1 #include <stdlib.h> 2 #include <stdio.h> 3 #include <inttypes.h> 4 #include <linux/string.h> 5 #include <linux/time64.h> 6 #include <math.h> 7 #include <perf/cpumap.h> 8 #include "color.h" 9 #include "counts.h" 10 #include "evlist.h" 11 #include "evsel.h" 12 #include "stat.h" 13 #include "top.h" 14 #include "thread_map.h" 15 #include "cpumap.h" 16 #include "string2.h" 17 #include <linux/ctype.h> 18 #include "cgroup.h" 19 #include <api/fs/fs.h> 20 #include "util.h" 21 #include "iostat.h" 22 #include "pmu.h" 23 #include "pmus.h" 24 25 #define CNTR_NOT_SUPPORTED "<not supported>" 26 #define CNTR_NOT_COUNTED "<not counted>" 27 28 #define MGROUP_LEN 50 29 #define METRIC_LEN 38 30 #define EVNAME_LEN 32 31 #define COUNTS_LEN 18 32 #define INTERVAL_LEN 16 33 #define CGROUP_LEN 16 34 #define COMM_LEN 16 35 #define PID_LEN 7 36 #define CPUS_LEN 4 37 38 static int aggr_header_lens[] = { 39 [AGGR_CORE] = 18, 40 [AGGR_CACHE] = 22, 41 [AGGR_DIE] = 12, 42 [AGGR_SOCKET] = 6, 43 [AGGR_NODE] = 6, 44 [AGGR_NONE] = 6, 45 [AGGR_THREAD] = 16, 46 [AGGR_GLOBAL] = 0, 47 }; 48 49 static const char *aggr_header_csv[] = { 50 [AGGR_CORE] = "core,cpus,", 51 [AGGR_CACHE] = "cache,cpus,", 52 [AGGR_DIE] = "die,cpus,", 53 [AGGR_SOCKET] = "socket,cpus,", 54 [AGGR_NONE] = "cpu,", 55 [AGGR_THREAD] = "comm-pid,", 56 [AGGR_NODE] = "node,", 57 [AGGR_GLOBAL] = "" 58 }; 59 60 static const char *aggr_header_std[] = { 61 [AGGR_CORE] = "core", 62 [AGGR_CACHE] = "cache", 63 [AGGR_DIE] = "die", 64 [AGGR_SOCKET] = "socket", 65 [AGGR_NONE] = "cpu", 66 [AGGR_THREAD] = "comm-pid", 67 [AGGR_NODE] = "node", 68 [AGGR_GLOBAL] = "" 69 }; 70 71 static void print_running_std(struct perf_stat_config *config, u64 run, u64 ena) 72 { 73 if (run != ena) 74 fprintf(config->output, " (%.2f%%)", 100.0 * run / ena); 75 } 76 77 static void print_running_csv(struct perf_stat_config *config, u64 run, u64 ena) 78 { 79 double enabled_percent = 100; 80 81 if (run != ena) 82 enabled_percent = 100 * run / ena; 83 fprintf(config->output, "%s%" PRIu64 "%s%.2f", 84 config->csv_sep, run, config->csv_sep, enabled_percent); 85 } 86 87 static void print_running_json(struct perf_stat_config *config, u64 run, u64 ena) 88 { 89 double enabled_percent = 100; 90 91 if (run != ena) 92 enabled_percent = 100 * run / ena; 93 fprintf(config->output, "\"event-runtime\" : %" PRIu64 ", \"pcnt-running\" : %.2f, ", 94 run, enabled_percent); 95 } 96 97 static void print_running(struct perf_stat_config *config, 98 u64 run, u64 ena, bool before_metric) 99 { 100 if (config->json_output) { 101 if (before_metric) 102 print_running_json(config, run, ena); 103 } else if (config->csv_output) { 104 if (before_metric) 105 print_running_csv(config, run, ena); 106 } else { 107 if (!before_metric) 108 print_running_std(config, run, ena); 109 } 110 } 111 112 static void print_noise_pct_std(struct perf_stat_config *config, 113 double pct) 114 { 115 if (pct) 116 fprintf(config->output, " ( +-%6.2f%% )", pct); 117 } 118 119 static void print_noise_pct_csv(struct perf_stat_config *config, 120 double pct) 121 { 122 fprintf(config->output, "%s%.2f%%", config->csv_sep, pct); 123 } 124 125 static void print_noise_pct_json(struct perf_stat_config *config, 126 double pct) 127 { 128 fprintf(config->output, "\"variance\" : %.2f, ", pct); 129 } 130 131 static void print_noise_pct(struct perf_stat_config *config, 132 double total, double avg, bool before_metric) 133 { 134 double pct = rel_stddev_stats(total, avg); 135 136 if (config->json_output) { 137 if (before_metric) 138 print_noise_pct_json(config, pct); 139 } else if (config->csv_output) { 140 if (before_metric) 141 print_noise_pct_csv(config, pct); 142 } else { 143 if (!before_metric) 144 print_noise_pct_std(config, pct); 145 } 146 } 147 148 static void print_noise(struct perf_stat_config *config, 149 struct evsel *evsel, double avg, bool before_metric) 150 { 151 struct perf_stat_evsel *ps; 152 153 if (config->run_count == 1) 154 return; 155 156 ps = evsel->stats; 157 print_noise_pct(config, stddev_stats(&ps->res_stats), avg, before_metric); 158 } 159 160 static void print_cgroup_std(struct perf_stat_config *config, const char *cgrp_name) 161 { 162 fprintf(config->output, " %-*s", CGROUP_LEN, cgrp_name); 163 } 164 165 static void print_cgroup_csv(struct perf_stat_config *config, const char *cgrp_name) 166 { 167 fprintf(config->output, "%s%s", config->csv_sep, cgrp_name); 168 } 169 170 static void print_cgroup_json(struct perf_stat_config *config, const char *cgrp_name) 171 { 172 fprintf(config->output, "\"cgroup\" : \"%s\", ", cgrp_name); 173 } 174 175 static void print_cgroup(struct perf_stat_config *config, struct cgroup *cgrp) 176 { 177 if (nr_cgroups || config->cgroup_list) { 178 const char *cgrp_name = cgrp ? cgrp->name : ""; 179 180 if (config->json_output) 181 print_cgroup_json(config, cgrp_name); 182 else if (config->csv_output) 183 print_cgroup_csv(config, cgrp_name); 184 else 185 print_cgroup_std(config, cgrp_name); 186 } 187 } 188 189 static void print_aggr_id_std(struct perf_stat_config *config, 190 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr) 191 { 192 FILE *output = config->output; 193 int idx = config->aggr_mode; 194 char buf[128]; 195 196 switch (config->aggr_mode) { 197 case AGGR_CORE: 198 snprintf(buf, sizeof(buf), "S%d-D%d-C%d", id.socket, id.die, id.core); 199 break; 200 case AGGR_CACHE: 201 snprintf(buf, sizeof(buf), "S%d-D%d-L%d-ID%d", 202 id.socket, id.die, id.cache_lvl, id.cache); 203 break; 204 case AGGR_DIE: 205 snprintf(buf, sizeof(buf), "S%d-D%d", id.socket, id.die); 206 break; 207 case AGGR_SOCKET: 208 snprintf(buf, sizeof(buf), "S%d", id.socket); 209 break; 210 case AGGR_NODE: 211 snprintf(buf, sizeof(buf), "N%d", id.node); 212 break; 213 case AGGR_NONE: 214 if (evsel->percore && !config->percore_show_thread) { 215 snprintf(buf, sizeof(buf), "S%d-D%d-C%d ", 216 id.socket, id.die, id.core); 217 fprintf(output, "%-*s ", 218 aggr_header_lens[AGGR_CORE], buf); 219 } else if (id.cpu.cpu > -1) { 220 fprintf(output, "CPU%-*d ", 221 aggr_header_lens[AGGR_NONE] - 3, id.cpu.cpu); 222 } 223 return; 224 case AGGR_THREAD: 225 fprintf(output, "%*s-%-*d ", 226 COMM_LEN, perf_thread_map__comm(evsel->core.threads, id.thread_idx), 227 PID_LEN, perf_thread_map__pid(evsel->core.threads, id.thread_idx)); 228 return; 229 case AGGR_GLOBAL: 230 case AGGR_UNSET: 231 case AGGR_MAX: 232 default: 233 return; 234 } 235 236 fprintf(output, "%-*s %*d ", aggr_header_lens[idx], buf, 4, aggr_nr); 237 } 238 239 static void print_aggr_id_csv(struct perf_stat_config *config, 240 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr) 241 { 242 FILE *output = config->output; 243 const char *sep = config->csv_sep; 244 245 switch (config->aggr_mode) { 246 case AGGR_CORE: 247 fprintf(output, "S%d-D%d-C%d%s%d%s", 248 id.socket, id.die, id.core, sep, aggr_nr, sep); 249 break; 250 case AGGR_CACHE: 251 fprintf(config->output, "S%d-D%d-L%d-ID%d%s%d%s", 252 id.socket, id.die, id.cache_lvl, id.cache, sep, aggr_nr, sep); 253 break; 254 case AGGR_DIE: 255 fprintf(output, "S%d-D%d%s%d%s", 256 id.socket, id.die, sep, aggr_nr, sep); 257 break; 258 case AGGR_SOCKET: 259 fprintf(output, "S%d%s%d%s", 260 id.socket, sep, aggr_nr, sep); 261 break; 262 case AGGR_NODE: 263 fprintf(output, "N%d%s%d%s", 264 id.node, sep, aggr_nr, sep); 265 break; 266 case AGGR_NONE: 267 if (evsel->percore && !config->percore_show_thread) { 268 fprintf(output, "S%d-D%d-C%d%s", 269 id.socket, id.die, id.core, sep); 270 } else if (id.cpu.cpu > -1) { 271 fprintf(output, "CPU%d%s", 272 id.cpu.cpu, sep); 273 } 274 break; 275 case AGGR_THREAD: 276 fprintf(output, "%s-%d%s", 277 perf_thread_map__comm(evsel->core.threads, id.thread_idx), 278 perf_thread_map__pid(evsel->core.threads, id.thread_idx), 279 sep); 280 break; 281 case AGGR_GLOBAL: 282 case AGGR_UNSET: 283 case AGGR_MAX: 284 default: 285 break; 286 } 287 } 288 289 static void print_aggr_id_json(struct perf_stat_config *config, 290 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr) 291 { 292 FILE *output = config->output; 293 294 switch (config->aggr_mode) { 295 case AGGR_CORE: 296 fprintf(output, "\"core\" : \"S%d-D%d-C%d\", \"aggregate-number\" : %d, ", 297 id.socket, id.die, id.core, aggr_nr); 298 break; 299 case AGGR_CACHE: 300 fprintf(output, "\"cache\" : \"S%d-D%d-L%d-ID%d\", \"aggregate-number\" : %d, ", 301 id.socket, id.die, id.cache_lvl, id.cache, aggr_nr); 302 break; 303 case AGGR_DIE: 304 fprintf(output, "\"die\" : \"S%d-D%d\", \"aggregate-number\" : %d, ", 305 id.socket, id.die, aggr_nr); 306 break; 307 case AGGR_SOCKET: 308 fprintf(output, "\"socket\" : \"S%d\", \"aggregate-number\" : %d, ", 309 id.socket, aggr_nr); 310 break; 311 case AGGR_NODE: 312 fprintf(output, "\"node\" : \"N%d\", \"aggregate-number\" : %d, ", 313 id.node, aggr_nr); 314 break; 315 case AGGR_NONE: 316 if (evsel->percore && !config->percore_show_thread) { 317 fprintf(output, "\"core\" : \"S%d-D%d-C%d\"", 318 id.socket, id.die, id.core); 319 } else if (id.cpu.cpu > -1) { 320 fprintf(output, "\"cpu\" : \"%d\", ", 321 id.cpu.cpu); 322 } 323 break; 324 case AGGR_THREAD: 325 fprintf(output, "\"thread\" : \"%s-%d\", ", 326 perf_thread_map__comm(evsel->core.threads, id.thread_idx), 327 perf_thread_map__pid(evsel->core.threads, id.thread_idx)); 328 break; 329 case AGGR_GLOBAL: 330 case AGGR_UNSET: 331 case AGGR_MAX: 332 default: 333 break; 334 } 335 } 336 337 static void aggr_printout(struct perf_stat_config *config, 338 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr) 339 { 340 if (config->json_output) 341 print_aggr_id_json(config, evsel, id, aggr_nr); 342 else if (config->csv_output) 343 print_aggr_id_csv(config, evsel, id, aggr_nr); 344 else 345 print_aggr_id_std(config, evsel, id, aggr_nr); 346 } 347 348 struct outstate { 349 FILE *fh; 350 bool newline; 351 bool first; 352 const char *prefix; 353 int nfields; 354 int aggr_nr; 355 struct aggr_cpu_id id; 356 struct evsel *evsel; 357 struct cgroup *cgrp; 358 }; 359 360 static void new_line_std(struct perf_stat_config *config __maybe_unused, 361 void *ctx) 362 { 363 struct outstate *os = ctx; 364 365 os->newline = true; 366 } 367 368 static inline void __new_line_std_csv(struct perf_stat_config *config, 369 struct outstate *os) 370 { 371 fputc('\n', os->fh); 372 if (os->prefix) 373 fputs(os->prefix, os->fh); 374 aggr_printout(config, os->evsel, os->id, os->aggr_nr); 375 } 376 377 static inline void __new_line_std(struct outstate *os) 378 { 379 fprintf(os->fh, " "); 380 } 381 382 static void do_new_line_std(struct perf_stat_config *config, 383 struct outstate *os) 384 { 385 __new_line_std_csv(config, os); 386 if (config->aggr_mode == AGGR_NONE) 387 fprintf(os->fh, " "); 388 __new_line_std(os); 389 } 390 391 static void print_metric_std(struct perf_stat_config *config, 392 void *ctx, const char *color, const char *fmt, 393 const char *unit, double val) 394 { 395 struct outstate *os = ctx; 396 FILE *out = os->fh; 397 int n; 398 bool newline = os->newline; 399 400 os->newline = false; 401 402 if (unit == NULL || fmt == NULL) { 403 fprintf(out, "%-*s", METRIC_LEN, ""); 404 return; 405 } 406 407 if (newline) 408 do_new_line_std(config, os); 409 410 n = fprintf(out, " # "); 411 if (color) 412 n += color_fprintf(out, color, fmt, val); 413 else 414 n += fprintf(out, fmt, val); 415 fprintf(out, " %-*s", METRIC_LEN - n - 1, unit); 416 } 417 418 static void new_line_csv(struct perf_stat_config *config, void *ctx) 419 { 420 struct outstate *os = ctx; 421 int i; 422 423 __new_line_std_csv(config, os); 424 for (i = 0; i < os->nfields; i++) 425 fputs(config->csv_sep, os->fh); 426 } 427 428 static void print_metric_csv(struct perf_stat_config *config __maybe_unused, 429 void *ctx, 430 const char *color __maybe_unused, 431 const char *fmt, const char *unit, double val) 432 { 433 struct outstate *os = ctx; 434 FILE *out = os->fh; 435 char buf[64], *vals, *ends; 436 437 if (unit == NULL || fmt == NULL) { 438 fprintf(out, "%s%s", config->csv_sep, config->csv_sep); 439 return; 440 } 441 snprintf(buf, sizeof(buf), fmt, val); 442 ends = vals = skip_spaces(buf); 443 while (isdigit(*ends) || *ends == '.') 444 ends++; 445 *ends = 0; 446 fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, skip_spaces(unit)); 447 } 448 449 static void print_metric_json(struct perf_stat_config *config __maybe_unused, 450 void *ctx, 451 const char *color __maybe_unused, 452 const char *fmt __maybe_unused, 453 const char *unit, double val) 454 { 455 struct outstate *os = ctx; 456 FILE *out = os->fh; 457 458 fprintf(out, "\"metric-value\" : \"%f\", ", val); 459 fprintf(out, "\"metric-unit\" : \"%s\"", unit); 460 if (!config->metric_only) 461 fprintf(out, "}"); 462 } 463 464 static void new_line_json(struct perf_stat_config *config, void *ctx) 465 { 466 struct outstate *os = ctx; 467 468 fputs("\n{", os->fh); 469 if (os->prefix) 470 fprintf(os->fh, "%s", os->prefix); 471 aggr_printout(config, os->evsel, os->id, os->aggr_nr); 472 } 473 474 static void print_metricgroup_header_json(struct perf_stat_config *config, 475 void *ctx, 476 const char *metricgroup_name) 477 { 478 if (!metricgroup_name) 479 return; 480 481 fprintf(config->output, "\"metricgroup\" : \"%s\"}", metricgroup_name); 482 new_line_json(config, ctx); 483 } 484 485 static void print_metricgroup_header_csv(struct perf_stat_config *config, 486 void *ctx, 487 const char *metricgroup_name) 488 { 489 struct outstate *os = ctx; 490 int i; 491 492 if (!metricgroup_name) { 493 /* Leave space for running and enabling */ 494 for (i = 0; i < os->nfields - 2; i++) 495 fputs(config->csv_sep, os->fh); 496 return; 497 } 498 499 for (i = 0; i < os->nfields; i++) 500 fputs(config->csv_sep, os->fh); 501 fprintf(config->output, "%s", metricgroup_name); 502 new_line_csv(config, ctx); 503 } 504 505 static void print_metricgroup_header_std(struct perf_stat_config *config, 506 void *ctx, 507 const char *metricgroup_name) 508 { 509 struct outstate *os = ctx; 510 int n; 511 512 if (!metricgroup_name) { 513 __new_line_std(os); 514 return; 515 } 516 517 n = fprintf(config->output, " %*s", EVNAME_LEN, metricgroup_name); 518 519 fprintf(config->output, "%*s", MGROUP_LEN - n - 1, ""); 520 } 521 522 /* Filter out some columns that don't work well in metrics only mode */ 523 524 static bool valid_only_metric(const char *unit) 525 { 526 if (!unit) 527 return false; 528 if (strstr(unit, "/sec") || 529 strstr(unit, "CPUs utilized")) 530 return false; 531 return true; 532 } 533 534 static const char *fixunit(char *buf, struct evsel *evsel, 535 const char *unit) 536 { 537 if (!strncmp(unit, "of all", 6)) { 538 snprintf(buf, 1024, "%s %s", evsel__name(evsel), 539 unit); 540 return buf; 541 } 542 return unit; 543 } 544 545 static void print_metric_only(struct perf_stat_config *config, 546 void *ctx, const char *color, const char *fmt, 547 const char *unit, double val) 548 { 549 struct outstate *os = ctx; 550 FILE *out = os->fh; 551 char buf[1024], str[1024]; 552 unsigned mlen = config->metric_only_len; 553 554 if (!valid_only_metric(unit)) 555 return; 556 unit = fixunit(buf, os->evsel, unit); 557 if (mlen < strlen(unit)) 558 mlen = strlen(unit) + 1; 559 560 if (color) 561 mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1; 562 563 color_snprintf(str, sizeof(str), color ?: "", fmt, val); 564 fprintf(out, "%*s ", mlen, str); 565 os->first = false; 566 } 567 568 static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused, 569 void *ctx, const char *color __maybe_unused, 570 const char *fmt, 571 const char *unit, double val) 572 { 573 struct outstate *os = ctx; 574 FILE *out = os->fh; 575 char buf[64], *vals, *ends; 576 char tbuf[1024]; 577 578 if (!valid_only_metric(unit)) 579 return; 580 unit = fixunit(tbuf, os->evsel, unit); 581 snprintf(buf, sizeof buf, fmt, val); 582 ends = vals = skip_spaces(buf); 583 while (isdigit(*ends) || *ends == '.') 584 ends++; 585 *ends = 0; 586 fprintf(out, "%s%s", vals, config->csv_sep); 587 os->first = false; 588 } 589 590 static void print_metric_only_json(struct perf_stat_config *config __maybe_unused, 591 void *ctx, const char *color __maybe_unused, 592 const char *fmt, 593 const char *unit, double val) 594 { 595 struct outstate *os = ctx; 596 FILE *out = os->fh; 597 char buf[64], *vals, *ends; 598 char tbuf[1024]; 599 600 if (!valid_only_metric(unit)) 601 return; 602 unit = fixunit(tbuf, os->evsel, unit); 603 snprintf(buf, sizeof(buf), fmt, val); 604 ends = vals = skip_spaces(buf); 605 while (isdigit(*ends) || *ends == '.') 606 ends++; 607 *ends = 0; 608 if (!unit[0] || !vals[0]) 609 return; 610 fprintf(out, "%s\"%s\" : \"%s\"", os->first ? "" : ", ", unit, vals); 611 os->first = false; 612 } 613 614 static void new_line_metric(struct perf_stat_config *config __maybe_unused, 615 void *ctx __maybe_unused) 616 { 617 } 618 619 static void print_metric_header(struct perf_stat_config *config, 620 void *ctx, const char *color __maybe_unused, 621 const char *fmt __maybe_unused, 622 const char *unit, double val __maybe_unused) 623 { 624 struct outstate *os = ctx; 625 char tbuf[1024]; 626 627 /* In case of iostat, print metric header for first root port only */ 628 if (config->iostat_run && 629 os->evsel->priv != os->evsel->evlist->selected->priv) 630 return; 631 632 if (os->evsel->cgrp != os->cgrp) 633 return; 634 635 if (!valid_only_metric(unit)) 636 return; 637 unit = fixunit(tbuf, os->evsel, unit); 638 639 if (config->json_output) 640 return; 641 else if (config->csv_output) 642 fprintf(os->fh, "%s%s", unit, config->csv_sep); 643 else 644 fprintf(os->fh, "%*s ", config->metric_only_len, unit); 645 } 646 647 static void print_counter_value_std(struct perf_stat_config *config, 648 struct evsel *evsel, double avg, bool ok) 649 { 650 FILE *output = config->output; 651 double sc = evsel->scale; 652 const char *fmt; 653 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED; 654 655 if (config->big_num) 656 fmt = floor(sc) != sc ? "%'*.2f " : "%'*.0f "; 657 else 658 fmt = floor(sc) != sc ? "%*.2f " : "%*.0f "; 659 660 if (ok) 661 fprintf(output, fmt, COUNTS_LEN, avg); 662 else 663 fprintf(output, "%*s ", COUNTS_LEN, bad_count); 664 665 if (evsel->unit) 666 fprintf(output, "%-*s ", config->unit_width, evsel->unit); 667 668 fprintf(output, "%-*s", EVNAME_LEN, evsel__name(evsel)); 669 } 670 671 static void print_counter_value_csv(struct perf_stat_config *config, 672 struct evsel *evsel, double avg, bool ok) 673 { 674 FILE *output = config->output; 675 double sc = evsel->scale; 676 const char *sep = config->csv_sep; 677 const char *fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s"; 678 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED; 679 680 if (ok) 681 fprintf(output, fmt, avg, sep); 682 else 683 fprintf(output, "%s%s", bad_count, sep); 684 685 if (evsel->unit) 686 fprintf(output, "%s%s", evsel->unit, sep); 687 688 fprintf(output, "%s", evsel__name(evsel)); 689 } 690 691 static void print_counter_value_json(struct perf_stat_config *config, 692 struct evsel *evsel, double avg, bool ok) 693 { 694 FILE *output = config->output; 695 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED; 696 697 if (ok) 698 fprintf(output, "\"counter-value\" : \"%f\", ", avg); 699 else 700 fprintf(output, "\"counter-value\" : \"%s\", ", bad_count); 701 702 if (evsel->unit) 703 fprintf(output, "\"unit\" : \"%s\", ", evsel->unit); 704 705 fprintf(output, "\"event\" : \"%s\", ", evsel__name(evsel)); 706 } 707 708 static void print_counter_value(struct perf_stat_config *config, 709 struct evsel *evsel, double avg, bool ok) 710 { 711 if (config->json_output) 712 print_counter_value_json(config, evsel, avg, ok); 713 else if (config->csv_output) 714 print_counter_value_csv(config, evsel, avg, ok); 715 else 716 print_counter_value_std(config, evsel, avg, ok); 717 } 718 719 static void abs_printout(struct perf_stat_config *config, 720 struct aggr_cpu_id id, int aggr_nr, 721 struct evsel *evsel, double avg, bool ok) 722 { 723 aggr_printout(config, evsel, id, aggr_nr); 724 print_counter_value(config, evsel, avg, ok); 725 print_cgroup(config, evsel->cgrp); 726 } 727 728 static bool is_mixed_hw_group(struct evsel *counter) 729 { 730 struct evlist *evlist = counter->evlist; 731 u32 pmu_type = counter->core.attr.type; 732 struct evsel *pos; 733 734 if (counter->core.nr_members < 2) 735 return false; 736 737 evlist__for_each_entry(evlist, pos) { 738 /* software events can be part of any hardware group */ 739 if (pos->core.attr.type == PERF_TYPE_SOFTWARE) 740 continue; 741 if (pmu_type == PERF_TYPE_SOFTWARE) { 742 pmu_type = pos->core.attr.type; 743 continue; 744 } 745 if (pmu_type != pos->core.attr.type) 746 return true; 747 } 748 749 return false; 750 } 751 752 static bool evlist__has_hybrid(struct evlist *evlist) 753 { 754 struct evsel *evsel; 755 756 if (perf_pmus__num_core_pmus() == 1) 757 return false; 758 759 evlist__for_each_entry(evlist, evsel) { 760 if (evsel->core.is_pmu_core) 761 return true; 762 } 763 764 return false; 765 } 766 767 static void printout(struct perf_stat_config *config, struct outstate *os, 768 double uval, u64 run, u64 ena, double noise, int aggr_idx) 769 { 770 struct perf_stat_output_ctx out; 771 print_metric_t pm; 772 new_line_t nl; 773 print_metricgroup_header_t pmh; 774 bool ok = true; 775 struct evsel *counter = os->evsel; 776 777 if (config->csv_output) { 778 pm = config->metric_only ? print_metric_only_csv : print_metric_csv; 779 nl = config->metric_only ? new_line_metric : new_line_csv; 780 pmh = print_metricgroup_header_csv; 781 os->nfields = 4 + (counter->cgrp ? 1 : 0); 782 } else if (config->json_output) { 783 pm = config->metric_only ? print_metric_only_json : print_metric_json; 784 nl = config->metric_only ? new_line_metric : new_line_json; 785 pmh = print_metricgroup_header_json; 786 } else { 787 pm = config->metric_only ? print_metric_only : print_metric_std; 788 nl = config->metric_only ? new_line_metric : new_line_std; 789 pmh = print_metricgroup_header_std; 790 } 791 792 if (run == 0 || ena == 0 || counter->counts->scaled == -1) { 793 if (config->metric_only) { 794 pm(config, os, NULL, "", "", 0); 795 return; 796 } 797 798 ok = false; 799 800 if (counter->supported) { 801 if (!evlist__has_hybrid(counter->evlist)) { 802 config->print_free_counters_hint = 1; 803 if (is_mixed_hw_group(counter)) 804 config->print_mixed_hw_group_error = 1; 805 } 806 } 807 } 808 809 out.print_metric = pm; 810 out.new_line = nl; 811 out.print_metricgroup_header = pmh; 812 out.ctx = os; 813 out.force_header = false; 814 815 if (!config->metric_only && !counter->default_metricgroup) { 816 abs_printout(config, os->id, os->aggr_nr, counter, uval, ok); 817 818 print_noise(config, counter, noise, /*before_metric=*/true); 819 print_running(config, run, ena, /*before_metric=*/true); 820 } 821 822 if (ok) { 823 if (!config->metric_only && counter->default_metricgroup) { 824 void *from = NULL; 825 826 aggr_printout(config, os->evsel, os->id, os->aggr_nr); 827 /* Print out all the metricgroup with the same metric event. */ 828 do { 829 int num = 0; 830 831 /* Print out the new line for the next new metricgroup. */ 832 if (from) { 833 if (config->json_output) 834 new_line_json(config, (void *)os); 835 else 836 __new_line_std_csv(config, os); 837 } 838 839 print_noise(config, counter, noise, /*before_metric=*/true); 840 print_running(config, run, ena, /*before_metric=*/true); 841 from = perf_stat__print_shadow_stats_metricgroup(config, counter, aggr_idx, 842 &num, from, &out, 843 &config->metric_events); 844 } while (from != NULL); 845 } else 846 perf_stat__print_shadow_stats(config, counter, uval, aggr_idx, 847 &out, &config->metric_events); 848 } else { 849 pm(config, os, /*color=*/NULL, /*format=*/NULL, /*unit=*/"", /*val=*/0); 850 } 851 852 if (!config->metric_only) { 853 print_noise(config, counter, noise, /*before_metric=*/false); 854 print_running(config, run, ena, /*before_metric=*/false); 855 } 856 } 857 858 static void uniquify_event_name(struct evsel *counter) 859 { 860 char *new_name; 861 char *config; 862 int ret = 0; 863 864 if (counter->uniquified_name || counter->use_config_name || 865 !counter->pmu_name || !strncmp(evsel__name(counter), counter->pmu_name, 866 strlen(counter->pmu_name))) 867 return; 868 869 config = strchr(counter->name, '/'); 870 if (config) { 871 if (asprintf(&new_name, 872 "%s%s", counter->pmu_name, config) > 0) { 873 free(counter->name); 874 counter->name = new_name; 875 } 876 } else { 877 if (evsel__is_hybrid(counter)) { 878 ret = asprintf(&new_name, "%s/%s/", 879 counter->pmu_name, counter->name); 880 } else { 881 ret = asprintf(&new_name, "%s [%s]", 882 counter->name, counter->pmu_name); 883 } 884 885 if (ret) { 886 free(counter->name); 887 counter->name = new_name; 888 } 889 } 890 891 counter->uniquified_name = true; 892 } 893 894 static bool hybrid_uniquify(struct evsel *evsel, struct perf_stat_config *config) 895 { 896 return evsel__is_hybrid(evsel) && !config->hybrid_merge; 897 } 898 899 static void uniquify_counter(struct perf_stat_config *config, struct evsel *counter) 900 { 901 if (config->no_merge || hybrid_uniquify(counter, config)) 902 uniquify_event_name(counter); 903 } 904 905 /** 906 * should_skip_zero_count() - Check if the event should print 0 values. 907 * @config: The perf stat configuration (including aggregation mode). 908 * @counter: The evsel with its associated cpumap. 909 * @id: The aggregation id that is being queried. 910 * 911 * Due to mismatch between the event cpumap or thread-map and the 912 * aggregation mode, sometimes it'd iterate the counter with the map 913 * which does not contain any values. 914 * 915 * For example, uncore events have dedicated CPUs to manage them, 916 * result for other CPUs should be zero and skipped. 917 * 918 * Return: %true if the value should NOT be printed, %false if the value 919 * needs to be printed like "<not counted>" or "<not supported>". 920 */ 921 static bool should_skip_zero_counter(struct perf_stat_config *config, 922 struct evsel *counter, 923 const struct aggr_cpu_id *id) 924 { 925 struct perf_cpu cpu; 926 int idx; 927 928 /* 929 * Skip value 0 when enabling --per-thread globally, 930 * otherwise it will have too many 0 output. 931 */ 932 if (config->aggr_mode == AGGR_THREAD && config->system_wide) 933 return true; 934 /* 935 * Skip value 0 when it's an uncore event and the given aggr id 936 * does not belong to the PMU cpumask. 937 */ 938 if (!counter->pmu || !counter->pmu->is_uncore) 939 return false; 940 941 perf_cpu_map__for_each_cpu(cpu, idx, counter->pmu->cpus) { 942 struct aggr_cpu_id own_id = config->aggr_get_id(config, cpu); 943 944 if (aggr_cpu_id__equal(id, &own_id)) 945 return false; 946 } 947 return true; 948 } 949 950 static void print_counter_aggrdata(struct perf_stat_config *config, 951 struct evsel *counter, int aggr_idx, 952 struct outstate *os) 953 { 954 FILE *output = config->output; 955 u64 ena, run, val; 956 double uval; 957 struct perf_stat_evsel *ps = counter->stats; 958 struct perf_stat_aggr *aggr = &ps->aggr[aggr_idx]; 959 struct aggr_cpu_id id = config->aggr_map->map[aggr_idx]; 960 double avg = aggr->counts.val; 961 bool metric_only = config->metric_only; 962 963 os->id = id; 964 os->aggr_nr = aggr->nr; 965 os->evsel = counter; 966 967 /* Skip already merged uncore/hybrid events */ 968 if (counter->merged_stat) 969 return; 970 971 uniquify_counter(config, counter); 972 973 val = aggr->counts.val; 974 ena = aggr->counts.ena; 975 run = aggr->counts.run; 976 977 if (perf_stat__skip_metric_event(counter, &config->metric_events, ena, run)) 978 return; 979 980 if (val == 0 && should_skip_zero_counter(config, counter, &id)) 981 return; 982 983 if (!metric_only) { 984 if (config->json_output) 985 fputc('{', output); 986 if (os->prefix) 987 fprintf(output, "%s", os->prefix); 988 else if (config->summary && config->csv_output && 989 !config->no_csv_summary && !config->interval) 990 fprintf(output, "%s%s", "summary", config->csv_sep); 991 } 992 993 uval = val * counter->scale; 994 995 printout(config, os, uval, run, ena, avg, aggr_idx); 996 997 if (!metric_only) 998 fputc('\n', output); 999 } 1000 1001 static void print_metric_begin(struct perf_stat_config *config, 1002 struct evlist *evlist, 1003 struct outstate *os, int aggr_idx) 1004 { 1005 struct perf_stat_aggr *aggr; 1006 struct aggr_cpu_id id; 1007 struct evsel *evsel; 1008 1009 os->first = true; 1010 if (!config->metric_only) 1011 return; 1012 1013 if (config->json_output) 1014 fputc('{', config->output); 1015 if (os->prefix) 1016 fprintf(config->output, "%s", os->prefix); 1017 1018 evsel = evlist__first(evlist); 1019 id = config->aggr_map->map[aggr_idx]; 1020 aggr = &evsel->stats->aggr[aggr_idx]; 1021 aggr_printout(config, evsel, id, aggr->nr); 1022 1023 print_cgroup(config, os->cgrp ? : evsel->cgrp); 1024 } 1025 1026 static void print_metric_end(struct perf_stat_config *config, struct outstate *os) 1027 { 1028 FILE *output = config->output; 1029 1030 if (!config->metric_only) 1031 return; 1032 1033 if (config->json_output) { 1034 if (os->first) 1035 fputs("\"metric-value\" : \"none\"", output); 1036 fputc('}', output); 1037 } 1038 fputc('\n', output); 1039 } 1040 1041 static void print_aggr(struct perf_stat_config *config, 1042 struct evlist *evlist, 1043 struct outstate *os) 1044 { 1045 struct evsel *counter; 1046 int aggr_idx; 1047 1048 if (!config->aggr_map || !config->aggr_get_id) 1049 return; 1050 1051 /* 1052 * With metric_only everything is on a single line. 1053 * Without each counter has its own line. 1054 */ 1055 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1056 print_metric_begin(config, evlist, os, aggr_idx); 1057 1058 evlist__for_each_entry(evlist, counter) { 1059 print_counter_aggrdata(config, counter, aggr_idx, os); 1060 } 1061 print_metric_end(config, os); 1062 } 1063 } 1064 1065 static void print_aggr_cgroup(struct perf_stat_config *config, 1066 struct evlist *evlist, 1067 struct outstate *os) 1068 { 1069 struct evsel *counter, *evsel; 1070 int aggr_idx; 1071 1072 if (!config->aggr_map || !config->aggr_get_id) 1073 return; 1074 1075 evlist__for_each_entry(evlist, evsel) { 1076 if (os->cgrp == evsel->cgrp) 1077 continue; 1078 1079 os->cgrp = evsel->cgrp; 1080 1081 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1082 print_metric_begin(config, evlist, os, aggr_idx); 1083 1084 evlist__for_each_entry(evlist, counter) { 1085 if (counter->cgrp != os->cgrp) 1086 continue; 1087 1088 print_counter_aggrdata(config, counter, aggr_idx, os); 1089 } 1090 print_metric_end(config, os); 1091 } 1092 } 1093 } 1094 1095 static void print_counter(struct perf_stat_config *config, 1096 struct evsel *counter, struct outstate *os) 1097 { 1098 int aggr_idx; 1099 1100 /* AGGR_THREAD doesn't have config->aggr_get_id */ 1101 if (!config->aggr_map) 1102 return; 1103 1104 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1105 print_counter_aggrdata(config, counter, aggr_idx, os); 1106 } 1107 } 1108 1109 static void print_no_aggr_metric(struct perf_stat_config *config, 1110 struct evlist *evlist, 1111 struct outstate *os) 1112 { 1113 int all_idx; 1114 struct perf_cpu cpu; 1115 1116 perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) { 1117 struct evsel *counter; 1118 bool first = true; 1119 1120 evlist__for_each_entry(evlist, counter) { 1121 u64 ena, run, val; 1122 double uval; 1123 struct perf_stat_evsel *ps = counter->stats; 1124 int aggr_idx = perf_cpu_map__idx(evsel__cpus(counter), cpu); 1125 1126 if (aggr_idx < 0) 1127 continue; 1128 1129 os->evsel = counter; 1130 os->id = aggr_cpu_id__cpu(cpu, /*data=*/NULL); 1131 if (first) { 1132 print_metric_begin(config, evlist, os, aggr_idx); 1133 first = false; 1134 } 1135 val = ps->aggr[aggr_idx].counts.val; 1136 ena = ps->aggr[aggr_idx].counts.ena; 1137 run = ps->aggr[aggr_idx].counts.run; 1138 1139 uval = val * counter->scale; 1140 printout(config, os, uval, run, ena, 1.0, aggr_idx); 1141 } 1142 if (!first) 1143 print_metric_end(config, os); 1144 } 1145 } 1146 1147 static void print_metric_headers_std(struct perf_stat_config *config, 1148 bool no_indent) 1149 { 1150 fputc(' ', config->output); 1151 1152 if (!no_indent) { 1153 int len = aggr_header_lens[config->aggr_mode]; 1154 1155 if (nr_cgroups || config->cgroup_list) 1156 len += CGROUP_LEN + 1; 1157 1158 fprintf(config->output, "%*s", len, ""); 1159 } 1160 } 1161 1162 static void print_metric_headers_csv(struct perf_stat_config *config, 1163 bool no_indent __maybe_unused) 1164 { 1165 if (config->interval) 1166 fputs("time,", config->output); 1167 if (!config->iostat_run) 1168 fputs(aggr_header_csv[config->aggr_mode], config->output); 1169 } 1170 1171 static void print_metric_headers_json(struct perf_stat_config *config __maybe_unused, 1172 bool no_indent __maybe_unused) 1173 { 1174 } 1175 1176 static void print_metric_headers(struct perf_stat_config *config, 1177 struct evlist *evlist, bool no_indent) 1178 { 1179 struct evsel *counter; 1180 struct outstate os = { 1181 .fh = config->output 1182 }; 1183 struct perf_stat_output_ctx out = { 1184 .ctx = &os, 1185 .print_metric = print_metric_header, 1186 .new_line = new_line_metric, 1187 .force_header = true, 1188 }; 1189 1190 if (config->json_output) 1191 print_metric_headers_json(config, no_indent); 1192 else if (config->csv_output) 1193 print_metric_headers_csv(config, no_indent); 1194 else 1195 print_metric_headers_std(config, no_indent); 1196 1197 if (config->iostat_run) 1198 iostat_print_header_prefix(config); 1199 1200 if (config->cgroup_list) 1201 os.cgrp = evlist__first(evlist)->cgrp; 1202 1203 /* Print metrics headers only */ 1204 evlist__for_each_entry(evlist, counter) { 1205 os.evsel = counter; 1206 1207 perf_stat__print_shadow_stats(config, counter, 0, 1208 0, 1209 &out, 1210 &config->metric_events); 1211 } 1212 1213 if (!config->json_output) 1214 fputc('\n', config->output); 1215 } 1216 1217 static void prepare_interval(struct perf_stat_config *config, 1218 char *prefix, size_t len, struct timespec *ts) 1219 { 1220 if (config->iostat_run) 1221 return; 1222 1223 if (config->json_output) 1224 scnprintf(prefix, len, "\"interval\" : %lu.%09lu, ", 1225 (unsigned long) ts->tv_sec, ts->tv_nsec); 1226 else if (config->csv_output) 1227 scnprintf(prefix, len, "%lu.%09lu%s", 1228 (unsigned long) ts->tv_sec, ts->tv_nsec, config->csv_sep); 1229 else 1230 scnprintf(prefix, len, "%6lu.%09lu ", 1231 (unsigned long) ts->tv_sec, ts->tv_nsec); 1232 } 1233 1234 static void print_header_interval_std(struct perf_stat_config *config, 1235 struct target *_target __maybe_unused, 1236 struct evlist *evlist, 1237 int argc __maybe_unused, 1238 const char **argv __maybe_unused) 1239 { 1240 FILE *output = config->output; 1241 1242 switch (config->aggr_mode) { 1243 case AGGR_NODE: 1244 case AGGR_SOCKET: 1245 case AGGR_DIE: 1246 case AGGR_CACHE: 1247 case AGGR_CORE: 1248 fprintf(output, "#%*s %-*s cpus", 1249 INTERVAL_LEN - 1, "time", 1250 aggr_header_lens[config->aggr_mode], 1251 aggr_header_std[config->aggr_mode]); 1252 break; 1253 case AGGR_NONE: 1254 fprintf(output, "#%*s %-*s", 1255 INTERVAL_LEN - 1, "time", 1256 aggr_header_lens[config->aggr_mode], 1257 aggr_header_std[config->aggr_mode]); 1258 break; 1259 case AGGR_THREAD: 1260 fprintf(output, "#%*s %*s-%-*s", 1261 INTERVAL_LEN - 1, "time", 1262 COMM_LEN, "comm", PID_LEN, "pid"); 1263 break; 1264 case AGGR_GLOBAL: 1265 default: 1266 if (!config->iostat_run) 1267 fprintf(output, "#%*s", 1268 INTERVAL_LEN - 1, "time"); 1269 case AGGR_UNSET: 1270 case AGGR_MAX: 1271 break; 1272 } 1273 1274 if (config->metric_only) 1275 print_metric_headers(config, evlist, true); 1276 else 1277 fprintf(output, " %*s %*s events\n", 1278 COUNTS_LEN, "counts", config->unit_width, "unit"); 1279 } 1280 1281 static void print_header_std(struct perf_stat_config *config, 1282 struct target *_target, struct evlist *evlist, 1283 int argc, const char **argv) 1284 { 1285 FILE *output = config->output; 1286 int i; 1287 1288 fprintf(output, "\n"); 1289 fprintf(output, " Performance counter stats for "); 1290 if (_target->bpf_str) 1291 fprintf(output, "\'BPF program(s) %s", _target->bpf_str); 1292 else if (_target->system_wide) 1293 fprintf(output, "\'system wide"); 1294 else if (_target->cpu_list) 1295 fprintf(output, "\'CPU(s) %s", _target->cpu_list); 1296 else if (!target__has_task(_target)) { 1297 fprintf(output, "\'%s", argv ? argv[0] : "pipe"); 1298 for (i = 1; argv && (i < argc); i++) 1299 fprintf(output, " %s", argv[i]); 1300 } else if (_target->pid) 1301 fprintf(output, "process id \'%s", _target->pid); 1302 else 1303 fprintf(output, "thread id \'%s", _target->tid); 1304 1305 fprintf(output, "\'"); 1306 if (config->run_count > 1) 1307 fprintf(output, " (%d runs)", config->run_count); 1308 fprintf(output, ":\n\n"); 1309 1310 if (config->metric_only) 1311 print_metric_headers(config, evlist, false); 1312 } 1313 1314 static void print_header_csv(struct perf_stat_config *config, 1315 struct target *_target __maybe_unused, 1316 struct evlist *evlist, 1317 int argc __maybe_unused, 1318 const char **argv __maybe_unused) 1319 { 1320 if (config->metric_only) 1321 print_metric_headers(config, evlist, true); 1322 } 1323 static void print_header_json(struct perf_stat_config *config, 1324 struct target *_target __maybe_unused, 1325 struct evlist *evlist, 1326 int argc __maybe_unused, 1327 const char **argv __maybe_unused) 1328 { 1329 if (config->metric_only) 1330 print_metric_headers(config, evlist, true); 1331 } 1332 1333 static void print_header(struct perf_stat_config *config, 1334 struct target *_target, 1335 struct evlist *evlist, 1336 int argc, const char **argv) 1337 { 1338 static int num_print_iv; 1339 1340 fflush(stdout); 1341 1342 if (config->interval_clear) 1343 puts(CONSOLE_CLEAR); 1344 1345 if (num_print_iv == 0 || config->interval_clear) { 1346 if (config->json_output) 1347 print_header_json(config, _target, evlist, argc, argv); 1348 else if (config->csv_output) 1349 print_header_csv(config, _target, evlist, argc, argv); 1350 else if (config->interval) 1351 print_header_interval_std(config, _target, evlist, argc, argv); 1352 else 1353 print_header_std(config, _target, evlist, argc, argv); 1354 } 1355 1356 if (num_print_iv++ == 25) 1357 num_print_iv = 0; 1358 } 1359 1360 static int get_precision(double num) 1361 { 1362 if (num > 1) 1363 return 0; 1364 1365 return lround(ceil(-log10(num))); 1366 } 1367 1368 static void print_table(struct perf_stat_config *config, 1369 FILE *output, int precision, double avg) 1370 { 1371 char tmp[64]; 1372 int idx, indent = 0; 1373 1374 scnprintf(tmp, 64, " %17.*f", precision, avg); 1375 while (tmp[indent] == ' ') 1376 indent++; 1377 1378 fprintf(output, "%*s# Table of individual measurements:\n", indent, ""); 1379 1380 for (idx = 0; idx < config->run_count; idx++) { 1381 double run = (double) config->walltime_run[idx] / NSEC_PER_SEC; 1382 int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5); 1383 1384 fprintf(output, " %17.*f (%+.*f) ", 1385 precision, run, precision, run - avg); 1386 1387 for (h = 0; h < n; h++) 1388 fprintf(output, "#"); 1389 1390 fprintf(output, "\n"); 1391 } 1392 1393 fprintf(output, "\n%*s# Final result:\n", indent, ""); 1394 } 1395 1396 static double timeval2double(struct timeval *t) 1397 { 1398 return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC; 1399 } 1400 1401 static void print_footer(struct perf_stat_config *config) 1402 { 1403 double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC; 1404 FILE *output = config->output; 1405 1406 if (config->interval || config->csv_output || config->json_output) 1407 return; 1408 1409 if (!config->null_run) 1410 fprintf(output, "\n"); 1411 1412 if (config->run_count == 1) { 1413 fprintf(output, " %17.9f seconds time elapsed", avg); 1414 1415 if (config->ru_display) { 1416 double ru_utime = timeval2double(&config->ru_data.ru_utime); 1417 double ru_stime = timeval2double(&config->ru_data.ru_stime); 1418 1419 fprintf(output, "\n\n"); 1420 fprintf(output, " %17.9f seconds user\n", ru_utime); 1421 fprintf(output, " %17.9f seconds sys\n", ru_stime); 1422 } 1423 } else { 1424 double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC; 1425 /* 1426 * Display at most 2 more significant 1427 * digits than the stddev inaccuracy. 1428 */ 1429 int precision = get_precision(sd) + 2; 1430 1431 if (config->walltime_run_table) 1432 print_table(config, output, precision, avg); 1433 1434 fprintf(output, " %17.*f +- %.*f seconds time elapsed", 1435 precision, avg, precision, sd); 1436 1437 print_noise_pct(config, sd, avg, /*before_metric=*/false); 1438 } 1439 fprintf(output, "\n\n"); 1440 1441 if (config->print_free_counters_hint && sysctl__nmi_watchdog_enabled()) 1442 fprintf(output, 1443 "Some events weren't counted. Try disabling the NMI watchdog:\n" 1444 " echo 0 > /proc/sys/kernel/nmi_watchdog\n" 1445 " perf stat ...\n" 1446 " echo 1 > /proc/sys/kernel/nmi_watchdog\n"); 1447 1448 if (config->print_mixed_hw_group_error) 1449 fprintf(output, 1450 "The events in group usually have to be from " 1451 "the same PMU. Try reorganizing the group.\n"); 1452 } 1453 1454 static void print_percore(struct perf_stat_config *config, 1455 struct evsel *counter, struct outstate *os) 1456 { 1457 bool metric_only = config->metric_only; 1458 FILE *output = config->output; 1459 struct cpu_aggr_map *core_map; 1460 int aggr_idx, core_map_len = 0; 1461 1462 if (!config->aggr_map || !config->aggr_get_id) 1463 return; 1464 1465 if (config->percore_show_thread) 1466 return print_counter(config, counter, os); 1467 1468 /* 1469 * core_map will hold the aggr_cpu_id for the cores that have been 1470 * printed so that each core is printed just once. 1471 */ 1472 core_map = cpu_aggr_map__empty_new(config->aggr_map->nr); 1473 if (core_map == NULL) { 1474 fprintf(output, "Cannot allocate per-core aggr map for display\n"); 1475 return; 1476 } 1477 1478 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1479 struct perf_cpu curr_cpu = config->aggr_map->map[aggr_idx].cpu; 1480 struct aggr_cpu_id core_id = aggr_cpu_id__core(curr_cpu, NULL); 1481 bool found = false; 1482 1483 for (int i = 0; i < core_map_len; i++) { 1484 if (aggr_cpu_id__equal(&core_map->map[i], &core_id)) { 1485 found = true; 1486 break; 1487 } 1488 } 1489 if (found) 1490 continue; 1491 1492 print_counter_aggrdata(config, counter, aggr_idx, os); 1493 1494 core_map->map[core_map_len++] = core_id; 1495 } 1496 free(core_map); 1497 1498 if (metric_only) 1499 fputc('\n', output); 1500 } 1501 1502 static void print_cgroup_counter(struct perf_stat_config *config, struct evlist *evlist, 1503 struct outstate *os) 1504 { 1505 struct evsel *counter; 1506 1507 evlist__for_each_entry(evlist, counter) { 1508 if (os->cgrp != counter->cgrp) { 1509 if (os->cgrp != NULL) 1510 print_metric_end(config, os); 1511 1512 os->cgrp = counter->cgrp; 1513 print_metric_begin(config, evlist, os, /*aggr_idx=*/0); 1514 } 1515 1516 print_counter(config, counter, os); 1517 } 1518 if (os->cgrp) 1519 print_metric_end(config, os); 1520 } 1521 1522 void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config, 1523 struct target *_target, struct timespec *ts, 1524 int argc, const char **argv) 1525 { 1526 bool metric_only = config->metric_only; 1527 int interval = config->interval; 1528 struct evsel *counter; 1529 char buf[64]; 1530 struct outstate os = { 1531 .fh = config->output, 1532 .first = true, 1533 }; 1534 1535 if (config->iostat_run) 1536 evlist->selected = evlist__first(evlist); 1537 1538 if (interval) { 1539 os.prefix = buf; 1540 prepare_interval(config, buf, sizeof(buf), ts); 1541 } 1542 1543 print_header(config, _target, evlist, argc, argv); 1544 1545 switch (config->aggr_mode) { 1546 case AGGR_CORE: 1547 case AGGR_CACHE: 1548 case AGGR_DIE: 1549 case AGGR_SOCKET: 1550 case AGGR_NODE: 1551 if (config->cgroup_list) 1552 print_aggr_cgroup(config, evlist, &os); 1553 else 1554 print_aggr(config, evlist, &os); 1555 break; 1556 case AGGR_THREAD: 1557 case AGGR_GLOBAL: 1558 if (config->iostat_run) { 1559 iostat_print_counters(evlist, config, ts, buf, 1560 (iostat_print_counter_t)print_counter, &os); 1561 } else if (config->cgroup_list) { 1562 print_cgroup_counter(config, evlist, &os); 1563 } else { 1564 print_metric_begin(config, evlist, &os, /*aggr_idx=*/0); 1565 evlist__for_each_entry(evlist, counter) { 1566 print_counter(config, counter, &os); 1567 } 1568 print_metric_end(config, &os); 1569 } 1570 break; 1571 case AGGR_NONE: 1572 if (metric_only) 1573 print_no_aggr_metric(config, evlist, &os); 1574 else { 1575 evlist__for_each_entry(evlist, counter) { 1576 if (counter->percore) 1577 print_percore(config, counter, &os); 1578 else 1579 print_counter(config, counter, &os); 1580 } 1581 } 1582 break; 1583 case AGGR_MAX: 1584 case AGGR_UNSET: 1585 default: 1586 break; 1587 } 1588 1589 print_footer(config); 1590 1591 fflush(config->output); 1592 } 1593