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