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                 if (callchain_param.order == ORDER_CALLER)
 214                         ret = -ret;
 215         }
 216         return ret;
 217 }
 218
 219 static int hpp__width_fn(struct perf_hpp_fmt *fmt,
 220                          struct perf_hpp *hpp __maybe_unused,
 221                          struct hists *hists)
 222 {
 223         int len = fmt->user_len ?: fmt->len;
 224         struct perf_evsel *evsel = hists_to_evsel(hists);
 225
 226         if (symbol_conf.event_group)
 227                 len = max(len, evsel->nr_members * fmt->len);
 228
 229         if (len < (int)strlen(fmt->name))
 230                 len = strlen(fmt->name);
 231
 232         return len;
 233 }
 234
 235 static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 236                           struct hists *hists, int line __maybe_unused,
 237                           int *span __maybe_unused)
 238 {
 239         int len = hpp__width_fn(fmt, hpp, hists);
 240         return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
 241 }
 242
 243 int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 244 {
 245         va_list args;
 246         ssize_t ssize = hpp->size;
 247         double percent;
 248         int ret, len;
 249
 250         va_start(args, fmt);
 251         len = va_arg(args, int);
 252         percent = va_arg(args, double);
 253         ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
 254         va_end(args);
 255
 256         return (ret >= ssize) ? (ssize - 1) : ret;
 257 }
 258
 259 static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 260 {
 261         va_list args;
 262         ssize_t ssize = hpp->size;
 263         int ret;
 264
 265         va_start(args, fmt);
 266         ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
 267         va_end(args);
 268
 269         return (ret >= ssize) ? (ssize - 1) : ret;
 270 }
 271
 272 #define __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 273 static u64 he_get_##_field(struct hist_entry *he)                               \
 274 {                                                                               \
 275         return he->stat._field;                                                 \
 276 }                                                                               \
 277                                                                                 \
 278 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
 279                               struct perf_hpp *hpp, struct hist_entry *he)      \
 280 {                                                                               \
 281         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
 282                         hpp_color_scnprintf, true);                             \
 283 }
 284
 285 #define __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
 286 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 287                               struct perf_hpp *hpp, struct hist_entry *he)      \
 288 {                                                                               \
 289         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
 290                         hpp_entry_scnprintf, true);                             \
 291 }
 292
 293 #define __HPP_SORT_FN(_type, _field)                                            \
 294 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 295                                  struct hist_entry *a, struct hist_entry *b)    \
 296 {                                                                               \
 297         return __hpp__sort(a, b, he_get_##_field);                              \
 298 }
 299
 300 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 301 static u64 he_get_acc_##_field(struct hist_entry *he)                           \
 302 {                                                                               \
 303         return he->stat_acc->_field;                                            \
 304 }                                                                               \
 305                                                                                 \
 306 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
 307                               struct perf_hpp *hpp, struct hist_entry *he)      \
 308 {                                                                               \
 309         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 310                             hpp_color_scnprintf, true);                         \
 311 }
 312
 313 #define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 314 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 315                               struct perf_hpp *hpp, struct hist_entry *he)      \
 316 {                                                                               \
 317         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 318                             hpp_entry_scnprintf, true);                         \
 319 }
 320
 321 #define __HPP_SORT_ACC_FN(_type, _field)                                        \
 322 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 323                                  struct hist_entry *a, struct hist_entry *b)    \
 324 {                                                                               \
 325         return __hpp__sort_acc(a, b, he_get_acc_##_field);                      \
 326 }
 327
 328 #define __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 329 static u64 he_get_raw_##_field(struct hist_entry *he)                           \
 330 {                                                                               \
 331         return he->stat._field;                                                 \
 332 }                                                                               \
 333                                                                                 \
 334 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 335                               struct perf_hpp *hpp, struct hist_entry *he)      \
 336 {                                                                               \
 337         return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64,         \
 338                         hpp_entry_scnprintf, false);                            \
 339 }
 340
 341 #define __HPP_SORT_RAW_FN(_type, _field)                                        \
 342 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 343                                  struct hist_entry *a, struct hist_entry *b)    \
 344 {                                                                               \
 345         return __hpp__sort(a, b, he_get_raw_##_field);                          \
 346 }
 347
 348
 349 #define HPP_PERCENT_FNS(_type, _field)                                  \
 350 __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 351 __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
 352 __HPP_SORT_FN(_type, _field)
 353
 354 #define HPP_PERCENT_ACC_FNS(_type, _field)                              \
 355 __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 356 __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 357 __HPP_SORT_ACC_FN(_type, _field)
 358
 359 #define HPP_RAW_FNS(_type, _field)                                      \
 360 __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 361 __HPP_SORT_RAW_FN(_type, _field)
 362
 363 HPP_PERCENT_FNS(overhead, period)
 364 HPP_PERCENT_FNS(overhead_sys, period_sys)
 365 HPP_PERCENT_FNS(overhead_us, period_us)
 366 HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
 367 HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
 368 HPP_PERCENT_ACC_FNS(overhead_acc, period)
 369
 370 HPP_RAW_FNS(samples, nr_events)
 371 HPP_RAW_FNS(period, period)
 372
 373 static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 374                             struct hist_entry *a __maybe_unused,
 375                             struct hist_entry *b __maybe_unused)
 376 {
 377         return 0;
 378 }
 379
 380 static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
 381 {
 382         return a->header == hpp__header_fn;
 383 }
 384
 385 static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 386 {
 387         if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
 388                 return false;
 389
 390         return a->idx == b->idx;
 391 }
 392
 393 #define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)          \
 394         {                                               \
 395                 .name   = _name,                        \
 396                 .header = hpp__header_fn,               \
 397                 .width  = hpp__width_fn,                \
 398                 .color  = hpp__color_ ## _fn,           \
 399                 .entry  = hpp__entry_ ## _fn,           \
 400                 .cmp    = hpp__nop_cmp,                 \
 401                 .collapse = hpp__nop_cmp,               \
 402                 .sort   = hpp__sort_ ## _fn,            \
 403                 .idx    = PERF_HPP__ ## _idx,           \
 404                 .equal  = hpp__equal,                   \
 405         }
 406
 407 #define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)      \
 408         {                                               \
 409                 .name   = _name,                        \
 410                 .header = hpp__header_fn,               \
 411                 .width  = hpp__width_fn,                \
 412                 .color  = hpp__color_ ## _fn,           \
 413                 .entry  = hpp__entry_ ## _fn,           \
 414                 .cmp    = hpp__nop_cmp,                 \
 415                 .collapse = hpp__nop_cmp,               \
 416                 .sort   = hpp__sort_ ## _fn,            \
 417                 .idx    = PERF_HPP__ ## _idx,           \
 418                 .equal  = hpp__equal,                   \
 419         }
 420
 421 #define HPP__PRINT_FNS(_name, _fn, _idx)                \
 422         {                                               \
 423                 .name   = _name,                        \
 424                 .header = hpp__header_fn,               \
 425                 .width  = hpp__width_fn,                \
 426                 .entry  = hpp__entry_ ## _fn,           \
 427                 .cmp    = hpp__nop_cmp,                 \
 428                 .collapse = hpp__nop_cmp,               \
 429                 .sort   = hpp__sort_ ## _fn,            \
 430                 .idx    = PERF_HPP__ ## _idx,           \
 431                 .equal  = hpp__equal,                   \
 432         }
 433
 434 struct perf_hpp_fmt perf_hpp__format[] = {
 435         HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
 436         HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
 437         HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
 438         HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
 439         HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
 440         HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
 441         HPP__PRINT_FNS("Samples", samples, SAMPLES),
 442         HPP__PRINT_FNS("Period", period, PERIOD)
 443 };
 444
 445 struct perf_hpp_list perf_hpp_list = {
 446         .fields = LIST_HEAD_INIT(perf_hpp_list.fields),
 447         .sorts  = LIST_HEAD_INIT(perf_hpp_list.sorts),
 448         .nr_header_lines = 1,
 449 };
 450
 451 #undef HPP__COLOR_PRINT_FNS
 452 #undef HPP__COLOR_ACC_PRINT_FNS
 453 #undef HPP__PRINT_FNS
 454
 455 #undef HPP_PERCENT_FNS
 456 #undef HPP_PERCENT_ACC_FNS
 457 #undef HPP_RAW_FNS
 458
 459 #undef __HPP_HEADER_FN
 460 #undef __HPP_WIDTH_FN
 461 #undef __HPP_COLOR_PERCENT_FN
 462 #undef __HPP_ENTRY_PERCENT_FN
 463 #undef __HPP_COLOR_ACC_PERCENT_FN
 464 #undef __HPP_ENTRY_ACC_PERCENT_FN
 465 #undef __HPP_ENTRY_RAW_FN
 466 #undef __HPP_SORT_FN
 467 #undef __HPP_SORT_ACC_FN
 468 #undef __HPP_SORT_RAW_FN
 469
 470
 471 void perf_hpp__init(void)
 472 {
 473         int i;
 474
 475         for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
 476                 struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
 477
 478                 INIT_LIST_HEAD(&fmt->list);
 479
 480                 /* sort_list may be linked by setup_sorting() */
 481                 if (fmt->sort_list.next == NULL)
 482                         INIT_LIST_HEAD(&fmt->sort_list);
 483         }
 484
 485         /*
 486          * If user specified field order, no need to setup default fields.
 487          */
 488         if (is_strict_order(field_order))
 489                 return;
 490
 491         if (symbol_conf.cumulate_callchain) {
 492                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
 493                 perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
 494         }
 495
 496         hpp_dimension__add_output(PERF_HPP__OVERHEAD);
 497
 498         if (symbol_conf.show_cpu_utilization) {
 499                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
 500                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
 501
 502                 if (perf_guest) {
 503                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
 504                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
 505                 }
 506         }
 507
 508         if (symbol_conf.show_nr_samples)
 509                 hpp_dimension__add_output(PERF_HPP__SAMPLES);
 510
 511         if (symbol_conf.show_total_period)
 512                 hpp_dimension__add_output(PERF_HPP__PERIOD);
 513 }
 514
 515 void perf_hpp_list__column_register(struct perf_hpp_list *list,
 516                                     struct perf_hpp_fmt *format)
 517 {
 518         list_add_tail(&format->list, &list->fields);
 519 }
 520
 521 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
 522                                         struct perf_hpp_fmt *format)
 523 {
 524         list_add_tail(&format->sort_list, &list->sorts);
 525 }
 526
 527 void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
 528                                        struct perf_hpp_fmt *format)
 529 {
 530         list_add(&format->sort_list, &list->sorts);
 531 }
 532
 533 void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
 534 {
 535         list_del_init(&format->list);
 536 }
 537
 538 void perf_hpp__cancel_cumulate(void)
 539 {
 540         struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
 541
 542         if (is_strict_order(field_order))
 543                 return;
 544
 545         ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
 546         acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
 547
 548         perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
 549                 if (acc->equal(acc, fmt)) {
 550                         perf_hpp__column_unregister(fmt);
 551                         continue;
 552                 }
 553
 554                 if (ovh->equal(ovh, fmt))
 555                         fmt->name = "Overhead";
 556         }
 557 }
 558
 559 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 560 {
 561         return a->equal && a->equal(a, b);
 562 }
 563
 564 void perf_hpp__setup_output_field(struct perf_hpp_list *list)
 565 {
 566         struct perf_hpp_fmt *fmt;
 567
 568         /* append sort keys to output field */
 569         perf_hpp_list__for_each_sort_list(list, fmt) {
 570                 struct perf_hpp_fmt *pos;
 571
 572                 /* skip sort-only fields ("sort_compute" in perf diff) */
 573                 if (!fmt->entry && !fmt->color)
 574                         continue;
 575
 576                 perf_hpp_list__for_each_format(list, pos) {
 577                         if (fmt_equal(fmt, pos))
 578                                 goto next;
 579                 }
 580
 581                 perf_hpp__column_register(fmt);
 582 next:
 583                 continue;
 584         }
 585 }
 586
 587 void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
 588 {
 589         struct perf_hpp_fmt *fmt;
 590
 591         /* append output fields to sort keys */
 592         perf_hpp_list__for_each_format(list, fmt) {
 593                 struct perf_hpp_fmt *pos;
 594
 595                 perf_hpp_list__for_each_sort_list(list, pos) {
 596                         if (fmt_equal(fmt, pos))
 597                                 goto next;
 598                 }
 599
 600                 perf_hpp__register_sort_field(fmt);
 601 next:
 602                 continue;
 603         }
 604 }
 605
 606
 607 static void fmt_free(struct perf_hpp_fmt *fmt)
 608 {
 609         /*
 610          * At this point fmt should be completely
 611          * unhooked, if not it's a bug.
 612          */
 613         BUG_ON(!list_empty(&fmt->list));
 614         BUG_ON(!list_empty(&fmt->sort_list));
 615
 616         if (fmt->free)
 617                 fmt->free(fmt);
 618 }
 619
 620 void perf_hpp__reset_output_field(struct perf_hpp_list *list)
 621 {
 622         struct perf_hpp_fmt *fmt, *tmp;
 623
 624         /* reset output fields */
 625         perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
 626                 list_del_init(&fmt->list);
 627                 list_del_init(&fmt->sort_list);
 628                 fmt_free(fmt);
 629         }
 630
 631         /* reset sort keys */
 632         perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
 633                 list_del_init(&fmt->list);
 634                 list_del_init(&fmt->sort_list);
 635                 fmt_free(fmt);
 636         }
 637 }
 638
 639 /*
 640  * See hists__fprintf to match the column widths
 641  */
 642 unsigned int hists__sort_list_width(struct hists *hists)
 643 {
 644         struct perf_hpp_fmt *fmt;
 645         int ret = 0;
 646         bool first = true;
 647         struct perf_hpp dummy_hpp;
 648
 649         hists__for_each_format(hists, fmt) {
 650                 if (perf_hpp__should_skip(fmt, hists))
 651                         continue;
 652
 653                 if (first)
 654                         first = false;
 655                 else
 656                         ret += 2;
 657
 658                 ret += fmt->width(fmt, &dummy_hpp, hists);
 659         }
 660
 661         if (verbose > 0 && hists__has(hists, sym)) /* Addr + origin */
 662                 ret += 3 + BITS_PER_LONG / 4;
 663
 664         return ret;
 665 }
 666
 667 unsigned int hists__overhead_width(struct hists *hists)
 668 {
 669         struct perf_hpp_fmt *fmt;
 670         int ret = 0;
 671         bool first = true;
 672         struct perf_hpp dummy_hpp;
 673
 674         hists__for_each_format(hists, fmt) {
 675                 if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
 676                         break;
 677
 678                 if (first)
 679                         first = false;
 680                 else
 681                         ret += 2;
 682
 683                 ret += fmt->width(fmt, &dummy_hpp, hists);
 684         }
 685
 686         return ret;
 687 }
 688
 689 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
 690 {
 691         if (perf_hpp__is_sort_entry(fmt))
 692                 return perf_hpp__reset_sort_width(fmt, hists);
 693
 694         if (perf_hpp__is_dynamic_entry(fmt))
 695                 return;
 696
 697         BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
 698
 699         switch (fmt->idx) {
 700         case PERF_HPP__OVERHEAD:
 701         case PERF_HPP__OVERHEAD_SYS:
 702         case PERF_HPP__OVERHEAD_US:
 703         case PERF_HPP__OVERHEAD_ACC:
 704                 fmt->len = 8;
 705                 break;
 706
 707         case PERF_HPP__OVERHEAD_GUEST_SYS:
 708         case PERF_HPP__OVERHEAD_GUEST_US:
 709                 fmt->len = 9;
 710                 break;
 711
 712         case PERF_HPP__SAMPLES:
 713         case PERF_HPP__PERIOD:
 714                 fmt->len = 12;
 715                 break;
 716
 717         default:
 718                 break;
 719         }
 720 }
 721
 722 void hists__reset_column_width(struct hists *hists)
 723 {
 724         struct perf_hpp_fmt *fmt;
 725         struct perf_hpp_list_node *node;
 726
 727         hists__for_each_format(hists, fmt)
 728                 perf_hpp__reset_width(fmt, hists);
 729
 730         /* hierarchy entries have their own hpp list */
 731         list_for_each_entry(node, &hists->hpp_formats, list) {
 732                 perf_hpp_list__for_each_format(&node->hpp, fmt)
 733                         perf_hpp__reset_width(fmt, hists);
 734         }
 735 }
 736
 737 void perf_hpp__set_user_width(const char *width_list_str)
 738 {
 739         struct perf_hpp_fmt *fmt;
 740         const char *ptr = width_list_str;
 741
 742         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
 743                 char *p;
 744
 745                 int len = strtol(ptr, &p, 10);
 746                 fmt->user_len = len;
 747
 748                 if (*p == ',')
 749                         ptr = p + 1;
 750                 else
 751                         break;
 752         }
 753 }
 754
 755 static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
 756 {
 757         struct perf_hpp_list_node *node = NULL;
 758         struct perf_hpp_fmt *fmt_copy;
 759         bool found = false;
 760         bool skip = perf_hpp__should_skip(fmt, hists);
 761
 762         list_for_each_entry(node, &hists->hpp_formats, list) {
 763                 if (node->level == fmt->level) {
 764                         found = true;
 765                         break;
 766                 }
 767         }
 768
 769         if (!found) {
 770                 node = malloc(sizeof(*node));
 771                 if (node == NULL)
 772                         return -1;
 773
 774                 node->skip = skip;
 775                 node->level = fmt->level;
 776                 perf_hpp_list__init(&node->hpp);
 777
 778                 hists->nr_hpp_node++;
 779                 list_add_tail(&node->list, &hists->hpp_formats);
 780         }
 781
 782         fmt_copy = perf_hpp_fmt__dup(fmt);
 783         if (fmt_copy == NULL)
 784                 return -1;
 785
 786         if (!skip)
 787                 node->skip = false;
 788
 789         list_add_tail(&fmt_copy->list, &node->hpp.fields);
 790         list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
 791
 792         return 0;
 793 }
 794
 795 int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
 796                                   struct perf_evlist *evlist)
 797 {
 798         struct perf_evsel *evsel;
 799         struct perf_hpp_fmt *fmt;
 800         struct hists *hists;
 801         int ret;
 802
 803         if (!symbol_conf.report_hierarchy)
 804                 return 0;
 805
 806         evlist__for_each_entry(evlist, evsel) {
 807                 hists = evsel__hists(evsel);
 808
 809                 perf_hpp_list__for_each_sort_list(list, fmt) {
 810                         if (perf_hpp__is_dynamic_entry(fmt) &&
 811                             !perf_hpp__defined_dynamic_entry(fmt, hists))
 812                                 continue;
 813
 814                         ret = add_hierarchy_fmt(hists, fmt);
 815                         if (ret < 0)
 816                                 return ret;
 817                 }
 818         }
 819
 820         return 0;
 821 }