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                           int *span __maybe_unused)
 235 {
 236         int len = hpp__width_fn(fmt, hpp, hists);
 237         return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
 238 }
 239
 240 int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 241 {
 242         va_list args;
 243         ssize_t ssize = hpp->size;
 244         double percent;
 245         int ret, len;
 246
 247         va_start(args, fmt);
 248         len = va_arg(args, int);
 249         percent = va_arg(args, double);
 250         ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
 251         va_end(args);
 252
 253         return (ret >= ssize) ? (ssize - 1) : ret;
 254 }
 255
 256 static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 257 {
 258         va_list args;
 259         ssize_t ssize = hpp->size;
 260         int ret;
 261
 262         va_start(args, fmt);
 263         ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
 264         va_end(args);
 265
 266         return (ret >= ssize) ? (ssize - 1) : ret;
 267 }
 268
 269 #define __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 270 static u64 he_get_##_field(struct hist_entry *he)                               \
 271 {                                                                               \
 272         return he->stat._field;                                                 \
 273 }                                                                               \
 274                                                                                 \
 275 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
 276                               struct perf_hpp *hpp, struct hist_entry *he)      \
 277 {                                                                               \
 278         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
 279                         hpp_color_scnprintf, true);                             \
 280 }
 281
 282 #define __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
 283 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 284                               struct perf_hpp *hpp, struct hist_entry *he)      \
 285 {                                                                               \
 286         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
 287                         hpp_entry_scnprintf, true);                             \
 288 }
 289
 290 #define __HPP_SORT_FN(_type, _field)                                            \
 291 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 292                                  struct hist_entry *a, struct hist_entry *b)    \
 293 {                                                                               \
 294         return __hpp__sort(a, b, he_get_##_field);                              \
 295 }
 296
 297 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 298 static u64 he_get_acc_##_field(struct hist_entry *he)                           \
 299 {                                                                               \
 300         return he->stat_acc->_field;                                            \
 301 }                                                                               \
 302                                                                                 \
 303 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
 304                               struct perf_hpp *hpp, struct hist_entry *he)      \
 305 {                                                                               \
 306         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 307                             hpp_color_scnprintf, true);                         \
 308 }
 309
 310 #define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 311 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 312                               struct perf_hpp *hpp, struct hist_entry *he)      \
 313 {                                                                               \
 314         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 315                             hpp_entry_scnprintf, true);                         \
 316 }
 317
 318 #define __HPP_SORT_ACC_FN(_type, _field)                                        \
 319 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 320                                  struct hist_entry *a, struct hist_entry *b)    \
 321 {                                                                               \
 322         return __hpp__sort_acc(a, b, he_get_acc_##_field);                      \
 323 }
 324
 325 #define __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 326 static u64 he_get_raw_##_field(struct hist_entry *he)                           \
 327 {                                                                               \
 328         return he->stat._field;                                                 \
 329 }                                                                               \
 330                                                                                 \
 331 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 332                               struct perf_hpp *hpp, struct hist_entry *he)      \
 333 {                                                                               \
 334         return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64,         \
 335                         hpp_entry_scnprintf, false);                            \
 336 }
 337
 338 #define __HPP_SORT_RAW_FN(_type, _field)                                        \
 339 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 340                                  struct hist_entry *a, struct hist_entry *b)    \
 341 {                                                                               \
 342         return __hpp__sort(a, b, he_get_raw_##_field);                          \
 343 }
 344
 345
 346 #define HPP_PERCENT_FNS(_type, _field)                                  \
 347 __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 348 __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
 349 __HPP_SORT_FN(_type, _field)
 350
 351 #define HPP_PERCENT_ACC_FNS(_type, _field)                              \
 352 __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 353 __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 354 __HPP_SORT_ACC_FN(_type, _field)
 355
 356 #define HPP_RAW_FNS(_type, _field)                                      \
 357 __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 358 __HPP_SORT_RAW_FN(_type, _field)
 359
 360 HPP_PERCENT_FNS(overhead, period)
 361 HPP_PERCENT_FNS(overhead_sys, period_sys)
 362 HPP_PERCENT_FNS(overhead_us, period_us)
 363 HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
 364 HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
 365 HPP_PERCENT_ACC_FNS(overhead_acc, period)
 366
 367 HPP_RAW_FNS(samples, nr_events)
 368 HPP_RAW_FNS(period, period)
 369
 370 static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 371                             struct hist_entry *a __maybe_unused,
 372                             struct hist_entry *b __maybe_unused)
 373 {
 374         return 0;
 375 }
 376
 377 static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
 378 {
 379         return a->header == hpp__header_fn;
 380 }
 381
 382 static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 383 {
 384         if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
 385                 return false;
 386
 387         return a->idx == b->idx;
 388 }
 389
 390 #define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)          \
 391         {                                               \
 392                 .name   = _name,                        \
 393                 .header = hpp__header_fn,               \
 394                 .width  = hpp__width_fn,                \
 395                 .color  = hpp__color_ ## _fn,           \
 396                 .entry  = hpp__entry_ ## _fn,           \
 397                 .cmp    = hpp__nop_cmp,                 \
 398                 .collapse = hpp__nop_cmp,               \
 399                 .sort   = hpp__sort_ ## _fn,            \
 400                 .idx    = PERF_HPP__ ## _idx,           \
 401                 .equal  = hpp__equal,                   \
 402         }
 403
 404 #define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)      \
 405         {                                               \
 406                 .name   = _name,                        \
 407                 .header = hpp__header_fn,               \
 408                 .width  = hpp__width_fn,                \
 409                 .color  = hpp__color_ ## _fn,           \
 410                 .entry  = hpp__entry_ ## _fn,           \
 411                 .cmp    = hpp__nop_cmp,                 \
 412                 .collapse = hpp__nop_cmp,               \
 413                 .sort   = hpp__sort_ ## _fn,            \
 414                 .idx    = PERF_HPP__ ## _idx,           \
 415                 .equal  = hpp__equal,                   \
 416         }
 417
 418 #define HPP__PRINT_FNS(_name, _fn, _idx)                \
 419         {                                               \
 420                 .name   = _name,                        \
 421                 .header = hpp__header_fn,               \
 422                 .width  = hpp__width_fn,                \
 423                 .entry  = hpp__entry_ ## _fn,           \
 424                 .cmp    = hpp__nop_cmp,                 \
 425                 .collapse = hpp__nop_cmp,               \
 426                 .sort   = hpp__sort_ ## _fn,            \
 427                 .idx    = PERF_HPP__ ## _idx,           \
 428                 .equal  = hpp__equal,                   \
 429         }
 430
 431 struct perf_hpp_fmt perf_hpp__format[] = {
 432         HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
 433         HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
 434         HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
 435         HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
 436         HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
 437         HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
 438         HPP__PRINT_FNS("Samples", samples, SAMPLES),
 439         HPP__PRINT_FNS("Period", period, PERIOD)
 440 };
 441
 442 struct perf_hpp_list perf_hpp_list = {
 443         .fields = LIST_HEAD_INIT(perf_hpp_list.fields),
 444         .sorts  = LIST_HEAD_INIT(perf_hpp_list.sorts),
 445         .nr_header_lines = 1,
 446 };
 447
 448 #undef HPP__COLOR_PRINT_FNS
 449 #undef HPP__COLOR_ACC_PRINT_FNS
 450 #undef HPP__PRINT_FNS
 451
 452 #undef HPP_PERCENT_FNS
 453 #undef HPP_PERCENT_ACC_FNS
 454 #undef HPP_RAW_FNS
 455
 456 #undef __HPP_HEADER_FN
 457 #undef __HPP_WIDTH_FN
 458 #undef __HPP_COLOR_PERCENT_FN
 459 #undef __HPP_ENTRY_PERCENT_FN
 460 #undef __HPP_COLOR_ACC_PERCENT_FN
 461 #undef __HPP_ENTRY_ACC_PERCENT_FN
 462 #undef __HPP_ENTRY_RAW_FN
 463 #undef __HPP_SORT_FN
 464 #undef __HPP_SORT_ACC_FN
 465 #undef __HPP_SORT_RAW_FN
 466
 467
 468 void perf_hpp__init(void)
 469 {
 470         int i;
 471
 472         for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
 473                 struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
 474
 475                 INIT_LIST_HEAD(&fmt->list);
 476
 477                 /* sort_list may be linked by setup_sorting() */
 478                 if (fmt->sort_list.next == NULL)
 479                         INIT_LIST_HEAD(&fmt->sort_list);
 480         }
 481
 482         /*
 483          * If user specified field order, no need to setup default fields.
 484          */
 485         if (is_strict_order(field_order))
 486                 return;
 487
 488         if (symbol_conf.cumulate_callchain) {
 489                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
 490                 perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
 491         }
 492
 493         hpp_dimension__add_output(PERF_HPP__OVERHEAD);
 494
 495         if (symbol_conf.show_cpu_utilization) {
 496                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
 497                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
 498
 499                 if (perf_guest) {
 500                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
 501                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
 502                 }
 503         }
 504
 505         if (symbol_conf.show_nr_samples)
 506                 hpp_dimension__add_output(PERF_HPP__SAMPLES);
 507
 508         if (symbol_conf.show_total_period)
 509                 hpp_dimension__add_output(PERF_HPP__PERIOD);
 510 }
 511
 512 void perf_hpp_list__column_register(struct perf_hpp_list *list,
 513                                     struct perf_hpp_fmt *format)
 514 {
 515         list_add_tail(&format->list, &list->fields);
 516 }
 517
 518 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
 519                                         struct perf_hpp_fmt *format)
 520 {
 521         list_add_tail(&format->sort_list, &list->sorts);
 522 }
 523
 524 void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
 525 {
 526         list_del(&format->list);
 527 }
 528
 529 void perf_hpp__cancel_cumulate(void)
 530 {
 531         struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
 532
 533         if (is_strict_order(field_order))
 534                 return;
 535
 536         ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
 537         acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
 538
 539         perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
 540                 if (acc->equal(acc, fmt)) {
 541                         perf_hpp__column_unregister(fmt);
 542                         continue;
 543                 }
 544
 545                 if (ovh->equal(ovh, fmt))
 546                         fmt->name = "Overhead";
 547         }
 548 }
 549
 550 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 551 {
 552         return a->equal && a->equal(a, b);
 553 }
 554
 555 void perf_hpp__setup_output_field(struct perf_hpp_list *list)
 556 {
 557         struct perf_hpp_fmt *fmt;
 558
 559         /* append sort keys to output field */
 560         perf_hpp_list__for_each_sort_list(list, fmt) {
 561                 struct perf_hpp_fmt *pos;
 562
 563                 /* skip sort-only fields ("sort_compute" in perf diff) */
 564                 if (!fmt->entry && !fmt->color)
 565                         continue;
 566
 567                 perf_hpp_list__for_each_format(list, pos) {
 568                         if (fmt_equal(fmt, pos))
 569                                 goto next;
 570                 }
 571
 572                 perf_hpp__column_register(fmt);
 573 next:
 574                 continue;
 575         }
 576 }
 577
 578 void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
 579 {
 580         struct perf_hpp_fmt *fmt;
 581
 582         /* append output fields to sort keys */
 583         perf_hpp_list__for_each_format(list, fmt) {
 584                 struct perf_hpp_fmt *pos;
 585
 586                 perf_hpp_list__for_each_sort_list(list, pos) {
 587                         if (fmt_equal(fmt, pos))
 588                                 goto next;
 589                 }
 590
 591                 perf_hpp__register_sort_field(fmt);
 592 next:
 593                 continue;
 594         }
 595 }
 596
 597
 598 static void fmt_free(struct perf_hpp_fmt *fmt)
 599 {
 600         if (fmt->free)
 601                 fmt->free(fmt);
 602 }
 603
 604 void perf_hpp__reset_output_field(struct perf_hpp_list *list)
 605 {
 606         struct perf_hpp_fmt *fmt, *tmp;
 607
 608         /* reset output fields */
 609         perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
 610                 list_del_init(&fmt->list);
 611                 list_del_init(&fmt->sort_list);
 612                 fmt_free(fmt);
 613         }
 614
 615         /* reset sort keys */
 616         perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
 617                 list_del_init(&fmt->list);
 618                 list_del_init(&fmt->sort_list);
 619                 fmt_free(fmt);
 620         }
 621 }
 622
 623 /*
 624  * See hists__fprintf to match the column widths
 625  */
 626 unsigned int hists__sort_list_width(struct hists *hists)
 627 {
 628         struct perf_hpp_fmt *fmt;
 629         int ret = 0;
 630         bool first = true;
 631         struct perf_hpp dummy_hpp;
 632
 633         hists__for_each_format(hists, fmt) {
 634                 if (perf_hpp__should_skip(fmt, hists))
 635                         continue;
 636
 637                 if (first)
 638                         first = false;
 639                 else
 640                         ret += 2;
 641
 642                 ret += fmt->width(fmt, &dummy_hpp, hists);
 643         }
 644
 645         if (verbose && hists__has(hists, sym)) /* Addr + origin */
 646                 ret += 3 + BITS_PER_LONG / 4;
 647
 648         return ret;
 649 }
 650
 651 unsigned int hists__overhead_width(struct hists *hists)
 652 {
 653         struct perf_hpp_fmt *fmt;
 654         int ret = 0;
 655         bool first = true;
 656         struct perf_hpp dummy_hpp;
 657
 658         hists__for_each_format(hists, fmt) {
 659                 if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
 660                         break;
 661
 662                 if (first)
 663                         first = false;
 664                 else
 665                         ret += 2;
 666
 667                 ret += fmt->width(fmt, &dummy_hpp, hists);
 668         }
 669
 670         return ret;
 671 }
 672
 673 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
 674 {
 675         if (perf_hpp__is_sort_entry(fmt))
 676                 return perf_hpp__reset_sort_width(fmt, hists);
 677
 678         if (perf_hpp__is_dynamic_entry(fmt))
 679                 return;
 680
 681         BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
 682
 683         switch (fmt->idx) {
 684         case PERF_HPP__OVERHEAD:
 685         case PERF_HPP__OVERHEAD_SYS:
 686         case PERF_HPP__OVERHEAD_US:
 687         case PERF_HPP__OVERHEAD_ACC:
 688                 fmt->len = 8;
 689                 break;
 690
 691         case PERF_HPP__OVERHEAD_GUEST_SYS:
 692         case PERF_HPP__OVERHEAD_GUEST_US:
 693                 fmt->len = 9;
 694                 break;
 695
 696         case PERF_HPP__SAMPLES:
 697         case PERF_HPP__PERIOD:
 698                 fmt->len = 12;
 699                 break;
 700
 701         default:
 702                 break;
 703         }
 704 }
 705
 706 void hists__reset_column_width(struct hists *hists)
 707 {
 708         struct perf_hpp_fmt *fmt;
 709         struct perf_hpp_list_node *node;
 710
 711         hists__for_each_format(hists, fmt)
 712                 perf_hpp__reset_width(fmt, hists);
 713
 714         /* hierarchy entries have their own hpp list */
 715         list_for_each_entry(node, &hists->hpp_formats, list) {
 716                 perf_hpp_list__for_each_format(&node->hpp, fmt)
 717                         perf_hpp__reset_width(fmt, hists);
 718         }
 719 }
 720
 721 void perf_hpp__set_user_width(const char *width_list_str)
 722 {
 723         struct perf_hpp_fmt *fmt;
 724         const char *ptr = width_list_str;
 725
 726         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
 727                 char *p;
 728
 729                 int len = strtol(ptr, &p, 10);
 730                 fmt->user_len = len;
 731
 732                 if (*p == ',')
 733                         ptr = p + 1;
 734                 else
 735                         break;
 736         }
 737 }
 738
 739 static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
 740 {
 741         struct perf_hpp_list_node *node = NULL;
 742         struct perf_hpp_fmt *fmt_copy;
 743         bool found = false;
 744         bool skip = perf_hpp__should_skip(fmt, hists);
 745
 746         list_for_each_entry(node, &hists->hpp_formats, list) {
 747                 if (node->level == fmt->level) {
 748                         found = true;
 749                         break;
 750                 }
 751         }
 752
 753         if (!found) {
 754                 node = malloc(sizeof(*node));
 755                 if (node == NULL)
 756                         return -1;
 757
 758                 node->skip = skip;
 759                 node->level = fmt->level;
 760                 perf_hpp_list__init(&node->hpp);
 761
 762                 hists->nr_hpp_node++;
 763                 list_add_tail(&node->list, &hists->hpp_formats);
 764         }
 765
 766         fmt_copy = perf_hpp_fmt__dup(fmt);
 767         if (fmt_copy == NULL)
 768                 return -1;
 769
 770         if (!skip)
 771                 node->skip = false;
 772
 773         list_add_tail(&fmt_copy->list, &node->hpp.fields);
 774         list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
 775
 776         return 0;
 777 }
 778
 779 int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
 780                                   struct perf_evlist *evlist)
 781 {
 782         struct perf_evsel *evsel;
 783         struct perf_hpp_fmt *fmt;
 784         struct hists *hists;
 785         int ret;
 786
 787         if (!symbol_conf.report_hierarchy)
 788                 return 0;
 789
 790         evlist__for_each_entry(evlist, evsel) {
 791                 hists = evsel__hists(evsel);
 792
 793                 perf_hpp_list__for_each_sort_list(list, fmt) {
 794                         if (perf_hpp__is_dynamic_entry(fmt) &&
 795                             !perf_hpp__defined_dynamic_entry(fmt, hists))
 796                                 continue;
 797
 798                         ret = add_hierarchy_fmt(hists, fmt);
 799                         if (ret < 0)
 800                                 return ret;
 801                 }
 802         }
 803
 804         return 0;
 805 }