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 static void print_counter_aggrdata(struct perf_stat_config *config, 791 struct evsel *counter, int s, 792 struct outstate *os) 793 { 794 FILE *output = config->output; 795 u64 ena, run, val; 796 double uval; 797 struct perf_stat_evsel *ps = counter->stats; 798 struct perf_stat_aggr *aggr = &ps->aggr[s]; 799 struct aggr_cpu_id id = config->aggr_map->map[s]; 800 double avg = aggr->counts.val; 801 bool metric_only = config->metric_only; 802 803 os->id = id; 804 os->nr = aggr->nr; 805 os->evsel = counter; 806 807 /* Skip already merged uncore/hybrid events */ 808 if (counter->merged_stat) 809 return; 810 811 uniquify_counter(config, counter); 812 813 val = aggr->counts.val; 814 ena = aggr->counts.ena; 815 run = aggr->counts.run; 816 817 /* 818 * Skip value 0 when enabling --per-thread globally, otherwise it will 819 * have too many 0 output. 820 */ 821 if (val == 0 && config->aggr_mode == AGGR_THREAD && config->system_wide) 822 return; 823 824 if (!metric_only) { 825 if (config->json_output) 826 fputc('{', output); 827 if (os->prefix) 828 fprintf(output, "%s", os->prefix); 829 else if (config->summary && config->csv_output && 830 !config->no_csv_summary && !config->interval) 831 fprintf(output, "%s%s", "summary", config->csv_sep); 832 } 833 834 uval = val * counter->scale; 835 836 printout(config, os, uval, run, ena, avg, s); 837 838 if (!metric_only) 839 fputc('\n', output); 840 } 841 842 static void print_metric_begin(struct perf_stat_config *config, 843 struct evlist *evlist, 844 struct outstate *os, int aggr_idx) 845 { 846 struct perf_stat_aggr *aggr; 847 struct aggr_cpu_id id; 848 struct evsel *evsel; 849 850 os->first = true; 851 if (!config->metric_only) 852 return; 853 854 if (config->json_output) 855 fputc('{', config->output); 856 if (os->prefix) 857 fprintf(config->output, "%s", os->prefix); 858 859 evsel = evlist__first(evlist); 860 id = config->aggr_map->map[aggr_idx]; 861 aggr = &evsel->stats->aggr[aggr_idx]; 862 aggr_printout(config, evsel, id, aggr->nr); 863 864 print_cgroup(config, os->cgrp ? : evsel->cgrp); 865 } 866 867 static void print_metric_end(struct perf_stat_config *config, struct outstate *os) 868 { 869 FILE *output = config->output; 870 871 if (!config->metric_only) 872 return; 873 874 if (config->json_output) { 875 if (os->first) 876 fputs("\"metric-value\" : \"none\"", output); 877 fputc('}', output); 878 } 879 fputc('\n', output); 880 } 881 882 static void print_aggr(struct perf_stat_config *config, 883 struct evlist *evlist, 884 struct outstate *os) 885 { 886 struct evsel *counter; 887 int s; 888 889 if (!config->aggr_map || !config->aggr_get_id) 890 return; 891 892 /* 893 * With metric_only everything is on a single line. 894 * Without each counter has its own line. 895 */ 896 for (s = 0; s < config->aggr_map->nr; s++) { 897 print_metric_begin(config, evlist, os, s); 898 899 evlist__for_each_entry(evlist, counter) { 900 print_counter_aggrdata(config, counter, s, os); 901 } 902 print_metric_end(config, os); 903 } 904 } 905 906 static void print_aggr_cgroup(struct perf_stat_config *config, 907 struct evlist *evlist, 908 struct outstate *os) 909 { 910 struct evsel *counter, *evsel; 911 int s; 912 913 if (!config->aggr_map || !config->aggr_get_id) 914 return; 915 916 evlist__for_each_entry(evlist, evsel) { 917 if (os->cgrp == evsel->cgrp) 918 continue; 919 920 os->cgrp = evsel->cgrp; 921 922 for (s = 0; s < config->aggr_map->nr; s++) { 923 print_metric_begin(config, evlist, os, s); 924 925 evlist__for_each_entry(evlist, counter) { 926 if (counter->cgrp != os->cgrp) 927 continue; 928 929 print_counter_aggrdata(config, counter, s, os); 930 } 931 print_metric_end(config, os); 932 } 933 } 934 } 935 936 static void print_counter(struct perf_stat_config *config, 937 struct evsel *counter, struct outstate *os) 938 { 939 int s; 940 941 /* AGGR_THREAD doesn't have config->aggr_get_id */ 942 if (!config->aggr_map) 943 return; 944 945 for (s = 0; s < config->aggr_map->nr; s++) { 946 print_counter_aggrdata(config, counter, s, os); 947 } 948 } 949 950 static void print_no_aggr_metric(struct perf_stat_config *config, 951 struct evlist *evlist, 952 struct outstate *os) 953 { 954 int all_idx; 955 struct perf_cpu cpu; 956 957 perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) { 958 struct evsel *counter; 959 bool first = true; 960 961 evlist__for_each_entry(evlist, counter) { 962 u64 ena, run, val; 963 double uval; 964 struct perf_stat_evsel *ps = counter->stats; 965 int counter_idx = perf_cpu_map__idx(evsel__cpus(counter), cpu); 966 967 if (counter_idx < 0) 968 continue; 969 970 os->evsel = counter; 971 os->id = aggr_cpu_id__cpu(cpu, /*data=*/NULL); 972 if (first) { 973 print_metric_begin(config, evlist, os, counter_idx); 974 first = false; 975 } 976 val = ps->aggr[counter_idx].counts.val; 977 ena = ps->aggr[counter_idx].counts.ena; 978 run = ps->aggr[counter_idx].counts.run; 979 980 uval = val * counter->scale; 981 printout(config, os, uval, run, ena, 1.0, counter_idx); 982 } 983 if (!first) 984 print_metric_end(config, os); 985 } 986 } 987 988 static void print_metric_headers_std(struct perf_stat_config *config, 989 bool no_indent) 990 { 991 fputc(' ', config->output); 992 993 if (!no_indent) { 994 int len = aggr_header_lens[config->aggr_mode]; 995 996 if (nr_cgroups || config->cgroup_list) 997 len += CGROUP_LEN + 1; 998 999 fprintf(config->output, "%*s", len, ""); 1000 } 1001 } 1002 1003 static void print_metric_headers_csv(struct perf_stat_config *config, 1004 bool no_indent __maybe_unused) 1005 { 1006 if (config->interval) 1007 fputs("time,", config->output); 1008 if (!config->iostat_run) 1009 fputs(aggr_header_csv[config->aggr_mode], config->output); 1010 } 1011 1012 static void print_metric_headers_json(struct perf_stat_config *config __maybe_unused, 1013 bool no_indent __maybe_unused) 1014 { 1015 } 1016 1017 static void print_metric_headers(struct perf_stat_config *config, 1018 struct evlist *evlist, bool no_indent) 1019 { 1020 struct evsel *counter; 1021 struct outstate os = { 1022 .fh = config->output 1023 }; 1024 struct perf_stat_output_ctx out = { 1025 .ctx = &os, 1026 .print_metric = print_metric_header, 1027 .new_line = new_line_metric, 1028 .force_header = true, 1029 }; 1030 1031 if (config->json_output) 1032 print_metric_headers_json(config, no_indent); 1033 else if (config->csv_output) 1034 print_metric_headers_csv(config, no_indent); 1035 else 1036 print_metric_headers_std(config, no_indent); 1037 1038 if (config->iostat_run) 1039 iostat_print_header_prefix(config); 1040 1041 if (config->cgroup_list) 1042 os.cgrp = evlist__first(evlist)->cgrp; 1043 1044 /* Print metrics headers only */ 1045 evlist__for_each_entry(evlist, counter) { 1046 os.evsel = counter; 1047 1048 perf_stat__print_shadow_stats(config, counter, 0, 1049 0, 1050 &out, 1051 &config->metric_events, 1052 &rt_stat); 1053 } 1054 1055 if (!config->json_output) 1056 fputc('\n', config->output); 1057 } 1058 1059 static void prepare_interval(struct perf_stat_config *config, 1060 char *prefix, size_t len, struct timespec *ts) 1061 { 1062 if (config->iostat_run) 1063 return; 1064 1065 if (config->json_output) 1066 scnprintf(prefix, len, "\"interval\" : %lu.%09lu, ", 1067 (unsigned long) ts->tv_sec, ts->tv_nsec); 1068 else if (config->csv_output) 1069 scnprintf(prefix, len, "%lu.%09lu%s", 1070 (unsigned long) ts->tv_sec, ts->tv_nsec, config->csv_sep); 1071 else 1072 scnprintf(prefix, len, "%6lu.%09lu ", 1073 (unsigned long) ts->tv_sec, ts->tv_nsec); 1074 } 1075 1076 static void print_header_interval_std(struct perf_stat_config *config, 1077 struct target *_target __maybe_unused, 1078 struct evlist *evlist, 1079 int argc __maybe_unused, 1080 const char **argv __maybe_unused) 1081 { 1082 FILE *output = config->output; 1083 1084 switch (config->aggr_mode) { 1085 case AGGR_NODE: 1086 case AGGR_SOCKET: 1087 case AGGR_DIE: 1088 case AGGR_CORE: 1089 fprintf(output, "#%*s %-*s cpus", 1090 INTERVAL_LEN - 1, "time", 1091 aggr_header_lens[config->aggr_mode], 1092 aggr_header_std[config->aggr_mode]); 1093 break; 1094 case AGGR_NONE: 1095 fprintf(output, "#%*s %-*s", 1096 INTERVAL_LEN - 1, "time", 1097 aggr_header_lens[config->aggr_mode], 1098 aggr_header_std[config->aggr_mode]); 1099 break; 1100 case AGGR_THREAD: 1101 fprintf(output, "#%*s %*s-%-*s", 1102 INTERVAL_LEN - 1, "time", 1103 COMM_LEN, "comm", PID_LEN, "pid"); 1104 break; 1105 case AGGR_GLOBAL: 1106 default: 1107 if (!config->iostat_run) 1108 fprintf(output, "#%*s", 1109 INTERVAL_LEN - 1, "time"); 1110 case AGGR_UNSET: 1111 case AGGR_MAX: 1112 break; 1113 } 1114 1115 if (config->metric_only) 1116 print_metric_headers(config, evlist, true); 1117 else 1118 fprintf(output, " %*s %*s events\n", 1119 COUNTS_LEN, "counts", config->unit_width, "unit"); 1120 } 1121 1122 static void print_header_std(struct perf_stat_config *config, 1123 struct target *_target, struct evlist *evlist, 1124 int argc, const char **argv) 1125 { 1126 FILE *output = config->output; 1127 int i; 1128 1129 fprintf(output, "\n"); 1130 fprintf(output, " Performance counter stats for "); 1131 if (_target->bpf_str) 1132 fprintf(output, "\'BPF program(s) %s", _target->bpf_str); 1133 else if (_target->system_wide) 1134 fprintf(output, "\'system wide"); 1135 else if (_target->cpu_list) 1136 fprintf(output, "\'CPU(s) %s", _target->cpu_list); 1137 else if (!target__has_task(_target)) { 1138 fprintf(output, "\'%s", argv ? argv[0] : "pipe"); 1139 for (i = 1; argv && (i < argc); i++) 1140 fprintf(output, " %s", argv[i]); 1141 } else if (_target->pid) 1142 fprintf(output, "process id \'%s", _target->pid); 1143 else 1144 fprintf(output, "thread id \'%s", _target->tid); 1145 1146 fprintf(output, "\'"); 1147 if (config->run_count > 1) 1148 fprintf(output, " (%d runs)", config->run_count); 1149 fprintf(output, ":\n\n"); 1150 1151 if (config->metric_only) 1152 print_metric_headers(config, evlist, false); 1153 } 1154 1155 static void print_header_csv(struct perf_stat_config *config, 1156 struct target *_target __maybe_unused, 1157 struct evlist *evlist, 1158 int argc __maybe_unused, 1159 const char **argv __maybe_unused) 1160 { 1161 if (config->metric_only) 1162 print_metric_headers(config, evlist, true); 1163 } 1164 static void print_header_json(struct perf_stat_config *config, 1165 struct target *_target __maybe_unused, 1166 struct evlist *evlist, 1167 int argc __maybe_unused, 1168 const char **argv __maybe_unused) 1169 { 1170 if (config->metric_only) 1171 print_metric_headers(config, evlist, true); 1172 } 1173 1174 static void print_header(struct perf_stat_config *config, 1175 struct target *_target, 1176 struct evlist *evlist, 1177 int argc, const char **argv) 1178 { 1179 static int num_print_iv; 1180 1181 fflush(stdout); 1182 1183 if (config->interval_clear) 1184 puts(CONSOLE_CLEAR); 1185 1186 if (num_print_iv == 0 || config->interval_clear) { 1187 if (config->json_output) 1188 print_header_json(config, _target, evlist, argc, argv); 1189 else if (config->csv_output) 1190 print_header_csv(config, _target, evlist, argc, argv); 1191 else if (config->interval) 1192 print_header_interval_std(config, _target, evlist, argc, argv); 1193 else 1194 print_header_std(config, _target, evlist, argc, argv); 1195 } 1196 1197 if (num_print_iv++ == 25) 1198 num_print_iv = 0; 1199 } 1200 1201 static int get_precision(double num) 1202 { 1203 if (num > 1) 1204 return 0; 1205 1206 return lround(ceil(-log10(num))); 1207 } 1208 1209 static void print_table(struct perf_stat_config *config, 1210 FILE *output, int precision, double avg) 1211 { 1212 char tmp[64]; 1213 int idx, indent = 0; 1214 1215 scnprintf(tmp, 64, " %17.*f", precision, avg); 1216 while (tmp[indent] == ' ') 1217 indent++; 1218 1219 fprintf(output, "%*s# Table of individual measurements:\n", indent, ""); 1220 1221 for (idx = 0; idx < config->run_count; idx++) { 1222 double run = (double) config->walltime_run[idx] / NSEC_PER_SEC; 1223 int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5); 1224 1225 fprintf(output, " %17.*f (%+.*f) ", 1226 precision, run, precision, run - avg); 1227 1228 for (h = 0; h < n; h++) 1229 fprintf(output, "#"); 1230 1231 fprintf(output, "\n"); 1232 } 1233 1234 fprintf(output, "\n%*s# Final result:\n", indent, ""); 1235 } 1236 1237 static double timeval2double(struct timeval *t) 1238 { 1239 return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC; 1240 } 1241 1242 static void print_footer(struct perf_stat_config *config) 1243 { 1244 double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC; 1245 FILE *output = config->output; 1246 1247 if (config->interval || config->csv_output || config->json_output) 1248 return; 1249 1250 if (!config->null_run) 1251 fprintf(output, "\n"); 1252 1253 if (config->run_count == 1) { 1254 fprintf(output, " %17.9f seconds time elapsed", avg); 1255 1256 if (config->ru_display) { 1257 double ru_utime = timeval2double(&config->ru_data.ru_utime); 1258 double ru_stime = timeval2double(&config->ru_data.ru_stime); 1259 1260 fprintf(output, "\n\n"); 1261 fprintf(output, " %17.9f seconds user\n", ru_utime); 1262 fprintf(output, " %17.9f seconds sys\n", ru_stime); 1263 } 1264 } else { 1265 double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC; 1266 /* 1267 * Display at most 2 more significant 1268 * digits than the stddev inaccuracy. 1269 */ 1270 int precision = get_precision(sd) + 2; 1271 1272 if (config->walltime_run_table) 1273 print_table(config, output, precision, avg); 1274 1275 fprintf(output, " %17.*f +- %.*f seconds time elapsed", 1276 precision, avg, precision, sd); 1277 1278 print_noise_pct(config, sd, avg, /*before_metric=*/false); 1279 } 1280 fprintf(output, "\n\n"); 1281 1282 if (config->print_free_counters_hint && sysctl__nmi_watchdog_enabled()) 1283 fprintf(output, 1284 "Some events weren't counted. Try disabling the NMI watchdog:\n" 1285 " echo 0 > /proc/sys/kernel/nmi_watchdog\n" 1286 " perf stat ...\n" 1287 " echo 1 > /proc/sys/kernel/nmi_watchdog\n"); 1288 1289 if (config->print_mixed_hw_group_error) 1290 fprintf(output, 1291 "The events in group usually have to be from " 1292 "the same PMU. Try reorganizing the group.\n"); 1293 } 1294 1295 static void print_percore(struct perf_stat_config *config, 1296 struct evsel *counter, struct outstate *os) 1297 { 1298 bool metric_only = config->metric_only; 1299 FILE *output = config->output; 1300 struct cpu_aggr_map *core_map; 1301 int s, c, i; 1302 1303 if (!config->aggr_map || !config->aggr_get_id) 1304 return; 1305 1306 if (config->percore_show_thread) 1307 return print_counter(config, counter, os); 1308 1309 core_map = cpu_aggr_map__empty_new(config->aggr_map->nr); 1310 if (core_map == NULL) { 1311 fprintf(output, "Cannot allocate per-core aggr map for display\n"); 1312 return; 1313 } 1314 1315 for (s = 0, c = 0; s < config->aggr_map->nr; s++) { 1316 struct perf_cpu curr_cpu = config->aggr_map->map[s].cpu; 1317 struct aggr_cpu_id core_id = aggr_cpu_id__core(curr_cpu, NULL); 1318 bool found = false; 1319 1320 for (i = 0; i < c; i++) { 1321 if (aggr_cpu_id__equal(&core_map->map[i], &core_id)) { 1322 found = true; 1323 break; 1324 } 1325 } 1326 if (found) 1327 continue; 1328 1329 print_counter_aggrdata(config, counter, s, os); 1330 1331 core_map->map[c++] = core_id; 1332 } 1333 free(core_map); 1334 1335 if (metric_only) 1336 fputc('\n', output); 1337 } 1338 1339 static void print_cgroup_counter(struct perf_stat_config *config, struct evlist *evlist, 1340 struct outstate *os) 1341 { 1342 struct evsel *counter; 1343 1344 evlist__for_each_entry(evlist, counter) { 1345 if (os->cgrp != counter->cgrp) { 1346 if (os->cgrp != NULL) 1347 print_metric_end(config, os); 1348 1349 os->cgrp = counter->cgrp; 1350 print_metric_begin(config, evlist, os, /*aggr_idx=*/0); 1351 } 1352 1353 print_counter(config, counter, os); 1354 } 1355 if (os->cgrp) 1356 print_metric_end(config, os); 1357 } 1358 1359 void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config, 1360 struct target *_target, struct timespec *ts, 1361 int argc, const char **argv) 1362 { 1363 bool metric_only = config->metric_only; 1364 int interval = config->interval; 1365 struct evsel *counter; 1366 char buf[64]; 1367 struct outstate os = { 1368 .fh = config->output, 1369 .first = true, 1370 }; 1371 1372 if (config->iostat_run) 1373 evlist->selected = evlist__first(evlist); 1374 1375 if (interval) { 1376 os.prefix = buf; 1377 prepare_interval(config, buf, sizeof(buf), ts); 1378 } 1379 1380 print_header(config, _target, evlist, argc, argv); 1381 1382 switch (config->aggr_mode) { 1383 case AGGR_CORE: 1384 case AGGR_DIE: 1385 case AGGR_SOCKET: 1386 case AGGR_NODE: 1387 if (config->cgroup_list) 1388 print_aggr_cgroup(config, evlist, &os); 1389 else 1390 print_aggr(config, evlist, &os); 1391 break; 1392 case AGGR_THREAD: 1393 case AGGR_GLOBAL: 1394 if (config->iostat_run) { 1395 iostat_print_counters(evlist, config, ts, buf, 1396 (iostat_print_counter_t)print_counter, &os); 1397 } else if (config->cgroup_list) { 1398 print_cgroup_counter(config, evlist, &os); 1399 } else { 1400 print_metric_begin(config, evlist, &os, /*aggr_idx=*/0); 1401 evlist__for_each_entry(evlist, counter) { 1402 print_counter(config, counter, &os); 1403 } 1404 print_metric_end(config, &os); 1405 } 1406 break; 1407 case AGGR_NONE: 1408 if (metric_only) 1409 print_no_aggr_metric(config, evlist, &os); 1410 else { 1411 evlist__for_each_entry(evlist, counter) { 1412 if (counter->percore) 1413 print_percore(config, counter, &os); 1414 else 1415 print_counter(config, counter, &os); 1416 } 1417 } 1418 break; 1419 case AGGR_MAX: 1420 case AGGR_UNSET: 1421 default: 1422 break; 1423 } 1424 1425 print_footer(config); 1426 1427 fflush(config->output); 1428 } 1429