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 perf_evsel *evsel)
 219 {
 220         int len = fmt->user_len ?: fmt->len;
 221
 222         if (symbol_conf.event_group)
 223                 len = max(len, evsel->nr_members * fmt->len);
 224
 225         if (len < (int)strlen(fmt->name))
 226                 len = strlen(fmt->name);
 227
 228         return len;
 229 }
 230
 231 static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 232                           struct perf_evsel *evsel)
 233 {
 234         int len = hpp__width_fn(fmt, hpp, evsel);
 235         return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
 236 }
 237
 238 static int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 239 {
 240         va_list args;
 241         ssize_t ssize = hpp->size;
 242         double percent;
 243         int ret, len;
 244
 245         va_start(args, fmt);
 246         len = va_arg(args, int);
 247         percent = va_arg(args, double);
 248         ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
 249         va_end(args);
 250
 251         return (ret >= ssize) ? (ssize - 1) : ret;
 252 }
 253
 254 static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 255 {
 256         va_list args;
 257         ssize_t ssize = hpp->size;
 258         int ret;
 259
 260         va_start(args, fmt);
 261         ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
 262         va_end(args);
 263
 264         return (ret >= ssize) ? (ssize - 1) : ret;
 265 }
 266
 267 #define __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 268 static u64 he_get_##_field(struct hist_entry *he)                               \
 269 {                                                                               \
 270         return he->stat._field;                                                 \
 271 }                                                                               \
 272                                                                                 \
 273 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
 274                               struct perf_hpp *hpp, struct hist_entry *he)      \
 275 {                                                                               \
 276         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
 277                         hpp_color_scnprintf, true);                             \
 278 }
 279
 280 #define __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
 281 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 282                               struct perf_hpp *hpp, struct hist_entry *he)      \
 283 {                                                                               \
 284         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
 285                         hpp_entry_scnprintf, true);                             \
 286 }
 287
 288 #define __HPP_SORT_FN(_type, _field)                                            \
 289 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 290                                  struct hist_entry *a, struct hist_entry *b)    \
 291 {                                                                               \
 292         return __hpp__sort(a, b, he_get_##_field);                              \
 293 }
 294
 295 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 296 static u64 he_get_acc_##_field(struct hist_entry *he)                           \
 297 {                                                                               \
 298         return he->stat_acc->_field;                                            \
 299 }                                                                               \
 300                                                                                 \
 301 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
 302                               struct perf_hpp *hpp, struct hist_entry *he)      \
 303 {                                                                               \
 304         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 305                             hpp_color_scnprintf, true);                         \
 306 }
 307
 308 #define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 309 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 310                               struct perf_hpp *hpp, struct hist_entry *he)      \
 311 {                                                                               \
 312         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 313                             hpp_entry_scnprintf, true);                         \
 314 }
 315
 316 #define __HPP_SORT_ACC_FN(_type, _field)                                        \
 317 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 318                                  struct hist_entry *a, struct hist_entry *b)    \
 319 {                                                                               \
 320         return __hpp__sort_acc(a, b, he_get_acc_##_field);                      \
 321 }
 322
 323 #define __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 324 static u64 he_get_raw_##_field(struct hist_entry *he)                           \
 325 {                                                                               \
 326         return he->stat._field;                                                 \
 327 }                                                                               \
 328                                                                                 \
 329 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 330                               struct perf_hpp *hpp, struct hist_entry *he)      \
 331 {                                                                               \
 332         return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64,         \
 333                         hpp_entry_scnprintf, false);                            \
 334 }
 335
 336 #define __HPP_SORT_RAW_FN(_type, _field)                                        \
 337 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 338                                  struct hist_entry *a, struct hist_entry *b)    \
 339 {                                                                               \
 340         return __hpp__sort(a, b, he_get_raw_##_field);                          \
 341 }
 342
 343
 344 #define HPP_PERCENT_FNS(_type, _field)                                  \
 345 __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 346 __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
 347 __HPP_SORT_FN(_type, _field)
 348
 349 #define HPP_PERCENT_ACC_FNS(_type, _field)                              \
 350 __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 351 __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 352 __HPP_SORT_ACC_FN(_type, _field)
 353
 354 #define HPP_RAW_FNS(_type, _field)                                      \
 355 __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 356 __HPP_SORT_RAW_FN(_type, _field)
 357
 358 HPP_PERCENT_FNS(overhead, period)
 359 HPP_PERCENT_FNS(overhead_sys, period_sys)
 360 HPP_PERCENT_FNS(overhead_us, period_us)
 361 HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
 362 HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
 363 HPP_PERCENT_ACC_FNS(overhead_acc, period)
 364
 365 HPP_RAW_FNS(samples, nr_events)
 366 HPP_RAW_FNS(period, period)
 367
 368 static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 369                             struct hist_entry *a __maybe_unused,
 370                             struct hist_entry *b __maybe_unused)
 371 {
 372         return 0;
 373 }
 374
 375 static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
 376 {
 377         return a->header == hpp__header_fn;
 378 }
 379
 380 static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 381 {
 382         if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
 383                 return false;
 384
 385         return a->idx == b->idx;
 386 }
 387
 388 #define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)          \
 389         {                                               \
 390                 .name   = _name,                        \
 391                 .header = hpp__header_fn,               \
 392                 .width  = hpp__width_fn,                \
 393                 .color  = hpp__color_ ## _fn,           \
 394                 .entry  = hpp__entry_ ## _fn,           \
 395                 .cmp    = hpp__nop_cmp,                 \
 396                 .collapse = hpp__nop_cmp,               \
 397                 .sort   = hpp__sort_ ## _fn,            \
 398                 .idx    = PERF_HPP__ ## _idx,           \
 399                 .equal  = hpp__equal,                   \
 400         }
 401
 402 #define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)      \
 403         {                                               \
 404                 .name   = _name,                        \
 405                 .header = hpp__header_fn,               \
 406                 .width  = hpp__width_fn,                \
 407                 .color  = hpp__color_ ## _fn,           \
 408                 .entry  = hpp__entry_ ## _fn,           \
 409                 .cmp    = hpp__nop_cmp,                 \
 410                 .collapse = hpp__nop_cmp,               \
 411                 .sort   = hpp__sort_ ## _fn,            \
 412                 .idx    = PERF_HPP__ ## _idx,           \
 413                 .equal  = hpp__equal,                   \
 414         }
 415
 416 #define HPP__PRINT_FNS(_name, _fn, _idx)                \
 417         {                                               \
 418                 .name   = _name,                        \
 419                 .header = hpp__header_fn,               \
 420                 .width  = hpp__width_fn,                \
 421                 .entry  = hpp__entry_ ## _fn,           \
 422                 .cmp    = hpp__nop_cmp,                 \
 423                 .collapse = hpp__nop_cmp,               \
 424                 .sort   = hpp__sort_ ## _fn,            \
 425                 .idx    = PERF_HPP__ ## _idx,           \
 426                 .equal  = hpp__equal,                   \
 427         }
 428
 429 struct perf_hpp_fmt perf_hpp__format[] = {
 430         HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
 431         HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
 432         HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
 433         HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
 434         HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
 435         HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
 436         HPP__PRINT_FNS("Samples", samples, SAMPLES),
 437         HPP__PRINT_FNS("Period", period, PERIOD)
 438 };
 439
 440 struct perf_hpp_list perf_hpp_list = {
 441         .fields = LIST_HEAD_INIT(perf_hpp_list.fields),
 442         .sorts  = LIST_HEAD_INIT(perf_hpp_list.sorts),
 443 };
 444
 445 #undef HPP__COLOR_PRINT_FNS
 446 #undef HPP__COLOR_ACC_PRINT_FNS
 447 #undef HPP__PRINT_FNS
 448
 449 #undef HPP_PERCENT_FNS
 450 #undef HPP_PERCENT_ACC_FNS
 451 #undef HPP_RAW_FNS
 452
 453 #undef __HPP_HEADER_FN
 454 #undef __HPP_WIDTH_FN
 455 #undef __HPP_COLOR_PERCENT_FN
 456 #undef __HPP_ENTRY_PERCENT_FN
 457 #undef __HPP_COLOR_ACC_PERCENT_FN
 458 #undef __HPP_ENTRY_ACC_PERCENT_FN
 459 #undef __HPP_ENTRY_RAW_FN
 460 #undef __HPP_SORT_FN
 461 #undef __HPP_SORT_ACC_FN
 462 #undef __HPP_SORT_RAW_FN
 463
 464
 465 void perf_hpp__init(void)
 466 {
 467         int i;
 468
 469         for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
 470                 struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
 471
 472                 INIT_LIST_HEAD(&fmt->list);
 473
 474                 /* sort_list may be linked by setup_sorting() */
 475                 if (fmt->sort_list.next == NULL)
 476                         INIT_LIST_HEAD(&fmt->sort_list);
 477         }
 478
 479         /*
 480          * If user specified field order, no need to setup default fields.
 481          */
 482         if (is_strict_order(field_order))
 483                 return;
 484
 485         if (symbol_conf.cumulate_callchain) {
 486                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
 487                 perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
 488         }
 489
 490         hpp_dimension__add_output(PERF_HPP__OVERHEAD);
 491
 492         if (symbol_conf.show_cpu_utilization) {
 493                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
 494                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
 495
 496                 if (perf_guest) {
 497                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
 498                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
 499                 }
 500         }
 501
 502         if (symbol_conf.show_nr_samples)
 503                 hpp_dimension__add_output(PERF_HPP__SAMPLES);
 504
 505         if (symbol_conf.show_total_period)
 506                 hpp_dimension__add_output(PERF_HPP__PERIOD);
 507 }
 508
 509 void perf_hpp_list__column_register(struct perf_hpp_list *list,
 510                                     struct perf_hpp_fmt *format)
 511 {
 512         list_add_tail(&format->list, &list->fields);
 513 }
 514
 515 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
 516                                         struct perf_hpp_fmt *format)
 517 {
 518         list_add_tail(&format->sort_list, &list->sorts);
 519 }
 520
 521 void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
 522 {
 523         list_del(&format->list);
 524 }
 525
 526 void perf_hpp__cancel_cumulate(void)
 527 {
 528         struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
 529
 530         if (is_strict_order(field_order))
 531                 return;
 532
 533         ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
 534         acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
 535
 536         perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
 537                 if (acc->equal(acc, fmt)) {
 538                         perf_hpp__column_unregister(fmt);
 539                         continue;
 540                 }
 541
 542                 if (ovh->equal(ovh, fmt))
 543                         fmt->name = "Overhead";
 544         }
 545 }
 546
 547 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 548 {
 549         return a->equal && a->equal(a, b);
 550 }
 551
 552 void perf_hpp__setup_output_field(struct perf_hpp_list *list)
 553 {
 554         struct perf_hpp_fmt *fmt;
 555
 556         /* append sort keys to output field */
 557         perf_hpp_list__for_each_sort_list(list, fmt) {
 558                 struct perf_hpp_fmt *pos;
 559
 560                 perf_hpp_list__for_each_format(list, pos) {
 561                         if (fmt_equal(fmt, pos))
 562                                 goto next;
 563                 }
 564
 565                 perf_hpp__column_register(fmt);
 566 next:
 567                 continue;
 568         }
 569 }
 570
 571 void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
 572 {
 573         struct perf_hpp_fmt *fmt;
 574
 575         /* append output fields to sort keys */
 576         perf_hpp_list__for_each_format(list, fmt) {
 577                 struct perf_hpp_fmt *pos;
 578
 579                 perf_hpp_list__for_each_sort_list(list, pos) {
 580                         if (fmt_equal(fmt, pos))
 581                                 goto next;
 582                 }
 583
 584                 perf_hpp__register_sort_field(fmt);
 585 next:
 586                 continue;
 587         }
 588 }
 589
 590
 591 static void fmt_free(struct perf_hpp_fmt *fmt)
 592 {
 593         if (fmt->free)
 594                 fmt->free(fmt);
 595 }
 596
 597 void perf_hpp__reset_output_field(struct perf_hpp_list *list)
 598 {
 599         struct perf_hpp_fmt *fmt, *tmp;
 600
 601         /* reset output fields */
 602         perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
 603                 list_del_init(&fmt->list);
 604                 list_del_init(&fmt->sort_list);
 605                 fmt_free(fmt);
 606         }
 607
 608         /* reset sort keys */
 609         perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
 610                 list_del_init(&fmt->list);
 611                 list_del_init(&fmt->sort_list);
 612                 fmt_free(fmt);
 613         }
 614 }
 615
 616 /*
 617  * See hists__fprintf to match the column widths
 618  */
 619 unsigned int hists__sort_list_width(struct hists *hists)
 620 {
 621         struct perf_hpp_fmt *fmt;
 622         int ret = 0;
 623         bool first = true;
 624         struct perf_hpp dummy_hpp;
 625
 626         hists__for_each_format(hists, fmt) {
 627                 if (perf_hpp__should_skip(fmt, hists))
 628                         continue;
 629
 630                 if (first)
 631                         first = false;
 632                 else
 633                         ret += 2;
 634
 635                 ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists));
 636         }
 637
 638         if (verbose && sort__has_sym) /* Addr + origin */
 639                 ret += 3 + BITS_PER_LONG / 4;
 640
 641         return ret;
 642 }
 643
 644 unsigned int hists__overhead_width(struct hists *hists)
 645 {
 646         struct perf_hpp_fmt *fmt;
 647         int ret = 0;
 648         bool first = true;
 649         struct perf_hpp dummy_hpp;
 650
 651         hists__for_each_format(hists, fmt) {
 652                 if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
 653                         break;
 654
 655                 if (first)
 656                         first = false;
 657                 else
 658                         ret += 2;
 659
 660                 ret += fmt->width(fmt, &dummy_hpp, hists_to_evsel(hists));
 661         }
 662
 663         return ret;
 664 }
 665
 666 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
 667 {
 668         if (perf_hpp__is_sort_entry(fmt))
 669                 return perf_hpp__reset_sort_width(fmt, hists);
 670
 671         if (perf_hpp__is_dynamic_entry(fmt))
 672                 return;
 673
 674         BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
 675
 676         switch (fmt->idx) {
 677         case PERF_HPP__OVERHEAD:
 678         case PERF_HPP__OVERHEAD_SYS:
 679         case PERF_HPP__OVERHEAD_US:
 680         case PERF_HPP__OVERHEAD_ACC:
 681                 fmt->len = 8;
 682                 break;
 683
 684         case PERF_HPP__OVERHEAD_GUEST_SYS:
 685         case PERF_HPP__OVERHEAD_GUEST_US:
 686                 fmt->len = 9;
 687                 break;
 688
 689         case PERF_HPP__SAMPLES:
 690         case PERF_HPP__PERIOD:
 691                 fmt->len = 12;
 692                 break;
 693
 694         default:
 695                 break;
 696         }
 697 }
 698
 699 void perf_hpp__set_user_width(const char *width_list_str)
 700 {
 701         struct perf_hpp_fmt *fmt;
 702         const char *ptr = width_list_str;
 703
 704         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
 705                 char *p;
 706
 707                 int len = strtol(ptr, &p, 10);
 708                 fmt->user_len = len;
 709
 710                 if (*p == ',')
 711                         ptr = p + 1;
 712                 else
 713                         break;
 714         }
 715 }
 716
 717 static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
 718 {
 719         struct perf_hpp_list_node *node = NULL;
 720         struct perf_hpp_fmt *fmt_copy;
 721         bool found = false;
 722         bool skip = perf_hpp__should_skip(fmt, hists);
 723
 724         list_for_each_entry(node, &hists->hpp_formats, list) {
 725                 if (node->level == fmt->level) {
 726                         found = true;
 727                         break;
 728                 }
 729         }
 730
 731         if (!found) {
 732                 node = malloc(sizeof(*node));
 733                 if (node == NULL)
 734                         return -1;
 735
 736                 node->skip = skip;
 737                 node->level = fmt->level;
 738                 perf_hpp_list__init(&node->hpp);
 739
 740                 hists->nr_hpp_node++;
 741                 list_add_tail(&node->list, &hists->hpp_formats);
 742         }
 743
 744         fmt_copy = perf_hpp_fmt__dup(fmt);
 745         if (fmt_copy == NULL)
 746                 return -1;
 747
 748         if (!skip)
 749                 node->skip = false;
 750
 751         list_add_tail(&fmt_copy->list, &node->hpp.fields);
 752         list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
 753
 754         return 0;
 755 }
 756
 757 int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
 758                                   struct perf_evlist *evlist)
 759 {
 760         struct perf_evsel *evsel;
 761         struct perf_hpp_fmt *fmt;
 762         struct hists *hists;
 763         int ret;
 764
 765         if (!symbol_conf.report_hierarchy)
 766                 return 0;
 767
 768         evlist__for_each(evlist, evsel) {
 769                 hists = evsel__hists(evsel);
 770
 771                 perf_hpp_list__for_each_sort_list(list, fmt) {
 772                         if (perf_hpp__is_dynamic_entry(fmt) &&
 773                             !perf_hpp__defined_dynamic_entry(fmt, hists))
 774                                 continue;
 775
 776                         ret = add_hierarchy_fmt(hists, fmt);
 777                         if (ret < 0)
 778                                 return ret;
 779                 }
 780         }
 781
 782         return 0;
 783 }