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 /* 180 * Except the SW CLOCK events, 181 * ignore if not the PMU we're looking for. 182 */ 183 if ((type != STAT_NSECS) && (evsel->pmu != cur->pmu)) 184 continue; 185 186 aggr = &cur->stats->aggr[aggr_idx]; 187 if (type == STAT_NSECS) 188 return aggr->counts.val; 189 return aggr->counts.val * cur->scale; 190 } 191 return 0.0; 192 } 193 194 static void print_ratio(struct perf_stat_config *config, 195 const struct evsel *evsel, int aggr_idx, 196 double numerator, struct perf_stat_output_ctx *out, 197 enum stat_type denominator_type, 198 const double color_ratios[3], const char *unit) 199 { 200 double denominator = find_stat(evsel, aggr_idx, denominator_type); 201 202 if (numerator && denominator) { 203 double ratio = numerator / denominator * 100.0; 204 const char *color = get_ratio_color(color_ratios, ratio); 205 206 out->print_metric(config, out->ctx, color, "%7.2f%%", unit, ratio); 207 } else 208 out->print_metric(config, out->ctx, NULL, NULL, unit, 0); 209 } 210 211 static void print_stalled_cycles_front(struct perf_stat_config *config, 212 const struct evsel *evsel, 213 int aggr_idx, double stalled, 214 struct perf_stat_output_ctx *out) 215 { 216 static const double color_ratios[3] = {50.0, 30.0, 10.0}; 217 218 print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios, 219 "frontend cycles idle"); 220 } 221 222 static void print_stalled_cycles_back(struct perf_stat_config *config, 223 const struct evsel *evsel, 224 int aggr_idx, double stalled, 225 struct perf_stat_output_ctx *out) 226 { 227 static const double color_ratios[3] = {75.0, 50.0, 20.0}; 228 229 print_ratio(config, evsel, aggr_idx, stalled, out, STAT_CYCLES, color_ratios, 230 "backend cycles idle"); 231 } 232 233 static void print_branch_miss(struct perf_stat_config *config, 234 const struct evsel *evsel, 235 int aggr_idx, double misses, 236 struct perf_stat_output_ctx *out) 237 { 238 static const double color_ratios[3] = {20.0, 10.0, 5.0}; 239 240 print_ratio(config, evsel, aggr_idx, misses, out, STAT_BRANCHES, color_ratios, 241 "of all branches"); 242 } 243 244 static void print_l1d_miss(struct perf_stat_config *config, 245 const struct evsel *evsel, 246 int aggr_idx, double misses, 247 struct perf_stat_output_ctx *out) 248 { 249 static const double color_ratios[3] = {20.0, 10.0, 5.0}; 250 251 print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_DCACHE, color_ratios, 252 "of all L1-dcache accesses"); 253 } 254 255 static void print_l1i_miss(struct perf_stat_config *config, 256 const struct evsel *evsel, 257 int aggr_idx, double misses, 258 struct perf_stat_output_ctx *out) 259 { 260 static const double color_ratios[3] = {20.0, 10.0, 5.0}; 261 262 print_ratio(config, evsel, aggr_idx, misses, out, STAT_L1_ICACHE, color_ratios, 263 "of all L1-icache accesses"); 264 } 265 266 static void print_ll_miss(struct perf_stat_config *config, 267 const struct evsel *evsel, 268 int aggr_idx, double misses, 269 struct perf_stat_output_ctx *out) 270 { 271 static const double color_ratios[3] = {20.0, 10.0, 5.0}; 272 273 print_ratio(config, evsel, aggr_idx, misses, out, STAT_LL_CACHE, color_ratios, 274 "of all LL-cache accesses"); 275 } 276 277 static void print_dtlb_miss(struct perf_stat_config *config, 278 const struct evsel *evsel, 279 int aggr_idx, double misses, 280 struct perf_stat_output_ctx *out) 281 { 282 static const double color_ratios[3] = {20.0, 10.0, 5.0}; 283 284 print_ratio(config, evsel, aggr_idx, misses, out, STAT_DTLB_CACHE, color_ratios, 285 "of all dTLB cache accesses"); 286 } 287 288 static void print_itlb_miss(struct perf_stat_config *config, 289 const struct evsel *evsel, 290 int aggr_idx, double misses, 291 struct perf_stat_output_ctx *out) 292 { 293 static const double color_ratios[3] = {20.0, 10.0, 5.0}; 294 295 print_ratio(config, evsel, aggr_idx, misses, out, STAT_ITLB_CACHE, color_ratios, 296 "of all iTLB cache accesses"); 297 } 298 299 static void print_cache_miss(struct perf_stat_config *config, 300 const struct evsel *evsel, 301 int aggr_idx, double misses, 302 struct perf_stat_output_ctx *out) 303 { 304 static const double color_ratios[3] = {20.0, 10.0, 5.0}; 305 306 print_ratio(config, evsel, aggr_idx, misses, out, STAT_CACHE_REFS, color_ratios, 307 "of all cache refs"); 308 } 309 310 static void print_instructions(struct perf_stat_config *config, 311 const struct evsel *evsel, 312 int aggr_idx, double instructions, 313 struct perf_stat_output_ctx *out) 314 { 315 print_metric_t print_metric = out->print_metric; 316 void *ctxp = out->ctx; 317 double cycles = find_stat(evsel, aggr_idx, STAT_CYCLES); 318 double max_stalled = max(find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_FRONT), 319 find_stat(evsel, aggr_idx, STAT_STALLED_CYCLES_BACK)); 320 321 if (cycles) { 322 print_metric(config, ctxp, NULL, "%7.2f ", "insn per cycle", 323 instructions / cycles); 324 } else 325 print_metric(config, ctxp, NULL, NULL, "insn per cycle", 0); 326 327 if (max_stalled && instructions) { 328 out->new_line(config, ctxp); 329 print_metric(config, ctxp, NULL, "%7.2f ", "stalled cycles per insn", 330 max_stalled / instructions); 331 } 332 } 333 334 static void print_cycles(struct perf_stat_config *config, 335 const struct evsel *evsel, 336 int aggr_idx, double cycles, 337 struct perf_stat_output_ctx *out) 338 { 339 double nsecs = find_stat(evsel, aggr_idx, STAT_NSECS); 340 341 if (cycles && nsecs) { 342 double ratio = cycles / nsecs; 343 344 out->print_metric(config, out->ctx, NULL, "%8.3f", "GHz", ratio); 345 } else 346 out->print_metric(config, out->ctx, NULL, NULL, "GHz", 0); 347 } 348 349 static void print_nsecs(struct perf_stat_config *config, 350 const struct evsel *evsel, 351 int aggr_idx __maybe_unused, double nsecs, 352 struct perf_stat_output_ctx *out) 353 { 354 print_metric_t print_metric = out->print_metric; 355 void *ctxp = out->ctx; 356 double wall_time = avg_stats(&walltime_nsecs_stats); 357 358 if (wall_time) { 359 print_metric(config, ctxp, NULL, "%8.3f", "CPUs utilized", 360 nsecs / (wall_time * evsel->scale)); 361 } else 362 print_metric(config, ctxp, NULL, NULL, "CPUs utilized", 0); 363 } 364 365 static int prepare_metric(struct evsel **metric_events, 366 struct metric_ref *metric_refs, 367 struct expr_parse_ctx *pctx, 368 int aggr_idx) 369 { 370 int i; 371 372 for (i = 0; metric_events[i]; i++) { 373 char *n; 374 double val; 375 int source_count = 0; 376 377 if (evsel__is_tool(metric_events[i])) { 378 struct stats *stats; 379 double scale; 380 381 switch (metric_events[i]->tool_event) { 382 case PERF_TOOL_DURATION_TIME: 383 stats = &walltime_nsecs_stats; 384 scale = 1e-9; 385 break; 386 case PERF_TOOL_USER_TIME: 387 stats = &ru_stats.ru_utime_usec_stat; 388 scale = 1e-6; 389 break; 390 case PERF_TOOL_SYSTEM_TIME: 391 stats = &ru_stats.ru_stime_usec_stat; 392 scale = 1e-6; 393 break; 394 case PERF_TOOL_NONE: 395 pr_err("Invalid tool event 'none'"); 396 abort(); 397 case PERF_TOOL_MAX: 398 pr_err("Invalid tool event 'max'"); 399 abort(); 400 default: 401 pr_err("Unknown tool event '%s'", evsel__name(metric_events[i])); 402 abort(); 403 } 404 val = avg_stats(stats) * scale; 405 source_count = 1; 406 } else { 407 struct perf_stat_evsel *ps = metric_events[i]->stats; 408 struct perf_stat_aggr *aggr = &ps->aggr[aggr_idx]; 409 410 if (!aggr) 411 break; 412 413 if (!metric_events[i]->supported) { 414 /* 415 * Not supported events will have a count of 0, 416 * which can be confusing in a 417 * metric. Explicitly set the value to NAN. Not 418 * counted events (enable time of 0) are read as 419 * 0. 420 */ 421 val = NAN; 422 source_count = 0; 423 } else { 424 val = aggr->counts.val; 425 source_count = evsel__source_count(metric_events[i]); 426 } 427 } 428 n = strdup(evsel__metric_id(metric_events[i])); 429 if (!n) 430 return -ENOMEM; 431 432 expr__add_id_val_source_count(pctx, n, val, source_count); 433 } 434 435 for (int j = 0; metric_refs && metric_refs[j].metric_name; j++) { 436 int ret = expr__add_ref(pctx, &metric_refs[j]); 437 438 if (ret) 439 return ret; 440 } 441 442 return i; 443 } 444 445 static void generic_metric(struct perf_stat_config *config, 446 const char *metric_expr, 447 const char *metric_threshold, 448 struct evsel **metric_events, 449 struct metric_ref *metric_refs, 450 char *name, 451 const char *metric_name, 452 const char *metric_unit, 453 int runtime, 454 int aggr_idx, 455 struct perf_stat_output_ctx *out) 456 { 457 print_metric_t print_metric = out->print_metric; 458 struct expr_parse_ctx *pctx; 459 double ratio, scale, threshold; 460 int i; 461 void *ctxp = out->ctx; 462 const char *color = NULL; 463 464 pctx = expr__ctx_new(); 465 if (!pctx) 466 return; 467 468 if (config->user_requested_cpu_list) 469 pctx->sctx.user_requested_cpu_list = strdup(config->user_requested_cpu_list); 470 pctx->sctx.runtime = runtime; 471 pctx->sctx.system_wide = config->system_wide; 472 i = prepare_metric(metric_events, metric_refs, pctx, aggr_idx); 473 if (i < 0) { 474 expr__ctx_free(pctx); 475 return; 476 } 477 if (!metric_events[i]) { 478 if (expr__parse(&ratio, pctx, metric_expr) == 0) { 479 char *unit; 480 char metric_bf[64]; 481 482 if (metric_threshold && 483 expr__parse(&threshold, pctx, metric_threshold) == 0 && 484 !isnan(threshold)) { 485 color = fpclassify(threshold) == FP_ZERO 486 ? PERF_COLOR_GREEN : PERF_COLOR_RED; 487 } 488 489 if (metric_unit && metric_name) { 490 if (perf_pmu__convert_scale(metric_unit, 491 &unit, &scale) >= 0) { 492 ratio *= scale; 493 } 494 if (strstr(metric_expr, "?")) 495 scnprintf(metric_bf, sizeof(metric_bf), 496 "%s %s_%d", unit, metric_name, runtime); 497 else 498 scnprintf(metric_bf, sizeof(metric_bf), 499 "%s %s", unit, metric_name); 500 501 print_metric(config, ctxp, color, "%8.1f", 502 metric_bf, ratio); 503 } else { 504 print_metric(config, ctxp, color, "%8.2f", 505 metric_name ? 506 metric_name : 507 out->force_header ? name : "", 508 ratio); 509 } 510 } else { 511 print_metric(config, ctxp, color, /*unit=*/NULL, 512 out->force_header ? 513 (metric_name ? metric_name : name) : "", 0); 514 } 515 } else { 516 print_metric(config, ctxp, color, /*unit=*/NULL, 517 out->force_header ? 518 (metric_name ? metric_name : name) : "", 0); 519 } 520 521 expr__ctx_free(pctx); 522 } 523 524 double test_generic_metric(struct metric_expr *mexp, int aggr_idx) 525 { 526 struct expr_parse_ctx *pctx; 527 double ratio = 0.0; 528 529 pctx = expr__ctx_new(); 530 if (!pctx) 531 return NAN; 532 533 if (prepare_metric(mexp->metric_events, mexp->metric_refs, pctx, aggr_idx) < 0) 534 goto out; 535 536 if (expr__parse(&ratio, pctx, mexp->metric_expr)) 537 ratio = 0.0; 538 539 out: 540 expr__ctx_free(pctx); 541 return ratio; 542 } 543 544 static void perf_stat__print_metricgroup_header(struct perf_stat_config *config, 545 struct evsel *evsel, 546 void *ctxp, 547 const char *name, 548 struct perf_stat_output_ctx *out) 549 { 550 bool need_full_name = perf_pmus__num_core_pmus() > 1; 551 static const char *last_name; 552 static const char *last_pmu; 553 char full_name[64]; 554 555 /* 556 * A metricgroup may have several metric events, 557 * e.g.,TopdownL1 on e-core of ADL. 558 * The name has been output by the first metric 559 * event. Only align with other metics from 560 * different metric events. 561 */ 562 if (last_name && !strcmp(last_name, name)) { 563 if (!need_full_name || !strcmp(last_pmu, evsel->pmu_name)) { 564 out->print_metricgroup_header(config, ctxp, NULL); 565 return; 566 } 567 } 568 569 if (need_full_name) 570 scnprintf(full_name, sizeof(full_name), "%s (%s)", name, evsel->pmu_name); 571 else 572 scnprintf(full_name, sizeof(full_name), "%s", name); 573 574 out->print_metricgroup_header(config, ctxp, full_name); 575 576 last_name = name; 577 last_pmu = evsel->pmu_name; 578 } 579 580 /** 581 * perf_stat__print_shadow_stats_metricgroup - Print out metrics associated with the evsel 582 * For the non-default, all metrics associated 583 * with the evsel are printed. 584 * For the default mode, only the metrics from 585 * the same metricgroup and the name of the 586 * metricgroup are printed. To print the metrics 587 * from the next metricgroup (if available), 588 * invoke the function with correspoinding 589 * metric_expr. 590 */ 591 void *perf_stat__print_shadow_stats_metricgroup(struct perf_stat_config *config, 592 struct evsel *evsel, 593 int aggr_idx, 594 int *num, 595 void *from, 596 struct perf_stat_output_ctx *out, 597 struct rblist *metric_events) 598 { 599 struct metric_event *me; 600 struct metric_expr *mexp = from; 601 void *ctxp = out->ctx; 602 bool header_printed = false; 603 const char *name = NULL; 604 605 me = metricgroup__lookup(metric_events, evsel, false); 606 if (me == NULL) 607 return NULL; 608 609 if (!mexp) 610 mexp = list_first_entry(&me->head, typeof(*mexp), nd); 611 612 list_for_each_entry_from(mexp, &me->head, nd) { 613 /* Print the display name of the Default metricgroup */ 614 if (!config->metric_only && me->is_default) { 615 if (!name) 616 name = mexp->default_metricgroup_name; 617 /* 618 * Two or more metricgroup may share the same metric 619 * event, e.g., TopdownL1 and TopdownL2 on SPR. 620 * Return and print the prefix, e.g., noise, running 621 * for the next metricgroup. 622 */ 623 if (strcmp(name, mexp->default_metricgroup_name)) 624 return (void *)mexp; 625 /* Only print the name of the metricgroup once */ 626 if (!header_printed) { 627 header_printed = true; 628 perf_stat__print_metricgroup_header(config, evsel, ctxp, 629 name, out); 630 } 631 } 632 633 if ((*num)++ > 0) 634 out->new_line(config, ctxp); 635 generic_metric(config, mexp->metric_expr, mexp->metric_threshold, 636 mexp->metric_events, mexp->metric_refs, evsel->name, 637 mexp->metric_name, mexp->metric_unit, mexp->runtime, 638 aggr_idx, out); 639 } 640 641 return NULL; 642 } 643 644 void perf_stat__print_shadow_stats(struct perf_stat_config *config, 645 struct evsel *evsel, 646 double avg, int aggr_idx, 647 struct perf_stat_output_ctx *out, 648 struct rblist *metric_events) 649 { 650 typedef void (*stat_print_function_t)(struct perf_stat_config *config, 651 const struct evsel *evsel, 652 int aggr_idx, double misses, 653 struct perf_stat_output_ctx *out); 654 static const stat_print_function_t stat_print_function[STAT_MAX] = { 655 [STAT_INSTRUCTIONS] = print_instructions, 656 [STAT_BRANCH_MISS] = print_branch_miss, 657 [STAT_L1D_MISS] = print_l1d_miss, 658 [STAT_L1I_MISS] = print_l1i_miss, 659 [STAT_DTLB_MISS] = print_dtlb_miss, 660 [STAT_ITLB_MISS] = print_itlb_miss, 661 [STAT_LL_MISS] = print_ll_miss, 662 [STAT_CACHE_MISSES] = print_cache_miss, 663 [STAT_STALLED_CYCLES_FRONT] = print_stalled_cycles_front, 664 [STAT_STALLED_CYCLES_BACK] = print_stalled_cycles_back, 665 [STAT_CYCLES] = print_cycles, 666 [STAT_NSECS] = print_nsecs, 667 }; 668 print_metric_t print_metric = out->print_metric; 669 void *ctxp = out->ctx; 670 int num = 1; 671 672 if (config->iostat_run) { 673 iostat_print_metric(config, evsel, out); 674 } else { 675 stat_print_function_t fn = stat_print_function[evsel__stat_type(evsel)]; 676 677 if (fn) 678 fn(config, evsel, aggr_idx, avg, out); 679 else { 680 double nsecs = find_stat(evsel, aggr_idx, STAT_NSECS); 681 682 if (nsecs) { 683 char unit = ' '; 684 char unit_buf[10] = "/sec"; 685 double ratio = convert_unit_double(1000000000.0 * avg / nsecs, 686 &unit); 687 688 if (unit != ' ') 689 snprintf(unit_buf, sizeof(unit_buf), "%c/sec", unit); 690 print_metric(config, ctxp, NULL, "%8.3f", unit_buf, ratio); 691 } else 692 num = 0; 693 } 694 } 695 696 perf_stat__print_shadow_stats_metricgroup(config, evsel, aggr_idx, 697 &num, NULL, out, metric_events); 698 699 if (num == 0) 700 print_metric(config, ctxp, NULL, NULL, NULL, 0); 701 } 702 703 /** 704 * perf_stat__skip_metric_event - Skip the evsel in the Default metricgroup, 705 * if it's not running or not the metric event. 706 */ 707 bool perf_stat__skip_metric_event(struct evsel *evsel, 708 struct rblist *metric_events, 709 u64 ena, u64 run) 710 { 711 if (!evsel->default_metricgroup) 712 return false; 713 714 if (!ena || !run) 715 return true; 716 717 return !metricgroup__lookup(metric_events, evsel, false); 718 } 719