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 } 733