tools/perf/util/hist.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PERF_HIST_H
   3 #define __PERF_HIST_H
   4
   5 #include <linux/rbtree.h>
   6 #include <linux/types.h>
   7 #include "evsel.h"
   8 #include "color.h"
   9 #include "events_stats.h"
  10 #include "mutex.h"
  11
  12 struct hist_entry;
  13 struct hist_entry_ops;
  14 struct addr_location;
  15 struct map_symbol;
  16 struct mem_info;
  17 struct branch_info;
  18 struct branch_stack;
  19 struct block_info;
  20 struct symbol;
  21 struct ui_progress;
  22
  23 enum hist_filter {
  24         HIST_FILTER__DSO,
  25         HIST_FILTER__THREAD,
  26         HIST_FILTER__PARENT,
  27         HIST_FILTER__SYMBOL,
  28         HIST_FILTER__GUEST,
  29         HIST_FILTER__HOST,
  30         HIST_FILTER__SOCKET,
  31         HIST_FILTER__C2C,
  32 };
  33
  34 enum hist_column {
  35         HISTC_SYMBOL,
  36         HISTC_TIME,
  37         HISTC_DSO,
  38         HISTC_THREAD,
  39         HISTC_COMM,
  40         HISTC_CGROUP_ID,
  41         HISTC_CGROUP,
  42         HISTC_PARENT,
  43         HISTC_CPU,
  44         HISTC_SOCKET,
  45         HISTC_SRCLINE,
  46         HISTC_SRCFILE,
  47         HISTC_MISPREDICT,
  48         HISTC_IN_TX,
  49         HISTC_ABORT,
  50         HISTC_SYMBOL_FROM,
  51         HISTC_SYMBOL_TO,
  52         HISTC_DSO_FROM,
  53         HISTC_DSO_TO,
  54         HISTC_LOCAL_WEIGHT,
  55         HISTC_GLOBAL_WEIGHT,
  56         HISTC_CODE_PAGE_SIZE,
  57         HISTC_MEM_DADDR_SYMBOL,
  58         HISTC_MEM_DADDR_DSO,
  59         HISTC_MEM_PHYS_DADDR,
  60         HISTC_MEM_DATA_PAGE_SIZE,
  61         HISTC_MEM_LOCKED,
  62         HISTC_MEM_TLB,
  63         HISTC_MEM_LVL,
  64         HISTC_MEM_SNOOP,
  65         HISTC_MEM_DCACHELINE,
  66         HISTC_MEM_IADDR_SYMBOL,
  67         HISTC_TRANSACTION,
  68         HISTC_CYCLES,
  69         HISTC_SRCLINE_FROM,
  70         HISTC_SRCLINE_TO,
  71         HISTC_TRACE,
  72         HISTC_SYM_SIZE,
  73         HISTC_DSO_SIZE,
  74         HISTC_SYMBOL_IPC,
  75         HISTC_MEM_BLOCKED,
  76         HISTC_LOCAL_INS_LAT,
  77         HISTC_GLOBAL_INS_LAT,
  78         HISTC_LOCAL_P_STAGE_CYC,
  79         HISTC_GLOBAL_P_STAGE_CYC,
  80         HISTC_ADDR_FROM,
  81         HISTC_ADDR_TO,
  82         HISTC_ADDR,
  83         HISTC_NR_COLS, /* Last entry */
  84 };
  85
  86 struct thread;
  87 struct dso;
  88
  89 struct hists {
  90         struct rb_root_cached   entries_in_array[2];
  91         struct rb_root_cached   *entries_in;
  92         struct rb_root_cached   entries;
  93         struct rb_root_cached   entries_collapsed;
  94         u64                     nr_entries;
  95         u64                     nr_non_filtered_entries;
  96         u64                     callchain_period;
  97         u64                     callchain_non_filtered_period;
  98         struct thread           *thread_filter;
  99         const struct dso        *dso_filter;
 100         const char              *uid_filter_str;
 101         const char              *symbol_filter_str;
 102         struct mutex            lock;
 103         struct hists_stats      stats;
 104         u64                     event_stream;
 105         u16                     col_len[HISTC_NR_COLS];
 106         bool                    has_callchains;
 107         int                     socket_filter;
 108         struct perf_hpp_list    *hpp_list;
 109         struct list_head        hpp_formats;
 110         int                     nr_hpp_node;
 111 };
 112
 113 #define hists__has(__h, __f) (__h)->hpp_list->__f
 114
 115 struct hist_entry_iter;
 116
 117 struct hist_iter_ops {
 118         int (*prepare_entry)(struct hist_entry_iter *, struct addr_location *);
 119         int (*add_single_entry)(struct hist_entry_iter *, struct addr_location *);
 120         int (*next_entry)(struct hist_entry_iter *, struct addr_location *);
 121         int (*add_next_entry)(struct hist_entry_iter *, struct addr_location *);
 122         int (*finish_entry)(struct hist_entry_iter *, struct addr_location *);
 123 };
 124
 125 struct hist_entry_iter {
 126         int total;
 127         int curr;
 128
 129         bool hide_unresolved;
 130
 131         struct evsel *evsel;
 132         struct perf_sample *sample;
 133         struct hist_entry *he;
 134         struct symbol *parent;
 135         void *priv;
 136
 137         const struct hist_iter_ops *ops;
 138         /* user-defined callback function (optional) */
 139         int (*add_entry_cb)(struct hist_entry_iter *iter,
 140                             struct addr_location *al, bool single, void *arg);
 141 };
 142
 143 extern const struct hist_iter_ops hist_iter_normal;
 144 extern const struct hist_iter_ops hist_iter_branch;
 145 extern const struct hist_iter_ops hist_iter_mem;
 146 extern const struct hist_iter_ops hist_iter_cumulative;
 147
 148 struct hist_entry *hists__add_entry(struct hists *hists,
 149                                     struct addr_location *al,
 150                                     struct symbol *parent,
 151                                     struct branch_info *bi,
 152                                     struct mem_info *mi,
 153                                     struct perf_sample *sample,
 154                                     bool sample_self);
 155
 156 struct hist_entry *hists__add_entry_ops(struct hists *hists,
 157                                         struct hist_entry_ops *ops,
 158                                         struct addr_location *al,
 159                                         struct symbol *sym_parent,
 160                                         struct branch_info *bi,
 161                                         struct mem_info *mi,
 162                                         struct perf_sample *sample,
 163                                         bool sample_self);
 164
 165 struct hist_entry *hists__add_entry_block(struct hists *hists,
 166                                           struct addr_location *al,
 167                                           struct block_info *bi);
 168
 169 int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
 170                          int max_stack_depth, void *arg);
 171
 172 struct perf_hpp;
 173 struct perf_hpp_fmt;
 174
 175 int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right);
 176 int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right);
 177 int hist_entry__transaction_len(void);
 178 int hist_entry__sort_snprintf(struct hist_entry *he, char *bf, size_t size,
 179                               struct hists *hists);
 180 int hist_entry__snprintf_alignment(struct hist_entry *he, struct perf_hpp *hpp,
 181                                    struct perf_hpp_fmt *fmt, int printed);
 182 void hist_entry__delete(struct hist_entry *he);
 183
 184 typedef int (*hists__resort_cb_t)(struct hist_entry *he, void *arg);
 185
 186 void evsel__output_resort_cb(struct evsel *evsel, struct ui_progress *prog,
 187                              hists__resort_cb_t cb, void *cb_arg);
 188 void evsel__output_resort(struct evsel *evsel, struct ui_progress *prog);
 189 void hists__output_resort(struct hists *hists, struct ui_progress *prog);
 190 void hists__output_resort_cb(struct hists *hists, struct ui_progress *prog,
 191                              hists__resort_cb_t cb);
 192 int hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
 193
 194 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
 195 void hists__delete_entries(struct hists *hists);
 196 void hists__output_recalc_col_len(struct hists *hists, int max_rows);
 197
 198 struct hist_entry *hists__get_entry(struct hists *hists, int idx);
 199
 200 u64 hists__total_period(struct hists *hists);
 201 void hists__reset_stats(struct hists *hists);
 202 void hists__inc_stats(struct hists *hists, struct hist_entry *h);
 203 void hists__inc_nr_events(struct hists *hists);
 204 void hists__inc_nr_samples(struct hists *hists, bool filtered);
 205 void hists__inc_nr_lost_samples(struct hists *hists, u32 lost);
 206
 207 size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
 208                       int max_cols, float min_pcnt, FILE *fp,
 209                       bool ignore_callchains);
 210 size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp,
 211                                  bool skip_empty);
 212
 213 void hists__filter_by_dso(struct hists *hists);
 214 void hists__filter_by_thread(struct hists *hists);
 215 void hists__filter_by_symbol(struct hists *hists);
 216 void hists__filter_by_socket(struct hists *hists);
 217
 218 static inline bool hists__has_filter(struct hists *hists)
 219 {
 220         return hists->thread_filter || hists->dso_filter ||
 221                 hists->symbol_filter_str || (hists->socket_filter > -1);
 222 }
 223
 224 u16 hists__col_len(struct hists *hists, enum hist_column col);
 225 void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len);
 226 bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len);
 227 void hists__reset_col_len(struct hists *hists);
 228 void hists__calc_col_len(struct hists *hists, struct hist_entry *he);
 229
 230 void hists__match(struct hists *leader, struct hists *other);
 231 int hists__link(struct hists *leader, struct hists *other);
 232 int hists__unlink(struct hists *hists);
 233
 234 struct hists_evsel {
 235         struct evsel evsel;
 236         struct hists      hists;
 237 };
 238
 239 static inline struct evsel *hists_to_evsel(struct hists *hists)
 240 {
 241         struct hists_evsel *hevsel = container_of(hists, struct hists_evsel, hists);
 242         return &hevsel->evsel;
 243 }
 244
 245 static inline struct hists *evsel__hists(struct evsel *evsel)
 246 {
 247         struct hists_evsel *hevsel = (struct hists_evsel *)evsel;
 248         return &hevsel->hists;
 249 }
 250
 251 static __pure inline bool hists__has_callchains(struct hists *hists)
 252 {
 253         return hists->has_callchains;
 254 }
 255
 256 int hists__init(void);
 257 int __hists__init(struct hists *hists, struct perf_hpp_list *hpp_list);
 258
 259 struct rb_root_cached *hists__get_rotate_entries_in(struct hists *hists);
 260
 261 struct perf_hpp {
 262         char *buf;
 263         size_t size;
 264         const char *sep;
 265         void *ptr;
 266         bool skip;
 267 };
 268
 269 struct perf_hpp_fmt {
 270         const char *name;
 271         int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 272                       struct hists *hists, int line, int *span);
 273         int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 274                      struct hists *hists);
 275         int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 276                      struct hist_entry *he);
 277         int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 278                      struct hist_entry *he);
 279         int64_t (*cmp)(struct perf_hpp_fmt *fmt,
 280                        struct hist_entry *a, struct hist_entry *b);
 281         int64_t (*collapse)(struct perf_hpp_fmt *fmt,
 282                             struct hist_entry *a, struct hist_entry *b);
 283         int64_t (*sort)(struct perf_hpp_fmt *fmt,
 284                         struct hist_entry *a, struct hist_entry *b);
 285         bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);
 286         void (*free)(struct perf_hpp_fmt *fmt);
 287
 288         struct list_head list;
 289         struct list_head sort_list;
 290         bool elide;
 291         int len;
 292         int user_len;
 293         int idx;
 294         int level;
 295 };
 296
 297 struct perf_hpp_list {
 298         struct list_head fields;
 299         struct list_head sorts;
 300
 301         int nr_header_lines;
 302         int need_collapse;
 303         int parent;
 304         int sym;
 305         int dso;
 306         int socket;
 307         int thread;
 308         int comm;
 309 };
 310
 311 extern struct perf_hpp_list perf_hpp_list;
 312
 313 struct perf_hpp_list_node {
 314         struct list_head        list;
 315         struct perf_hpp_list    hpp;
 316         int                     level;
 317         bool                    skip;
 318 };
 319
 320 void perf_hpp_list__column_register(struct perf_hpp_list *list,
 321                                     struct perf_hpp_fmt *format);
 322 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
 323                                         struct perf_hpp_fmt *format);
 324 void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
 325                                        struct perf_hpp_fmt *format);
 326
 327 static inline void perf_hpp__column_register(struct perf_hpp_fmt *format)
 328 {
 329         perf_hpp_list__column_register(&perf_hpp_list, format);
 330 }
 331
 332 static inline void perf_hpp__register_sort_field(struct perf_hpp_fmt *format)
 333 {
 334         perf_hpp_list__register_sort_field(&perf_hpp_list, format);
 335 }
 336
 337 static inline void perf_hpp__prepend_sort_field(struct perf_hpp_fmt *format)
 338 {
 339         perf_hpp_list__prepend_sort_field(&perf_hpp_list, format);
 340 }
 341
 342 #define perf_hpp_list__for_each_format(_list, format) \
 343         list_for_each_entry(format, &(_list)->fields, list)
 344
 345 #define perf_hpp_list__for_each_format_safe(_list, format, tmp) \
 346         list_for_each_entry_safe(format, tmp, &(_list)->fields, list)
 347
 348 #define perf_hpp_list__for_each_sort_list(_list, format) \
 349         list_for_each_entry(format, &(_list)->sorts, sort_list)
 350
 351 #define perf_hpp_list__for_each_sort_list_safe(_list, format, tmp)      \
 352         list_for_each_entry_safe(format, tmp, &(_list)->sorts, sort_list)
 353
 354 #define hists__for_each_format(hists, format) \
 355         perf_hpp_list__for_each_format((hists)->hpp_list, format)
 356
 357 #define hists__for_each_sort_list(hists, format) \
 358         perf_hpp_list__for_each_sort_list((hists)->hpp_list, format)
 359
 360 extern struct perf_hpp_fmt perf_hpp__format[];
 361
 362 enum {
 363         /* Matches perf_hpp__format array. */
 364         PERF_HPP__OVERHEAD,
 365         PERF_HPP__OVERHEAD_SYS,
 366         PERF_HPP__OVERHEAD_US,
 367         PERF_HPP__OVERHEAD_GUEST_SYS,
 368         PERF_HPP__OVERHEAD_GUEST_US,
 369         PERF_HPP__OVERHEAD_ACC,
 370         PERF_HPP__SAMPLES,
 371         PERF_HPP__PERIOD,
 372
 373         PERF_HPP__MAX_INDEX
 374 };
 375
 376 void perf_hpp__init(void);
 377 void perf_hpp__cancel_cumulate(void);
 378 void perf_hpp__setup_output_field(struct perf_hpp_list *list);
 379 void perf_hpp__reset_output_field(struct perf_hpp_list *list);
 380 void perf_hpp__append_sort_keys(struct perf_hpp_list *list);
 381 int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
 382                                   struct evlist *evlist);
 383
 384
 385 bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format);
 386 bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *format);
 387 bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists);
 388 bool perf_hpp__is_trace_entry(struct perf_hpp_fmt *fmt);
 389 bool perf_hpp__is_srcline_entry(struct perf_hpp_fmt *fmt);
 390 bool perf_hpp__is_srcfile_entry(struct perf_hpp_fmt *fmt);
 391 bool perf_hpp__is_thread_entry(struct perf_hpp_fmt *fmt);
 392 bool perf_hpp__is_comm_entry(struct perf_hpp_fmt *fmt);
 393 bool perf_hpp__is_dso_entry(struct perf_hpp_fmt *fmt);
 394 bool perf_hpp__is_sym_entry(struct perf_hpp_fmt *fmt);
 395
 396 struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt);
 397
 398 int hist_entry__filter(struct hist_entry *he, int type, const void *arg);
 399
 400 static inline bool perf_hpp__should_skip(struct perf_hpp_fmt *format,
 401                                          struct hists *hists)
 402 {
 403         if (format->elide)
 404                 return true;
 405
 406         if (perf_hpp__is_dynamic_entry(format) &&
 407             !perf_hpp__defined_dynamic_entry(format, hists))
 408                 return true;
 409
 410         return false;
 411 }
 412
 413 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists);
 414 void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists);
 415 void perf_hpp__set_user_width(const char *width_list_str);
 416 void hists__reset_column_width(struct hists *hists);
 417
 418 typedef u64 (*hpp_field_fn)(struct hist_entry *he);
 419 typedef int (*hpp_callback_fn)(struct perf_hpp *hpp, bool front);
 420 typedef int (*hpp_snprint_fn)(struct perf_hpp *hpp, const char *fmt, ...);
 421
 422 int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 423              struct hist_entry *he, hpp_field_fn get_field,
 424              const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent);
 425 int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 426                  struct hist_entry *he, hpp_field_fn get_field,
 427                  const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent);
 428
 429 static inline void advance_hpp(struct perf_hpp *hpp, int inc)
 430 {
 431         hpp->buf  += inc;
 432         hpp->size -= inc;
 433 }
 434
 435 static inline size_t perf_hpp__use_color(void)
 436 {
 437         return !symbol_conf.field_sep;
 438 }
 439
 440 static inline size_t perf_hpp__color_overhead(void)
 441 {
 442         return perf_hpp__use_color() ?
 443                (COLOR_MAXLEN + sizeof(PERF_COLOR_RESET)) * PERF_HPP__MAX_INDEX
 444                : 0;
 445 }
 446
 447 struct evlist;
 448
 449 struct hist_browser_timer {
 450         void (*timer)(void *arg);
 451         void *arg;
 452         int refresh;
 453 };
 454
 455 struct annotation_options;
 456 struct res_sample;
 457
 458 enum rstype {
 459         A_NORMAL,
 460         A_ASM,
 461         A_SOURCE
 462 };
 463
 464 struct block_hist;
 465
 466 #ifdef HAVE_SLANG_SUPPORT
 467 #include "../ui/keysyms.h"
 468 void attr_to_script(char *buf, struct perf_event_attr *attr);
 469
 470 int map_symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
 471                              struct hist_browser_timer *hbt,
 472                              struct annotation_options *annotation_opts);
 473
 474 int hist_entry__tui_annotate(struct hist_entry *he, struct evsel *evsel,
 475                              struct hist_browser_timer *hbt,
 476                              struct annotation_options *annotation_opts);
 477
 478 int evlist__tui_browse_hists(struct evlist *evlist, const char *help, struct hist_browser_timer *hbt,
 479                              float min_pcnt, struct perf_env *env, bool warn_lost_event,
 480                              struct annotation_options *annotation_options);
 481
 482 int script_browse(const char *script_opt, struct evsel *evsel);
 483
 484 void run_script(char *cmd);
 485 int res_sample_browse(struct res_sample *res_samples, int num_res,
 486                       struct evsel *evsel, enum rstype rstype);
 487 void res_sample_init(void);
 488
 489 int block_hists_tui_browse(struct block_hist *bh, struct evsel *evsel,
 490                            float min_percent, struct perf_env *env,
 491                            struct annotation_options *annotation_opts);
 492 #else
 493 static inline
 494 int evlist__tui_browse_hists(struct evlist *evlist __maybe_unused,
 495                              const char *help __maybe_unused,
 496                              struct hist_browser_timer *hbt __maybe_unused,
 497                              float min_pcnt __maybe_unused,
 498                              struct perf_env *env __maybe_unused,
 499                              bool warn_lost_event __maybe_unused,
 500                              struct annotation_options *annotation_options __maybe_unused)
 501 {
 502         return 0;
 503 }
 504 static inline int map_symbol__tui_annotate(struct map_symbol *ms __maybe_unused,
 505                                            struct evsel *evsel __maybe_unused,
 506                                            struct hist_browser_timer *hbt __maybe_unused,
 507                                            struct annotation_options *annotation_options __maybe_unused)
 508 {
 509         return 0;
 510 }
 511
 512 static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused,
 513                                            struct evsel *evsel __maybe_unused,
 514                                            struct hist_browser_timer *hbt __maybe_unused,
 515                                            struct annotation_options *annotation_opts __maybe_unused)
 516 {
 517         return 0;
 518 }
 519
 520 static inline int script_browse(const char *script_opt __maybe_unused,
 521                                 struct evsel *evsel __maybe_unused)
 522 {
 523         return 0;
 524 }
 525
 526 static inline int res_sample_browse(struct res_sample *res_samples __maybe_unused,
 527                                     int num_res __maybe_unused,
 528                                     struct evsel *evsel __maybe_unused,
 529                                     enum rstype rstype __maybe_unused)
 530 {
 531         return 0;
 532 }
 533
 534 static inline void res_sample_init(void) {}
 535
 536 static inline int block_hists_tui_browse(struct block_hist *bh __maybe_unused,
 537                                          struct evsel *evsel __maybe_unused,
 538                                          float min_percent __maybe_unused,
 539                                          struct perf_env *env __maybe_unused,
 540                                          struct annotation_options *annotation_opts __maybe_unused)
 541 {
 542         return 0;
 543 }
 544
 545 #define K_LEFT  -1000
 546 #define K_RIGHT -2000
 547 #define K_SWITCH_INPUT_DATA -3000
 548 #define K_RELOAD -4000
 549 #endif
 550
 551 unsigned int hists__sort_list_width(struct hists *hists);
 552 unsigned int hists__overhead_width(struct hists *hists);
 553
 554 void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
 555                           struct perf_sample *sample, bool nonany_branch_mode,
 556                           u64 *total_cycles);
 557
 558 struct option;
 559 int parse_filter_percentage(const struct option *opt, const char *arg, int unset);
 560 int perf_hist_config(const char *var, const char *value);
 561
 562 void perf_hpp_list__init(struct perf_hpp_list *list);
 563
 564 enum hierarchy_move_dir {
 565         HMD_NORMAL,
 566         HMD_FORCE_SIBLING,
 567         HMD_FORCE_CHILD,
 568 };
 569
 570 struct rb_node *rb_hierarchy_last(struct rb_node *node);
 571 struct rb_node *__rb_hierarchy_next(struct rb_node *node,
 572                                     enum hierarchy_move_dir hmd);
 573 struct rb_node *rb_hierarchy_prev(struct rb_node *node);
 574
 575 static inline struct rb_node *rb_hierarchy_next(struct rb_node *node)
 576 {
 577         return __rb_hierarchy_next(node, HMD_NORMAL);
 578 }
 579
 580 #define HIERARCHY_INDENT  3
 581
 582 bool hist_entry__has_hierarchy_children(struct hist_entry *he, float limit);
 583 int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...);
 584 int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...);
 585 int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
 586                            struct perf_hpp_list *hpp_list);
 587 int hists__fprintf_headers(struct hists *hists, FILE *fp);
 588 int __hists__scnprintf_title(struct hists *hists, char *bf, size_t size, bool show_freq);
 589
 590 static inline int hists__scnprintf_title(struct hists *hists, char *bf, size_t size)
 591 {
 592         return __hists__scnprintf_title(hists, bf, size, true);
 593 }
 594
 595 #endif  /* __PERF_HIST_H */