clear) && metric_only)
1061                 print_metric_headers(config, evlist, " ", true);
1062         if (++num_print_interval == 25)
1063                 num_print_interval = 0;
1064 }
1065
1066 static void print_header(struct perf_stat_config *config,
1067                          struct target *_target,
1068                          int argc, const char **argv)
1069 {
1070         FILE *output = config->output;
1071         int i;
1072
1073         fflush(stdout);
1074
1075         if (!config->csv_output) {
1076                 fprintf(output, "\n");
1077                 fprintf(output, " Performance counter stats for ");
1078                 if (_target->bpf_str)
1079                         fprintf(output, "\'BPF program(s) %s", _target->bpf_str);
1080                 else if (_target->system_wide)
1081                         fprintf(output, "\'system wide");
1082                 else if (_target->cpu_list)
1083                         fprintf(output, "\'CPU(s) %s", _target->cpu_list);
1084                 else if (!target__has_task(_target)) {
1085                         fprintf(output, "\'%s", argv ? argv[0] : "pipe");
1086                         for (i = 1; argv && (i < argc); i++)
1087                                 fprintf(output, " %s", argv[i]);
1088                 } else if (_target->pid)
1089                         fprintf(output, "process id \'%s", _target->pid);
1090                 else
1091                         fprintf(output, "thread id \'%s", _target->tid);
1092
1093                 fprintf(output, "\'");
1094                 if (config->run_count > 1)
1095                         fprintf(output, " (%d runs)", config->run_count);
1096                 fprintf(output, ":\n\n");
1097         }
1098 }
1099
1100 static int get_precision(double num)
1101 {
1102         if (num > 1)
1103                 return 0;
1104
1105         return lround(ceil(-log10(num)));
1106 }
1107
1108 static void print_table(struct perf_stat_config *config,
1109                         FILE *output, int precision, double avg)
1110 {
1111         char tmp[64];
1112         int idx, indent = 0;
1113
1114         scnprintf(tmp, 64, " %17.*f", precision, avg);
1115         while (tmp[indent] == ' ')
1116                 indent++;
1117
1118         fprintf(output, "%*s# Table of individual measurements:\n", indent, "");
1119
1120         for (idx = 0; idx < config->run_count; idx++) {
1121                 double run = (double) config->walltime_run[idx] / NSEC_PER_SEC;
1122                 int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5);
1123
1124                 fprintf(output, " %17.*f (%+.*f) ",
1125                         precision, run, precision, run - avg);
1126
1127                 for (h = 0; h < n; h++)
1128                         fprintf(output, "#");
1129
1130                 fprintf(output, "\n");
1131         }
1132
1133         fprintf(output, "\n%*s# Final result:\n", indent, "");
1134 }
1135
1136 static double timeval2double(struct timeval *t)
1137 {
1138         return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC;
1139 }
1140
1141 static void print_footer(struct perf_stat_config *config)
1142 {
1143         double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
1144         FILE *output = config->output;
1145
1146         if (!config->null_run)
1147                 fprintf(output, "\n");
1148
1149         if (config->run_count == 1) {
1150                 fprintf(output, " %17.9f seconds time elapsed", avg);
1151
1152                 if (config->ru_display) {
1153                         double ru_utime = timeval2double(&config->ru_data.ru_utime);
1154                         double ru_stime = timeval2double(&config->ru_data.ru_stime);
1155
1156                         fprintf(output, "\n\n");
1157                         fprintf(output, " %17.9f seconds user\n", ru_utime);
1158                         fprintf(output, " %17.9f seconds sys\n", ru_stime);
1159                 }
1160         } else {
1161                 double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC;
1162                 /*
1163                  * Display at most 2 more significant
1164                  * digits than the stddev inaccuracy.
1165                  */
1166                 int precision = get_precision(sd) + 2;
1167
1168                 if (config->walltime_run_table)
1169                         print_table(config, output, precision, avg);
1170
1171                 fprintf(output, " %17.*f +- %.*f seconds time elapsed",
1172                         precision, avg, precision, sd);
1173
1174                 print_noise_pct(config, sd, avg);
1175         }
1176         fprintf(output, "\n\n");
1177
1178         if (config->print_free_counters_hint && sysctl__nmi_watchdog_enabled())
1179                 fprintf(output,
1180 "Some events weren't counted. Try disabling the NMI watchdog:\n"
1181 "       echo 0 > /proc/sys/kernel/nmi_watchdog\n"
1182 "       perf stat ...\n"
1183 "       echo 1 > /proc/sys/kernel/nmi_watchdog\n");
1184
1185         if (config->print_mixed_hw_group_error)
1186                 fprintf(output,
1187                         "The events in group usually have to be from "
1188                         "the same PMU. Try reorganizing the group.\n");
1189 }
1190
1191 static void print_percore_thread(struct perf_stat_config *config,
1192                                  struct evsel *counter, char *prefix)
1193 {
1194         int s;
1195         struct aggr_cpu_id s2, id;
1196         bool first = true;
1197
1198         for (int i = 0; i < evsel__nr_cpus(counter); i++) {
1199                 s2 = config->aggr_get_id(config, evsel__cpus(counter), i);
1200                 for (s = 0; s < config->aggr_map->nr; s++) {
1201                         id = config->aggr_map->map[s];
1202                         if (cpu_map__compare_aggr_cpu_id(s2, id))
1203                                 break;
1204                 }
1205
1206                 print_counter_aggrdata(config, counter, s,
1207                                        prefix, false,
1208                                        &first, i);
1209         }
1210 }
1211
1212 static void print_percore(struct perf_stat_config *config,
1213                           struct evsel *counter, char *prefix)
1214 {
1215         bool metric_only = config->metric_only;
1216         FILE *output = config->output;
1217         int s;
1218         bool first = true;
1219
1220         if (!config->aggr_map || !config->aggr_get_id)
1221                 return;
1222
1223         if (config->percore_show_thread)
1224                 return print_percore_thread(config, counter, prefix);
1225
1226         for (s = 0; s < config->aggr_map->nr; s++) {
1227                 if (prefix && metric_only)
1228                         fprintf(output, "%s", prefix);
1229
1230                 print_counter_aggrdata(config, counter, s,
1231                                        prefix, metric_only,
1232                                        &first, -1);
1233         }
1234
1235         if (metric_only)
1236                 fputc('\n', output);
1237 }
1238
1239 void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config,
1240                             struct target *_target, struct timespec *ts, int argc, const char **argv)
1241 {
1242         bool metric_only = config->metric_only;
1243         int interval = config->interval;
1244         struct evsel *counter;
1245         char buf[64], *prefix = NULL;
1246
1247         if (config->iostat_run)
1248                 evlist->selected = evlist__first(evlist);
1249
1250         if (interval)
1251                 print_interval(config, evlist, prefix = buf, ts);
1252         else
1253                 print_header(config, _target, argc, argv);
1254
1255         if (metric_only) {
1256                 static int num_print_iv;
1257
1258                 if (num_print_iv == 0 && !interval)
1259                         print_metric_headers(config, evlist, prefix, false);
1260                 if (num_print_iv++ == 25)
1261                         num_print_iv = 0;
1262                 if (config->aggr_mode == AGGR_GLOBAL && prefix && !config->iostat_run)
1263                         fprintf(config->output, "%s", prefix);
1264         }
1265
1266         switch (config->aggr_mode) {
1267         case AGGR_CORE:
1268         case AGGR_DIE:
1269         case AGGR_SOCKET:
1270         case AGGR_NODE:
1271                 print_aggr(config, evlist, prefix);
1272                 break;
1273         case AGGR_THREAD:
1274                 evlist__for_each_entry(evlist, counter) {
1275                         print_aggr_thread(config, _target, counter, prefix);
1276                 }
1277                 break;
1278         case AGGR_GLOBAL:
1279                 if (config->iostat_run)
1280                         iostat_print_counters(evlist, config, ts, prefix = buf,
1281                                               print_counter_aggr);
1282                 else {
1283                         evlist__for_each_entry(evlist, counter) {
1284                                 print_counter_aggr(config, counter, prefix);
1285                         }
1286                         if (metric_only)
1287                                 fputc('\n', config->output);
1288                 }
1289                 break;
1290         case AGGR_NONE:
1291                 if (metric_only)
1292                         print_no_aggr_metric(config, evlist, prefix);
1293                 else {
1294                         evlist__for_each_entry(evlist, counter) {
1295                                 if (counter->percore)
1296                                         print_percore(config, counter, prefix);
1297                                 else
1298                                         print_counter(config, counter, prefix);
1299                         }
1300                 }
1301                 break;
1302         case AGGR_UNSET:
1303         default:
1304                 break;
1305         }
1306
1307         if (!interval && !config->csv_output)
1308                 print_footer(config);
1309
1310         fflush(config->output);
1311 }