tools/perf/ui/hist.c

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