tools/perf/ui/hist.c

   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 perf_hpp_fmt *fmt __maybe_unused,       \
 289                                  struct hist_entry *a, struct hist_entry *b)    \
 290 {                                                                               \
 291         return __hpp__sort(a, b, he_get_##_field);                              \
 292 }
 293
 294 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 295 static u64 he_get_acc_##_field(struct hist_entry *he)                           \
 296 {                                                                               \
 297         return he->stat_acc->_field;                                            \
 298 }                                                                               \
 299                                                                                 \
 300 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
 301                               struct perf_hpp *hpp, struct hist_entry *he)      \
 302 {                                                                               \
 303         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 304                             hpp_color_scnprintf, true);                         \
 305 }
 306
 307 #define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 308 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 309                               struct perf_hpp *hpp, struct hist_entry *he)      \
 310 {                                                                               \
 311         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 312                             hpp_entry_scnprintf, true);                         \
 313 }
 314
 315 #define __HPP_SORT_ACC_FN(_type, _field)                                        \
 316 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 317                                  struct hist_entry *a, struct hist_entry *b)    \
 318 {                                                                               \
 319         return __hpp__sort_acc(a, b, he_get_acc_##_field);                      \
 320 }
 321
 322 #define __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 323 static u64 he_get_raw_##_field(struct hist_entry *he)                           \
 324 {                                                                               \
 325         return he->stat._field;                                                 \
 326 }                                                                               \
 327                                                                                 \
 328 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 329                               struct perf_hpp *hpp, struct hist_entry *he)      \
 330 {                                                                               \
 331         return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64,         \
 332                         hpp_entry_scnprintf, false);                            \
 333 }
 334
 335 #define __HPP_SORT_RAW_FN(_type, _field)                                        \
 336 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 337                                  struct hist_entry *a, struct hist_entry *b)    \
 338 {                                                                               \
 339         return __hpp__sort(a, b, he_get_raw_##_field);                          \
 340 }
 341
 342
 343 #define HPP_PERCENT_FNS(_type, _field)                                  \
 344 __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 345 __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
 346 __HPP_SORT_FN(_type, _field)
 347
 348 #define HPP_PERCENT_ACC_FNS(_type, _field)                              \
 349 __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 350 __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 351 __HPP_SORT_ACC_FN(_type, _field)
 352
 353 #define HPP_RAW_FNS(_type, _field)                                      \
 354 __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 355 __HPP_SORT_RAW_FN(_type, _field)
 356
 357 HPP_PERCENT_FNS(overhead, period)
 358 HPP_PERCENT_FNS(overhead_sys, period_sys)
 359 HPP_PERCENT_FNS(overhead_us, period_us)
 360 HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
 361 HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
 362 HPP_PERCENT_ACC_FNS(overhead_acc, period)
 363
 364 HPP_RAW_FNS(samples, nr_events)
 365 HPP_RAW_FNS(period, period)
 366
 367 static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 368                             struct hist_entry *a __maybe_unused,
 369                             struct hist_entry *b __maybe_unused)
 370 {
 371         return 0;
 372 }
 373
 374 static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
 375 {
 376         return a->header == hpp__header_fn;
 377 }
 378
 379 static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 380 {
 381         if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
 382                 return false;
 383
 384         return a->idx == b->idx;
 385 }
 386
 387 #define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)          \
 388         {                                               \
 389                 .name   = _name,                        \
 390                 .header = hpp__header_fn,               \
 391                 .width  = hpp__width_fn,                \
 392                 .color  = hpp__color_ ## _fn,           \
 393                 .entry  = hpp__entry_ ## _fn,           \
 394                 .cmp    = hpp__nop_cmp,                 \
 395                 .collapse = hpp__nop_cmp,               \
 396                 .sort   = hpp__sort_ ## _fn,            \
 397                 .idx    = PERF_HPP__ ## _idx,           \
 398                 .equal  = hpp__equal,                   \
 399         }
 400
 401 #define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)      \
 402         {                                               \
 403                 .name   = _name,                        \
 404                 .header = hpp__header_fn,               \
 405                 .width  = hpp__width_fn,                \
 406                 .color  = hpp__color_ ## _fn,           \
 407                 .entry  = hpp__entry_ ## _fn,           \
 408                 .cmp    = hpp__nop_cmp,                 \
 409                 .collapse = hpp__nop_cmp,               \
 410                 .sort   = hpp__sort_ ## _fn,            \
 411                 .idx    = PERF_HPP__ ## _idx,           \
 412                 .equal  = hpp__equal,                   \
 413         }
 414
 415 #define HPP__PRINT_FNS(_name, _fn, _idx)                \
 416         {                                               \
 417                 .name   = _name,                        \
 418                 .header = hpp__header_fn,               \
 419                 .width  = hpp__width_fn,                \
 420                 .entry  = hpp__entry_ ## _fn,           \
 421                 .cmp    = hpp__nop_cmp,                 \
 422                 .collapse = hpp__nop_cmp,               \
 423                 .sort   = hpp__sort_ ## _fn,            \
 424                 .idx    = PERF_HPP__ ## _idx,           \
 425                 .equal  = hpp__equal,                   \
 426         }
 427
 428 struct perf_hpp_fmt perf_hpp__format[] = {
 429         HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
 430         HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
 431         HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
 432         HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
 433         HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
 434         HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
 435         HPP__PRINT_FNS("Samples", samples, SAMPLES),
 436         HPP__PRINT_FNS("Period", period, PERIOD)
 437 };
 438
 439 struct perf_hpp_list perf_hpp_list = {
 440         .fields = LIST_HEAD_INIT(perf_hpp_list.fields),
 441         .sorts  = LIST_HEAD_INIT(perf_hpp_list.sorts),
 442 };
 443
 444 #undef HPP__COLOR_PRINT_FNS
 445 #undef HPP__COLOR_ACC_PRINT_FNS
 446 #undef HPP__PRINT_FNS
 447
 448 #undef HPP_PERCENT_FNS
 449 #undef HPP_PERCENT_ACC_FNS
 450 #undef HPP_RAW_FNS
 451
 452 #undef __HPP_HEADER_FN
 453 #undef __HPP_WIDTH_FN
 454 #undef __HPP_COLOR_PERCENT_FN
 455 #undef __HPP_ENTRY_PERCENT_FN
 456 #undef __HPP_COLOR_ACC_PERCENT_FN
 457 #undef __HPP_ENTRY_ACC_PERCENT_FN
 458 #undef __HPP_ENTRY_RAW_FN
 459 #undef __HPP_SORT_FN
 460 #undef __HPP_SORT_ACC_FN
 461 #undef __HPP_SORT_RAW_FN
 462
 463
 464 void perf_hpp__init(void)
 465 {
 466         int i;
 467
 468         for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
 469                 struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
 470
 471                 INIT_LIST_HEAD(&fmt->list);
 472
 473                 /* sort_list may be linked by setup_sorting() */
 474                 if (fmt->sort_list.next == NULL)
 475                         INIT_LIST_HEAD(&fmt->sort_list);
 476         }
 477
 478         /*
 479          * If user specified field order, no need to setup default fields.
 480          */
 481         if (is_strict_order(field_order))
 482                 return;
 483
 484         if (symbol_conf.cumulate_callchain) {
 485                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
 486                 perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
 487         }
 488
 489         hpp_dimension__add_output(PERF_HPP__OVERHEAD);
 490
 491         if (symbol_conf.show_cpu_utilization) {
 492                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
 493                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
 494
 495                 if (perf_guest) {
 496                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
 497                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
 498                 }
 499         }
 500
 501         if (symbol_conf.show_nr_samples)
 502                 hpp_dimension__add_output(PERF_HPP__SAMPLES);
 503
 504         if (symbol_conf.show_total_period)
 505                 hpp_dimension__add_output(PERF_HPP__PERIOD);
 506 }
 507
 508 void perf_hpp_list__column_register(struct perf_hpp_list *list,
 509                                     struct perf_hpp_fmt *format)
 510 {
 511         list_add_tail(&format->list, &list->fields);
 512 }
 513
 514 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
 515                                         struct perf_hpp_fmt *format)
 516 {
 517         list_add_tail(&format->sort_list, &list->sorts);
 518 }
 519
 520 void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
 521 {
 522         list_del(&format->list);
 523 }
 524
 525 void perf_hpp__cancel_cumulate(void)
 526 {
 527         struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
 528
 529         if (is_strict_order(field_order))
 530                 return;
 531
 532         ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
 533         acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
 534
 535         perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
 536                 if (acc->equal(acc, fmt)) {
 537                         perf_hpp__column_unregister(fmt);
 538                         continue;
 539                 }
 540
 541                 if (ovh->equal(ovh, fmt))
 542                         fmt->name = "Overhead";
 543         }
 544 }
 545
 546 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 547 {
 548         return a->equal && a->equal(a, b);
 549 }
 550
 551 void perf_hpp__setup_output_field(struct perf_hpp_list *list)
 552 {
 553         struct perf_hpp_fmt *fmt;
 554
 555         /* append sort keys to output field */
 556         perf_hpp_list__for_each_sort_list(list, fmt) {
 557                 struct perf_hpp_fmt *pos;
 558
 559                 perf_hpp_list__for_each_format(list, pos) {
 560                         if (fmt_equal(fmt, pos))
 561                                 goto next;
 562                 }
 563
 564                 perf_hpp__column_register(fmt);
 565 next:
 566                 continue;
 567         }
 568 }
 569
 570 void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
 571 {
 572         struct perf_hpp_fmt *fmt;
 573
 574         /* append output fields to sort keys */
 575         perf_hpp_list__for_each_format(list, fmt) {
 576                 struct perf_hpp_fmt *pos;
 577
 578                 perf_hpp_list__for_each_sort_list(list, pos) {
 579                         if (fmt_equal(fmt, pos))
 580                                 goto next;
 581                 }
 582
 583                 perf_hpp__register_sort_field(fmt);
 584 next:
 585                 continue;
 586         }
 587 }
 588
 589
 590 static void fmt_free(struct perf_hpp_fmt *fmt)
 591 {
 592         if (fmt->free)
 593                 fmt->free(fmt);
 594 }
 595
 596 void perf_hpp__reset_output_field(struct perf_hpp_list *list)
 597 {
 598         struct perf_hpp_fmt *fmt, *tmp;
 599
 600         /* reset output fields */
 601         perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
 602                 list_del_init(&fmt->list);
 603                 list_del_init(&fmt->sort_list);
 604                 fmt_free(fmt);
 605         }
 606
 607         /* reset sort keys */
 608         perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
 609                 list_del_init(&fmt->list);
 610                 list_del_init(&fmt->sort_list);
 611                 fmt_free(fmt);
 612         }
 613 }
 614
 615 /*
 616  * See hists__fprintf to match the column widths
 617  */
 618 unsigned int hists__sort_list_width(struct hists *hists)
 619 {
 620         struct perf_hpp_fmt *fmt;
 621         int ret = 0;
 622         bool first = true;
 623         struct perf_hpp dummy_hpp;
 624
 625         hists__for_each_format(hists, fmt) {
 626                 if (perf_hpp__should_skip(fmt, hists))
 627                         continue;
 628
 629                 if (first)
 630                         first = false;
 631                 else
 632                         ret += 2;
 633
 634                 ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists));
 635         }
 636
 637         if (verbose && sort__has_sym) /* Addr + origin */
 638                 ret += 3 + BITS_PER_LONG / 4;
 639
 640         return ret;
 641 }
 642
 643 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
 644 {
 645         if (perf_hpp__is_sort_entry(fmt))
 646                 return perf_hpp__reset_sort_width(fmt, hists);
 647
 648         if (perf_hpp__is_dynamic_entry(fmt))
 649                 return;
 650
 651         BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
 652
 653         switch (fmt->idx) {
 654         case PERF_HPP__OVERHEAD:
 655         case PERF_HPP__OVERHEAD_SYS:
 656         case PERF_HPP__OVERHEAD_US:
 657         case PERF_HPP__OVERHEAD_ACC:
 658                 fmt->len = 8;
 659                 break;
 660
 661         case PERF_HPP__OVERHEAD_GUEST_SYS:
 662         case PERF_HPP__OVERHEAD_GUEST_US:
 663                 fmt->len = 9;
 664                 break;
 665
 666         case PERF_HPP__SAMPLES:
 667         case PERF_HPP__PERIOD:
 668                 fmt->len = 12;
 669                 break;
 670
 671         default:
 672                 break;
 673         }
 674 }
 675
 676 void perf_hpp__set_user_width(const char *width_list_str)
 677 {
 678         struct perf_hpp_fmt *fmt;
 679         const char *ptr = width_list_str;
 680
 681         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
 682                 char *p;
 683
 684                 int len = strtol(ptr, &p, 10);
 685                 fmt->user_len = len;
 686
 687                 if (*p == ',')
 688                         ptr = p + 1;
 689                 else
 690                         break;
 691         }
 692 }