tools/perf/ui/hist.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <inttypes.h>
   3 #include <math.h>
   4 #include <stdlib.h>
   5 #include <string.h>
   6 #include <linux/compiler.h>
   7
   8 #include "../util/callchain.h"
   9 #include "../util/debug.h"
  10 #include "../util/hist.h"
  11 #include "../util/sort.h"
  12 #include "../util/evsel.h"
  13 #include "../util/evlist.h"
  14 #include "../perf.h"
  15
  16 /* hist period print (hpp) functions */
  17
  18 #define hpp__call_print_fn(hpp, fn, fmt, ...)                   \
  19 ({                                                              \
  20         int __ret = fn(hpp, fmt, ##__VA_ARGS__);                \
  21         advance_hpp(hpp, __ret);                                \
  22         __ret;                                                  \
  23 })
  24
  25 static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
  26                       hpp_field_fn get_field, const char *fmt, int len,
  27                       hpp_snprint_fn print_fn, bool fmt_percent)
  28 {
  29         int ret;
  30         struct hists *hists = he->hists;
  31         struct evsel *evsel = hists_to_evsel(hists);
  32         char *buf = hpp->buf;
  33         size_t size = hpp->size;
  34
  35         if (fmt_percent) {
  36                 double percent = 0.0;
  37                 u64 total = hists__total_period(hists);
  38
  39                 if (total)
  40                         percent = 100.0 * get_field(he) / total;
  41
  42                 ret = hpp__call_print_fn(hpp, print_fn, fmt, len, percent);
  43         } else
  44                 ret = hpp__call_print_fn(hpp, print_fn, fmt, len, get_field(he));
  45
  46         if (evsel__is_group_event(evsel)) {
  47                 int prev_idx, idx_delta;
  48                 struct hist_entry *pair;
  49                 int nr_members = evsel->core.nr_members;
  50
  51                 prev_idx = evsel__group_idx(evsel);
  52
  53                 list_for_each_entry(pair, &he->pairs.head, pairs.node) {
  54                         u64 period = get_field(pair);
  55                         u64 total = hists__total_period(pair->hists);
  56
  57                         if (!total)
  58                                 continue;
  59
  60                         evsel = hists_to_evsel(pair->hists);
  61                         idx_delta = evsel__group_idx(evsel) - prev_idx - 1;
  62
  63                         while (idx_delta--) {
  64                                 /*
  65                                  * zero-fill group members in the middle which
  66                                  * have no sample
  67                                  */
  68                                 if (fmt_percent) {
  69                                         ret += hpp__call_print_fn(hpp, print_fn,
  70                                                                   fmt, len, 0.0);
  71                                 } else {
  72                                         ret += hpp__call_print_fn(hpp, print_fn,
  73                                                                   fmt, len, 0ULL);
  74                                 }
  75                         }
  76
  77                         if (fmt_percent) {
  78                                 ret += hpp__call_print_fn(hpp, print_fn, fmt, len,
  79                                                           100.0 * period / total);
  80                         } else {
  81                                 ret += hpp__call_print_fn(hpp, print_fn, fmt,
  82                                                           len, period);
  83                         }
  84
  85                         prev_idx = evsel__group_idx(evsel);
  86                 }
  87
  88                 idx_delta = nr_members - prev_idx - 1;
  89
  90                 while (idx_delta--) {
  91                         /*
  92                          * zero-fill group members at last which have no sample
  93                          */
  94                         if (fmt_percent) {
  95                                 ret += hpp__call_print_fn(hpp, print_fn,
  96                                                           fmt, len, 0.0);
  97                         } else {
  98                                 ret += hpp__call_print_fn(hpp, print_fn,
  99                                                           fmt, len, 0ULL);
 100                         }
 101                 }
 102         }
 103
 104         /*
 105          * Restore original buf and size as it's where caller expects
 106          * the result will be saved.
 107          */
 108         hpp->buf = buf;
 109         hpp->size = size;
 110
 111         return ret;
 112 }
 113
 114 int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 115              struct hist_entry *he, hpp_field_fn get_field,
 116              const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
 117 {
 118         int len = fmt->user_len ?: fmt->len;
 119
 120         if (symbol_conf.field_sep) {
 121                 return __hpp__fmt(hpp, he, get_field, fmtstr, 1,
 122                                   print_fn, fmt_percent);
 123         }
 124
 125         if (fmt_percent)
 126                 len -= 2; /* 2 for a space and a % sign */
 127         else
 128                 len -= 1;
 129
 130         return  __hpp__fmt(hpp, he, get_field, fmtstr, len, print_fn, fmt_percent);
 131 }
 132
 133 int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 134                  struct hist_entry *he, hpp_field_fn get_field,
 135                  const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent)
 136 {
 137         if (!symbol_conf.cumulate_callchain) {
 138                 int len = fmt->user_len ?: fmt->len;
 139                 return snprintf(hpp->buf, hpp->size, " %*s", len - 1, "N/A");
 140         }
 141
 142         return hpp__fmt(fmt, hpp, he, get_field, fmtstr, print_fn, fmt_percent);
 143 }
 144
 145 static int field_cmp(u64 field_a, u64 field_b)
 146 {
 147         if (field_a > field_b)
 148                 return 1;
 149         if (field_a < field_b)
 150                 return -1;
 151         return 0;
 152 }
 153
 154 static int hist_entry__new_pair(struct hist_entry *a, struct hist_entry *b,
 155                                 hpp_field_fn get_field, int nr_members,
 156                                 u64 **fields_a, u64 **fields_b)
 157 {
 158         u64 *fa = calloc(nr_members, sizeof(*fa)),
 159             *fb = calloc(nr_members, sizeof(*fb));
 160         struct hist_entry *pair;
 161
 162         if (!fa || !fb)
 163                 goto out_free;
 164
 165         list_for_each_entry(pair, &a->pairs.head, pairs.node) {
 166                 struct evsel *evsel = hists_to_evsel(pair->hists);
 167                 fa[evsel__group_idx(evsel)] = get_field(pair);
 168         }
 169
 170         list_for_each_entry(pair, &b->pairs.head, pairs.node) {
 171                 struct evsel *evsel = hists_to_evsel(pair->hists);
 172                 fb[evsel__group_idx(evsel)] = get_field(pair);
 173         }
 174
 175         *fields_a = fa;
 176         *fields_b = fb;
 177         return 0;
 178 out_free:
 179         free(fa);
 180         free(fb);
 181         *fields_a = *fields_b = NULL;
 182         return -1;
 183 }
 184
 185 static int __hpp__group_sort_idx(struct hist_entry *a, struct hist_entry *b,
 186                                  hpp_field_fn get_field, int idx)
 187 {
 188         struct evsel *evsel = hists_to_evsel(a->hists);
 189         u64 *fields_a, *fields_b;
 190         int cmp, nr_members, ret, i;
 191
 192         cmp = field_cmp(get_field(a), get_field(b));
 193         if (!evsel__is_group_event(evsel))
 194                 return cmp;
 195
 196         nr_members = evsel->core.nr_members;
 197         if (idx < 1 || idx >= nr_members)
 198                 return cmp;
 199
 200         ret = hist_entry__new_pair(a, b, get_field, nr_members, &fields_a, &fields_b);
 201         if (ret) {
 202                 ret = cmp;
 203                 goto out;
 204         }
 205
 206         ret = field_cmp(fields_a[idx], fields_b[idx]);
 207         if (ret)
 208                 goto out;
 209
 210         for (i = 1; i < nr_members; i++) {
 211                 if (i != idx) {
 212                         ret = field_cmp(fields_a[i], fields_b[i]);
 213                         if (ret)
 214                                 goto out;
 215                 }
 216         }
 217
 218 out:
 219         free(fields_a);
 220         free(fields_b);
 221
 222         return ret;
 223 }
 224
 225 static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
 226                        hpp_field_fn get_field)
 227 {
 228         s64 ret;
 229         int i, nr_members;
 230         struct evsel *evsel;
 231         u64 *fields_a, *fields_b;
 232
 233         if (symbol_conf.group_sort_idx && symbol_conf.event_group) {
 234                 return __hpp__group_sort_idx(a, b, get_field,
 235                                              symbol_conf.group_sort_idx);
 236         }
 237
 238         ret = field_cmp(get_field(a), get_field(b));
 239         if (ret || !symbol_conf.event_group)
 240                 return ret;
 241
 242         evsel = hists_to_evsel(a->hists);
 243         if (!evsel__is_group_event(evsel))
 244                 return ret;
 245
 246         nr_members = evsel->core.nr_members;
 247         i = hist_entry__new_pair(a, b, get_field, nr_members, &fields_a, &fields_b);
 248         if (i)
 249                 goto out;
 250
 251         for (i = 1; i < nr_members; i++) {
 252                 ret = field_cmp(fields_a[i], fields_b[i]);
 253                 if (ret)
 254                         break;
 255         }
 256
 257 out:
 258         free(fields_a);
 259         free(fields_b);
 260
 261         return ret;
 262 }
 263
 264 static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
 265                            hpp_field_fn get_field)
 266 {
 267         s64 ret = 0;
 268
 269         if (symbol_conf.cumulate_callchain) {
 270                 /*
 271                  * Put caller above callee when they have equal period.
 272                  */
 273                 ret = field_cmp(get_field(a), get_field(b));
 274                 if (ret)
 275                         return ret;
 276
 277                 if (a->thread != b->thread || !hist_entry__has_callchains(a) || !symbol_conf.use_callchain)
 278                         return 0;
 279
 280                 ret = b->callchain->max_depth - a->callchain->max_depth;
 281                 if (callchain_param.order == ORDER_CALLER)
 282                         ret = -ret;
 283         }
 284         return ret;
 285 }
 286
 287 static int hpp__width_fn(struct perf_hpp_fmt *fmt,
 288                          struct perf_hpp *hpp __maybe_unused,
 289                          struct hists *hists)
 290 {
 291         int len = fmt->user_len ?: fmt->len;
 292         struct evsel *evsel = hists_to_evsel(hists);
 293
 294         if (symbol_conf.event_group)
 295                 len = max(len, evsel->core.nr_members * fmt->len);
 296
 297         if (len < (int)strlen(fmt->name))
 298                 len = strlen(fmt->name);
 299
 300         return len;
 301 }
 302
 303 static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 304                           struct hists *hists, int line __maybe_unused,
 305                           int *span __maybe_unused)
 306 {
 307         int len = hpp__width_fn(fmt, hpp, hists);
 308         return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
 309 }
 310
 311 int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 312 {
 313         va_list args;
 314         ssize_t ssize = hpp->size;
 315         double percent;
 316         int ret, len;
 317
 318         va_start(args, fmt);
 319         len = va_arg(args, int);
 320         percent = va_arg(args, double);
 321         ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
 322         va_end(args);
 323
 324         return (ret >= ssize) ? (ssize - 1) : ret;
 325 }
 326
 327 static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 328 {
 329         va_list args;
 330         ssize_t ssize = hpp->size;
 331         int ret;
 332
 333         va_start(args, fmt);
 334         ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
 335         va_end(args);
 336
 337         return (ret >= ssize) ? (ssize - 1) : ret;
 338 }
 339
 340 #define __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 341 static u64 he_get_##_field(struct hist_entry *he)                               \
 342 {                                                                               \
 343         return he->stat._field;                                                 \
 344 }                                                                               \
 345                                                                                 \
 346 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
 347                               struct perf_hpp *hpp, struct hist_entry *he)      \
 348 {                                                                               \
 349         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
 350                         hpp_color_scnprintf, true);                             \
 351 }
 352
 353 #define __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
 354 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 355                               struct perf_hpp *hpp, struct hist_entry *he)      \
 356 {                                                                               \
 357         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
 358                         hpp_entry_scnprintf, true);                             \
 359 }
 360
 361 #define __HPP_SORT_FN(_type, _field)                                            \
 362 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 363                                  struct hist_entry *a, struct hist_entry *b)    \
 364 {                                                                               \
 365         return __hpp__sort(a, b, he_get_##_field);                              \
 366 }
 367
 368 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 369 static u64 he_get_acc_##_field(struct hist_entry *he)                           \
 370 {                                                                               \
 371         return he->stat_acc->_field;                                            \
 372 }                                                                               \
 373                                                                                 \
 374 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
 375                               struct perf_hpp *hpp, struct hist_entry *he)      \
 376 {                                                                               \
 377         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 378                             hpp_color_scnprintf, true);                         \
 379 }
 380
 381 #define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 382 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 383                               struct perf_hpp *hpp, struct hist_entry *he)      \
 384 {                                                                               \
 385         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 386                             hpp_entry_scnprintf, true);                         \
 387 }
 388
 389 #define __HPP_SORT_ACC_FN(_type, _field)                                        \
 390 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 391                                  struct hist_entry *a, struct hist_entry *b)    \
 392 {                                                                               \
 393         return __hpp__sort_acc(a, b, he_get_acc_##_field);                      \
 394 }
 395
 396 #define __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 397 static u64 he_get_raw_##_field(struct hist_entry *he)                           \
 398 {                                                                               \
 399         return he->stat._field;                                                 \
 400 }                                                                               \
 401                                                                                 \
 402 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 403                               struct perf_hpp *hpp, struct hist_entry *he)      \
 404 {                                                                               \
 405         return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64,         \
 406                         hpp_entry_scnprintf, false);                            \
 407 }
 408
 409 #define __HPP_SORT_RAW_FN(_type, _field)                                        \
 410 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 411                                  struct hist_entry *a, struct hist_entry *b)    \
 412 {                                                                               \
 413         return __hpp__sort(a, b, he_get_raw_##_field);                          \
 414 }
 415
 416
 417 #define HPP_PERCENT_FNS(_type, _field)                                  \
 418 __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 419 __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
 420 __HPP_SORT_FN(_type, _field)
 421
 422 #define HPP_PERCENT_ACC_FNS(_type, _field)                              \
 423 __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 424 __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 425 __HPP_SORT_ACC_FN(_type, _field)
 426
 427 #define HPP_RAW_FNS(_type, _field)                                      \
 428 __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 429 __HPP_SORT_RAW_FN(_type, _field)
 430
 431 HPP_PERCENT_FNS(overhead, period)
 432 HPP_PERCENT_FNS(overhead_sys, period_sys)
 433 HPP_PERCENT_FNS(overhead_us, period_us)
 434 HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
 435 HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
 436 HPP_PERCENT_ACC_FNS(overhead_acc, period)
 437
 438 HPP_RAW_FNS(samples, nr_events)
 439 HPP_RAW_FNS(period, period)
 440
 441 static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 442                             struct hist_entry *a __maybe_unused,
 443                             struct hist_entry *b __maybe_unused)
 444 {
 445         return 0;
 446 }
 447
 448 static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
 449 {
 450         return a->header == hpp__header_fn;
 451 }
 452
 453 static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 454 {
 455         if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
 456                 return false;
 457
 458         return a->idx == b->idx;
 459 }
 460
 461 #define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)          \
 462         {                                               \
 463                 .name   = _name,                        \
 464                 .header = hpp__header_fn,               \
 465                 .width  = hpp__width_fn,                \
 466                 .color  = hpp__color_ ## _fn,           \
 467                 .entry  = hpp__entry_ ## _fn,           \
 468                 .cmp    = hpp__nop_cmp,                 \
 469                 .collapse = hpp__nop_cmp,               \
 470                 .sort   = hpp__sort_ ## _fn,            \
 471                 .idx    = PERF_HPP__ ## _idx,           \
 472                 .equal  = hpp__equal,                   \
 473         }
 474
 475 #define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)      \
 476         {                                               \
 477                 .name   = _name,                        \
 478                 .header = hpp__header_fn,               \
 479                 .width  = hpp__width_fn,                \
 480                 .color  = hpp__color_ ## _fn,           \
 481                 .entry  = hpp__entry_ ## _fn,           \
 482                 .cmp    = hpp__nop_cmp,                 \
 483                 .collapse = hpp__nop_cmp,               \
 484                 .sort   = hpp__sort_ ## _fn,            \
 485                 .idx    = PERF_HPP__ ## _idx,           \
 486                 .equal  = hpp__equal,                   \
 487         }
 488
 489 #define HPP__PRINT_FNS(_name, _fn, _idx)                \
 490         {                                               \
 491                 .name   = _name,                        \
 492                 .header = hpp__header_fn,               \
 493                 .width  = hpp__width_fn,                \
 494                 .entry  = hpp__entry_ ## _fn,           \
 495                 .cmp    = hpp__nop_cmp,                 \
 496                 .collapse = hpp__nop_cmp,               \
 497                 .sort   = hpp__sort_ ## _fn,            \
 498                 .idx    = PERF_HPP__ ## _idx,           \
 499                 .equal  = hpp__equal,                   \
 500         }
 501
 502 struct perf_hpp_fmt perf_hpp__format[] = {
 503         HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
 504         HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
 505         HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
 506         HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
 507         HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
 508         HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
 509         HPP__PRINT_FNS("Samples", samples, SAMPLES),
 510         HPP__PRINT_FNS("Period", period, PERIOD)
 511 };
 512
 513 struct perf_hpp_list perf_hpp_list = {
 514         .fields = LIST_HEAD_INIT(perf_hpp_list.fields),
 515         .sorts  = LIST_HEAD_INIT(perf_hpp_list.sorts),
 516         .nr_header_lines = 1,
 517 };
 518
 519 #undef HPP__COLOR_PRINT_FNS
 520 #undef HPP__COLOR_ACC_PRINT_FNS
 521 #undef HPP__PRINT_FNS
 522
 523 #undef HPP_PERCENT_FNS
 524 #undef HPP_PERCENT_ACC_FNS
 525 #undef HPP_RAW_FNS
 526
 527 #undef __HPP_HEADER_FN
 528 #undef __HPP_WIDTH_FN
 529 #undef __HPP_COLOR_PERCENT_FN
 530 #undef __HPP_ENTRY_PERCENT_FN
 531 #undef __HPP_COLOR_ACC_PERCENT_FN
 532 #undef __HPP_ENTRY_ACC_PERCENT_FN
 533 #undef __HPP_ENTRY_RAW_FN
 534 #undef __HPP_SORT_FN
 535 #undef __HPP_SORT_ACC_FN
 536 #undef __HPP_SORT_RAW_FN
 537
 538
 539 void perf_hpp__init(void)
 540 {
 541         int i;
 542
 543         for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
 544                 struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
 545
 546                 INIT_LIST_HEAD(&fmt->list);
 547
 548                 /* sort_list may be linked by setup_sorting() */
 549                 if (fmt->sort_list.next == NULL)
 550                         INIT_LIST_HEAD(&fmt->sort_list);
 551         }
 552
 553         /*
 554          * If user specified field order, no need to setup default fields.
 555          */
 556         if (is_strict_order(field_order))
 557                 return;
 558
 559         if (symbol_conf.cumulate_callchain) {
 560                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
 561                 perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
 562         }
 563
 564         hpp_dimension__add_output(PERF_HPP__OVERHEAD);
 565
 566         if (symbol_conf.show_cpu_utilization) {
 567                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
 568                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
 569
 570                 if (perf_guest) {
 571                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
 572                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
 573                 }
 574         }
 575
 576         if (symbol_conf.show_nr_samples)
 577                 hpp_dimension__add_output(PERF_HPP__SAMPLES);
 578
 579         if (symbol_conf.show_total_period)
 580                 hpp_dimension__add_output(PERF_HPP__PERIOD);
 581 }
 582
 583 void perf_hpp_list__column_register(struct perf_hpp_list *list,
 584                                     struct perf_hpp_fmt *format)
 585 {
 586         list_add_tail(&format->list, &list->fields);
 587 }
 588
 589 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
 590                                         struct perf_hpp_fmt *format)
 591 {
 592         list_add_tail(&format->sort_list, &list->sorts);
 593 }
 594
 595 void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
 596                                        struct perf_hpp_fmt *format)
 597 {
 598         list_add(&format->sort_list, &list->sorts);
 599 }
 600
 601 void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
 602 {
 603         list_del_init(&format->list);
 604 }
 605
 606 void perf_hpp__cancel_cumulate(void)
 607 {
 608         struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
 609
 610         if (is_strict_order(field_order))
 611                 return;
 612
 613         ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
 614         acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
 615
 616         perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
 617                 if (acc->equal(acc, fmt)) {
 618                         perf_hpp__column_unregister(fmt);
 619                         continue;
 620                 }
 621
 622                 if (ovh->equal(ovh, fmt))
 623                         fmt->name = "Overhead";
 624         }
 625 }
 626
 627 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 628 {
 629         return a->equal && a->equal(a, b);
 630 }
 631
 632 void perf_hpp__setup_output_field(struct perf_hpp_list *list)
 633 {
 634         struct perf_hpp_fmt *fmt;
 635
 636         /* append sort keys to output field */
 637         perf_hpp_list__for_each_sort_list(list, fmt) {
 638                 struct perf_hpp_fmt *pos;
 639
 640                 /* skip sort-only fields ("sort_compute" in perf diff) */
 641                 if (!fmt->entry && !fmt->color)
 642                         continue;
 643
 644                 perf_hpp_list__for_each_format(list, pos) {
 645                         if (fmt_equal(fmt, pos))
 646                                 goto next;
 647                 }
 648
 649                 perf_hpp__column_register(fmt);
 650 next:
 651                 continue;
 652         }
 653 }
 654
 655 void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
 656 {
 657         struct perf_hpp_fmt *fmt;
 658
 659         /* append output fields to sort keys */
 660         perf_hpp_list__for_each_format(list, fmt) {
 661                 struct perf_hpp_fmt *pos;
 662
 663                 perf_hpp_list__for_each_sort_list(list, pos) {
 664                         if (fmt_equal(fmt, pos))
 665                                 goto next;
 666                 }
 667
 668                 perf_hpp__register_sort_field(fmt);
 669 next:
 670                 continue;
 671         }
 672 }
 673
 674
 675 static void fmt_free(struct perf_hpp_fmt *fmt)
 676 {
 677         /*
 678          * At this point fmt should be completely
 679          * unhooked, if not it's a bug.
 680          */
 681         BUG_ON(!list_empty(&fmt->list));
 682         BUG_ON(!list_empty(&fmt->sort_list));
 683
 684         if (fmt->free)
 685                 fmt->free(fmt);
 686 }
 687
 688 void perf_hpp__reset_output_field(struct perf_hpp_list *list)
 689 {
 690         struct perf_hpp_fmt *fmt, *tmp;
 691
 692         /* reset output fields */
 693         perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
 694                 list_del_init(&fmt->list);
 695                 list_del_init(&fmt->sort_list);
 696                 fmt_free(fmt);
 697         }
 698
 699         /* reset sort keys */
 700         perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
 701                 list_del_init(&fmt->list);
 702                 list_del_init(&fmt->sort_list);
 703                 fmt_free(fmt);
 704         }
 705 }
 706
 707 /*
 708  * See hists__fprintf to match the column widths
 709  */
 710 unsigned int hists__sort_list_width(struct hists *hists)
 711 {
 712         struct perf_hpp_fmt *fmt;
 713         int ret = 0;
 714         bool first = true;
 715         struct perf_hpp dummy_hpp;
 716
 717         hists__for_each_format(hists, fmt) {
 718                 if (perf_hpp__should_skip(fmt, hists))
 719                         continue;
 720
 721                 if (first)
 722                         first = false;
 723                 else
 724                         ret += 2;
 725
 726                 ret += fmt->width(fmt, &dummy_hpp, hists);
 727         }
 728
 729         if (verbose > 0 && hists__has(hists, sym)) /* Addr + origin */
 730                 ret += 3 + BITS_PER_LONG / 4;
 731
 732         return ret;
 733 }
 734
 735 unsigned int hists__overhead_width(struct hists *hists)
 736 {
 737         struct perf_hpp_fmt *fmt;
 738         int ret = 0;
 739         bool first = true;
 740         struct perf_hpp dummy_hpp;
 741
 742         hists__for_each_format(hists, fmt) {
 743                 if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
 744                         break;
 745
 746                 if (first)
 747                         first = false;
 748                 else
 749                         ret += 2;
 750
 751                 ret += fmt->width(fmt, &dummy_hpp, hists);
 752         }
 753
 754         return ret;
 755 }
 756
 757 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
 758 {
 759         if (perf_hpp__is_sort_entry(fmt))
 760                 return perf_hpp__reset_sort_width(fmt, hists);
 761
 762         if (perf_hpp__is_dynamic_entry(fmt))
 763                 return;
 764
 765         BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
 766
 767         switch (fmt->idx) {
 768         case PERF_HPP__OVERHEAD:
 769         case PERF_HPP__OVERHEAD_SYS:
 770         case PERF_HPP__OVERHEAD_US:
 771         case PERF_HPP__OVERHEAD_ACC:
 772                 fmt->len = 8;
 773                 break;
 774
 775         case PERF_HPP__OVERHEAD_GUEST_SYS:
 776         case PERF_HPP__OVERHEAD_GUEST_US:
 777                 fmt->len = 9;
 778                 break;
 779
 780         case PERF_HPP__SAMPLES:
 781         case PERF_HPP__PERIOD:
 782                 fmt->len = 12;
 783                 break;
 784
 785         default:
 786                 break;
 787         }
 788 }
 789
 790 void hists__reset_column_width(struct hists *hists)
 791 {
 792         struct perf_hpp_fmt *fmt;
 793         struct perf_hpp_list_node *node;
 794
 795         hists__for_each_format(hists, fmt)
 796                 perf_hpp__reset_width(fmt, hists);
 797
 798         /* hierarchy entries have their own hpp list */
 799         list_for_each_entry(node, &hists->hpp_formats, list) {
 800                 perf_hpp_list__for_each_format(&node->hpp, fmt)
 801                         perf_hpp__reset_width(fmt, hists);
 802         }
 803 }
 804
 805 void perf_hpp__set_user_width(const char *width_list_str)
 806 {
 807         struct perf_hpp_fmt *fmt;
 808         const char *ptr = width_list_str;
 809
 810         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
 811                 char *p;
 812
 813                 int len = strtol(ptr, &p, 10);
 814                 fmt->user_len = len;
 815
 816                 if (*p == ',')
 817                         ptr = p + 1;
 818                 else
 819                         break;
 820         }
 821 }
 822
 823 static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
 824 {
 825         struct perf_hpp_list_node *node = NULL;
 826         struct perf_hpp_fmt *fmt_copy;
 827         bool found = false;
 828         bool skip = perf_hpp__should_skip(fmt, hists);
 829
 830         list_for_each_entry(node, &hists->hpp_formats, list) {
 831                 if (node->level == fmt->level) {
 832                         found = true;
 833                         break;
 834                 }
 835         }
 836
 837         if (!found) {
 838                 node = malloc(sizeof(*node));
 839                 if (node == NULL)
 840                         return -1;
 841
 842                 node->skip = skip;
 843                 node->level = fmt->level;
 844                 perf_hpp_list__init(&node->hpp);
 845
 846                 hists->nr_hpp_node++;
 847                 list_add_tail(&node->list, &hists->hpp_formats);
 848         }
 849
 850         fmt_copy = perf_hpp_fmt__dup(fmt);
 851         if (fmt_copy == NULL)
 852                 return -1;
 853
 854         if (!skip)
 855                 node->skip = false;
 856
 857         list_add_tail(&fmt_copy->list, &node->hpp.fields);
 858         list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
 859
 860         return 0;
 861 }
 862
 863 int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
 864                                   struct evlist *evlist)
 865 {
 866         struct evsel *evsel;
 867         struct perf_hpp_fmt *fmt;
 868         struct hists *hists;
 869         int ret;
 870
 871         if (!symbol_conf.report_hierarchy)
 872                 return 0;
 873
 874         evlist__for_each_entry(evlist, evsel) {
 875                 hists = evsel__hists(evsel);
 876
 877                 perf_hpp_list__for_each_sort_list(list, fmt) {
 878                         if (perf_hpp__is_dynamic_entry(fmt) &&
 879                             !perf_hpp__defined_dynamic_entry(fmt, hists))
 880                                 continue;
 881
 882                         ret = add_hierarchy_fmt(hists, fmt);
 883                         if (ret < 0)
 884                                 return ret;
 885                 }
 886         }
 887
 888         return 0;
 889 }