tools/perf/ui/hist.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <inttypes.h>
   3 #include <math.h>
   4 #include <stdlib.h>
   5 #include <string.h>
   6 #include <linux/compiler.h>
   7
   8 #include "../util/callchain.h"
   9 #include "../util/debug.h"
  10 #include "../util/hist.h"
  11 #include "../util/sort.h"
  12 #include "../util/evsel.h"
  13 #include "../util/evlist.h"
  14 #include "../util/thread.h"
  15 #include "../util/util.h"
  16
  17 /* hist period print (hpp) functions */
  18
  19 #define hpp__call_print_fn(hpp, fn, fmt, ...)                   \
  20 ({                                                              \
  21         int __ret = fn(hpp, fmt, ##__VA_ARGS__);                \
  22         advance_hpp(hpp, __ret);                                \
  23         __ret;                                                  \
  24 })
  25
  26 static int __hpp__fmt_print(struct perf_hpp *hpp, struct hists *hists, u64 val,
  27                             int nr_samples, const char *fmt, int len,
  28                             hpp_snprint_fn print_fn, enum perf_hpp_fmt_type fmtype)
  29 {
  30         if (fmtype == PERF_HPP_FMT_TYPE__PERCENT) {
  31                 double percent = 0.0;
  32                 u64 total = hists__total_period(hists);
  33
  34                 if (total)
  35                         percent = 100.0 * val / total;
  36
  37                 return hpp__call_print_fn(hpp, print_fn, fmt, len, percent);
  38         }
  39
  40         if (fmtype == PERF_HPP_FMT_TYPE__AVERAGE) {
  41                 double avg = nr_samples ? (1.0 * val / nr_samples) : 0;
  42
  43                 return hpp__call_print_fn(hpp, print_fn, fmt, len, avg);
  44         }
  45
  46         return hpp__call_print_fn(hpp, print_fn, fmt, len, val);
  47 }
  48
  49 struct hpp_fmt_value {
  50         struct hists *hists;
  51         u64 val;
  52         int samples;
  53 };
  54
  55 static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
  56                       hpp_field_fn get_field, const char *fmt, int len,
  57                       hpp_snprint_fn print_fn, enum perf_hpp_fmt_type fmtype)
  58 {
  59         int ret = 0;
  60         struct hists *hists = he->hists;
  61         struct evsel *evsel = hists_to_evsel(hists);
  62         struct evsel *pos;
  63         char *buf = hpp->buf;
  64         size_t size = hpp->size;
  65         int i = 0, nr_members = 1;
  66         struct hpp_fmt_value *values;
  67
  68         if (evsel__is_group_event(evsel))
  69                 nr_members = evsel->core.nr_members;
  70
  71         values = calloc(nr_members, sizeof(*values));
  72         if (values == NULL)
  73                 return 0;
  74
  75         values[0].hists = evsel__hists(evsel);
  76         values[0].val = get_field(he);
  77         values[0].samples = he->stat.nr_events;
  78
  79         if (evsel__is_group_event(evsel)) {
  80                 struct hist_entry *pair;
  81
  82                 for_each_group_member(pos, evsel)
  83                         values[++i].hists = evsel__hists(pos);
  84
  85                 list_for_each_entry(pair, &he->pairs.head, pairs.node) {
  86                         for (i = 0; i < nr_members; i++) {
  87                                 if (values[i].hists != pair->hists)
  88                                         continue;
  89
  90                                 values[i].val = get_field(pair);
  91                                 values[i].samples = pair->stat.nr_events;
  92                                 break;
  93                         }
  94                 }
  95         }
  96
  97         for (i = 0; i < nr_members; i++) {
  98                 if (symbol_conf.skip_empty &&
  99                     values[i].hists->stats.nr_samples == 0)
 100                         continue;
 101
 102                 ret += __hpp__fmt_print(hpp, values[i].hists, values[i].val,
 103                                         values[i].samples, fmt, len,
 104                                         print_fn, fmtype);
 105         }
 106
 107         free(values);
 108
 109         /*
 110          * Restore original buf and size as it's where caller expects
 111          * the result will be saved.
 112          */
 113         hpp->buf = buf;
 114         hpp->size = size;
 115
 116         return ret;
 117 }
 118
 119 int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 120              struct hist_entry *he, hpp_field_fn get_field,
 121              const char *fmtstr, hpp_snprint_fn print_fn,
 122              enum perf_hpp_fmt_type fmtype)
 123 {
 124         int len = fmt->user_len ?: fmt->len;
 125
 126         if (symbol_conf.field_sep) {
 127                 return __hpp__fmt(hpp, he, get_field, fmtstr, 1,
 128                                   print_fn, fmtype);
 129         }
 130
 131         if (fmtype == PERF_HPP_FMT_TYPE__PERCENT)
 132                 len -= 2; /* 2 for a space and a % sign */
 133         else
 134                 len -= 1;
 135
 136         return  __hpp__fmt(hpp, he, get_field, fmtstr, len, print_fn, fmtype);
 137 }
 138
 139 int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 140                  struct hist_entry *he, hpp_field_fn get_field,
 141                  const char *fmtstr, hpp_snprint_fn print_fn,
 142                  enum perf_hpp_fmt_type fmtype)
 143 {
 144         if (!symbol_conf.cumulate_callchain) {
 145                 int len = fmt->user_len ?: fmt->len;
 146                 return snprintf(hpp->buf, hpp->size, " %*s", len - 1, "N/A");
 147         }
 148
 149         return hpp__fmt(fmt, hpp, he, get_field, fmtstr, print_fn, fmtype);
 150 }
 151
 152 static int field_cmp(u64 field_a, u64 field_b)
 153 {
 154         if (field_a > field_b)
 155                 return 1;
 156         if (field_a < field_b)
 157                 return -1;
 158         return 0;
 159 }
 160
 161 static int hist_entry__new_pair(struct hist_entry *a, struct hist_entry *b,
 162                                 hpp_field_fn get_field, int nr_members,
 163                                 u64 **fields_a, u64 **fields_b)
 164 {
 165         u64 *fa = calloc(nr_members, sizeof(*fa)),
 166             *fb = calloc(nr_members, sizeof(*fb));
 167         struct hist_entry *pair;
 168
 169         if (!fa || !fb)
 170                 goto out_free;
 171
 172         list_for_each_entry(pair, &a->pairs.head, pairs.node) {
 173                 struct evsel *evsel = hists_to_evsel(pair->hists);
 174                 fa[evsel__group_idx(evsel)] = get_field(pair);
 175         }
 176
 177         list_for_each_entry(pair, &b->pairs.head, pairs.node) {
 178                 struct evsel *evsel = hists_to_evsel(pair->hists);
 179                 fb[evsel__group_idx(evsel)] = get_field(pair);
 180         }
 181
 182         *fields_a = fa;
 183         *fields_b = fb;
 184         return 0;
 185 out_free:
 186         free(fa);
 187         free(fb);
 188         *fields_a = *fields_b = NULL;
 189         return -1;
 190 }
 191
 192 static int __hpp__group_sort_idx(struct hist_entry *a, struct hist_entry *b,
 193                                  hpp_field_fn get_field, int idx)
 194 {
 195         struct evsel *evsel = hists_to_evsel(a->hists);
 196         u64 *fields_a, *fields_b;
 197         int cmp, nr_members, ret, i;
 198
 199         cmp = field_cmp(get_field(a), get_field(b));
 200         if (!evsel__is_group_event(evsel))
 201                 return cmp;
 202
 203         nr_members = evsel->core.nr_members;
 204         if (idx < 1 || idx >= nr_members)
 205                 return cmp;
 206
 207         ret = hist_entry__new_pair(a, b, get_field, nr_members, &fields_a, &fields_b);
 208         if (ret) {
 209                 ret = cmp;
 210                 goto out;
 211         }
 212
 213         ret = field_cmp(fields_a[idx], fields_b[idx]);
 214         if (ret)
 215                 goto out;
 216
 217         for (i = 1; i < nr_members; i++) {
 218                 if (i != idx) {
 219                         ret = field_cmp(fields_a[i], fields_b[i]);
 220                         if (ret)
 221                                 goto out;
 222                 }
 223         }
 224
 225 out:
 226         free(fields_a);
 227         free(fields_b);
 228
 229         return ret;
 230 }
 231
 232 static int __hpp__sort(struct hist_entry *a, struct hist_entry *b,
 233                        hpp_field_fn get_field)
 234 {
 235         s64 ret;
 236         int i, nr_members;
 237         struct evsel *evsel;
 238         u64 *fields_a, *fields_b;
 239
 240         if (symbol_conf.group_sort_idx && symbol_conf.event_group) {
 241                 return __hpp__group_sort_idx(a, b, get_field,
 242                                              symbol_conf.group_sort_idx);
 243         }
 244
 245         ret = field_cmp(get_field(a), get_field(b));
 246         if (ret || !symbol_conf.event_group)
 247                 return ret;
 248
 249         evsel = hists_to_evsel(a->hists);
 250         if (!evsel__is_group_event(evsel))
 251                 return ret;
 252
 253         nr_members = evsel->core.nr_members;
 254         i = hist_entry__new_pair(a, b, get_field, nr_members, &fields_a, &fields_b);
 255         if (i)
 256                 goto out;
 257
 258         for (i = 1; i < nr_members; i++) {
 259                 ret = field_cmp(fields_a[i], fields_b[i]);
 260                 if (ret)
 261                         break;
 262         }
 263
 264 out:
 265         free(fields_a);
 266         free(fields_b);
 267
 268         return ret;
 269 }
 270
 271 static int __hpp__sort_acc(struct hist_entry *a, struct hist_entry *b,
 272                            hpp_field_fn get_field)
 273 {
 274         s64 ret = 0;
 275
 276         if (symbol_conf.cumulate_callchain) {
 277                 /*
 278                  * Put caller above callee when they have equal period.
 279                  */
 280                 ret = field_cmp(get_field(a), get_field(b));
 281                 if (ret)
 282                         return ret;
 283
 284                 if ((a->thread == NULL ? NULL : RC_CHK_ACCESS(a->thread)) !=
 285                     (b->thread == NULL ? NULL : RC_CHK_ACCESS(b->thread)) ||
 286                     !hist_entry__has_callchains(a) || !symbol_conf.use_callchain)
 287                         return 0;
 288
 289                 ret = b->callchain->max_depth - a->callchain->max_depth;
 290                 if (callchain_param.order == ORDER_CALLER)
 291                         ret = -ret;
 292         }
 293         return ret;
 294 }
 295
 296 static int hpp__width_fn(struct perf_hpp_fmt *fmt,
 297                          struct perf_hpp *hpp __maybe_unused,
 298                          struct hists *hists)
 299 {
 300         int len = fmt->user_len ?: fmt->len;
 301         struct evsel *evsel = hists_to_evsel(hists);
 302
 303         if (symbol_conf.event_group) {
 304                 int nr = 0;
 305                 struct evsel *pos;
 306
 307                 for_each_group_evsel(pos, evsel) {
 308                         if (!symbol_conf.skip_empty ||
 309                             evsel__hists(pos)->stats.nr_samples)
 310                                 nr++;
 311                 }
 312
 313                 len = max(len, nr * fmt->len);
 314         }
 315
 316         if (len < (int)strlen(fmt->name))
 317                 len = strlen(fmt->name);
 318
 319         return len;
 320 }
 321
 322 static int hpp__header_fn(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 323                           struct hists *hists, int line __maybe_unused,
 324                           int *span __maybe_unused)
 325 {
 326         int len = hpp__width_fn(fmt, hpp, hists);
 327         return scnprintf(hpp->buf, hpp->size, "%*s", len, fmt->name);
 328 }
 329
 330 int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 331 {
 332         va_list args;
 333         ssize_t ssize = hpp->size;
 334         double percent;
 335         int ret, len;
 336
 337         va_start(args, fmt);
 338         len = va_arg(args, int);
 339         percent = va_arg(args, double);
 340         ret = percent_color_len_snprintf(hpp->buf, hpp->size, fmt, len, percent);
 341         va_end(args);
 342
 343         return (ret >= ssize) ? (ssize - 1) : ret;
 344 }
 345
 346 static int hpp_entry_scnprintf(struct perf_hpp *hpp, const char *fmt, ...)
 347 {
 348         va_list args;
 349         ssize_t ssize = hpp->size;
 350         int ret;
 351
 352         va_start(args, fmt);
 353         ret = vsnprintf(hpp->buf, hpp->size, fmt, args);
 354         va_end(args);
 355
 356         return (ret >= ssize) ? (ssize - 1) : ret;
 357 }
 358
 359 #define __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 360 static u64 he_get_##_field(struct hist_entry *he)                               \
 361 {                                                                               \
 362         return he->stat._field;                                                 \
 363 }                                                                               \
 364                                                                                 \
 365 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
 366                               struct perf_hpp *hpp, struct hist_entry *he)      \
 367 {                                                                               \
 368         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
 369                         hpp_color_scnprintf, PERF_HPP_FMT_TYPE__PERCENT);       \
 370 }
 371
 372 #define __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
 373 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 374                               struct perf_hpp *hpp, struct hist_entry *he)      \
 375 {                                                                               \
 376         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.2f%%",              \
 377                         hpp_entry_scnprintf, PERF_HPP_FMT_TYPE__PERCENT);       \
 378 }
 379
 380 #define __HPP_SORT_FN(_type, _field)                                            \
 381 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 382                                  struct hist_entry *a, struct hist_entry *b)    \
 383 {                                                                               \
 384         return __hpp__sort(a, b, he_get_##_field);                              \
 385 }
 386
 387 #define __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 388 static u64 he_get_acc_##_field(struct hist_entry *he)                           \
 389 {                                                                               \
 390         return he->stat_acc->_field;                                            \
 391 }                                                                               \
 392                                                                                 \
 393 static int hpp__color_##_type(struct perf_hpp_fmt *fmt,                         \
 394                               struct perf_hpp *hpp, struct hist_entry *he)      \
 395 {                                                                               \
 396         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 397                             hpp_color_scnprintf, PERF_HPP_FMT_TYPE__PERCENT);   \
 398 }
 399
 400 #define __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 401 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 402                               struct perf_hpp *hpp, struct hist_entry *he)      \
 403 {                                                                               \
 404         return hpp__fmt_acc(fmt, hpp, he, he_get_acc_##_field, " %*.2f%%",      \
 405                             hpp_entry_scnprintf, PERF_HPP_FMT_TYPE__PERCENT);   \
 406 }
 407
 408 #define __HPP_SORT_ACC_FN(_type, _field)                                        \
 409 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 410                                  struct hist_entry *a, struct hist_entry *b)    \
 411 {                                                                               \
 412         return __hpp__sort_acc(a, b, he_get_acc_##_field);                      \
 413 }
 414
 415 #define __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 416 static u64 he_get_raw_##_field(struct hist_entry *he)                           \
 417 {                                                                               \
 418         return he->stat._field;                                                 \
 419 }                                                                               \
 420                                                                                 \
 421 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 422                               struct perf_hpp *hpp, struct hist_entry *he)      \
 423 {                                                                               \
 424         return hpp__fmt(fmt, hpp, he, he_get_raw_##_field, " %*"PRIu64,         \
 425                         hpp_entry_scnprintf, PERF_HPP_FMT_TYPE__RAW);           \
 426 }
 427
 428 #define __HPP_SORT_RAW_FN(_type, _field)                                        \
 429 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 430                                  struct hist_entry *a, struct hist_entry *b)    \
 431 {                                                                               \
 432         return __hpp__sort(a, b, he_get_raw_##_field);                          \
 433 }
 434
 435 #define __HPP_ENTRY_AVERAGE_FN(_type, _field)                                   \
 436 static u64 he_get_##_field(struct hist_entry *he)                               \
 437 {                                                                               \
 438         return he->stat._field;                                                 \
 439 }                                                                               \
 440                                                                                 \
 441 static int hpp__entry_##_type(struct perf_hpp_fmt *fmt,                         \
 442                               struct perf_hpp *hpp, struct hist_entry *he)      \
 443 {                                                                               \
 444         return hpp__fmt(fmt, hpp, he, he_get_##_field, " %*.1f",                \
 445                         hpp_entry_scnprintf, PERF_HPP_FMT_TYPE__AVERAGE);       \
 446 }
 447
 448 #define __HPP_SORT_AVERAGE_FN(_type, _field)                                    \
 449 static int64_t hpp__sort_##_type(struct perf_hpp_fmt *fmt __maybe_unused,       \
 450                                  struct hist_entry *a, struct hist_entry *b)    \
 451 {                                                                               \
 452         return __hpp__sort(a, b, he_get_##_field);                              \
 453 }
 454
 455
 456 #define HPP_PERCENT_FNS(_type, _field)                                  \
 457 __HPP_COLOR_PERCENT_FN(_type, _field)                                   \
 458 __HPP_ENTRY_PERCENT_FN(_type, _field)                                   \
 459 __HPP_SORT_FN(_type, _field)
 460
 461 #define HPP_PERCENT_ACC_FNS(_type, _field)                              \
 462 __HPP_COLOR_ACC_PERCENT_FN(_type, _field)                               \
 463 __HPP_ENTRY_ACC_PERCENT_FN(_type, _field)                               \
 464 __HPP_SORT_ACC_FN(_type, _field)
 465
 466 #define HPP_RAW_FNS(_type, _field)                                      \
 467 __HPP_ENTRY_RAW_FN(_type, _field)                                       \
 468 __HPP_SORT_RAW_FN(_type, _field)
 469
 470 #define HPP_AVERAGE_FNS(_type, _field)                                  \
 471 __HPP_ENTRY_AVERAGE_FN(_type, _field)                                   \
 472 __HPP_SORT_AVERAGE_FN(_type, _field)
 473
 474 HPP_PERCENT_FNS(overhead, period)
 475 HPP_PERCENT_FNS(overhead_sys, period_sys)
 476 HPP_PERCENT_FNS(overhead_us, period_us)
 477 HPP_PERCENT_FNS(overhead_guest_sys, period_guest_sys)
 478 HPP_PERCENT_FNS(overhead_guest_us, period_guest_us)
 479 HPP_PERCENT_ACC_FNS(overhead_acc, period)
 480
 481 HPP_RAW_FNS(samples, nr_events)
 482 HPP_RAW_FNS(period, period)
 483
 484 HPP_AVERAGE_FNS(weight1, weight1)
 485 HPP_AVERAGE_FNS(weight2, weight2)
 486 HPP_AVERAGE_FNS(weight3, weight3)
 487
 488 static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 489                             struct hist_entry *a __maybe_unused,
 490                             struct hist_entry *b __maybe_unused)
 491 {
 492         return 0;
 493 }
 494
 495 static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
 496 {
 497         return a->header == hpp__header_fn;
 498 }
 499
 500 static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 501 {
 502         if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
 503                 return false;
 504
 505         return a->idx == b->idx;
 506 }
 507
 508 #define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)          \
 509         {                                               \
 510                 .name   = _name,                        \
 511                 .header = hpp__header_fn,               \
 512                 .width  = hpp__width_fn,                \
 513                 .color  = hpp__color_ ## _fn,           \
 514                 .entry  = hpp__entry_ ## _fn,           \
 515                 .cmp    = hpp__nop_cmp,                 \
 516                 .collapse = hpp__nop_cmp,               \
 517                 .sort   = hpp__sort_ ## _fn,            \
 518                 .idx    = PERF_HPP__ ## _idx,           \
 519                 .equal  = hpp__equal,                   \
 520         }
 521
 522 #define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)      \
 523         {                                               \
 524                 .name   = _name,                        \
 525                 .header = hpp__header_fn,               \
 526                 .width  = hpp__width_fn,                \
 527                 .color  = hpp__color_ ## _fn,           \
 528                 .entry  = hpp__entry_ ## _fn,           \
 529                 .cmp    = hpp__nop_cmp,                 \
 530                 .collapse = hpp__nop_cmp,               \
 531                 .sort   = hpp__sort_ ## _fn,            \
 532                 .idx    = PERF_HPP__ ## _idx,           \
 533                 .equal  = hpp__equal,                   \
 534         }
 535
 536 #define HPP__PRINT_FNS(_name, _fn, _idx)                \
 537         {                                               \
 538                 .name   = _name,                        \
 539                 .header = hpp__header_fn,               \
 540                 .width  = hpp__width_fn,                \
 541                 .entry  = hpp__entry_ ## _fn,           \
 542                 .cmp    = hpp__nop_cmp,                 \
 543                 .collapse = hpp__nop_cmp,               \
 544                 .sort   = hpp__sort_ ## _fn,            \
 545                 .idx    = PERF_HPP__ ## _idx,           \
 546                 .equal  = hpp__equal,                   \
 547         }
 548
 549 struct perf_hpp_fmt perf_hpp__format[] = {
 550         HPP__COLOR_PRINT_FNS("Overhead", overhead, OVERHEAD),
 551         HPP__COLOR_PRINT_FNS("sys", overhead_sys, OVERHEAD_SYS),
 552         HPP__COLOR_PRINT_FNS("usr", overhead_us, OVERHEAD_US),
 553         HPP__COLOR_PRINT_FNS("guest sys", overhead_guest_sys, OVERHEAD_GUEST_SYS),
 554         HPP__COLOR_PRINT_FNS("guest usr", overhead_guest_us, OVERHEAD_GUEST_US),
 555         HPP__COLOR_ACC_PRINT_FNS("Children", overhead_acc, OVERHEAD_ACC),
 556         HPP__PRINT_FNS("Samples", samples, SAMPLES),
 557         HPP__PRINT_FNS("Period", period, PERIOD),
 558         HPP__PRINT_FNS("Weight1", weight1, WEIGHT1),
 559         HPP__PRINT_FNS("Weight2", weight2, WEIGHT2),
 560         HPP__PRINT_FNS("Weight3", weight3, WEIGHT3),
 561 };
 562
 563 struct perf_hpp_list perf_hpp_list = {
 564         .fields = LIST_HEAD_INIT(perf_hpp_list.fields),
 565         .sorts  = LIST_HEAD_INIT(perf_hpp_list.sorts),
 566         .nr_header_lines = 1,
 567 };
 568
 569 #undef HPP__COLOR_PRINT_FNS
 570 #undef HPP__COLOR_ACC_PRINT_FNS
 571 #undef HPP__PRINT_FNS
 572
 573 #undef HPP_PERCENT_FNS
 574 #undef HPP_PERCENT_ACC_FNS
 575 #undef HPP_RAW_FNS
 576 #undef HPP_AVERAGE_FNS
 577
 578 #undef __HPP_HEADER_FN
 579 #undef __HPP_WIDTH_FN
 580 #undef __HPP_COLOR_PERCENT_FN
 581 #undef __HPP_ENTRY_PERCENT_FN
 582 #undef __HPP_COLOR_ACC_PERCENT_FN
 583 #undef __HPP_ENTRY_ACC_PERCENT_FN
 584 #undef __HPP_ENTRY_RAW_FN
 585 #undef __HPP_ENTRY_AVERAGE_FN
 586 #undef __HPP_SORT_FN
 587 #undef __HPP_SORT_ACC_FN
 588 #undef __HPP_SORT_RAW_FN
 589 #undef __HPP_SORT_AVERAGE_FN
 590
 591 static void fmt_free(struct perf_hpp_fmt *fmt)
 592 {
 593         /*
 594          * At this point fmt should be completely
 595          * unhooked, if not it's a bug.
 596          */
 597         BUG_ON(!list_empty(&fmt->list));
 598         BUG_ON(!list_empty(&fmt->sort_list));
 599
 600         if (fmt->free)
 601                 fmt->free(fmt);
 602 }
 603
 604 void perf_hpp__init(void)
 605 {
 606         int i;
 607
 608         for (i = 0; i < PERF_HPP__MAX_INDEX; i++) {
 609                 struct perf_hpp_fmt *fmt = &perf_hpp__format[i];
 610
 611                 INIT_LIST_HEAD(&fmt->list);
 612
 613                 /* sort_list may be linked by setup_sorting() */
 614                 if (fmt->sort_list.next == NULL)
 615                         INIT_LIST_HEAD(&fmt->sort_list);
 616         }
 617
 618         /*
 619          * If user specified field order, no need to setup default fields.
 620          */
 621         if (is_strict_order(field_order))
 622                 return;
 623
 624         if (symbol_conf.cumulate_callchain) {
 625                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_ACC);
 626                 perf_hpp__format[PERF_HPP__OVERHEAD].name = "Self";
 627         }
 628
 629         hpp_dimension__add_output(PERF_HPP__OVERHEAD);
 630
 631         if (symbol_conf.show_cpu_utilization) {
 632                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_SYS);
 633                 hpp_dimension__add_output(PERF_HPP__OVERHEAD_US);
 634
 635                 if (perf_guest) {
 636                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_SYS);
 637                         hpp_dimension__add_output(PERF_HPP__OVERHEAD_GUEST_US);
 638                 }
 639         }
 640
 641         if (symbol_conf.show_nr_samples)
 642                 hpp_dimension__add_output(PERF_HPP__SAMPLES);
 643
 644         if (symbol_conf.show_total_period)
 645                 hpp_dimension__add_output(PERF_HPP__PERIOD);
 646 }
 647
 648 void perf_hpp_list__column_register(struct perf_hpp_list *list,
 649                                     struct perf_hpp_fmt *format)
 650 {
 651         list_add_tail(&format->list, &list->fields);
 652 }
 653
 654 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
 655                                         struct perf_hpp_fmt *format)
 656 {
 657         list_add_tail(&format->sort_list, &list->sorts);
 658 }
 659
 660 void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
 661                                        struct perf_hpp_fmt *format)
 662 {
 663         list_add(&format->sort_list, &list->sorts);
 664 }
 665
 666 static void perf_hpp__column_unregister(struct perf_hpp_fmt *format)
 667 {
 668         list_del_init(&format->list);
 669         fmt_free(format);
 670 }
 671
 672 void perf_hpp__cancel_cumulate(void)
 673 {
 674         struct perf_hpp_fmt *fmt, *acc, *ovh, *tmp;
 675
 676         if (is_strict_order(field_order))
 677                 return;
 678
 679         ovh = &perf_hpp__format[PERF_HPP__OVERHEAD];
 680         acc = &perf_hpp__format[PERF_HPP__OVERHEAD_ACC];
 681
 682         perf_hpp_list__for_each_format_safe(&perf_hpp_list, fmt, tmp) {
 683                 if (acc->equal(acc, fmt)) {
 684                         perf_hpp__column_unregister(fmt);
 685                         continue;
 686                 }
 687
 688                 if (ovh->equal(ovh, fmt))
 689                         fmt->name = "Overhead";
 690         }
 691 }
 692
 693 static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
 694 {
 695         return a->equal && a->equal(a, b);
 696 }
 697
 698 void perf_hpp__setup_output_field(struct perf_hpp_list *list)
 699 {
 700         struct perf_hpp_fmt *fmt;
 701
 702         /* append sort keys to output field */
 703         perf_hpp_list__for_each_sort_list(list, fmt) {
 704                 struct perf_hpp_fmt *pos;
 705
 706                 /* skip sort-only fields ("sort_compute" in perf diff) */
 707                 if (!fmt->entry && !fmt->color)
 708                         continue;
 709
 710                 perf_hpp_list__for_each_format(list, pos) {
 711                         if (fmt_equal(fmt, pos))
 712                                 goto next;
 713                 }
 714
 715                 perf_hpp__column_register(fmt);
 716 next:
 717                 continue;
 718         }
 719 }
 720
 721 void perf_hpp__append_sort_keys(struct perf_hpp_list *list)
 722 {
 723         struct perf_hpp_fmt *fmt;
 724
 725         /* append output fields to sort keys */
 726         perf_hpp_list__for_each_format(list, fmt) {
 727                 struct perf_hpp_fmt *pos;
 728
 729                 perf_hpp_list__for_each_sort_list(list, pos) {
 730                         if (fmt_equal(fmt, pos))
 731                                 goto next;
 732                 }
 733
 734                 perf_hpp__register_sort_field(fmt);
 735 next:
 736                 continue;
 737         }
 738 }
 739
 740
 741 void perf_hpp__reset_output_field(struct perf_hpp_list *list)
 742 {
 743         struct perf_hpp_fmt *fmt, *tmp;
 744
 745         /* reset output fields */
 746         perf_hpp_list__for_each_format_safe(list, fmt, tmp) {
 747                 list_del_init(&fmt->list);
 748                 list_del_init(&fmt->sort_list);
 749                 fmt_free(fmt);
 750         }
 751
 752         /* reset sort keys */
 753         perf_hpp_list__for_each_sort_list_safe(list, fmt, tmp) {
 754                 list_del_init(&fmt->list);
 755                 list_del_init(&fmt->sort_list);
 756                 fmt_free(fmt);
 757         }
 758 }
 759
 760 /*
 761  * See hists__fprintf to match the column widths
 762  */
 763 unsigned int hists__sort_list_width(struct hists *hists)
 764 {
 765         struct perf_hpp_fmt *fmt;
 766         int ret = 0;
 767         bool first = true;
 768         struct perf_hpp dummy_hpp;
 769
 770         hists__for_each_format(hists, fmt) {
 771                 if (perf_hpp__should_skip(fmt, hists))
 772                         continue;
 773
 774                 if (first)
 775                         first = false;
 776                 else
 777                         ret += 2;
 778
 779                 ret += fmt->width(fmt, &dummy_hpp, hists);
 780         }
 781
 782         if (verbose > 0 && hists__has(hists, sym)) /* Addr + origin */
 783                 ret += 3 + BITS_PER_LONG / 4;
 784
 785         return ret;
 786 }
 787
 788 unsigned int hists__overhead_width(struct hists *hists)
 789 {
 790         struct perf_hpp_fmt *fmt;
 791         int ret = 0;
 792         bool first = true;
 793         struct perf_hpp dummy_hpp;
 794
 795         hists__for_each_format(hists, fmt) {
 796                 if (perf_hpp__is_sort_entry(fmt) || perf_hpp__is_dynamic_entry(fmt))
 797                         break;
 798
 799                 if (first)
 800                         first = false;
 801                 else
 802                         ret += 2;
 803
 804                 ret += fmt->width(fmt, &dummy_hpp, hists);
 805         }
 806
 807         return ret;
 808 }
 809
 810 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists)
 811 {
 812         if (perf_hpp__is_sort_entry(fmt))
 813                 return perf_hpp__reset_sort_width(fmt, hists);
 814
 815         if (perf_hpp__is_dynamic_entry(fmt))
 816                 return;
 817
 818         BUG_ON(fmt->idx >= PERF_HPP__MAX_INDEX);
 819
 820         switch (fmt->idx) {
 821         case PERF_HPP__OVERHEAD:
 822         case PERF_HPP__OVERHEAD_SYS:
 823         case PERF_HPP__OVERHEAD_US:
 824         case PERF_HPP__OVERHEAD_ACC:
 825                 fmt->len = 8;
 826                 break;
 827
 828         case PERF_HPP__OVERHEAD_GUEST_SYS:
 829         case PERF_HPP__OVERHEAD_GUEST_US:
 830                 fmt->len = 9;
 831                 break;
 832
 833         case PERF_HPP__SAMPLES:
 834         case PERF_HPP__PERIOD:
 835                 fmt->len = 12;
 836                 break;
 837
 838         case PERF_HPP__WEIGHT1:
 839         case PERF_HPP__WEIGHT2:
 840         case PERF_HPP__WEIGHT3:
 841                 fmt->len = 8;
 842                 break;
 843
 844         default:
 845                 break;
 846         }
 847 }
 848
 849 void hists__reset_column_width(struct hists *hists)
 850 {
 851         struct perf_hpp_fmt *fmt;
 852         struct perf_hpp_list_node *node;
 853
 854         hists__for_each_format(hists, fmt)
 855                 perf_hpp__reset_width(fmt, hists);
 856
 857         /* hierarchy entries have their own hpp list */
 858         list_for_each_entry(node, &hists->hpp_formats, list) {
 859                 perf_hpp_list__for_each_format(&node->hpp, fmt)
 860                         perf_hpp__reset_width(fmt, hists);
 861         }
 862 }
 863
 864 void perf_hpp__set_user_width(const char *width_list_str)
 865 {
 866         struct perf_hpp_fmt *fmt;
 867         const char *ptr = width_list_str;
 868
 869         perf_hpp_list__for_each_format(&perf_hpp_list, fmt) {
 870                 char *p;
 871
 872                 int len = strtol(ptr, &p, 10);
 873                 fmt->user_len = len;
 874
 875                 if (*p == ',')
 876                         ptr = p + 1;
 877                 else
 878                         break;
 879         }
 880 }
 881
 882 static int add_hierarchy_fmt(struct hists *hists, struct perf_hpp_fmt *fmt)
 883 {
 884         struct perf_hpp_list_node *node = NULL;
 885         struct perf_hpp_fmt *fmt_copy;
 886         bool found = false;
 887         bool skip = perf_hpp__should_skip(fmt, hists);
 888
 889         list_for_each_entry(node, &hists->hpp_formats, list) {
 890                 if (node->level == fmt->level) {
 891                         found = true;
 892                         break;
 893                 }
 894         }
 895
 896         if (!found) {
 897                 node = malloc(sizeof(*node));
 898                 if (node == NULL)
 899                         return -1;
 900
 901                 node->skip = skip;
 902                 node->level = fmt->level;
 903                 perf_hpp_list__init(&node->hpp);
 904
 905                 hists->nr_hpp_node++;
 906                 list_add_tail(&node->list, &hists->hpp_formats);
 907         }
 908
 909         fmt_copy = perf_hpp_fmt__dup(fmt);
 910         if (fmt_copy == NULL)
 911                 return -1;
 912
 913         if (!skip)
 914                 node->skip = false;
 915
 916         list_add_tail(&fmt_copy->list, &node->hpp.fields);
 917         list_add_tail(&fmt_copy->sort_list, &node->hpp.sorts);
 918
 919         return 0;
 920 }
 921
 922 int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
 923                                   struct evlist *evlist)
 924 {
 925         struct evsel *evsel;
 926         struct perf_hpp_fmt *fmt;
 927         struct hists *hists;
 928         int ret;
 929
 930         if (!symbol_conf.report_hierarchy)
 931                 return 0;
 932
 933         evlist__for_each_entry(evlist, evsel) {
 934                 hists = evsel__hists(evsel);
 935
 936                 perf_hpp_list__for_each_sort_list(list, fmt) {
 937                         if (perf_hpp__is_dynamic_entry(fmt) &&
 938                             !perf_hpp__defined_dynamic_entry(fmt, hists))
 939                                 continue;
 940
 941                         ret = add_hierarchy_fmt(hists, fmt);
 942                         if (ret < 0)
 943                                 return ret;
 944                 }
 945         }
 946
 947         return 0;
 948 }