tools/perf/util/stat-shadow.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <math.h>
   3 #include <stdio.h>
   4 #include "evsel.h"
   5 #include "stat.h"
   6 #include "color.h"
   7 #include "debug.h"
   8 #include "pmu.h"
   9 #include "rblist.h"
  10 #include "evlist.h"
  11 #include "expr.h"
  12 #include "metricgroup.h"
  13 #include "cgroup.h"
  14 #include "units.h"
  15 #include <linux/zalloc.h>
  16 #include "iostat.h"
  17 #include "util/hashmap.h"
  18
  19 struct stats walltime_nsecs_stats;
  20 struct rusage_stats ru_stats;
  21
  22 enum {
  23         CTX_BIT_USER    = 1 << 0,
  24         CTX_BIT_KERNEL  = 1 << 1,
  25         CTX_BIT_HV      = 1 << 2,
  26         CTX_BIT_HOST    = 1 << 3,
  27         CTX_BIT_IDLE    = 1 << 4,
  28         CTX_BIT_MAX     = 1 << 5,
  29 };
  30
  31 enum stat_type {
  32         STAT_NONE = 0,
  33         STAT_NSECS,
  34         STAT_CYCLES,
  35         STAT_INSTRUCTIONS,
  36         STAT_STALLED_CYCLES_FRONT,
  37         STAT_STALLED_CYCLES_BACK,
  38         STAT_BRANCHES,
  39         STAT_BRANCH_MISS,
  40         STAT_CACHE_REFS,
  41         STAT_CACHE_MISSES,
  42         STAT_L1_DCACHE,
  43         STAT_L1_ICACHE,
  44         STAT_LL_CACHE,
  45         STAT_ITLB_CACHE,
  46         STAT_DTLB_CACHE,
  47         STAT_L1D_MISS,
  48         STAT_L1I_MISS,
  49         STAT_LL_MISS,
  50         STAT_DTLB_MISS,
  51         STAT_ITLB_MISS,
  52         STAT_MAX
  53 };
  54
  55 static int evsel_context(const struct evsel *evsel)
  56 {
  57         int ctx = 0;
  58
  59         if (evsel->core.attr.exclude_kernel)
  60                 ctx |= CTX_BIT_KERNEL;
  61         if (evsel->core.attr.exclude_user)
  62                 ctx |= CTX_BIT_USER;
  63         if (evsel->core.attr.exclude_hv)
  64                 ctx |= CTX_BIT_HV;
  65         if (evsel->core.attr.exclude_host)
  66                 ctx |= CTX_BIT_HOST;
  67         if (evsel->core.attr.exclude_idle)
  68                 ctx |= CTX_BIT_IDLE;
  69
  70         return ctx;
  71 }
  72
  73 void perf_stat__reset_shadow_stats(void)
  74 {
  75         memset(&walltime_nsecs_stats, 0, sizeof(walltime_nsecs_stats));
  76         memset(&ru_stats, 0, sizeof(ru_stats));
  77 }
  78
  79 static enum stat_type evsel__stat_type(const struct evsel *evsel)
  80 {
  81         /* Fake perf_hw_cache_op_id values for use with evsel__match. */
  82         u64 PERF_COUNT_hw_cache_l1d_miss = PERF_COUNT_HW_CACHE_L1D |
  83                 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
  84                 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
  85         u64 PERF_COUNT_hw_cache_l1i_miss = PERF_COUNT_HW_CACHE_L1I |
  86                 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
  87                 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
  88         u64 PERF_COUNT_hw_cache_ll_miss = PERF_COUNT_HW_CACHE_LL |
  89                 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
  90                 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
  91         u64 PERF_COUNT_hw_cache_dtlb_miss = PERF_COUNT_HW_CACHE_DTLB |
  92                 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
  93                 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
  94         u64 PERF_COUNT_hw_cache_itlb_miss = PERF_COUNT_HW_CACHE_ITLB |
  95                 ((PERF_COUNT_HW_CACHE_OP_READ) << 8) |
  96                 ((PERF_COUNT_HW_CACHE_RESULT_MISS) << 16);
  97
  98         if (evsel__is_clock(evsel))
  99                 return STAT_NSECS;
 100         else if (evsel__match(evsel, HARDWARE, HW_CPU_CYCLES))
 101                 return STAT_CYCLES;
 102         else if (evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS))
 103                 return STAT_INSTRUCTIONS;
 104         else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_FRONTEND))
 105                 return STAT_STALLED_CYCLES_FRONT;
 106         else if (evsel__match(evsel, HARDWARE, HW_STALLED_CYCLES_BACKEND))
 107                 return STAT_STALLED_CYCLES_BACK;
 108         else if (evsel__match(evsel, HARDWARE, HW_BRANCH_INSTRUCTIONS))
 109                 return STAT_BRANCHES;
 110         else if (evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES))
 111                 return STAT_BRANCH_MISS;
 112         else if (evsel__match(evsel, HARDWARE, HW_CACHE_REFERENCES))
 113                 return STAT_CACHE_REFS;
 114         else if (evsel__match(evsel, HARDWARE, HW_CACHE_MISSES))
 115                 return STAT_CACHE_MISSES;
 116         else if (evsel__match(evsel, HW_CACHE, HW_CACHE_L1D))
 117                 return STAT_L1_DCACHE;
 118         else if (evsel__match(evsel, HW_CACHE, HW_CACHE_L1I))
 119                 return STAT_L1_ICACHE;
 120         else if (evsel__match(evsel, HW_CACHE, HW_CACHE_LL))
 121                 return STAT_LL_CACHE;
 122         else if (evsel__match(evsel, HW_CACHE, HW_CACHE_DTLB))
 123                 return STAT_DTLB_CACHE;
 124         else if (evsel__match(evsel, HW_CACHE, HW_CACHE_ITLB))
 125                 return STAT_ITLB_CACHE;
 126         else if (evsel__match(evsel, HW_CACHE, hw_cache_l1d_miss))
 127                 return STAT_L1D_MISS;
 128         else if (evsel__match(evsel, HW_CACHE, hw_cache_l1i_miss))
 129                 return STAT_L1I_MISS;
 130         else if (evsel__match(evsel, HW_CACHE, hw_cache_ll_miss))
 131                 return STAT_LL_MISS;
 132         else if (evsel__match(evsel, HW_CACHE, hw_cache_dtlb_miss))
 133                 return STAT_DTLB_MISS;
 134         else if (evsel__match(evsel, HW_CACHE, hw_cache_itlb_miss))
 135                 return STAT_ITLB_MISS;
 136         return STAT_NONE;
 137 }
 138
 139 static const char *get_ratio_color(const double ratios[3], double val)
 140 {
 141         const char *color = PERF_COLOR_NORMAL;
 142
 143         if (val > ratios[0])
 144                 color = PERF_COLOR_RED;
 145         else if (val > ratios[1])
 146                 color = PERF_COLOR_MAGENTA;
 147         else if (val > ratios[2])
 148                 color = PERF_COLOR_YELLOW;
 149
 150         return color;
 151 }
 152
 153 static double find_stat(const struct evsel *evsel, int aggr_idx, enum stat_type type)
 154 {
 155         const struct evsel *cur;
 156         int evsel_ctx = evsel_context(evsel);
 157
 158         evlist__for_each_entry(evsel->evlist, cur) {
 159                 struct perf_stat_aggr *aggr;
 160
 161                 /* Ignore the evsel that is being searched from. */
 162                 if (evsel == cur)
 163                         continue;
 164
 165                 /* Ignore evsels that are part of different groups. */
 166                 if (evsel->core.leader->nr_members > 1 &&
 167                     evsel->core.leader != cur->core.leader)
 168                         continue;
 169                 /* Ignore evsels with mismatched modifiers. */
 170                 if (evsel_ctx != evsel_context(cur))
 171                         continue;
 172                 /* Ignore if not the cgroup we're looking for. */
 173                 if (evsel->cgrp != cur->cgrp)
 174                         continue;
 175                 /* Ignore if not the stat we're looking for. */
 176                 if (type != evsel__stat_type(cur))
 177                         continue;
 178
 179                 aggr = &cur->stats->aggr[aggr_idx];
 180                 if (type == STAT_NSECS)
 181                         return aggr->counts.val;
 182                 return aggr->counts.val * cur->scale;
 183         }
 184         return 0.0;
 185 }
 186
 187 static void print_ratio(struct perf_stat_config *config,
 188                         const struct evsel *evsel, int aggr_idx,
 189                         double numerator, struct perf_stat_output_ctx *out,
 190                         enum stat_type denominator_type,
 191                         const double color_ratios[3], const char *unit)
 192 {
 193         double denominator = find_stat(evsel, aggr_idx, denominator_type);
 194
 195         if (numerator && denominator) {
 196                 double ratio = numerator / denominator * 100.0;
 197                 const char *color = get_ratio_color(color_ratios, ratio);
 198
 199                 out->print_metric(config, out->ctx, color, "%7.2f%%", unit, ratio);
 200         } else
 201                 out->print_metric(config, out->ctx, NULL, NULL, unit, 0);
 202 }
 203
 204 static void print_stalled_cycles_front(struct perf_stat_config *config,
 205                                 const struct evsel *evsel,
 206                                 int aggr_idx, double stalled,
 207                                 struct perf_stat_output_ctx *out)
 208 {
 209         static const double color_ratios[3] = {50.0, 30.0, 10.0};
 210
 211         print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios,
 212                     "frontend cycles idle");
 213 }
 214
 215 static void print_stalled_cycles_back(struct perf_stat_config *config,
 216                                 const struct evsel *evsel,
 217                                 int aggr_idx, double stalled,
 218                                 struct perf_stat_output_ctx *out)
 219 {
 220         static const double color_ratios[3] = {75.0, 50.0, 20.0};
 221
 222         print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios,
 223                     "backend cycles idle");
 224 }
 225
 226 static void print_branch_miss(struct perf_stat_config *config,
 227                         const struct evsel *evsel,
 228                         int aggr_idx, double misses,
 229                         struct perf_stat_output_ctx *out)
 230 {
 231         static const double color_ratios[3] = {20.0, 10.0, 5.0};
 232
 233         print_ratio(config, evsel, aggr_idx, misses, out, STAT_BRANCHES, color_ratios,
 234                     "of all branches");
 235 }
 236
 237 static void print_l1d_miss(struct perf_stat_config *config,
 238                         const struct evsel *evsel,
 239                         int aggr_idx, double misses,
 240                         struct perf_stat_output_ctx *out)
 241 {
 242         static const double color_ratios[3] = {20.0, 10.0, 5.0};
 243
 244         print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_DCACHE, color_ratios,
 245                     "of all L1-dcache accesses");
 246 }
 247
 248 static void print_l1i_miss(struct perf_stat_config *config,
 249                         const struct evsel *evsel,
 250                         int aggr_idx, double misses,
 251                         struct perf_stat_output_ctx *out)
 252 {
 253         static const double color_ratios[3] = {20.0, 10.0, 5.0};
 254
 255         print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_ICACHE, color_ratios,
 256                     "of all L1-icache accesses");
 257 }
 258
 259 static void print_ll_miss(struct perf_stat_config *config,
 260                         const struct evsel *evsel,
 261                         int aggr_idx, double misses,
 262                         struct perf_stat_output_ctx *out)
 263 {
 264         static const double color_ratios[3] = {20.0, 10.0, 5.0};
 265
 266         print_ratio(config, evsel, aggr_idx, misses, out, STAT_LL_CACHE, color_ratios,
 267                     "of all LL-cache accesses");
 268 }
 269
 270 static void print_dtlb_miss(struct perf_stat_config *config,
 271                         const struct evsel *evsel,
 272                         int aggr_idx, double misses,
 273                         struct perf_stat_output_ctx *out)
 274 {
 275         static const double color_ratios[3] = {20.0, 10.0, 5.0};
 276
 277         print_ratio(config, evsel, aggr_idx, misses, out, STAT_DTLB_CACHE, color_ratios,
 278                     "of all dTLB cache accesses");
 279 }
 280
 281 static void print_itlb_miss(struct perf_stat_config *config,
 282                         const struct evsel *evsel,
 283                         int aggr_idx, double misses,
 284                         struct perf_stat_output_ctx *out)
 285 {
 286         static const double color_ratios[3] = {20.0, 10.0, 5.0};
 287
 288         print_ratio(config, evsel, aggr_idx, misses, out, STAT_ITLB_CACHE, color_ratios,
 289                     "of all iTLB cache accesses");
 290 }
 291
 292 static void print_cache_miss(struct perf_stat_config *config,
 293                         const struct evsel *evsel,
 294                         int aggr_idx, double misses,
 295                         struct perf_stat_output_ctx *out)
 296 {
 297         static const double color_ratios[3] = {20.0, 10.0, 5.0};
 298
 299         print_ratio(config, evsel, aggr_idx, misses, out, STAT_CACHE_REFS, color_ratios,
 300                     "of all cache refs");
 301 }
 302
 303 static void print_instructions(struct perf_stat_config *config,
 304                         const struct evsel *evsel,
 305                         int aggr_idx, double instructions,
 306                         struct perf_stat_output_ctx *out)
 307 {
 308         print_metric_t print_metric = out->print_metric;
 309         void *ctxp = out->ctx;
 310         double cycles = find_stat(evsel, aggr_idx, STAT_CYCLES);
 311         double max_stalled = max(find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_FRONT),
 312                                 find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_BACK));
 313
 314         if (cycles) {
 315                 print_metric(config, ctxp, NULL, "%7.2f ", "insn per cycle",
 316                         instructions / cycles);
 317         } else
 318                 print_metric(config, ctxp, NULL, NULL, "insn per cycle", 0);
 319
 320         if (max_stalled && instructions) {
 321                 out->new_line(config, ctxp);
 322                 print_metric(config, ctxp, NULL, "%7.2f ", "stalled cycles per insn",
 323                         max_stalled / instructions);
 324         }
 325 }
 326
 327 static void print_cycles(struct perf_stat_config *config,
 328                         const struct evsel *evsel,
 329                         int aggr_idx, double cycles,
 330                         struct perf_stat_output_ctx *out)
 331 {
 332         double nsecs = find_stat(evsel, aggr_idx, STAT_NSECS);
 333
 334         if (cycles && nsecs) {
 335                 double ratio = cycles / nsecs;
 336
 337                 out->print_metric(config, out->ctx, NULL, "%8.3f", "GHz", ratio);
 338         } else
 339                 out->print_metric(config, out->ctx, NULL, NULL, "GHz", 0);
 340 }
 341
 342 static void print_nsecs(struct perf_stat_config *config,
 343                         const struct evsel *evsel,
 344                         int aggr_idx __maybe_unused, double nsecs,
 345                         struct perf_stat_output_ctx *out)
 346 {
 347         print_metric_t print_metric = out->print_metric;
 348         void *ctxp = out->ctx;
 349         double wall_time = avg_stats(&walltime_nsecs_stats);
 350
 351         if (wall_time) {
 352                 print_metric(config, ctxp, NULL, "%8.3f", "CPUs utilized",
 353                         nsecs / (wall_time * evsel->scale));
 354         } else
 355                 print_metric(config, ctxp, NULL, NULL, "CPUs utilized", 0);
 356 }
 357
 358 static int prepare_metric(const struct metric_expr *mexp,
 359                           const struct evsel *evsel,
 360                           struct expr_parse_ctx *pctx,
 361                           int aggr_idx)
 362 {
 363         struct evsel * const *metric_events = mexp->metric_events;
 364         struct metric_ref *metric_refs = mexp->metric_refs;
 365         int i;
 366
 367         for (i = 0; metric_events[i]; i++) {
 368                 char *n;
 369                 double val;
 370                 int source_count = 0;
 371
 372                 if (evsel__is_tool(metric_events[i])) {
 373                         struct stats *stats;
 374                         double scale;
 375
 376                         switch (metric_events[i]->tool_event) {
 377                         case PERF_TOOL_DURATION_TIME:
 378                                 stats = &walltime_nsecs_stats;
 379                                 scale = 1e-9;
 380                                 break;
 381                         case PERF_TOOL_USER_TIME:
 382                                 stats = &ru_stats.ru_utime_usec_stat;
 383                                 scale = 1e-6;
 384                                 break;
 385                         case PERF_TOOL_SYSTEM_TIME:
 386                                 stats = &ru_stats.ru_stime_usec_stat;
 387                                 scale = 1e-6;
 388                                 break;
 389                         case PERF_TOOL_NONE:
 390                                 pr_err("Invalid tool event 'none'");
 391                                 abort();
 392                         case PERF_TOOL_MAX:
 393                                 pr_err("Invalid tool event 'max'");
 394                                 abort();
 395                         default:
 396                                 pr_err("Unknown tool event '%s'", evsel__name(metric_events[i]));
 397                                 abort();
 398                         }
 399                         val = avg_stats(stats) * scale;
 400                         source_count = 1;
 401                 } else {
 402                         struct perf_stat_evsel *ps = metric_events[i]->stats;
 403                         struct perf_stat_aggr *aggr;
 404
 405                         /*
 406                          * If there are multiple uncore PMUs and we're not
 407                          * reading the leader's stats, determine the stats for
 408                          * the appropriate uncore PMU.
 409                          */
 410                         if (evsel && evsel->metric_leader &&
 411                             evsel->pmu != evsel->metric_leader->pmu &&
 412                             mexp->metric_events[i]->pmu == evsel->metric_leader->pmu) {
 413                                 struct evsel *pos;
 414
 415                                 evlist__for_each_entry(evsel->evlist, pos) {
 416                                         if (pos->pmu != evsel->pmu)
 417                                                 continue;
 418                                         if (pos->metric_leader != mexp->metric_events[i])
 419                                                 continue;
 420                                         ps = pos->stats;
 421                                         source_count = 1;
 422                                         break;
 423                                 }
 424                         }
 425                         aggr = &ps->aggr[aggr_idx];
 426                         if (!aggr)
 427                                 break;
 428
 429                         if (!metric_events[i]->supported) {
 430                                 /*
 431                                  * Not supported events will have a count of 0,
 432                                  * which can be confusing in a
 433                                  * metric. Explicitly set the value to NAN. Not
 434                                  * counted events (enable time of 0) are read as
 435                                  * 0.
 436                                  */
 437                                 val = NAN;
 438                                 source_count = 0;
 439                         } else {
 440                                 val = aggr->counts.val;
 441                                 if (!source_count)
 442                                         source_count = evsel__source_count(metric_events[i]);
 443                         }
 444                 }
 445                 n = strdup(evsel__metric_id(metric_events[i]));
 446                 if (!n)
 447                         return -ENOMEM;
 448
 449                 expr__add_id_val_source_count(pctx, n, val, source_count);
 450         }
 451
 452         for (int j = 0; metric_refs && metric_refs[j].metric_name; j++) {
 453                 int ret = expr__add_ref(pctx, &metric_refs[j]);
 454
 455                 if (ret)
 456                         return ret;
 457         }
 458
 459         return i;
 460 }
 461
 462 static void generic_metric(struct perf_stat_config *config,
 463                            struct metric_expr *mexp,
 464                            struct evsel *evsel,
 465                            int aggr_idx,
 466                            struct perf_stat_output_ctx *out)
 467 {
 468         print_metric_t print_metric = out->print_metric;
 469         const char *metric_name = mexp->metric_name;
 470         const char *metric_expr = mexp->metric_expr;
 471         const char *metric_threshold = mexp->metric_threshold;
 472         const char *metric_unit = mexp->metric_unit;
 473         struct evsel * const *metric_events = mexp->metric_events;
 474         int runtime = mexp->runtime;
 475         struct expr_parse_ctx *pctx;
 476         double ratio, scale, threshold;
 477         int i;
 478         void *ctxp = out->ctx;
 479         const char *color = NULL;
 480
 481         pctx = expr__ctx_new();
 482         if (!pctx)
 483                 return;
 484
 485         if (config->user_requested_cpu_list)
 486                 pctx->sctx.user_requested_cpu_list = strdup(config->user_requested_cpu_list);
 487         pctx->sctx.runtime = runtime;
 488         pctx->sctx.system_wide = config->system_wide;
 489         i = prepare_metric(mexp, evsel, pctx, aggr_idx);
 490         if (i < 0) {
 491                 expr__ctx_free(pctx);
 492                 return;
 493         }
 494         if (!metric_events[i]) {
 495                 if (expr__parse(&ratio, pctx, metric_expr) == 0) {
 496                         char *unit;
 497                         char metric_bf[64];
 498
 499                         if (metric_threshold &&
 500                             expr__parse(&threshold, pctx, metric_threshold) == 0 &&
 501                             !isnan(threshold)) {
 502                                 color = fpclassify(threshold) == FP_ZERO
 503                                         ? PERF_COLOR_GREEN : PERF_COLOR_RED;
 504                         }
 505
 506                         if (metric_unit && metric_name) {
 507                                 if (perf_pmu__convert_scale(metric_unit,
 508                                         &unit, &scale) >= 0) {
 509                                         ratio *= scale;
 510                                 }
 511                                 if (strstr(metric_expr, "?"))
 512                                         scnprintf(metric_bf, sizeof(metric_bf),
 513                                           "%s  %s_%d", unit, metric_name, runtime);
 514                                 else
 515                                         scnprintf(metric_bf, sizeof(metric_bf),
 516                                           "%s  %s", unit, metric_name);
 517
 518                                 print_metric(config, ctxp, color, "%8.1f",
 519                                              metric_bf, ratio);
 520                         } else {
 521                                 print_metric(config, ctxp, color, "%8.2f",
 522                                         metric_name ?
 523                                         metric_name :
 524                                         out->force_header ?  evsel->name : "",
 525                                         ratio);
 526                         }
 527                 } else {
 528                         print_metric(config, ctxp, color, /*unit=*/NULL,
 529                                      out->force_header ?
 530                                      (metric_name ?: evsel->name) : "", 0);
 531                 }
 532         } else {
 533                 print_metric(config, ctxp, color, /*unit=*/NULL,
 534                              out->force_header ?
 535                              (metric_name ?: evsel->name) : "", 0);
 536         }
 537
 538         expr__ctx_free(pctx);
 539 }
 540
 541 double test_generic_metric(struct metric_expr *mexp, int aggr_idx)
 542 {
 543         struct expr_parse_ctx *pctx;
 544         double ratio = 0.0;
 545
 546         pctx = expr__ctx_new();
 547         if (!pctx)
 548                 return NAN;
 549
 550         if (prepare_metric(mexp, /*evsel=*/NULL, pctx, aggr_idx) < 0)
 551                 goto out;
 552
 553         if (expr__parse(&ratio, pctx, mexp->metric_expr))
 554                 ratio = 0.0;
 555
 556 out:
 557         expr__ctx_free(pctx);
 558         return ratio;
 559 }
 560
 561 static void perf_stat__print_metricgroup_header(struct perf_stat_config *config,
 562                                                 struct evsel *evsel,
 563                                                 void *ctxp,
 564                                                 const char *name,
 565                                                 struct perf_stat_output_ctx *out)
 566 {
 567         bool need_full_name = perf_pmus__num_core_pmus() > 1;
 568         static const char *last_name;
 569         static const char *last_pmu;
 570         char full_name[64];
 571
 572         /*
 573          * A metricgroup may have several metric events,
 574          * e.g.,TopdownL1 on e-core of ADL.
 575          * The name has been output by the first metric
 576          * event. Only align with other metics from
 577          * different metric events.
 578          */
 579         if (last_name && !strcmp(last_name, name)) {
 580                 if (!need_full_name || !strcmp(last_pmu, evsel->pmu_name)) {
 581                         out->print_metricgroup_header(config, ctxp, NULL);
 582                         return;
 583                 }
 584         }
 585
 586         if (need_full_name)
 587                 scnprintf(full_name, sizeof(full_name), "%s (%s)", name, evsel->pmu_name);
 588         else
 589                 scnprintf(full_name, sizeof(full_name), "%s", name);
 590
 591         out->print_metricgroup_header(config, ctxp, full_name);
 592
 593         last_name = name;
 594         last_pmu = evsel->pmu_name;
 595 }
 596
 597 /**
 598  * perf_stat__print_shadow_stats_metricgroup - Print out metrics associated with the evsel
 599  *                                             For the non-default, all metrics associated
 600  *                                             with the evsel are printed.
 601  *                                             For the default mode, only the metrics from
 602  *                                             the same metricgroup and the name of the
 603  *                                             metricgroup are printed. To print the metrics
 604  *                                             from the next metricgroup (if available),
 605  *                                             invoke the function with correspoinding
 606  *                                             metric_expr.
 607  */
 608 void *perf_stat__print_shadow_stats_metricgroup(struct perf_stat_config *config,
 609                                                 struct evsel *evsel,
 610                                                 int aggr_idx,
 611                                                 int *num,
 612                                                 void *from,
 613                                                 struct perf_stat_output_ctx *out,
 614                                                 struct rblist *metric_events)
 615 {
 616         struct metric_event *me;
 617         struct metric_expr *mexp = from;
 618         void *ctxp = out->ctx;
 619         bool header_printed = false;
 620         const char *name = NULL;
 621
 622         me = metricgroup__lookup(metric_events, evsel, false);
 623         if (me == NULL)
 624                 return NULL;
 625
 626         if (!mexp)
 627                 mexp = list_first_entry(&me->head, typeof(*mexp), nd);
 628
 629         list_for_each_entry_from(mexp, &me->head, nd) {
 630                 /* Print the display name of the Default metricgroup */
 631                 if (!config->metric_only && me->is_default) {
 632                         if (!name)
 633                                 name = mexp->default_metricgroup_name;
 634                         /*
 635                          * Two or more metricgroup may share the same metric
 636                          * event, e.g., TopdownL1 and TopdownL2 on SPR.
 637                          * Return and print the prefix, e.g., noise, running
 638                          * for the next metricgroup.
 639                          */
 640                         if (strcmp(name, mexp->default_metricgroup_name))
 641                                 return (void *)mexp;
 642                         /* Only print the name of the metricgroup once */
 643                         if (!header_printed) {
 644                                 header_printed = true;
 645                                 perf_stat__print_metricgroup_header(config, evsel, ctxp,
 646                                                                     name, out);
 647                         }
 648                 }
 649
 650                 if ((*num)++ > 0)
 651                         out->new_line(config, ctxp);
 652                 generic_metric(config, mexp, evsel, aggr_idx, out);
 653         }
 654
 655         return NULL;
 656 }
 657
 658 void perf_stat__print_shadow_stats(struct perf_stat_config *config,
 659                                    struct evsel *evsel,
 660                                    double avg, int aggr_idx,
 661                                    struct perf_stat_output_ctx *out,
 662                                    struct rblist *metric_events)
 663 {
 664         typedef void (*stat_print_function_t)(struct perf_stat_config *config,
 665                                         const struct evsel *evsel,
 666                                         int aggr_idx, double misses,
 667                                         struct perf_stat_output_ctx *out);
 668         static const stat_print_function_t stat_print_function[STAT_MAX] = {
 669                 [STAT_INSTRUCTIONS] = print_instructions,
 670                 [STAT_BRANCH_MISS] = print_branch_miss,
 671                 [STAT_L1D_MISS] = print_l1d_miss,
 672                 [STAT_L1I_MISS] = print_l1i_miss,
 673                 [STAT_DTLB_MISS] = print_dtlb_miss,
 674                 [STAT_ITLB_MISS] = print_itlb_miss,
 675                 [STAT_LL_MISS] = print_ll_miss,
 676                 [STAT_CACHE_MISSES] = print_cache_miss,
 677                 [STAT_STALLED_CYCLES_FRONT] = print_stalled_cycles_front,
 678                 [STAT_STALLED_CYCLES_BACK] = print_stalled_cycles_back,
 679                 [STAT_CYCLES] = print_cycles,
 680                 [STAT_NSECS] = print_nsecs,
 681         };
 682         print_metric_t print_metric = out->print_metric;
 683         void *ctxp = out->ctx;
 684         int num = 1;
 685
 686         if (config->iostat_run) {
 687                 iostat_print_metric(config, evsel, out);
 688         } else {
 689                 stat_print_function_t fn = stat_print_function[evsel__stat_type(evsel)];
 690
 691                 if (fn)
 692                         fn(config, evsel, aggr_idx, avg, out);
 693                 else {
 694                         double nsecs =  find_stat(evsel, aggr_idx, STAT_NSECS);
 695
 696                         if (nsecs) {
 697                                 char unit = ' ';
 698                                 char unit_buf[10] = "/sec";
 699                                 double ratio = convert_unit_double(1000000000.0 * avg / nsecs,
 700                                                                    &unit);
 701
 702                                 if (unit != ' ')
 703                                         snprintf(unit_buf, sizeof(unit_buf), "%c/sec", unit);
 704                                 print_metric(config, ctxp, NULL, "%8.3f", unit_buf, ratio);
 705                         } else
 706                                 num = 0;
 707                 }
 708         }
 709
 710         perf_stat__print_shadow_stats_metricgroup(config, evsel, aggr_idx,
 711                                                   &num, NULL, out, metric_events);
 712
 713         if (num == 0)
 714                 print_metric(config, ctxp, NULL, NULL, NULL, 0);
 715 }
 716
 717 /**
 718  * perf_stat__skip_metric_event - Skip the evsel in the Default metricgroup,
 719  *                                if it's not running or not the metric event.
 720  */
 721 bool perf_stat__skip_metric_event(struct evsel *evsel,
 722                                   struct rblist *metric_events,
 723                                   u64 ena, u64 run)
 724 {
 725         if (!evsel->default_metricgroup)
 726                 return false;
 727
 728         if (!ena || !run)
 729                 return true;
 730
 731         return !metricgroup__lookup(metric_events, evsel, false);
 732 }