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 "debug.h" 11 #include "evlist.h" 12 #include "evsel.h" 13 #include "stat.h" 14 #include "top.h" 15 #include "thread_map.h" 16 #include "cpumap.h" 17 #include "string2.h" 18 #include <linux/ctype.h> 19 #include "cgroup.h" 20 #include <api/fs/fs.h> 21 #include "util.h" 22 #include "iostat.h" 23 #include "pmu.h" 24 #include "pmus.h" 25 #include "tool_pmu.h" 26 27 #define CNTR_NOT_SUPPORTED "<not supported>" 28 #define CNTR_NOT_COUNTED "<not counted>" 29 30 #define MGROUP_LEN 50 31 #define METRIC_LEN 38 32 #define EVNAME_LEN 32 33 #define COUNTS_LEN 18 34 #define INTERVAL_LEN 16 35 #define CGROUP_LEN 16 36 #define COMM_LEN 16 37 #define PID_LEN 7 38 #define CPUS_LEN 4 39 40 static int aggr_header_lens[] = { 41 [AGGR_CORE] = 18, 42 [AGGR_CACHE] = 22, 43 [AGGR_CLUSTER] = 20, 44 [AGGR_DIE] = 12, 45 [AGGR_SOCKET] = 6, 46 [AGGR_NODE] = 6, 47 [AGGR_NONE] = 6, 48 [AGGR_THREAD] = 16, 49 [AGGR_GLOBAL] = 0, 50 }; 51 52 static const char *aggr_header_csv[] = { 53 [AGGR_CORE] = "core,ctrs,", 54 [AGGR_CACHE] = "cache,ctrs,", 55 [AGGR_CLUSTER] = "cluster,ctrs,", 56 [AGGR_DIE] = "die,ctrs,", 57 [AGGR_SOCKET] = "socket,ctrs,", 58 [AGGR_NONE] = "cpu,", 59 [AGGR_THREAD] = "comm-pid,", 60 [AGGR_NODE] = "node,", 61 [AGGR_GLOBAL] = "" 62 }; 63 64 static const char *aggr_header_std[] = { 65 [AGGR_CORE] = "core", 66 [AGGR_CACHE] = "cache", 67 [AGGR_CLUSTER] = "cluster", 68 [AGGR_DIE] = "die", 69 [AGGR_SOCKET] = "socket", 70 [AGGR_NONE] = "cpu", 71 [AGGR_THREAD] = "comm-pid", 72 [AGGR_NODE] = "node", 73 [AGGR_GLOBAL] = "" 74 }; 75 76 const char *metric_threshold_classify__color(enum metric_threshold_classify thresh) 77 { 78 const char * const colors[] = { 79 "", /* unknown */ 80 PERF_COLOR_RED, /* bad */ 81 PERF_COLOR_MAGENTA, /* nearly bad */ 82 PERF_COLOR_YELLOW, /* less good */ 83 PERF_COLOR_GREEN, /* good */ 84 }; 85 static_assert(ARRAY_SIZE(colors) - 1 == METRIC_THRESHOLD_GOOD, "missing enum value"); 86 return colors[thresh]; 87 } 88 89 static const char *metric_threshold_classify__str(enum metric_threshold_classify thresh) 90 { 91 const char * const strs[] = { 92 "unknown", 93 "bad", 94 "nearly bad", 95 "less good", 96 "good", 97 }; 98 static_assert(ARRAY_SIZE(strs) - 1 == METRIC_THRESHOLD_GOOD, "missing enum value"); 99 return strs[thresh]; 100 } 101 102 static void print_running_std(struct perf_stat_config *config, u64 run, u64 ena) 103 { 104 if (run != ena) 105 fprintf(config->output, " (%.2f%%)", 100.0 * run / ena); 106 } 107 108 static void print_running_csv(struct perf_stat_config *config, u64 run, u64 ena) 109 { 110 double enabled_percent = 100; 111 112 if (run != ena) 113 enabled_percent = 100 * run / ena; 114 fprintf(config->output, "%s%" PRIu64 "%s%.2f", 115 config->csv_sep, run, config->csv_sep, enabled_percent); 116 } 117 struct outstate { 118 /* Std mode: insert a newline before the next metric */ 119 bool newline; 120 /* JSON mode: track need for comma for a previous field or not */ 121 bool first; 122 /* Num CSV separators remaining to pad out when not all fields are printed */ 123 int csv_col_pad; 124 125 /* 126 * The following don't track state across fields, but are here as a shortcut to 127 * pass data to the print functions. The alternative would be to update the 128 * function signatures of the entire print stack to pass them through. 129 */ 130 /* Place to output to */ 131 FILE * const fh; 132 /* Lines are timestamped in --interval-print mode */ 133 char timestamp[64]; 134 /* Num items aggregated in current line. See struct perf_stat_aggr.nr */ 135 int aggr_nr; 136 /* Core/socket/die etc ID for the current line */ 137 struct aggr_cpu_id id; 138 /* Event for current line */ 139 struct evsel *evsel; 140 /* Cgroup for current line */ 141 struct cgroup *cgrp; 142 }; 143 144 static const char *json_sep(struct outstate *os) 145 { 146 const char *sep = os->first ? "" : ", "; 147 148 os->first = false; 149 return sep; 150 } 151 152 #define json_out(os, format, ...) fprintf((os)->fh, "%s" format, json_sep(os), ##__VA_ARGS__) 153 154 static void print_running_json(struct outstate *os, u64 run, u64 ena) 155 { 156 double enabled_percent = 100; 157 158 if (run != ena) 159 enabled_percent = 100 * run / ena; 160 json_out(os, "\"event-runtime\" : %" PRIu64 ", \"pcnt-running\" : %.2f", 161 run, enabled_percent); 162 } 163 164 static void print_running(struct perf_stat_config *config, struct outstate *os, 165 u64 run, u64 ena, bool before_metric) 166 { 167 if (config->json_output) { 168 if (before_metric) 169 print_running_json(os, run, ena); 170 } else if (config->csv_output) { 171 if (before_metric) 172 print_running_csv(config, run, ena); 173 } else { 174 if (!before_metric) 175 print_running_std(config, run, ena); 176 } 177 } 178 179 static void print_noise_pct_std(struct perf_stat_config *config, 180 double pct) 181 { 182 if (pct) 183 fprintf(config->output, " ( +-%6.2f%% )", pct); 184 } 185 186 static void print_noise_pct_csv(struct perf_stat_config *config, 187 double pct) 188 { 189 fprintf(config->output, "%s%.2f%%", config->csv_sep, pct); 190 } 191 192 static void print_noise_pct_json(struct outstate *os, 193 double pct) 194 { 195 json_out(os, "\"variance\" : %.2f", pct); 196 } 197 198 static void print_noise_pct(struct perf_stat_config *config, struct outstate *os, 199 double total, double avg, bool before_metric) 200 { 201 double pct = rel_stddev_stats(total, avg); 202 203 if (config->json_output) { 204 if (before_metric) 205 print_noise_pct_json(os, pct); 206 } else if (config->csv_output) { 207 if (before_metric) 208 print_noise_pct_csv(config, pct); 209 } else { 210 if (!before_metric) 211 print_noise_pct_std(config, pct); 212 } 213 } 214 215 static void print_noise(struct perf_stat_config *config, struct outstate *os, 216 struct evsel *evsel, double avg, bool before_metric) 217 { 218 struct perf_stat_evsel *ps; 219 220 if (config->run_count == 1) 221 return; 222 223 ps = evsel->stats; 224 print_noise_pct(config, os, stddev_stats(&ps->res_stats), avg, before_metric); 225 } 226 227 static void print_cgroup_std(struct perf_stat_config *config, const char *cgrp_name) 228 { 229 fprintf(config->output, " %-*s", CGROUP_LEN, cgrp_name); 230 } 231 232 static void print_cgroup_csv(struct perf_stat_config *config, const char *cgrp_name) 233 { 234 fprintf(config->output, "%s%s", config->csv_sep, cgrp_name); 235 } 236 237 static void print_cgroup_json(struct outstate *os, const char *cgrp_name) 238 { 239 json_out(os, "\"cgroup\" : \"%s\"", cgrp_name); 240 } 241 242 static void print_cgroup(struct perf_stat_config *config, struct outstate *os, 243 struct cgroup *cgrp) 244 { 245 if (nr_cgroups || config->cgroup_list) { 246 const char *cgrp_name = cgrp ? cgrp->name : ""; 247 248 if (config->json_output) 249 print_cgroup_json(os, cgrp_name); 250 else if (config->csv_output) 251 print_cgroup_csv(config, cgrp_name); 252 else 253 print_cgroup_std(config, cgrp_name); 254 } 255 } 256 257 static void print_aggr_id_std(struct perf_stat_config *config, 258 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr) 259 { 260 FILE *output = config->output; 261 int idx = config->aggr_mode; 262 char buf[128]; 263 264 switch (config->aggr_mode) { 265 case AGGR_CORE: 266 snprintf(buf, sizeof(buf), "S%d-D%d-C%d", id.socket, id.die, id.core); 267 break; 268 case AGGR_CACHE: 269 snprintf(buf, sizeof(buf), "S%d-D%d-L%d-ID%d", 270 id.socket, id.die, id.cache_lvl, id.cache); 271 break; 272 case AGGR_CLUSTER: 273 snprintf(buf, sizeof(buf), "S%d-D%d-CLS%d", id.socket, id.die, id.cluster); 274 break; 275 case AGGR_DIE: 276 snprintf(buf, sizeof(buf), "S%d-D%d", id.socket, id.die); 277 break; 278 case AGGR_SOCKET: 279 snprintf(buf, sizeof(buf), "S%d", id.socket); 280 break; 281 case AGGR_NODE: 282 snprintf(buf, sizeof(buf), "N%d", id.node); 283 break; 284 case AGGR_NONE: 285 if (evsel->percore && !config->percore_show_thread) { 286 snprintf(buf, sizeof(buf), "S%d-D%d-C%d ", 287 id.socket, id.die, id.core); 288 fprintf(output, "%-*s ", 289 aggr_header_lens[AGGR_CORE], buf); 290 } else if (id.cpu.cpu > -1) { 291 fprintf(output, "CPU%-*d ", 292 aggr_header_lens[AGGR_NONE] - 3, id.cpu.cpu); 293 } 294 return; 295 case AGGR_THREAD: 296 fprintf(output, "%*s-%-*d ", 297 COMM_LEN, perf_thread_map__comm(evsel->core.threads, id.thread_idx), 298 PID_LEN, perf_thread_map__pid(evsel->core.threads, id.thread_idx)); 299 return; 300 case AGGR_GLOBAL: 301 case AGGR_UNSET: 302 case AGGR_MAX: 303 default: 304 return; 305 } 306 307 fprintf(output, "%-*s %*d ", aggr_header_lens[idx], buf, /*strlen("ctrs")*/ 4, aggr_nr); 308 } 309 310 static void print_aggr_id_csv(struct perf_stat_config *config, 311 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr) 312 { 313 FILE *output = config->output; 314 const char *sep = config->csv_sep; 315 316 switch (config->aggr_mode) { 317 case AGGR_CORE: 318 fprintf(output, "S%d-D%d-C%d%s%d%s", 319 id.socket, id.die, id.core, sep, aggr_nr, sep); 320 break; 321 case AGGR_CACHE: 322 fprintf(config->output, "S%d-D%d-L%d-ID%d%s%d%s", 323 id.socket, id.die, id.cache_lvl, id.cache, sep, aggr_nr, sep); 324 break; 325 case AGGR_CLUSTER: 326 fprintf(config->output, "S%d-D%d-CLS%d%s%d%s", 327 id.socket, id.die, id.cluster, sep, aggr_nr, sep); 328 break; 329 case AGGR_DIE: 330 fprintf(output, "S%d-D%d%s%d%s", 331 id.socket, id.die, sep, aggr_nr, sep); 332 break; 333 case AGGR_SOCKET: 334 fprintf(output, "S%d%s%d%s", 335 id.socket, sep, aggr_nr, sep); 336 break; 337 case AGGR_NODE: 338 fprintf(output, "N%d%s%d%s", 339 id.node, sep, aggr_nr, sep); 340 break; 341 case AGGR_NONE: 342 if (evsel->percore && !config->percore_show_thread) { 343 fprintf(output, "S%d-D%d-C%d%s", 344 id.socket, id.die, id.core, sep); 345 } else if (id.cpu.cpu > -1) { 346 fprintf(output, "CPU%d%s", 347 id.cpu.cpu, sep); 348 } 349 break; 350 case AGGR_THREAD: 351 fprintf(output, "%s-%d%s", 352 perf_thread_map__comm(evsel->core.threads, id.thread_idx), 353 perf_thread_map__pid(evsel->core.threads, id.thread_idx), 354 sep); 355 break; 356 case AGGR_GLOBAL: 357 case AGGR_UNSET: 358 case AGGR_MAX: 359 default: 360 break; 361 } 362 } 363 364 static void print_aggr_id_json(struct perf_stat_config *config, struct outstate *os, 365 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr) 366 { 367 switch (config->aggr_mode) { 368 case AGGR_CORE: 369 json_out(os, "\"core\" : \"S%d-D%d-C%d\", \"counters\" : %d", 370 id.socket, id.die, id.core, aggr_nr); 371 break; 372 case AGGR_CACHE: 373 json_out(os, "\"cache\" : \"S%d-D%d-L%d-ID%d\", \"counters\" : %d", 374 id.socket, id.die, id.cache_lvl, id.cache, aggr_nr); 375 break; 376 case AGGR_CLUSTER: 377 json_out(os, "\"cluster\" : \"S%d-D%d-CLS%d\", \"counters\" : %d", 378 id.socket, id.die, id.cluster, aggr_nr); 379 break; 380 case AGGR_DIE: 381 json_out(os, "\"die\" : \"S%d-D%d\", \"counters\" : %d", 382 id.socket, id.die, aggr_nr); 383 break; 384 case AGGR_SOCKET: 385 json_out(os, "\"socket\" : \"S%d\", \"counters\" : %d", 386 id.socket, aggr_nr); 387 break; 388 case AGGR_NODE: 389 json_out(os, "\"node\" : \"N%d\", \"counters\" : %d", 390 id.node, aggr_nr); 391 break; 392 case AGGR_NONE: 393 if (evsel->percore && !config->percore_show_thread) { 394 json_out(os, "\"core\" : \"S%d-D%d-C%d\"", 395 id.socket, id.die, id.core); 396 } else if (id.cpu.cpu > -1) { 397 json_out(os, "\"cpu\" : \"%d\"", 398 id.cpu.cpu); 399 } 400 break; 401 case AGGR_THREAD: 402 json_out(os, "\"thread\" : \"%s-%d\"", 403 perf_thread_map__comm(evsel->core.threads, id.thread_idx), 404 perf_thread_map__pid(evsel->core.threads, id.thread_idx)); 405 break; 406 case AGGR_GLOBAL: 407 case AGGR_UNSET: 408 case AGGR_MAX: 409 default: 410 break; 411 } 412 } 413 414 static void aggr_printout(struct perf_stat_config *config, struct outstate *os, 415 struct evsel *evsel, struct aggr_cpu_id id, int aggr_nr) 416 { 417 if (config->json_output) 418 print_aggr_id_json(config, os, evsel, id, aggr_nr); 419 else if (config->csv_output) 420 print_aggr_id_csv(config, evsel, id, aggr_nr); 421 else 422 print_aggr_id_std(config, evsel, id, aggr_nr); 423 } 424 425 static void new_line_std(struct perf_stat_config *config __maybe_unused, 426 void *ctx) 427 { 428 struct outstate *os = ctx; 429 430 os->newline = true; 431 } 432 433 static inline void __new_line_std_csv(struct perf_stat_config *config, 434 struct outstate *os) 435 { 436 fputc('\n', os->fh); 437 if (config->interval) 438 fputs(os->timestamp, os->fh); 439 aggr_printout(config, os, os->evsel, os->id, os->aggr_nr); 440 } 441 442 static inline void __new_line_std(struct perf_stat_config *config, struct outstate *os) 443 { 444 fprintf(os->fh, "%*s", COUNTS_LEN + EVNAME_LEN + config->unit_width + 2, ""); 445 } 446 447 static void do_new_line_std(struct perf_stat_config *config, 448 struct outstate *os) 449 { 450 __new_line_std_csv(config, os); 451 if (config->aggr_mode == AGGR_NONE) 452 fprintf(os->fh, " "); 453 __new_line_std(config, os); 454 } 455 456 static void print_metric_std(struct perf_stat_config *config, 457 void *ctx, enum metric_threshold_classify thresh, 458 const char *fmt, const char *unit, double val) 459 { 460 struct outstate *os = ctx; 461 FILE *out = os->fh; 462 int n; 463 bool newline = os->newline; 464 const char *color = metric_threshold_classify__color(thresh); 465 466 os->newline = false; 467 468 if (unit == NULL || fmt == NULL) { 469 fprintf(out, "%-*s", METRIC_LEN, ""); 470 return; 471 } 472 473 if (newline) 474 do_new_line_std(config, os); 475 476 n = fprintf(out, " # "); 477 if (color) 478 n += color_fprintf(out, color, fmt, val); 479 else 480 n += fprintf(out, fmt, val); 481 fprintf(out, " %-*s", METRIC_LEN - n - 1, unit); 482 } 483 484 static void new_line_csv(struct perf_stat_config *config, void *ctx) 485 { 486 struct outstate *os = ctx; 487 int i; 488 489 __new_line_std_csv(config, os); 490 for (i = 0; i < os->csv_col_pad; i++) 491 fputs(config->csv_sep, os->fh); 492 } 493 494 static void print_metric_csv(struct perf_stat_config *config __maybe_unused, 495 void *ctx, 496 enum metric_threshold_classify thresh __maybe_unused, 497 const char *fmt, const char *unit, double val) 498 { 499 struct outstate *os = ctx; 500 FILE *out = os->fh; 501 char buf[64], *vals, *ends; 502 503 if (unit == NULL || fmt == NULL) { 504 fprintf(out, "%s%s", config->csv_sep, config->csv_sep); 505 return; 506 } 507 snprintf(buf, sizeof(buf), fmt, val); 508 ends = vals = skip_spaces(buf); 509 while (isdigit(*ends) || *ends == '.') 510 ends++; 511 *ends = 0; 512 fprintf(out, "%s%s%s%s", config->csv_sep, vals, config->csv_sep, skip_spaces(unit)); 513 } 514 515 static void print_metric_json(struct perf_stat_config *config __maybe_unused, 516 void *ctx, 517 enum metric_threshold_classify thresh, 518 const char *fmt __maybe_unused, 519 const char *unit, double val) 520 { 521 struct outstate *os = ctx; 522 FILE *out = os->fh; 523 524 if (unit) { 525 json_out(os, "\"metric-value\" : \"%f\", \"metric-unit\" : \"%s\"", val, unit); 526 if (thresh != METRIC_THRESHOLD_UNKNOWN) { 527 json_out(os, "\"metric-threshold\" : \"%s\"", 528 metric_threshold_classify__str(thresh)); 529 } 530 } 531 if (!config->metric_only) 532 fprintf(out, "}"); 533 } 534 535 static void new_line_json(struct perf_stat_config *config, void *ctx) 536 { 537 struct outstate *os = ctx; 538 539 fputs("\n{", os->fh); 540 os->first = true; 541 if (config->interval) 542 json_out(os, "%s", os->timestamp); 543 544 aggr_printout(config, os, os->evsel, os->id, os->aggr_nr); 545 } 546 547 static void print_metricgroup_header_json(struct perf_stat_config *config, 548 void *ctx, 549 const char *metricgroup_name) 550 { 551 if (!metricgroup_name) 552 return; 553 554 json_out((struct outstate *) ctx, "\"metricgroup\" : \"%s\"}", metricgroup_name); 555 new_line_json(config, ctx); 556 } 557 558 static void print_metricgroup_header_csv(struct perf_stat_config *config, 559 void *ctx, 560 const char *metricgroup_name) 561 { 562 struct outstate *os = ctx; 563 int i; 564 565 if (!metricgroup_name) { 566 /* Leave space for running and enabling */ 567 for (i = 0; i < os->csv_col_pad - 2; i++) 568 fputs(config->csv_sep, os->fh); 569 return; 570 } 571 572 for (i = 0; i < os->csv_col_pad; i++) 573 fputs(config->csv_sep, os->fh); 574 fprintf(config->output, "%s", metricgroup_name); 575 new_line_csv(config, ctx); 576 } 577 578 static void print_metricgroup_header_std(struct perf_stat_config *config, 579 void *ctx, 580 const char *metricgroup_name) 581 { 582 struct outstate *os = ctx; 583 int n; 584 585 if (!metricgroup_name) { 586 __new_line_std(config, os); 587 return; 588 } 589 590 n = fprintf(config->output, " %*s", EVNAME_LEN, metricgroup_name); 591 592 fprintf(config->output, "%*s", MGROUP_LEN + config->unit_width + 2 - n, ""); 593 } 594 595 static void print_metric_only(struct perf_stat_config *config, 596 void *ctx, enum metric_threshold_classify thresh, 597 const char *fmt, const char *unit, double val) 598 { 599 struct outstate *os = ctx; 600 FILE *out = os->fh; 601 char str[1024]; 602 unsigned mlen = config->metric_only_len; 603 const char *color = metric_threshold_classify__color(thresh); 604 605 if (!unit) 606 unit = ""; 607 if (mlen < strlen(unit)) 608 mlen = strlen(unit) + 1; 609 610 if (color) 611 mlen += strlen(color) + sizeof(PERF_COLOR_RESET) - 1; 612 613 color_snprintf(str, sizeof(str), color ?: "", fmt ?: "", val); 614 fprintf(out, "%*s ", mlen, str); 615 os->first = false; 616 } 617 618 static void print_metric_only_csv(struct perf_stat_config *config __maybe_unused, 619 void *ctx, 620 enum metric_threshold_classify thresh __maybe_unused, 621 const char *fmt, 622 const char *unit __maybe_unused, double val) 623 { 624 struct outstate *os = ctx; 625 FILE *out = os->fh; 626 char buf[64], *vals, *ends; 627 628 if (!unit) 629 return; 630 631 snprintf(buf, sizeof(buf), fmt ?: "", val); 632 ends = vals = skip_spaces(buf); 633 while (isdigit(*ends) || *ends == '.') 634 ends++; 635 *ends = 0; 636 fprintf(out, "%s%s", vals, config->csv_sep); 637 os->first = false; 638 } 639 640 static void print_metric_only_json(struct perf_stat_config *config __maybe_unused, 641 void *ctx, 642 enum metric_threshold_classify thresh __maybe_unused, 643 const char *fmt, 644 const char *unit, double val) 645 { 646 struct outstate *os = ctx; 647 char buf[64], *ends; 648 const char *vals; 649 650 if (!unit || !unit[0]) 651 return; 652 snprintf(buf, sizeof(buf), fmt ?: "", val); 653 vals = ends = skip_spaces(buf); 654 while (isdigit(*ends) || *ends == '.') 655 ends++; 656 *ends = 0; 657 if (!vals[0]) 658 vals = "none"; 659 json_out(os, "\"%s\" : \"%s\"", unit, vals); 660 } 661 662 static void print_metric_header(struct perf_stat_config *config, 663 void *ctx, 664 enum metric_threshold_classify thresh __maybe_unused, 665 const char *fmt __maybe_unused, 666 const char *unit, double val __maybe_unused) 667 { 668 struct outstate *os = ctx; 669 670 /* In case of iostat, print metric header for first root port only */ 671 if (config->iostat_run && 672 os->evsel->priv != os->evsel->evlist->selected->priv) 673 return; 674 675 if (os->evsel->cgrp != os->cgrp) 676 return; 677 678 if (!unit) 679 return; 680 681 if (config->json_output) 682 return; 683 else if (config->csv_output) 684 fprintf(os->fh, "%s%s", unit, config->csv_sep); 685 else 686 fprintf(os->fh, "%*s ", config->metric_only_len, unit); 687 } 688 689 static void print_counter_value_std(struct perf_stat_config *config, 690 struct evsel *evsel, double avg, bool ok) 691 { 692 FILE *output = config->output; 693 double sc = evsel->scale; 694 const char *fmt; 695 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED; 696 697 if (config->big_num) 698 fmt = floor(sc) != sc ? "%'*.2f " : "%'*.0f "; 699 else 700 fmt = floor(sc) != sc ? "%*.2f " : "%*.0f "; 701 702 if (ok) 703 fprintf(output, fmt, COUNTS_LEN, avg); 704 else 705 fprintf(output, "%*s ", COUNTS_LEN, bad_count); 706 707 if (evsel->unit) 708 fprintf(output, "%-*s ", config->unit_width, evsel->unit); 709 710 fprintf(output, "%-*s", EVNAME_LEN, evsel__name(evsel)); 711 } 712 713 static void print_counter_value_csv(struct perf_stat_config *config, 714 struct evsel *evsel, double avg, bool ok) 715 { 716 FILE *output = config->output; 717 double sc = evsel->scale; 718 const char *sep = config->csv_sep; 719 const char *fmt = floor(sc) != sc ? "%.2f%s" : "%.0f%s"; 720 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED; 721 722 if (ok) 723 fprintf(output, fmt, avg, sep); 724 else 725 fprintf(output, "%s%s", bad_count, sep); 726 727 if (evsel->unit) 728 fprintf(output, "%s%s", evsel->unit, sep); 729 730 fprintf(output, "%s", evsel__name(evsel)); 731 } 732 733 static void print_counter_value_json(struct outstate *os, 734 struct evsel *evsel, double avg, bool ok) 735 { 736 const char *bad_count = evsel->supported ? CNTR_NOT_COUNTED : CNTR_NOT_SUPPORTED; 737 738 if (ok) 739 json_out(os, "\"counter-value\" : \"%f\"", avg); 740 else 741 json_out(os, "\"counter-value\" : \"%s\"", bad_count); 742 743 if (evsel->unit) 744 json_out(os, "\"unit\" : \"%s\"", evsel->unit); 745 746 json_out(os, "\"event\" : \"%s\"", evsel__name(evsel)); 747 } 748 749 static void print_counter_value(struct perf_stat_config *config, struct outstate *os, 750 struct evsel *evsel, double avg, bool ok) 751 { 752 if (config->json_output) 753 print_counter_value_json(os, evsel, avg, ok); 754 else if (config->csv_output) 755 print_counter_value_csv(config, evsel, avg, ok); 756 else 757 print_counter_value_std(config, evsel, avg, ok); 758 } 759 760 static void abs_printout(struct perf_stat_config *config, 761 struct outstate *os, 762 struct aggr_cpu_id id, int aggr_nr, 763 struct evsel *evsel, double avg, bool ok) 764 { 765 aggr_printout(config, os, evsel, id, aggr_nr); 766 print_counter_value(config, os, evsel, avg, ok); 767 print_cgroup(config, os, evsel->cgrp); 768 } 769 770 static bool evlist__has_hybrid_pmus(struct evlist *evlist) 771 { 772 struct evsel *evsel; 773 struct perf_pmu *last_core_pmu = NULL; 774 775 if (perf_pmus__num_core_pmus() == 1) 776 return false; 777 778 evlist__for_each_entry(evlist, evsel) { 779 if (evsel->core.is_pmu_core) { 780 struct perf_pmu *pmu = evsel__find_pmu(evsel); 781 782 if (pmu == last_core_pmu) 783 continue; 784 785 if (last_core_pmu == NULL) { 786 last_core_pmu = pmu; 787 continue; 788 } 789 /* A distinct core PMU. */ 790 return true; 791 } 792 } 793 794 return false; 795 } 796 797 static void printout(struct perf_stat_config *config, struct outstate *os, 798 double uval, u64 run, u64 ena, double noise, int aggr_idx) 799 { 800 struct perf_stat_output_ctx out; 801 print_metric_t pm; 802 new_line_t nl; 803 print_metricgroup_header_t pmh; 804 bool ok = true; 805 struct evsel *counter = os->evsel; 806 807 if (config->csv_output) { 808 pm = config->metric_only ? print_metric_only_csv : print_metric_csv; 809 nl = config->metric_only ? NULL : new_line_csv; 810 pmh = print_metricgroup_header_csv; 811 os->csv_col_pad = 4 + (counter->cgrp ? 1 : 0); 812 } else if (config->json_output) { 813 pm = config->metric_only ? print_metric_only_json : print_metric_json; 814 nl = config->metric_only ? NULL : new_line_json; 815 pmh = print_metricgroup_header_json; 816 } else { 817 pm = config->metric_only ? print_metric_only : print_metric_std; 818 nl = config->metric_only ? NULL : new_line_std; 819 pmh = print_metricgroup_header_std; 820 } 821 822 if (run == 0 || ena == 0 || counter->counts->scaled == -1) { 823 if (config->metric_only) { 824 pm(config, os, METRIC_THRESHOLD_UNKNOWN, /*format=*/NULL, 825 /*unit=*/NULL, /*val=*/0); 826 return; 827 } 828 829 ok = false; 830 831 if (counter->supported) { 832 if (!evlist__has_hybrid_pmus(counter->evlist)) { 833 config->print_free_counters_hint = 1; 834 } 835 } 836 } 837 838 out.print_metric = pm; 839 out.new_line = nl; 840 out.print_metricgroup_header = pmh; 841 out.ctx = os; 842 out.force_header = false; 843 844 if (!config->metric_only && (!counter->default_metricgroup || counter->default_show_events)) { 845 abs_printout(config, os, os->id, os->aggr_nr, counter, uval, ok); 846 847 print_noise(config, os, counter, noise, /*before_metric=*/true); 848 print_running(config, os, run, ena, /*before_metric=*/true); 849 } 850 851 if (ok) { 852 if (!config->metric_only && counter->default_metricgroup && !counter->default_show_events) { 853 void *from = NULL; 854 855 aggr_printout(config, os, os->evsel, os->id, os->aggr_nr); 856 /* Print out all the metricgroup with the same metric event. */ 857 do { 858 int num = 0; 859 860 /* Print out the new line for the next new metricgroup. */ 861 if (from) { 862 if (config->json_output) 863 new_line_json(config, (void *)os); 864 else 865 __new_line_std_csv(config, os); 866 } 867 868 print_noise(config, os, counter, noise, /*before_metric=*/true); 869 print_running(config, os, run, ena, /*before_metric=*/true); 870 from = perf_stat__print_shadow_stats_metricgroup(config, counter, aggr_idx, 871 &num, from, &out); 872 } while (from != NULL); 873 } else { 874 perf_stat__print_shadow_stats(config, counter, aggr_idx, &out); 875 } 876 } else { 877 pm(config, os, METRIC_THRESHOLD_UNKNOWN, /*format=*/NULL, /*unit=*/NULL, /*val=*/0); 878 } 879 880 if (!config->metric_only) { 881 print_noise(config, os, counter, noise, /*before_metric=*/false); 882 print_running(config, os, run, ena, /*before_metric=*/false); 883 } 884 } 885 886 /** 887 * should_skip_zero_count() - Check if the event should print 0 values. 888 * @config: The perf stat configuration (including aggregation mode). 889 * @counter: The evsel with its associated cpumap. 890 * @id: The aggregation id that is being queried. 891 * 892 * Due to mismatch between the event cpumap or thread-map and the 893 * aggregation mode, sometimes it'd iterate the counter with the map 894 * which does not contain any values. 895 * 896 * For example, uncore events have dedicated CPUs to manage them, 897 * result for other CPUs should be zero and skipped. 898 * 899 * Return: %true if the value should NOT be printed, %false if the value 900 * needs to be printed like "<not counted>" or "<not supported>". 901 */ 902 static bool should_skip_zero_counter(struct perf_stat_config *config, 903 struct evsel *counter, 904 const struct aggr_cpu_id *id) 905 { 906 struct perf_cpu cpu; 907 int idx; 908 909 /* 910 * Skip unsupported default events when not verbose. (default events 911 * are all marked 'skippable'). 912 */ 913 if (verbose == 0 && counter->skippable && !counter->supported) 914 return true; 915 916 /* 917 * Skip value 0 when enabling --per-thread globally, 918 * otherwise it will have too many 0 output. 919 */ 920 if (config->aggr_mode == AGGR_THREAD && config->system_wide) 921 return true; 922 923 /* 924 * In per-thread mode the aggr_map and aggr_get_id functions may be 925 * NULL, assume all 0 values should be output in that case. 926 */ 927 if (!config->aggr_map || !config->aggr_get_id) 928 return false; 929 930 /* 931 * Tool events may be gathered on all logical CPUs, for example 932 * system_time, but for many the first index is the only one used, for 933 * example num_cores. Don't skip for the first index. 934 */ 935 if (evsel__is_tool(counter)) { 936 struct aggr_cpu_id own_id = 937 config->aggr_get_id(config, (struct perf_cpu){ .cpu = 0 }); 938 939 return !aggr_cpu_id__equal(id, &own_id); 940 } 941 /* 942 * Skip value 0 when the counter's cpumask doesn't match the given aggr 943 * id. 944 */ 945 946 perf_cpu_map__for_each_cpu(cpu, idx, counter->core.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 (config->aggr_mode != AGGR_NONE) { 974 if (evsel__is_hybrid(counter)) { 975 if (config->hybrid_merge && counter->first_wildcard_match != NULL) 976 return; 977 } else { 978 if (counter->first_wildcard_match != NULL) 979 return; 980 } 981 } 982 983 val = aggr->counts.val; 984 ena = aggr->counts.ena; 985 run = aggr->counts.run; 986 987 if (perf_stat__skip_metric_event(counter, ena, run)) 988 return; 989 990 if (val == 0 && should_skip_zero_counter(config, counter, &id)) 991 return; 992 993 if (!metric_only) { 994 if (config->json_output) { 995 os->first = true; 996 fputc('{', output); 997 } 998 if (config->interval) { 999 if (config->json_output) 1000 json_out(os, "%s", os->timestamp); 1001 else 1002 fprintf(output, "%s", os->timestamp); 1003 } else if (config->summary && config->csv_output && 1004 !config->no_csv_summary) 1005 fprintf(output, "%s%s", "summary", config->csv_sep); 1006 } 1007 1008 uval = val * counter->scale; 1009 1010 printout(config, os, uval, run, ena, avg, aggr_idx); 1011 1012 if (!metric_only) 1013 fputc('\n', output); 1014 } 1015 1016 static void print_metric_begin(struct perf_stat_config *config, 1017 struct evlist *evlist, 1018 struct outstate *os, int aggr_idx) 1019 { 1020 struct perf_stat_aggr *aggr; 1021 struct aggr_cpu_id id; 1022 struct evsel *evsel; 1023 1024 os->first = true; 1025 if (!config->metric_only) 1026 return; 1027 1028 if (config->json_output) 1029 fputc('{', config->output); 1030 1031 if (config->interval) { 1032 if (config->json_output) 1033 json_out(os, "%s", os->timestamp); 1034 else 1035 fprintf(config->output, "%s", os->timestamp); 1036 } 1037 evsel = evlist__first(evlist); 1038 id = config->aggr_map->map[aggr_idx]; 1039 aggr = &evsel->stats->aggr[aggr_idx]; 1040 aggr_printout(config, os, evsel, id, aggr->nr); 1041 1042 print_cgroup(config, os, os->cgrp ? : evsel->cgrp); 1043 } 1044 1045 static void print_metric_end(struct perf_stat_config *config, struct outstate *os) 1046 { 1047 FILE *output = config->output; 1048 1049 if (!config->metric_only) 1050 return; 1051 1052 if (config->json_output) { 1053 if (os->first) 1054 fputs("\"metric-value\" : \"none\"", output); 1055 fputc('}', output); 1056 } 1057 fputc('\n', output); 1058 } 1059 1060 static void print_aggr(struct perf_stat_config *config, 1061 struct evlist *evlist, 1062 struct outstate *os) 1063 { 1064 struct evsel *counter; 1065 int aggr_idx; 1066 1067 if (!config->aggr_map || !config->aggr_get_id) 1068 return; 1069 1070 /* 1071 * With metric_only everything is on a single line. 1072 * Without each counter has its own line. 1073 */ 1074 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1075 print_metric_begin(config, evlist, os, aggr_idx); 1076 1077 evlist__for_each_entry(evlist, counter) { 1078 print_counter_aggrdata(config, counter, aggr_idx, os); 1079 } 1080 print_metric_end(config, os); 1081 } 1082 } 1083 1084 static void print_aggr_cgroup(struct perf_stat_config *config, 1085 struct evlist *evlist, 1086 struct outstate *os) 1087 { 1088 struct evsel *counter, *evsel; 1089 int aggr_idx; 1090 1091 if (!config->aggr_map || !config->aggr_get_id) 1092 return; 1093 1094 evlist__for_each_entry(evlist, evsel) { 1095 if (os->cgrp == evsel->cgrp) 1096 continue; 1097 1098 os->cgrp = evsel->cgrp; 1099 1100 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1101 print_metric_begin(config, evlist, os, aggr_idx); 1102 1103 evlist__for_each_entry(evlist, counter) { 1104 if (counter->cgrp != os->cgrp) 1105 continue; 1106 1107 print_counter_aggrdata(config, counter, aggr_idx, os); 1108 } 1109 print_metric_end(config, os); 1110 } 1111 } 1112 } 1113 1114 static void print_counter(struct perf_stat_config *config, 1115 struct evsel *counter, struct outstate *os) 1116 { 1117 int aggr_idx; 1118 1119 /* AGGR_THREAD doesn't have config->aggr_get_id */ 1120 if (!config->aggr_map) 1121 return; 1122 1123 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1124 print_counter_aggrdata(config, counter, aggr_idx, os); 1125 } 1126 } 1127 1128 static void print_no_aggr_metric(struct perf_stat_config *config, 1129 struct evlist *evlist, 1130 struct outstate *os) 1131 { 1132 int all_idx; 1133 struct perf_cpu cpu; 1134 1135 perf_cpu_map__for_each_cpu(cpu, all_idx, evlist->core.user_requested_cpus) { 1136 struct evsel *counter; 1137 bool first = true; 1138 1139 evlist__for_each_entry(evlist, counter) { 1140 u64 ena, run, val; 1141 double uval; 1142 struct perf_stat_evsel *ps = counter->stats; 1143 int aggr_idx = 0; 1144 1145 if (!perf_cpu_map__has(evsel__cpus(counter), cpu)) 1146 continue; 1147 1148 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1149 if (config->aggr_map->map[aggr_idx].cpu.cpu == cpu.cpu) 1150 break; 1151 } 1152 1153 os->evsel = counter; 1154 os->id = aggr_cpu_id__cpu(cpu, /*data=*/NULL); 1155 if (first) { 1156 print_metric_begin(config, evlist, os, aggr_idx); 1157 first = false; 1158 } 1159 val = ps->aggr[aggr_idx].counts.val; 1160 ena = ps->aggr[aggr_idx].counts.ena; 1161 run = ps->aggr[aggr_idx].counts.run; 1162 1163 uval = val * counter->scale; 1164 printout(config, os, uval, run, ena, 1.0, aggr_idx); 1165 } 1166 if (!first) 1167 print_metric_end(config, os); 1168 } 1169 } 1170 1171 static void print_metric_headers_std(struct perf_stat_config *config, 1172 bool no_indent) 1173 { 1174 fputc(' ', config->output); 1175 1176 if (!no_indent) { 1177 int len = aggr_header_lens[config->aggr_mode]; 1178 1179 if (nr_cgroups || config->cgroup_list) 1180 len += CGROUP_LEN + 1; 1181 1182 fprintf(config->output, "%*s", len, ""); 1183 } 1184 } 1185 1186 static void print_metric_headers_csv(struct perf_stat_config *config, 1187 bool no_indent __maybe_unused) 1188 { 1189 const char *p; 1190 1191 if (config->interval) 1192 fprintf(config->output, "time%s", config->csv_sep); 1193 if (config->iostat_run) 1194 return; 1195 1196 p = aggr_header_csv[config->aggr_mode]; 1197 while (*p) { 1198 if (*p == ',') 1199 fputs(config->csv_sep, config->output); 1200 else 1201 fputc(*p, config->output); 1202 p++; 1203 } 1204 } 1205 1206 static void print_metric_headers_json(struct perf_stat_config *config __maybe_unused, 1207 bool no_indent __maybe_unused) 1208 { 1209 } 1210 1211 static void print_metric_headers(struct perf_stat_config *config, 1212 struct evlist *evlist, bool no_indent) 1213 { 1214 struct evsel *counter; 1215 struct outstate os = { 1216 .fh = config->output 1217 }; 1218 struct perf_stat_output_ctx out = { 1219 .ctx = &os, 1220 .print_metric = print_metric_header, 1221 .new_line = NULL, 1222 .force_header = true, 1223 }; 1224 1225 if (config->json_output) 1226 print_metric_headers_json(config, no_indent); 1227 else if (config->csv_output) 1228 print_metric_headers_csv(config, no_indent); 1229 else 1230 print_metric_headers_std(config, no_indent); 1231 1232 if (config->iostat_run) 1233 iostat_print_header_prefix(config); 1234 1235 if (config->cgroup_list) 1236 os.cgrp = evlist__first(evlist)->cgrp; 1237 1238 /* Print metrics headers only */ 1239 evlist__for_each_entry(evlist, counter) { 1240 if (!config->iostat_run && 1241 config->aggr_mode != AGGR_NONE && counter->metric_leader != counter) 1242 continue; 1243 1244 os.evsel = counter; 1245 1246 perf_stat__print_shadow_stats(config, counter, /*aggr_idx=*/0, &out); 1247 } 1248 1249 if (!config->json_output) 1250 fputc('\n', config->output); 1251 } 1252 1253 static void prepare_timestamp(struct perf_stat_config *config, 1254 struct outstate *os, struct timespec *ts) 1255 { 1256 if (config->iostat_run) 1257 return; 1258 1259 if (config->json_output) 1260 scnprintf(os->timestamp, sizeof(os->timestamp), "\"interval\" : %lu.%09lu", 1261 (unsigned long) ts->tv_sec, ts->tv_nsec); 1262 else if (config->csv_output) 1263 scnprintf(os->timestamp, sizeof(os->timestamp), "%lu.%09lu%s", 1264 (unsigned long) ts->tv_sec, ts->tv_nsec, config->csv_sep); 1265 else 1266 scnprintf(os->timestamp, sizeof(os->timestamp), "%6lu.%09lu ", 1267 (unsigned long) ts->tv_sec, ts->tv_nsec); 1268 } 1269 1270 static void print_header_interval_std(struct perf_stat_config *config, 1271 struct target *_target __maybe_unused, 1272 struct evlist *evlist, 1273 int argc __maybe_unused, 1274 const char **argv __maybe_unused) 1275 { 1276 FILE *output = config->output; 1277 1278 switch (config->aggr_mode) { 1279 case AGGR_NODE: 1280 case AGGR_SOCKET: 1281 case AGGR_DIE: 1282 case AGGR_CLUSTER: 1283 case AGGR_CACHE: 1284 case AGGR_CORE: 1285 fprintf(output, "#%*s %-*s ctrs", 1286 INTERVAL_LEN - 1, "time", 1287 aggr_header_lens[config->aggr_mode], 1288 aggr_header_std[config->aggr_mode]); 1289 break; 1290 case AGGR_NONE: 1291 fprintf(output, "#%*s %-*s", 1292 INTERVAL_LEN - 1, "time", 1293 aggr_header_lens[config->aggr_mode], 1294 aggr_header_std[config->aggr_mode]); 1295 break; 1296 case AGGR_THREAD: 1297 fprintf(output, "#%*s %*s-%-*s", 1298 INTERVAL_LEN - 1, "time", 1299 COMM_LEN, "comm", PID_LEN, "pid"); 1300 break; 1301 case AGGR_GLOBAL: 1302 default: 1303 if (!config->iostat_run) 1304 fprintf(output, "#%*s", 1305 INTERVAL_LEN - 1, "time"); 1306 case AGGR_UNSET: 1307 case AGGR_MAX: 1308 break; 1309 } 1310 1311 if (config->metric_only) 1312 print_metric_headers(config, evlist, true); 1313 else 1314 fprintf(output, " %*s %*s events\n", 1315 COUNTS_LEN, "counts", config->unit_width, "unit"); 1316 } 1317 1318 static void print_header_std(struct perf_stat_config *config, 1319 struct target *_target, struct evlist *evlist, 1320 int argc, const char **argv) 1321 { 1322 FILE *output = config->output; 1323 int i; 1324 1325 fprintf(output, "\n"); 1326 fprintf(output, " Performance counter stats for "); 1327 if (_target->bpf_str) 1328 fprintf(output, "\'BPF program(s) %s", _target->bpf_str); 1329 else if (_target->system_wide) 1330 fprintf(output, "\'system wide"); 1331 else if (_target->cpu_list) 1332 fprintf(output, "\'CPU(s) %s", _target->cpu_list); 1333 else if (!target__has_task(_target)) { 1334 fprintf(output, "\'%s", argv ? argv[0] : "pipe"); 1335 for (i = 1; argv && (i < argc); i++) 1336 fprintf(output, " %s", argv[i]); 1337 } else if (_target->pid) 1338 fprintf(output, "process id \'%s", _target->pid); 1339 else 1340 fprintf(output, "thread id \'%s", _target->tid); 1341 1342 fprintf(output, "\'"); 1343 if (config->run_count > 1) 1344 fprintf(output, " (%d runs)", config->run_count); 1345 fprintf(output, ":\n\n"); 1346 1347 if (config->metric_only) 1348 print_metric_headers(config, evlist, false); 1349 } 1350 1351 static void print_header_csv(struct perf_stat_config *config, 1352 struct target *_target __maybe_unused, 1353 struct evlist *evlist, 1354 int argc __maybe_unused, 1355 const char **argv __maybe_unused) 1356 { 1357 if (config->metric_only) 1358 print_metric_headers(config, evlist, true); 1359 } 1360 static void print_header_json(struct perf_stat_config *config, 1361 struct target *_target __maybe_unused, 1362 struct evlist *evlist, 1363 int argc __maybe_unused, 1364 const char **argv __maybe_unused) 1365 { 1366 if (config->metric_only) 1367 print_metric_headers(config, evlist, true); 1368 } 1369 1370 static void print_header(struct perf_stat_config *config, 1371 struct target *_target, 1372 struct evlist *evlist, 1373 int argc, const char **argv) 1374 { 1375 static int num_print_iv; 1376 1377 fflush(stdout); 1378 1379 if (config->interval_clear) 1380 puts(CONSOLE_CLEAR); 1381 1382 if (num_print_iv == 0 || config->interval_clear) { 1383 if (config->json_output) 1384 print_header_json(config, _target, evlist, argc, argv); 1385 else if (config->csv_output) 1386 print_header_csv(config, _target, evlist, argc, argv); 1387 else if (config->interval) 1388 print_header_interval_std(config, _target, evlist, argc, argv); 1389 else 1390 print_header_std(config, _target, evlist, argc, argv); 1391 } 1392 1393 if (num_print_iv++ == 25) 1394 num_print_iv = 0; 1395 } 1396 1397 static int get_precision(double num) 1398 { 1399 if (num > 1) 1400 return 0; 1401 1402 return lround(ceil(-log10(num))); 1403 } 1404 1405 static void print_table(struct perf_stat_config *config, 1406 FILE *output, int precision, double avg) 1407 { 1408 char tmp[64]; 1409 int idx, indent = 0; 1410 1411 scnprintf(tmp, 64, " %17.*f", precision, avg); 1412 while (tmp[indent] == ' ') 1413 indent++; 1414 1415 fprintf(output, "%*s# Table of individual measurements:\n", indent, ""); 1416 1417 for (idx = 0; idx < config->run_count; idx++) { 1418 double run = (double) config->walltime_run[idx] / NSEC_PER_SEC; 1419 int h, n = 1 + abs((int) (100.0 * (run - avg)/run) / 5); 1420 1421 fprintf(output, " %17.*f (%+.*f) ", 1422 precision, run, precision, run - avg); 1423 1424 for (h = 0; h < n; h++) 1425 fprintf(output, "#"); 1426 1427 fprintf(output, "\n"); 1428 } 1429 1430 fprintf(output, "\n%*s# Final result:\n", indent, ""); 1431 } 1432 1433 static double timeval2double(struct timeval *t) 1434 { 1435 return t->tv_sec + (double) t->tv_usec/USEC_PER_SEC; 1436 } 1437 1438 static void print_footer(struct perf_stat_config *config) 1439 { 1440 double avg = avg_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC; 1441 FILE *output = config->output; 1442 1443 if (config->interval || config->csv_output || config->json_output) 1444 return; 1445 1446 if (!config->null_run) 1447 fprintf(output, "\n"); 1448 1449 if (config->run_count == 1) { 1450 fprintf(output, " %17.9f seconds time elapsed", avg); 1451 1452 if (config->ru_display) { 1453 double ru_utime = timeval2double(&config->ru_data.ru_utime); 1454 double ru_stime = timeval2double(&config->ru_data.ru_stime); 1455 1456 fprintf(output, "\n\n"); 1457 fprintf(output, " %17.9f seconds user\n", ru_utime); 1458 fprintf(output, " %17.9f seconds sys\n", ru_stime); 1459 } 1460 } else { 1461 double sd = stddev_stats(config->walltime_nsecs_stats) / NSEC_PER_SEC; 1462 /* 1463 * Display at most 2 more significant 1464 * digits than the stddev inaccuracy. 1465 */ 1466 int precision = get_precision(sd) + 2; 1467 1468 if (config->walltime_run_table) 1469 print_table(config, output, precision, avg); 1470 1471 fprintf(output, " %17.*f +- %.*f seconds time elapsed", 1472 precision, avg, precision, sd); 1473 1474 print_noise_pct(config, NULL, sd, avg, /*before_metric=*/false); 1475 } 1476 fprintf(output, "\n\n"); 1477 1478 if (config->print_free_counters_hint && sysctl__nmi_watchdog_enabled()) 1479 fprintf(output, 1480 "Some events weren't counted. Try disabling the NMI watchdog:\n" 1481 " echo 0 > /proc/sys/kernel/nmi_watchdog\n" 1482 " perf stat ...\n" 1483 " echo 1 > /proc/sys/kernel/nmi_watchdog\n"); 1484 } 1485 1486 static void print_percore(struct perf_stat_config *config, 1487 struct evsel *counter, struct outstate *os) 1488 { 1489 bool metric_only = config->metric_only; 1490 FILE *output = config->output; 1491 struct cpu_aggr_map *core_map; 1492 int aggr_idx, core_map_len = 0; 1493 1494 if (!config->aggr_map || !config->aggr_get_id) 1495 return; 1496 1497 if (config->percore_show_thread) 1498 return print_counter(config, counter, os); 1499 1500 /* 1501 * core_map will hold the aggr_cpu_id for the cores that have been 1502 * printed so that each core is printed just once. 1503 */ 1504 core_map = cpu_aggr_map__empty_new(config->aggr_map->nr); 1505 if (core_map == NULL) { 1506 fprintf(output, "Cannot allocate per-core aggr map for display\n"); 1507 return; 1508 } 1509 1510 cpu_aggr_map__for_each_idx(aggr_idx, config->aggr_map) { 1511 struct perf_cpu curr_cpu = config->aggr_map->map[aggr_idx].cpu; 1512 struct aggr_cpu_id core_id = aggr_cpu_id__core(curr_cpu, NULL); 1513 bool found = false; 1514 1515 for (int i = 0; i < core_map_len; i++) { 1516 if (aggr_cpu_id__equal(&core_map->map[i], &core_id)) { 1517 found = true; 1518 break; 1519 } 1520 } 1521 if (found) 1522 continue; 1523 1524 print_counter_aggrdata(config, counter, aggr_idx, os); 1525 1526 core_map->map[core_map_len++] = core_id; 1527 } 1528 free(core_map); 1529 1530 if (metric_only) 1531 fputc('\n', output); 1532 } 1533 1534 static void print_cgroup_counter(struct perf_stat_config *config, struct evlist *evlist, 1535 struct outstate *os) 1536 { 1537 struct evsel *counter; 1538 1539 evlist__for_each_entry(evlist, counter) { 1540 if (os->cgrp != counter->cgrp) { 1541 if (os->cgrp != NULL) 1542 print_metric_end(config, os); 1543 1544 os->cgrp = counter->cgrp; 1545 print_metric_begin(config, evlist, os, /*aggr_idx=*/0); 1546 } 1547 1548 print_counter(config, counter, os); 1549 } 1550 if (os->cgrp) 1551 print_metric_end(config, os); 1552 } 1553 1554 void evlist__print_counters(struct evlist *evlist, struct perf_stat_config *config, 1555 struct target *_target, struct timespec *ts, 1556 int argc, const char **argv) 1557 { 1558 bool metric_only = config->metric_only; 1559 struct evsel *counter; 1560 struct outstate os = { 1561 .fh = config->output, 1562 .first = true, 1563 }; 1564 1565 evlist__uniquify_evsel_names(evlist, config); 1566 1567 if (config->iostat_run) 1568 evlist->selected = evlist__first(evlist); 1569 1570 if (config->interval) 1571 prepare_timestamp(config, &os, ts); 1572 1573 print_header(config, _target, evlist, argc, argv); 1574 1575 switch (config->aggr_mode) { 1576 case AGGR_CORE: 1577 case AGGR_CACHE: 1578 case AGGR_CLUSTER: 1579 case AGGR_DIE: 1580 case AGGR_SOCKET: 1581 case AGGR_NODE: 1582 if (config->cgroup_list) 1583 print_aggr_cgroup(config, evlist, &os); 1584 else 1585 print_aggr(config, evlist, &os); 1586 break; 1587 case AGGR_THREAD: 1588 case AGGR_GLOBAL: 1589 if (config->iostat_run) { 1590 iostat_print_counters(evlist, config, ts, os.timestamp, 1591 (iostat_print_counter_t)print_counter, &os); 1592 } else if (config->cgroup_list) { 1593 print_cgroup_counter(config, evlist, &os); 1594 } else { 1595 print_metric_begin(config, evlist, &os, /*aggr_idx=*/0); 1596 evlist__for_each_entry(evlist, counter) { 1597 print_counter(config, counter, &os); 1598 } 1599 print_metric_end(config, &os); 1600 } 1601 break; 1602 case AGGR_NONE: 1603 if (metric_only) 1604 print_no_aggr_metric(config, evlist, &os); 1605 else { 1606 evlist__for_each_entry(evlist, counter) { 1607 if (counter->percore) 1608 print_percore(config, counter, &os); 1609 else 1610 print_counter(config, counter, &os); 1611 } 1612 } 1613 break; 1614 case AGGR_MAX: 1615 case AGGR_UNSET: 1616 default: 1617 break; 1618 } 1619 1620 print_footer(config); 1621 1622 fflush(config->output); 1623 } 1624