1 #include <math.h> 2 #include <linux/compiler.h> 3 4 #include "../util/hist.h" 5 #include "../util/util.h" 6 #include "../util/sort.h" 7 #include "../util/evsel.h" 8 9 /* hist period print (hpp) functions */ 10 11 #define hpp__call_print_fn(hpp, fn, fmt, ...) \ 12 ({ \ 13 int __ret = fn(hpp, fmt, ##__VA_ARGS__); \ 14 advance_hpp(hpp, __ret); \ 15 __ret; \ 16 }) 17 18 static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he, 19 hpp_field_fn get_field, const char *fmt, int len, 20 hpp_snprint_fn print_fn, bool fmt_percent) 21 { 22 int ret; 23 struct hists *hists = he->hists; 24 struct perf_evsel *evsel = hists_to_evsel(hists); 25 char *buf = hpp->buf; 26 size_t size = hpp->size; 27 28 if (fmt_percent) { 29 double percent = 0.0; 30 u64 total = hists__total_period(hists); 31 32 if (total) 33 percent = 100.0 * get_field(he) / total; 34 35 ret = hpp__call_print_fn(hpp, print_fn, fmt, len, percent); 36 } else 37 ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he)); 38 39 if (perf_evsel__is_group_event(evsel)) { 40 int prev_idx, idx_delta; 41 struct hist_entry *pair; 42 int nr_members = evsel->nr_members; 43 44 prev_idx = perf_evsel__group_idx(evsel); 45 46 list_for_each_entry(pair, &he->pairs.head, pairs.node) { 47 u64 period = get_field(pair); 48 u64 total = hists__total_period(pair->hists); 49 50 if (!total) 51 continue; 52 53 evsel = hists_to_evsel(pair->hists); 54 idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1; 55 56 while (idx_delta--) { 57 /* 58 * zero-fill group members in the middle which 59 * have no sample 60 */ 61 if (fmt_percent) { 62 ret += hpp__call_print_fn(hpp, print_fn, 63 fmt, len, 0.0); 64 } else { 65 ret += hpp__call_print_fn(hpp, print_fn, 66 fmt, len, 0ULL); 67 } 68 } 69 70 if (fmt_percent) { 71 ret += hpp__call_print_fn(hpp, print_fn, fmt, len, 72 100.0 * period / total); 73 } else { 74 ret += hpp__call_print_fn(hpp, print_fn, fmt, 75 len, period); 76 } 77 78 prev_idx = perf_evsel__group_idx(evsel); 79 } 80 81 idx_delta = nr_members - prev_idx - 1; 82 83 while (idx_delta--) { 84 /* 85 * zero-fill group members at last which have no sample 86 */ 87 if (fmt_percent) { 88 ret += hpp__call_print_fn(hpp, print_fn, 89 fmt, len, 0.0); 90 } else { 91 ret += hpp__call_print_fn(hpp, print_fn, 92 fmt, len, 0ULL); 93 } 94 } 95 } 96 97 /* 98 * Restore original buf and size as it's where caller expects 99 * the result will be saved. 100 */ 101 hpp->buf = buf; 102 hpp->size = size; 103 104 return ret; 105 } 106 107 int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, 108 struct hist_entry *he, hpp_field_fn get_field, 109 const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent) 110 { 111 int len = fmt->user_len ?: fmt->len; 112 113 if (symbol_conf.field_sep) { 114 return __hpp__fmt(hpp, he, get_field, fmtstr, 1, 115 print_fn, fmt_percent); 116 } 117 118 if (fmt_percent) 119 len -= 2; /* 2 for a space and a % sign */ 120 else 121 len -= 1; 122 123 return __hpp__fmt(hpp, he, get_field, fmtstr, len, print_fn, fmt_percent); 124 } 125 126 int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, 127 struct hist_entry *he, hpp_field_fn get_field, 128 const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent) 129 { 130 if (!symbol_conf.cumulate_callchain) { 131 int len = fmt->user_len ?: fmt->len; 132 return snprintf(hpp->buf, hpp->size, " %*s", len - 1, "N/A"); 133 } 134 135 return hpp__fmt(fmt, hpp, he, get_field, fmtstr, print_fn, fmt_percent); 136 } 137 138 static int field_cmp(u64 field_a, u64 field_b) 139 { 140 if (field_a > field_b) 141 return 1; 142 if (field_a < field_b) 143 return -1; 144 return 0; 145 } 146 147 static int __hpp__sort(struct hist_entry *a, struct hist_entry *b, 148 hpp_field_fn get_field) 149 { 150 s64 ret; 151 int i, nr_members; 152 struct perf_evsel *evsel; 153 struct hist_entry *pair; 154 u64 *fields_a, *fields_b; 155 156 ret = field_cmp(get_field(a), get_field(b)); 157 if (ret || !symbol_conf.event_group) 158 return ret; 159 160 evsel = hists_to_evsel(a->hists); 161 if (!perf_evsel__is_group_event(evsel)) 162 return ret; 163 164 nr_members = evsel->nr_members; 165 fields_a = calloc(nr_members, sizeof(*fields_a)); 166 fields_b = calloc(nr_members, sizeof(*fields_b)); 167 168 if (!fields_a || !fields_b) 169 goto out; 170 171 list_for_each_entry(pair, &a->pairs.head, pairs.node) { 172 evsel = hists_to_evsel(pair->hists); 173 fields_a[perf_evsel__group_idx(evsel)] = get_field(pair); 174 } 175 176 list_for_each_entry(pair, &b->pairs.head, pairs.node) { 177 evsel = hists_to_evsel(pair->hists); 178 fields_b[perf_evsel__group_idx(evsel)] = get_field(pair); 179 } 180 181 for (i = 1; i < nr_members; i++) { 182 ret = field_cmp(fields_a[i], fields_b[i]); 183 if (ret) 184 break; 185 } 186 187 out: 188 free(fields_a); 189 free(fields_b); 190 191 return ret; 192 } 193 194 static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b, 195 hpp_field_fn get_field) 196 { 197 s64 ret = 0; 198 199 if (symbol_conf.cumulate_callchain) { 200 /* 201 * Put caller above callee when they have equal period. 202 */ 203 ret = field_cmp(get_field(a), get_field(b)); 204 if (ret) 205 return ret; 206 207 if (a->thread != b->thread || !symbol_conf.use_callchain) 208 return 0; 209 210 ret = b->callchain->max_depth - a->callchain->max_depth; 211 } 212 return ret; 213 } 214 215 static int hpp__width_fn(struct perf_hpp_fmt *fmt, 216 struct perf_hpp *hpp __maybe_unused, 217 struct perf_evsel *evsel) 218 { 219 int len = fmt->user_len ?: fmt->len; 220 221 if (symbol_conf.event_group) 222 len = max(len, evsel->nr_members * fmt->len); 223 224 if (len < (int)strlen(fmt->name)) 225 len = strlen(fmt->name); 226 227 return len; 228 } 229 230 static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, 231 struct perf_evsel *evsel) 232 { 233 int len = hpp__width_fn(fmt, hpp, evsel); 234 return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name); 235 } 236 237 static int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...) 238 { 239 va_list args; 240 ssize_t ssize = hpp->size; 241 double percent; 242 int ret, len; 243 244 va_start(args, fmt); 245 len = va_arg(args, int); 246 percent = va_arg(args, double); 247 ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent); 248 va_end(args); 249 250 return (ret >= ssize) ? (ssize - 1) : ret; 251 } 252 253 static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...) 254 { 255 va_list args; 256 ssize_t ssize = hpp->size; 257 int ret; 258 259 va_start(args, fmt); 260 ret = vsnprintf(hpp->buf, hpp->size, fmt, args); 261 va_end(args); 262 263 return (ret >= ssize) ? (ssize - 1) : ret; 264 } 265 266 #define __HPP_COLOR_PERCENT_FN(_type, _field) \ 267 static u64 he_get_##_field(struct hist_entry *he) \ 268 { \ 269 return he->stat._field; \ 270 } \ 271 \ 272 static int hpp__color_##_type(struct perf_hpp_fmt *fmt, \ 273 struct perf_hpp *hpp, struct hist_entry *he) \ 274 { \ 275 return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%", \ 276 hpp_color_scnprintf, true); \ 277 } 278 279 #define __HPP_ENTRY_PERCENT_FN(_type, _field) \ 280 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt, \ 281 struct perf_hpp *hpp, struct hist_entry *he) \ 282 { \ 283 return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%", \ 284 hpp_entry_scnprintf, true); \ 285 } 286 287 #define __HPP_SORT_FN(_type, _field) \ 288 static int64_t hpp__sort_##_type(struct hist_entry *a, struct hist_entry *b) \ 289 { \ 290 return __hpp__sort(a, b, he_get_##_field); \ 291 } 292 293 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \ 294 static u64 he_get_acc_##_field(struct hist_entry *he) \ 295 { \ 296 return he->stat_acc->_field; \ 297 } \ 298 \ 299 static int hpp__color_##_type(struct perf_hpp_fmt *fmt, \ 300 struct perf_hpp *hpp, struct hist_entry *he) \ 301 { \ 302 return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", \ 303 hpp_color_scnprintf, true); \ 304 } 305 306 #define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field) \ 307 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt, \ 308 struct perf_hpp *hpp, struct hist_entry *he) \ 309 { \ 310 return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%", \ 311 hpp_entry_scnprintf, true); \ 312 } 313 314 #define __HPP_SORT_ACC_FN(_type, _field) \ 315 static int64_t hpp__sort_##_type(struct hist_entry *a, struct hist_entry *b) \ 316 { \ 317 return __hpp__sort_acc(a, b, he_get_acc_##_field); \ 318 } 319 320 #define __HPP_ENTRY_RAW_FN(_type, _field) \ 321 static u64 he_get_raw_##_field(struct hist_entry *he) \ 322 { \ 323 return he->stat._field; \ 324 } \ 325 \ 326 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt, \ 327 struct perf_hpp *hpp, struct hist_entry *he) \ 328 { \ 329 return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64, \ 330 hpp_entry_scnprintf, false); \ 331 } 332 333 #define __HPP_SORT_RAW_FN(_type, _field) \ 334 static int64_t hpp__sort_##_type(struct hist_entry *a, struct hist_entry *b) \ 335 { \ 336 return __hpp__sort(a, b, he_get_raw_##_field); \ 337 } 338 339 340 #define HPP_PERCENT_FNS(_type, _field) \ 341 __HPP_COLOR_PERCENT_FN(_type, _field) \ 342 __HPP_ENTRY_PERCENT_FN(_type, _field) \ 343 __HPP_SORT_FN(_type, _field) 344 345 #define HPP_PERCENT_ACC_FNS(_type, _field) \ 346 __HPP_COLOR_ACC_PERCENT_FN(_type, _field) \ 347 __HPP_ENTRY_ACC_PERCENT_FN(_type, _field) \ 348 __HPP_SORT_ACC_FN(_type, _field) 349 350 #define HPP_RAW_FNS(_type, _field) \ 351 __HPP_ENTRY_RAW_FN(_type, _field) \ 352 __HPP_SORT_RAW_FN(_type, _field) 353 354 HPP_PERCENT_FNS(overhead, period) 355 HPP_PERCENT_FNS(overhead_sys, period_sys) 356 HPP_PERCENT_FNS(overhead_us, period_us) 357 HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys) 358 HPP_PERCENT_FNS(overhead_guest_us, period_guest_us) 359 HPP_PERCENT_ACC_FNS(overhead_acc, period) 360 361 HPP_RAW_FNS(samples, nr_events) 362 HPP_RAW_FNS(period, period) 363 364 static int64_t hpp__nop_cmp(struct hist_entry *a __maybe_unused, 365 struct hist_entry *b __maybe_unused) 366 { 367 return 0; 368 } 369 370 #define HPP__COLOR_PRINT_FNS(_name, _fn) \ 371 { \ 372 .name = _name, \ 373 .header = hpp__header_fn, \ 374 .width = hpp__width_fn, \ 375 .color = hpp__color_ ## _fn, \ 376 .entry = hpp__entry_ ## _fn, \ 377 .cmp = hpp__nop_cmp, \ 378 .collapse = hpp__nop_cmp, \ 379 .sort = hpp__sort_ ## _fn, \ 380 } 381 382 #define HPP__COLOR_ACC_PRINT_FNS(_name, _fn) \ 383 { \ 384 .name = _name, \ 385 .header = hpp__header_fn, \ 386 .width = hpp__width_fn, \ 387 .color = hpp__color_ ## _fn, \ 388 .entry = hpp__entry_ ## _fn, \ 389 .cmp = hpp__nop_cmp, \ 390 .collapse = hpp__nop_cmp, \ 391 .sort = hpp__sort_ ## _fn, \ 392 } 393 394 #define HPP__PRINT_FNS(_name, _fn) \ 395 { \ 396 .name = _name, \ 397 .header = hpp__header_fn, \ 398 .width = hpp__width_fn, \ 399 .entry = hpp__entry_ ## _fn, \ 400 .cmp = hpp__nop_cmp, \ 401 .collapse = hpp__nop_cmp, \ 402 .sort = hpp__sort_ ## _fn, \ 403 } 404 405 struct perf_hpp_fmt perf_hpp__format[] = { 406 HPP__COLOR_PRINT_FNS("Overhead", overhead), 407 HPP__COLOR_PRINT_FNS("sys", overhead_sys), 408 HPP__COLOR_PRINT_FNS("usr", overhead_us), 409 HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys), 410 HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us), 411 HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc), 412 HPP__PRINT_FNS("Samples", samples), 413 HPP__PRINT_FNS("Period", period) 414 }; 415 416 LIST_HEAD(perf_hpp__list); 417 LIST_HEAD(perf_hpp__sort_list); 418 419 420 #undef HPP__COLOR_PRINT_FNS 421 #undef HPP__COLOR_ACC_PRINT_FNS 422 #undef HPP__PRINT_FNS 423 424 #undef HPP_PERCENT_FNS 425 #undef HPP_PERCENT_ACC_FNS 426 #undef HPP_RAW_FNS 427 428 #undef __HPP_HEADER_FN 429 #undef __HPP_WIDTH_FN 430 #undef __HPP_COLOR_PERCENT_FN 431 #undef __HPP_ENTRY_PERCENT_FN 432 #undef __HPP_COLOR_ACC_PERCENT_FN 433 #undef __HPP_ENTRY_ACC_PERCENT_FN 434 #undef __HPP_ENTRY_RAW_FN 435 #undef __HPP_SORT_FN 436 #undef __HPP_SORT_ACC_FN 437 #undef __HPP_SORT_RAW_FN 438 439 440 void perf_hpp__init(void) 441 { 442 struct list_head *list; 443 int i; 444 445 for (i = 0; i < PERF_HPP__MAX_INDEX; i++) { 446 struct perf_hpp_fmt *fmt = &perf_hpp__format[i]; 447 448 INIT_LIST_HEAD(&fmt->list); 449 450 /* sort_list may be linked by setup_sorting() */ 451 if (fmt->sort_list.next == NULL) 452 INIT_LIST_HEAD(&fmt->sort_list); 453 } 454 455 /* 456 * If user specified field order, no need to setup default fields. 457 */ 458 if (is_strict_order(field_order)) 459 return; 460 461 if (symbol_conf.cumulate_callchain) { 462 perf_hpp__column_enable(PERF_HPP__OVERHEAD_ACC); 463 perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self"; 464 } 465 466 perf_hpp__column_enable(PERF_HPP__OVERHEAD); 467 468 if (symbol_conf.show_cpu_utilization) { 469 perf_hpp__column_enable(PERF_HPP__OVERHEAD_SYS); 470 perf_hpp__column_enable(PERF_HPP__OVERHEAD_US); 471 472 if (perf_guest) { 473 perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_SYS); 474 perf_hpp__column_enable(PERF_HPP__OVERHEAD_GUEST_US); 475 } 476 } 477 478 if (symbol_conf.show_nr_samples) 479 perf_hpp__column_enable(PERF_HPP__SAMPLES); 480 481 if (symbol_conf.show_total_period) 482 perf_hpp__column_enable(PERF_HPP__PERIOD); 483 484 /* prepend overhead field for backward compatiblity. */ 485 list = &perf_hpp__format[PERF_HPP__OVERHEAD].sort_list; 486 if (list_empty(list)) 487 list_add(list, &perf_hpp__sort_list); 488 489 if (symbol_conf.cumulate_callchain) { 490 list = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC].sort_list; 491 if (list_empty(list)) 492 list_add(list, &perf_hpp__sort_list); 493 } 494 } 495 496 void perf_hpp__column_register(struct perf_hpp_fmt *format) 497 { 498 list_add_tail(&format->list, &perf_hpp__list); 499 } 500 501 void perf_hpp__column_unregister(struct perf_hpp_fmt *format) 502 { 503 list_del(&format->list); 504 } 505 506 void perf_hpp__register_sort_field(struct perf_hpp_fmt *format) 507 { 508 list_add_tail(&format->sort_list, &perf_hpp__sort_list); 509 } 510 511 void perf_hpp__column_enable(unsigned col) 512 { 513 BUG_ON(col >= PERF_HPP__MAX_INDEX); 514 perf_hpp__column_register(&perf_hpp__format[col]); 515 } 516 517 void perf_hpp__column_disable(unsigned col) 518 { 519 BUG_ON(col >= PERF_HPP__MAX_INDEX); 520 perf_hpp__column_unregister(&perf_hpp__format[col]); 521 } 522 523 void perf_hpp__cancel_cumulate(void) 524 { 525 if (is_strict_order(field_order)) 526 return; 527 528 perf_hpp__column_disable(PERF_HPP__OVERHEAD_ACC); 529 perf_hpp__format[PERF_HPP__OVERHEAD].name = "Overhead"; 530 } 531 532 void perf_hpp__setup_output_field(void) 533 { 534 struct perf_hpp_fmt *fmt; 535 536 /* append sort keys to output field */ 537 perf_hpp__for_each_sort_list(fmt) { 538 if (!list_empty(&fmt->list)) 539 continue; 540 541 /* 542 * sort entry fields are dynamically created, 543 * so they can share a same sort key even though 544 * the list is empty. 545 */ 546 if (perf_hpp__is_sort_entry(fmt)) { 547 struct perf_hpp_fmt *pos; 548 549 perf_hpp__for_each_format(pos) { 550 if (perf_hpp__same_sort_entry(pos, fmt)) 551 goto next; 552 } 553 } 554 555 perf_hpp__column_register(fmt); 556 next: 557 continue; 558 } 559 } 560 561 void perf_hpp__append_sort_keys(void) 562 { 563 struct perf_hpp_fmt *fmt; 564 565 /* append output fields to sort keys */ 566 perf_hpp__for_each_format(fmt) { 567 if (!list_empty(&fmt->sort_list)) 568 continue; 569 570 /* 571 * sort entry fields are dynamically created, 572 * so they can share a same sort key even though 573 * the list is empty. 574 */ 575 if (perf_hpp__is_sort_entry(fmt)) { 576 struct perf_hpp_fmt *pos; 577 578 perf_hpp__for_each_sort_list(pos) { 579 if (perf_hpp__same_sort_entry(pos, fmt)) 580 goto next; 581 } 582 } 583 584 perf_hpp__register_sort_field(fmt); 585 next: 586 continue; 587 } 588 } 589 590 void perf_hpp__reset_output_field(void) 591 { 592 struct perf_hpp_fmt *fmt, *tmp; 593 594 /* reset output fields */ 595 perf_hpp__for_each_format_safe(fmt, tmp) { 596 list_del_init(&fmt->list); 597 list_del_init(&fmt->sort_list); 598 } 599 600 /* reset sort keys */ 601 perf_hpp__for_each_sort_list_safe(fmt, tmp) { 602 list_del_init(&fmt->list); 603 list_del_init(&fmt->sort_list); 604 } 605 } 606 607 /* 608 * See hists__fprintf to match the column widths 609 */ 610 unsigned int hists__sort_list_width(struct hists *hists) 611 { 612 struct perf_hpp_fmt *fmt; 613 int ret = 0; 614 bool first = true; 615 struct perf_hpp dummy_hpp; 616 617 perf_hpp__for_each_format(fmt) { 618 if (perf_hpp__should_skip(fmt)) 619 continue; 620 621 if (first) 622 first = false; 623 else 624 ret += 2; 625 626 ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists)); 627 } 628 629 if (verbose && sort__has_sym) /* Addr + origin */ 630 ret += 3 + BITS_PER_LONG / 4; 631 632 return ret; 633 } 634 635 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists) 636 { 637 int idx; 638 639 if (perf_hpp__is_sort_entry(fmt)) 640 return perf_hpp__reset_sort_width(fmt, hists); 641 642 for (idx = 0; idx < PERF_HPP__MAX_INDEX; idx++) { 643 if (fmt == &perf_hpp__format[idx]) 644 break; 645 } 646 647 if (idx == PERF_HPP__MAX_INDEX) 648 return; 649 650 switch (idx) { 651 case PERF_HPP__OVERHEAD: 652 case PERF_HPP__OVERHEAD_SYS: 653 case PERF_HPP__OVERHEAD_US: 654 case PERF_HPP__OVERHEAD_ACC: 655 fmt->len = 8; 656 break; 657 658 case PERF_HPP__OVERHEAD_GUEST_SYS: 659 case PERF_HPP__OVERHEAD_GUEST_US: 660 fmt->len = 9; 661 break; 662 663 case PERF_HPP__SAMPLES: 664 case PERF_HPP__PERIOD: 665 fmt->len = 12; 666 break; 667 668 default: 669 break; 670 } 671 } 672 673 void perf_hpp__set_user_width(const char *width_list_str) 674 { 675 struct perf_hpp_fmt *fmt; 676 const char *ptr = width_list_str; 677 678 perf_hpp__for_each_format(fmt) { 679 char *p; 680 681 int len = strtol(ptr, &p, 10); 682 fmt->user_len = len; 683 684 if (*p == ',') 685 ptr = p + 1; 686 else 687 break; 688 } 689 } 690