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 /* Tool events have the software PMU but are only gathered on 1. */ 936 if (evsel__is_tool(counter)) 937 return true; 938 939 /* 940 * Skip value 0 when it's an uncore event and the given aggr id 941 * does not belong to the PMU cpumask. 942 */ 943 if (!counter->pmu || !counter->pmu->is_uncore) 944 return false; 945 946 perf_cpu_map__for_each_cpu(cpu, idx, counter->pmu->cpus) { 947 struct aggr_cpu_id own_id = config->aggr_get_id(config, cpu); 948 949 if (aggr_cpu_id__equal(id, &own_id)) 950 return false; 951 } 952 return true; 953 } 954 955 static void print_counter_aggrdata(struct perf_stat_config *config, 956 struct evsel *counter, int aggr_idx, 957 struct outstate *os) 958 { 959 FILE *output = config->output; 960 u64 ena, run, val; 961 double uval; 962 struct perf_stat_evsel *ps = counter->stats; 963 struct perf_stat_aggr *aggr = &ps->aggr[aggr_idx]; 964 struct aggr_cpu_id id = config->aggr_map->map[aggr_idx]; 965 double avg = aggr->counts.val; 966 bool metric_only = config->metric_only; 967 968 os->id = id; 969 os->aggr_nr = aggr->nr; 970 os->evsel = counter; 971 972 /* Skip already merged uncore/hybrid events */ 973 if (counter->merged_stat) 974 return; 975 976 uniquify_counter(config, counter); 977 978 val = aggr->counts.val; 979 ena = aggr->counts.ena; 980 run = aggr->counts.run; 981 982 if (perf_stat__skip_metric_event(counter, &config->metric_events, ena, run)) 983 return; 984 985 if (val == 0 && should_skip_zero_counter(config, counter, &id)) 986 return; 987 988 if (!metric_only) { 989 if (config->json_output) 990 fputc('{', output); 991 if (os->prefix) 992 fprintf(output, "%s", os->prefix); 993 else if (config->summary && config->csv_output && 994 !config->no_csv_summary && !config->interval) 995 fprintf(output, "%s%s", "summary", config->csv_sep); 996 } 997 998 uval = val * counter->scale; 999 1000 printout(config, os, uval, run, ena, avg, aggr_idx); 1001 1002 if (!metric_only) 1003 fputc('\n', output); 1004 } 1005 1006 static void print_metric_begin(struct perf_stat_config *config, 1007 struct evlist *evlist, 1008 struct outstate *os, int aggr_idx) 1009 { 1010 struct perf_stat_aggr *aggr; 1011 struct aggr_cpu_id id; 1012 struct evsel *evsel; 1013 1014 os->first = true; 1015 if (!config->metric_only) 1016 return; 1017 1018 if (config->json_output) 1019 fputc('{', config->output); 1020 if (os->prefix) 1021 fprintf(config->output, "%s", os->prefix); 1022 1023 evsel = evlist__first(evlist); 1024 id = config->aggr_map->map[aggr_idx]; 1025 aggr = &evsel->stats->aggr[aggr_idx]; 1026 aggr_printout(config, evsel, id, aggr->nr); 1027 1028 print_cgroup(config, os->cgrp ? : evsel->cgrp); 1029 } 1030 1031 static void print_metric_end(struct perf_stat_config *config, struct outstate *os) 1032 { 1033 FILE *output = config->output; 1034 1035 if (!config->metric_only) 1036 return; 1037 1038 if (config->json_output) { 1039 if (os->first) 1040 fputs("\"metric-value\" : \"none\"", output); 1041 fputc('}', output); 1042 } 1043 fputc('\n', output); 1044 } 1045 1046 static void print_aggr(struct perf_stat_config *config, 1047 struct evlist *evlist, 1048 struct outstate *os) 1049 { 1050 struct evsel *counter; 1051 int aggr_idx; 1052 1053 if (!config->aggr_map || !config->aggr_get_id) 1054 return; 1055 1056 /* 1057 * With metric_only everything is on a single line. 1058 * Without each counter has its own line. 1059 */ 1060 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1061 print_metric_begin(config, evlist, os, aggr_idx); 1062 1063 evlist__for_each_entry(evlist, counter) { 1064 print_counter_aggrdata(config, counter, aggr_idx, os); 1065 } 1066 print_metric_end(config, os); 1067 } 1068 } 1069 1070 static void print_aggr_cgroup(struct perf_stat_config *config, 1071 struct evlist *evlist, 1072 struct outstate *os) 1073 { 1074 struct evsel *counter, *evsel; 1075 int aggr_idx; 1076 1077 if (!config->aggr_map || !config->aggr_get_id) 1078 return; 1079 1080 evlist__for_each_entry(evlist, evsel) { 1081 if (os->cgrp == evsel->cgrp) 1082 continue; 1083 1084 os->cgrp = evsel->cgrp; 1085 1086 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1087 print_metric_begin(config, evlist, os, aggr_idx); 1088 1089 evlist__for_each_entry(evlist, counter) { 1090 if (counter->cgrp != os->cgrp) 1091 continue; 1092 1093 print_counter_aggrdata(config, counter, aggr_idx, os); 1094 } 1095 print_metric_end(config, os); 1096 } 1097 } 1098 } 1099 1100 static void print_counter(struct perf_stat_config *config, 1101 struct evsel *counter, struct outstate *os) 1102 { 1103 int aggr_idx; 1104 1105 /* AGGR_THREAD doesn't have config->aggr_get_id */ 1106 if (!config->aggr_map) 1107 return; 1108 1109 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1110 print_counter_aggrdata(config, counter, aggr_idx, os); 1111 } 1112 } 1113 1114 static void print_no_aggr_metric(struct perf_stat_config *config, 1115 struct evlist *evlist, 1116 struct outstate *os) 1117 { 1118 int all_idx; 1119 struct perf_cpu cpu; 1120 1121 perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) { 1122 struct evsel *counter; 1123 bool first = true; 1124 1125 evlist__for_each_entry(evlist, counter) { 1126 u64 ena, run, val; 1127 double uval; 1128 struct perf_stat_evsel *ps = counter->stats; 1129 int aggr_idx = perf_cpu_map__idx(evsel__cpus(counter), cpu); 1130 1131 if (aggr_idx < 0) 1132 continue; 1133 1134 os->evsel = counter; 1135 os->id = aggr_cpu_id__cpu(cpu, /*data=*/NULL); 1136 if (first) { 1137 print_metric_begin(config, evlist, os, aggr_idx); 1138 first = false; 1139 } 1140 val = ps->aggr[aggr_idx].counts.val; 1141 ena = ps->aggr[aggr_idx].counts.ena; 1142 run = ps->aggr[aggr_idx].counts.run; 1143 1144 uval = val * counter->scale; 1145 printout(config, os, uval, run, ena, 1.0, aggr_idx); 1146 } 1147 if (!first) 1148 print_metric_end(config, os); 1149 } 1150 } 1151 1152 static void print_metric_headers_std(struct perf_stat_config *config, 1153 bool no_indent) 1154 { 1155 fputc(' ', config->output); 1156 1157 if (!no_indent) { 1158 int len = aggr_header_lens[config->aggr_mode]; 1159 1160 if (nr_cgroups || config->cgroup_list) 1161 len += CGROUP_LEN + 1; 1162 1163 fprintf(config->output, "%*s", len, ""); 1164 } 1165 } 1166 1167 static void print_metric_headers_csv(struct perf_stat_config *config, 1168 bool no_indent __maybe_unused) 1169 { 1170 if (config->interval) 1171 fputs("time,", config->output); 1172 if (!config->iostat_run) 1173 fputs(aggr_header_csv[config->aggr_mode], config->output); 1174 } 1175 1176 static void print_metric_headers_json(struct perf_stat_config *config __maybe_unused, 1177 bool no_indent __maybe_unused) 1178 { 1179 } 1180 1181 static void print_metric_headers(struct perf_stat_config *config, 1182 struct evlist *evlist, bool no_indent) 1183 { 1184 struct evsel *counter; 1185 struct outstate os = { 1186 .fh = config->output 1187 }; 1188 struct perf_stat_output_ctx out = { 1189 .ctx = &os, 1190 .print_metric = print_metric_header, 1191 .new_line = new_line_metric, 1192 .force_header = true, 1193 }; 1194 1195 if (config->json_output) 1196 print_metric_headers_json(config, no_indent); 1197 else if (config->csv_output) 1198 print_metric_headers_csv(config, no_indent); 1199 else 1200 print_metric_headers_std(config, no_indent); 1201 1202 if (config->iostat_run) 1203 iostat_print_header_prefix(config); 1204 1205 if (config->cgroup_list) 1206 os.cgrp = evlist__first(evlist)->cgrp; 1207 1208 /* Print metrics headers only */ 1209 evlist__for_each_entry(evlist, counter) { 1210 os.evsel = counter; 1211 1212 perf_stat__print_shadow_stats(config, counter, 0, 1213 0, 1214 &out, 1215 &config->metric_events); 1216 } 1217 1218 if (!config->json_output) 1219 fputc('\n', config->output); 1220 } 1221 1222 static void prepare_interval(struct perf_stat_config *config, 1223 char *prefix, size_t len, struct timespec *ts) 1224 { 1225 if (config->iostat_run) 1226 return; 1227 1228 if (config->json_output) 1229 scnprintf(prefix, len, "\"interval\" : %lu.%09lu, ", 1230 (unsigned long) ts->tv_sec, ts->tv_nsec); 1231 else if (config->csv_output) 1232 scnprintf(prefix, len, "%lu.%09lu%s", 1233 (unsigned long) ts->tv_sec, ts->tv_nsec, config->csv_sep); 1234 else 1235 scnprintf(prefix, len, "%6lu.%09lu ", 1236 (unsigned long) ts->tv_sec, ts->tv_nsec); 1237 } 1238 1239 static void print_header_interval_std(struct perf_stat_config *config, 1240 struct target *_target __maybe_unused, 1241 struct evlist *evlist, 1242 int argc __maybe_unused, 1243 const char **argv __maybe_unused) 1244 { 1245 FILE *output = config->output; 1246 1247 switch (config->aggr_mode) { 1248 case AGGR_NODE: 1249 case AGGR_SOCKET: 1250 case AGGR_DIE: 1251 case AGGR_CACHE: 1252 case AGGR_CORE: 1253 fprintf(output, "#%*s %-*s cpus", 1254 INTERVAL_LEN - 1, "time", 1255 aggr_header_lens[config->aggr_mode], 1256 aggr_header_std[config->aggr_mode]); 1257 break; 1258 case AGGR_NONE: 1259 fprintf(output, "#%*s %-*s", 1260 INTERVAL_LEN - 1, "time", 1261 aggr_header_lens[config->aggr_mode], 1262 aggr_header_std[config->aggr_mode]); 1263 break; 1264 case AGGR_THREAD: 1265 fprintf(output, "#%*s %*s-%-*s", 1266 INTERVAL_LEN - 1, "time", 1267 COMM_LEN, "comm", PID_LEN, "pid"); 1268 break; 1269 case AGGR_GLOBAL: 1270 default: 1271 if (!config->iostat_run) 1272 fprintf(output, "#%*s", 1273 INTERVAL_LEN - 1, "time"); 1274 case AGGR_UNSET: 1275 case AGGR_MAX: 1276 break; 1277 } 1278 1279 if (config->metric_only) 1280 print_metric_headers(config, evlist, true); 1281 else 1282 fprintf(output, " %*s %*s events\n", 1283 COUNTS_LEN, "counts", config->unit_width, "unit"); 1284 } 1285 1286 static void print_header_std(struct perf_stat_config *config, 1287 struct target *_target, struct evlist *evlist, 1288 int argc, const char **argv) 1289 { 1290 FILE *output = config->output; 1291 int i; 1292 1293 fprintf(output, "\n"); 1294 fprintf(output, " Performance counter stats for "); 1295 if (_target->bpf_str) 1296 fprintf(output, "\'BPF program(s) %s", _target->bpf_str); 1297 else if (_target->system_wide) 1298 fprintf(output, "\'system wide"); 1299 else if (_target->cpu_list) 1300 fprintf(output, "\'CPU(s) %s", _target->cpu_list); 1301 else if (!target__has_task(_target)) { 1302 fprintf(output, "\'%s", argv ? argv[0] : "pipe"); 1303 for (i = 1; argv && (i < argc); i++) 1304 fprintf(output, " %s", argv[i]); 1305 } else if (_target->pid) 1306 fprintf(output, "process id \'%s", _target->pid); 1307 else 1308 fprintf(output, "thread id \'%s", _target->tid); 1309 1310 fprintf(output, "\'"); 1311 if (config->run_count > 1) 1312 fprintf(output, " (%d runs)", config->run_count); 1313 fprintf(output, ":\n\n"); 1314 1315 if (config->metric_only) 1316 print_metric_headers(config, evlist, false); 1317 } 1318 1319 static void print_header_csv(struct perf_stat_config *config, 1320 struct target *_target __maybe_unused, 1321 struct evlist *evlist, 1322 int argc __maybe_unused, 1323 const char **argv __maybe_unused) 1324 { 1325 if (config->metric_only) 1326 print_metric_headers(config, evlist, true); 1327 } 1328 static void print_header_json(struct perf_stat_config *config, 1329 struct target *_target __maybe_unused, 1330 struct evlist *evlist, 1331 int argc __maybe_unused, 1332 const char **argv __maybe_unused) 1333 { 1334 if (config->metric_only) 1335 print_metric_headers(config, evlist, true); 1336 } 1337 1338 static void print_header(struct perf_stat_config *config, 1339 struct target *_target, 1340 struct evlist *evlist, 1341 int argc, const char **argv) 1342 { 1343 static int num_print_iv; 1344 1345 fflush(stdout); 1346 1347 if (config->interval_clear) 1348 puts(CONSOLE_CLEAR); 1349 1350 if (num_print_iv == 0 || config->interval_clear) { 1351 if (config->json_output) 1352 print_header_json(config, _target, evlist, argc, argv); 1353 else if (config->csv_output) 1354 print_header_csv(config, _target, evlist, argc, argv); 1355 else if (config->interval) 1356 print_header_interval_std(config, _target, evlist, argc, argv); 1357 else 1358 print_header_std(config, _target, evlist, argc, argv); 1359 } 1360 1361 if (num_print_iv++ == 25) 1362 num_print_iv = 0; 1363 } 1364 1365 static int get_precision(double num) 1366 { 1367 if (num > 1) 1368 return 0; 1369 1370 return lround(ceil(-log10(num))); 1371 } 1372 1373 static void print_table(struct perf_stat_config *config, 1374 FILE *output, int precision, double avg) 1375 { 1376 char tmp[64]; 1377 int idx, indent = 0; 1378 1379 scnprintf(tmp, 64, " %17.*f", precision, avg); 1380 while (tmp[indent] == ' ') 1381 indent++; 1382 1383 fprintf(output, "%*s# Table of individual measurements:\n", indent, ""); 1384 1385 for (idx = 0; idx < config->run_count; idx++) { 1386 double run = (double) config->walltime_run[idx] / NSEC_PER_SEC; 1387 int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5); 1388 1389 fprintf(output, " %17.*f (%+.*f) ", 1390 precision, run, precision, run - avg); 1391 1392 for (h = 0; h < n; h++) 1393 fprintf(output, "#"); 1394 1395 fprintf(output, "\n"); 1396 } 1397 1398 fprintf(output, "\n%*s# Final result:\n", indent, ""); 1399 } 1400 1401 static double timeval2double(struct timeval *t) 1402 { 1403 return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC; 1404 } 1405 1406 static void print_footer(struct perf_stat_config *config) 1407 { 1408 double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC; 1409 FILE *output = config->output; 1410 1411 if (config->interval || config->csv_output || config->json_output) 1412 return; 1413 1414 if (!config->null_run) 1415 fprintf(output, "\n"); 1416 1417 if (config->run_count == 1) { 1418 fprintf(output, " %17.9f seconds time elapsed", avg); 1419 1420 if (config->ru_display) { 1421 double ru_utime = timeval2double(&config->ru_data.ru_utime); 1422 double ru_stime = timeval2double(&config->ru_data.ru_stime); 1423 1424 fprintf(output, "\n\n"); 1425 fprintf(output, " %17.9f seconds user\n", ru_utime); 1426 fprintf(output, " %17.9f seconds sys\n", ru_stime); 1427 } 1428 } else { 1429 double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC; 1430 /* 1431 * Display at most 2 more significant 1432 * digits than the stddev inaccuracy. 1433 */ 1434 int precision = get_precision(sd) + 2; 1435 1436 if (config->walltime_run_table) 1437 print_table(config, output, precision, avg); 1438 1439 fprintf(output, " %17.*f +- %.*f seconds time elapsed", 1440 precision, avg, precision, sd); 1441 1442 print_noise_pct(config, sd, avg, /*before_metric=*/false); 1443 } 1444 fprintf(output, "\n\n"); 1445 1446 if (config->print_free_counters_hint && sysctl__nmi_watchdog_enabled()) 1447 fprintf(output, 1448 "Some events weren't counted. Try disabling the NMI watchdog:\n" 1449 " echo 0 > /proc/sys/kernel/nmi_watchdog\n" 1450 " perf stat ...\n" 1451 " echo 1 > /proc/sys/kernel/nmi_watchdog\n"); 1452 1453 if (config->print_mixed_hw_group_error) 1454 fprintf(output, 1455 "The events in group usually have to be from " 1456 "the same PMU. Try reorganizing the group.\n"); 1457 } 1458 1459 static void print_percore(struct perf_stat_config *config, 1460 struct evsel *counter, struct outstate *os) 1461 { 1462 bool metric_only = config->metric_only; 1463 FILE *output = config->output; 1464 struct cpu_aggr_map *core_map; 1465 int aggr_idx, core_map_len = 0; 1466 1467 if (!config->aggr_map || !config->aggr_get_id) 1468 return; 1469 1470 if (config->percore_show_thread) 1471 return print_counter(config, counter, os); 1472 1473 /* 1474 * core_map will hold the aggr_cpu_id for the cores that have been 1475 * printed so that each core is printed just once. 1476 */ 1477 core_map = cpu_aggr_map__empty_new(config->aggr_map->nr); 1478 if (core_map == NULL) { 1479 fprintf(output, "Cannot allocate per-core aggr map for display\n"); 1480 return; 1481 } 1482 1483 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1484 struct perf_cpu curr_cpu = config->aggr_map->map[aggr_idx].cpu; 1485 struct aggr_cpu_id core_id = aggr_cpu_id__core(curr_cpu, NULL); 1486 bool found = false; 1487 1488 for (int i = 0; i < core_map_len; i++) { 1489 if (aggr_cpu_id__equal(&core_map->map[i], &core_id)) { 1490 found = true; 1491 break; 1492 } 1493 } 1494 if (found) 1495 continue; 1496 1497 print_counter_aggrdata(config, counter, aggr_idx, os); 1498 1499 core_map->map[core_map_len++] = core_id; 1500 } 1501 free(core_map); 1502 1503 if (metric_only) 1504 fputc('\n', output); 1505 } 1506 1507 static void print_cgroup_counter(struct perf_stat_config *config, struct evlist *evlist, 1508 struct outstate *os) 1509 { 1510 struct evsel *counter; 1511 1512 evlist__for_each_entry(evlist, counter) { 1513 if (os->cgrp != counter->cgrp) { 1514 if (os->cgrp != NULL) 1515 print_metric_end(config, os); 1516 1517 os->cgrp = counter->cgrp; 1518 print_metric_begin(config, evlist, os, /*aggr_idx=*/0); 1519 } 1520 1521 print_counter(config, counter, os); 1522 } 1523 if (os->cgrp) 1524 print_metric_end(config, os); 1525 } 1526 1527 void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config, 1528 struct target *_target, struct timespec *ts, 1529 int argc, const char **argv) 1530 { 1531 bool metric_only = config->metric_only; 1532 int interval = config->interval; 1533 struct evsel *counter; 1534 char buf[64]; 1535 struct outstate os = { 1536 .fh = config->output, 1537 .first = true, 1538 }; 1539 1540 if (config->iostat_run) 1541 evlist->selected = evlist__first(evlist); 1542 1543 if (interval) { 1544 os.prefix = buf; 1545 prepare_interval(config, buf, sizeof(buf), ts); 1546 } 1547 1548 print_header(config, _target, evlist, argc, argv); 1549 1550 switch (config->aggr_mode) { 1551 case AGGR_CORE: 1552 case AGGR_CACHE: 1553 case AGGR_DIE: 1554 case AGGR_SOCKET: 1555 case AGGR_NODE: 1556 if (config->cgroup_list) 1557 print_aggr_cgroup(config, evlist, &os); 1558 else 1559 print_aggr(config, evlist, &os); 1560 break; 1561 case AGGR_THREAD: 1562 case AGGR_GLOBAL: 1563 if (config->iostat_run) { 1564 iostat_print_counters(evlist, config, ts, buf, 1565 (iostat_print_counter_t)print_counter, &os); 1566 } else if (config->cgroup_list) { 1567 print_cgroup_counter(config, evlist, &os); 1568 } else { 1569 print_metric_begin(config, evlist, &os, /*aggr_idx=*/0); 1570 evlist__for_each_entry(evlist, counter) { 1571 print_counter(config, counter, &os); 1572 } 1573 print_metric_end(config, &os); 1574 } 1575 break; 1576 case AGGR_NONE: 1577 if (metric_only) 1578 print_no_aggr_metric(config, evlist, &os); 1579 else { 1580 evlist__for_each_entry(evlist, counter) { 1581 if (counter->percore) 1582 print_percore(config, counter, &os); 1583 else 1584 print_counter(config, counter, &os); 1585 } 1586 } 1587 break; 1588 case AGGR_MAX: 1589 case AGGR_UNSET: 1590 default: 1591 break; 1592 } 1593 1594 print_footer(config); 1595 1596 fflush(config->output); 1597 } 1598