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