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 kvm_info;
  18 struct branch_info;
  19 struct branch_stack;
  20 struct block_info;
  21 struct symbol;
  22 struct ui_progress;
  23
  24 enum hist_filter {
  25         HIST_FILTER__DSO,
  26         HIST_FILTER__THREAD,
  27         HIST_FILTER__PARENT,
  28         HIST_FILTER__SYMBOL,
  29         HIST_FILTER__GUEST,
  30         HIST_FILTER__HOST,
  31         HIST_FILTER__SOCKET,
  32         HIST_FILTER__C2C,
  33 };
  34
  35 enum hist_column {
  36         HISTC_SYMBOL,
  37         HISTC_TIME,
  38         HISTC_DSO,
  39         HISTC_THREAD,
  40         HISTC_COMM,
  41         HISTC_CGROUP_ID,
  42         HISTC_CGROUP,
  43         HISTC_PARENT,
  44         HISTC_CPU,
  45         HISTC_SOCKET,
  46         HISTC_SRCLINE,
  47         HISTC_SRCFILE,
  48         HISTC_MISPREDICT,
  49         HISTC_IN_TX,
  50         HISTC_ABORT,
  51         HISTC_SYMBOL_FROM,
  52         HISTC_SYMBOL_TO,
  53         HISTC_DSO_FROM,
  54         HISTC_DSO_TO,
  55         HISTC_LOCAL_WEIGHT,
  56         HISTC_GLOBAL_WEIGHT,
  57         HISTC_CODE_PAGE_SIZE,
  58         HISTC_MEM_DADDR_SYMBOL,
  59         HISTC_MEM_DADDR_DSO,
  60         HISTC_MEM_PHYS_DADDR,
  61         HISTC_MEM_DATA_PAGE_SIZE,
  62         HISTC_MEM_LOCKED,
  63         HISTC_MEM_TLB,
  64         HISTC_MEM_LVL,
  65         HISTC_MEM_SNOOP,
  66         HISTC_MEM_DCACHELINE,
  67         HISTC_MEM_IADDR_SYMBOL,
  68         HISTC_TRANSACTION,
  69         HISTC_CYCLES,
  70         HISTC_SRCLINE_FROM,
  71         HISTC_SRCLINE_TO,
  72         HISTC_TRACE,
  73         HISTC_SYM_SIZE,
  74         HISTC_DSO_SIZE,
  75         HISTC_SYMBOL_IPC,
  76         HISTC_MEM_BLOCKED,
  77         HISTC_LOCAL_INS_LAT,
  78         HISTC_GLOBAL_INS_LAT,
  79         HISTC_LOCAL_P_STAGE_CYC,
  80         HISTC_GLOBAL_P_STAGE_CYC,
  81         HISTC_ADDR_FROM,
  82         HISTC_ADDR_TO,
  83         HISTC_ADDR,
  84         HISTC_SIMD,
  85         HISTC_NR_COLS, /* Last entry */
  86 };
  87
  88 struct thread;
  89 struct dso;
  90
  91 struct hists {
  92         struct rb_root_cached   entries_in_array[2];
  93         struct rb_root_cached   *entries_in;
  94         struct rb_root_cached   entries;
  95         struct rb_root_cached   entries_collapsed;
  96         u64                     nr_entries;
  97         u64                     nr_non_filtered_entries;
  98         u64                     callchain_period;
  99         u64                     callchain_non_filtered_period;
 100         struct thread           *thread_filter;
 101         const struct dso        *dso_filter;
 102         const char              *uid_filter_str;
 103         const char              *symbol_filter_str;
 104         struct mutex            lock;
 105         struct hists_stats      stats;
 106         u64                     event_stream;
 107         u16                     col_len[HISTC_NR_COLS];
 108         bool                    has_callchains;
 109         int                     socket_filter;
 110         struct perf_hpp_list    *hpp_list;
 111         struct list_head        hpp_formats;
 112         int                     nr_hpp_node;
 113 };
 114
 115 #define hists__has(__h, __f) (__h)->hpp_list->__f
 116
 117 struct hist_entry_iter;
 118
 119 struct hist_iter_ops {
 120         int (*prepare_entry)(struct hist_entry_iter *, struct addr_location *);
 121         int (*add_single_entry)(struct hist_entry_iter *, struct addr_location *);
 122         int (*next_entry)(struct hist_entry_iter *, struct addr_location *);
 123         int (*add_next_entry)(struct hist_entry_iter *, struct addr_location *);
 124         int (*finish_entry)(struct hist_entry_iter *, struct addr_location *);
 125 };
 126
 127 struct hist_entry_iter {
 128         int total;
 129         int curr;
 130
 131         bool hide_unresolved;
 132
 133         struct evsel *evsel;
 134         struct perf_sample *sample;
 135         struct hist_entry *he;
 136         struct symbol *parent;
 137         void *priv;
 138
 139         const struct hist_iter_ops *ops;
 140         /* user-defined callback function (optional) */
 141         int (*add_entry_cb)(struct hist_entry_iter *iter,
 142                             struct addr_location *al, bool single, void *arg);
 143 };
 144
 145 extern const struct hist_iter_ops hist_iter_normal;
 146 extern const struct hist_iter_ops hist_iter_branch;
 147 extern const struct hist_iter_ops hist_iter_mem;
 148 extern const struct hist_iter_ops hist_iter_cumulative;
 149
 150 struct hist_entry *hists__add_entry(struct hists *hists,
 151                                     struct addr_location *al,
 152                                     struct symbol *parent,
 153                                     struct branch_info *bi,
 154                                     struct mem_info *mi,
 155                                     struct kvm_info *ki,
 156                                     struct perf_sample *sample,
 157                                     bool sample_self);
 158
 159 struct hist_entry *hists__add_entry_ops(struct hists *hists,
 160                                         struct hist_entry_ops *ops,
 161                                         struct addr_location *al,
 162                                         struct symbol *sym_parent,
 163                                         struct branch_info *bi,
 164                                         struct mem_info *mi,
 165                                         struct kvm_info *ki,
 166                                         struct perf_sample *sample,
 167                                         bool sample_self);
 168
 169 struct hist_entry *hists__add_entry_block(struct hists *hists,
 170                                           struct addr_location *al,
 171                                           struct block_info *bi);
 172
 173 int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
 174                          int max_stack_depth, void *arg);
 175
 176 struct perf_hpp;
 177 struct perf_hpp_fmt;
 178
 179 int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right);
 180 int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right);
 181 int hist_entry__transaction_len(void);
 182 int hist_entry__sort_snprintf(struct hist_entry *he, char *bf, size_t size,
 183                               struct hists *hists);
 184 int hist_entry__snprintf_alignment(struct hist_entry *he, struct perf_hpp *hpp,
 185                                    struct perf_hpp_fmt *fmt, int printed);
 186 void hist_entry__delete(struct hist_entry *he);
 187
 188 typedef int (*hists__resort_cb_t)(struct hist_entry *he, void *arg);
 189
 190 void evsel__output_resort_cb(struct evsel *evsel, struct ui_progress *prog,
 191                              hists__resort_cb_t cb, void *cb_arg);
 192 void evsel__output_resort(struct evsel *evsel, struct ui_progress *prog);
 193 void hists__output_resort(struct hists *hists, struct ui_progress *prog);
 194 void hists__output_resort_cb(struct hists *hists, struct ui_progress *prog,
 195                              hists__resort_cb_t cb);
 196 int hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
 197
 198 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
 199 void hists__delete_entries(struct hists *hists);
 200 void hists__output_recalc_col_len(struct hists *hists, int max_rows);
 201
 202 struct hist_entry *hists__get_entry(struct hists *hists, int idx);
 203
 204 u64 hists__total_period(struct hists *hists);
 205 void hists__reset_stats(struct hists *hists);
 206 void hists__inc_stats(struct hists *hists, struct hist_entry *h);
 207 void hists__inc_nr_events(struct hists *hists);
 208 void hists__inc_nr_samples(struct hists *hists, bool filtered);
 209 void hists__inc_nr_lost_samples(struct hists *hists, u32 lost);
 210
 211 size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
 212                       int max_cols, float min_pcnt, FILE *fp,
 213                       bool ignore_callchains);
 214 size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp,
 215                                  bool skip_empty);
 216
 217 void hists__filter_by_dso(struct hists *hists);
 218 void hists__filter_by_thread(struct hists *hists);
 219 void hists__filter_by_symbol(struct hists *hists);
 220 void hists__filter_by_socket(struct hists *hists);
 221
 222 static inline bool hists__has_filter(struct hists *hists)
 223 {
 224         return hists->thread_filter || hists->dso_filter ||
 225                 hists->symbol_filter_str || (hists->socket_filter > -1);
 226 }
 227
 228 u16 hists__col_len(struct hists *hists, enum hist_column col);
 229 void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len);
 230 bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len);
 231 void hists__reset_col_len(struct hists *hists);
 232 void hists__calc_col_len(struct hists *hists, struct hist_entry *he);
 233
 234 void hists__match(struct hists *leader, struct hists *other);
 235 int hists__link(struct hists *leader, struct hists *other);
 236 int hists__unlink(struct hists *hists);
 237
 238 struct hists_evsel {
 239         struct evsel evsel;
 240         struct hists      hists;
 241 };
 242
 243 static inline struct evsel *hists_to_evsel(struct hists *hists)
 244 {
 245         struct hists_evsel *hevsel = container_of(hists, struct hists_evsel, hists);
 246         return &hevsel->evsel;
 247 }
 248
 249 static inline struct hists *evsel__hists(struct evsel *evsel)
 250 {
 251         struct hists_evsel *hevsel = (struct hists_evsel *)evsel;
 252         return &hevsel->hists;
 253 }
 254
 255 static __pure inline bool hists__has_callchains(struct hists *hists)
 256 {
 257         return hists->has_callchains;
 258 }
 259
 260 int hists__init(void);
 261 int __hists__init(struct hists *hists, struct perf_hpp_list *hpp_list);
 262
 263 struct rb_root_cached *hists__get_rotate_entries_in(struct hists *hists);
 264
 265 struct perf_hpp {
 266         char *buf;
 267         size_t size;
 268         const char *sep;
 269         void *ptr;
 270         bool skip;
 271 };
 272
 273 struct perf_hpp_fmt {
 274         const char *name;
 275         int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 276                       struct hists *hists, int line, int *span);
 277         int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 278                      struct hists *hists);
 279         void (*init)(struct perf_hpp_fmt *fmt, struct hist_entry *he);
 280         int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 281                      struct hist_entry *he);
 282         int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 283                      struct hist_entry *he);
 284         int64_t (*cmp)(struct perf_hpp_fmt *fmt,
 285                        struct hist_entry *a, struct hist_entry *b);
 286         int64_t (*collapse)(struct perf_hpp_fmt *fmt,
 287                             struct hist_entry *a, struct hist_entry *b);
 288         int64_t (*sort)(struct perf_hpp_fmt *fmt,
 289                         struct hist_entry *a, struct hist_entry *b);
 290         bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);
 291         void (*free)(struct perf_hpp_fmt *fmt);
 292
 293         struct list_head list;
 294         struct list_head sort_list;
 295         bool elide;
 296         int len;
 297         int user_len;
 298         int idx;
 299         int level;
 300 };
 301
 302 struct perf_hpp_list {
 303         struct list_head fields;
 304         struct list_head sorts;
 305
 306         int nr_header_lines;
 307         int need_collapse;
 308         int parent;
 309         int sym;
 310         int dso;
 311         int socket;
 312         int thread;
 313         int comm;
 314 };
 315
 316 extern struct perf_hpp_list perf_hpp_list;
 317
 318 struct perf_hpp_list_node {
 319         struct list_head        list;
 320         struct perf_hpp_list    hpp;
 321         int                     level;
 322         bool                    skip;
 323 };
 324
 325 void perf_hpp_list__column_register(struct perf_hpp_list *list,
 326                                     struct perf_hpp_fmt *format);
 327 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
 328                                         struct perf_hpp_fmt *format);
 329 void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
 330                                        struct perf_hpp_fmt *format);
 331
 332 static inline void perf_hpp__column_register(struct perf_hpp_fmt *format)
 333 {
 334         perf_hpp_list__column_register(&perf_hpp_list, format);
 335 }
 336
 337 static inline void perf_hpp__register_sort_field(struct perf_hpp_fmt *format)
 338 {
 339         perf_hpp_list__register_sort_field(&perf_hpp_list, format);
 340 }
 341
 342 static inline void perf_hpp__prepend_sort_field(struct perf_hpp_fmt *format)
 343 {
 344         perf_hpp_list__prepend_sort_field(&perf_hpp_list, format);
 345 }
 346
 347 #define perf_hpp_list__for_each_format(_list, format) \
 348         list_for_each_entry(format, &(_list)->fields, list)
 349
 350 #define perf_hpp_list__for_each_format_safe(_list, format, tmp) \
 351         list_for_each_entry_safe(format, tmp, &(_list)->fields, list)
 352
 353 #define perf_hpp_list__for_each_sort_list(_list, format) \
 354         list_for_each_entry(format, &(_list)->sorts, sort_list)
 355
 356 #define perf_hpp_list__for_each_sort_list_safe(_list, format, tmp)      \
 357         list_for_each_entry_safe(format, tmp, &(_list)->sorts, sort_list)
 358
 359 #define hists__for_each_format(hists, format) \
 360         perf_hpp_list__for_each_format((hists)->hpp_list, format)
 361
 362 #define hists__for_each_sort_list(hists, format) \
 363         perf_hpp_list__for_each_sort_list((hists)->hpp_list, format)
 364
 365 extern struct perf_hpp_fmt perf_hpp__format[];
 366
 367 enum {
 368         /* Matches perf_hpp__format array. */
 369         PERF_HPP__OVERHEAD,
 370         PERF_HPP__OVERHEAD_SYS,
 371         PERF_HPP__OVERHEAD_US,
 372         PERF_HPP__OVERHEAD_GUEST_SYS,
 373         PERF_HPP__OVERHEAD_GUEST_US,
 374         PERF_HPP__OVERHEAD_ACC,
 375         PERF_HPP__SAMPLES,
 376         PERF_HPP__PERIOD,
 377
 378         PERF_HPP__MAX_INDEX
 379 };
 380
 381 void perf_hpp__init(void);
 382 void perf_hpp__cancel_cumulate(void);
 383 void perf_hpp__setup_output_field(struct perf_hpp_list *list);
 384 void perf_hpp__reset_output_field(struct perf_hpp_list *list);
 385 void perf_hpp__append_sort_keys(struct perf_hpp_list *list);
 386 int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
 387                                   struct evlist *evlist);
 388
 389
 390 bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format);
 391 bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *format);
 392 bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists);
 393 bool perf_hpp__is_trace_entry(struct perf_hpp_fmt *fmt);
 394 bool perf_hpp__is_srcline_entry(struct perf_hpp_fmt *fmt);
 395 bool perf_hpp__is_srcfile_entry(struct perf_hpp_fmt *fmt);
 396 bool perf_hpp__is_thread_entry(struct perf_hpp_fmt *fmt);
 397 bool perf_hpp__is_comm_entry(struct perf_hpp_fmt *fmt);
 398 bool perf_hpp__is_dso_entry(struct perf_hpp_fmt *fmt);
 399 bool perf_hpp__is_sym_entry(struct perf_hpp_fmt *fmt);
 400
 401 struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt);
 402
 403 int hist_entry__filter(struct hist_entry *he, int type, const void *arg);
 404
 405 static inline bool perf_hpp__should_skip(struct perf_hpp_fmt *format,
 406                                          struct hists *hists)
 407 {
 408         if (format->elide)
 409                 return true;
 410
 411         if (perf_hpp__is_dynamic_entry(format) &&
 412             !perf_hpp__defined_dynamic_entry(format, hists))
 413                 return true;
 414
 415         return false;
 416 }
 417
 418 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists);
 419 void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists);
 420 void perf_hpp__set_user_width(const char *width_list_str);
 421 void hists__reset_column_width(struct hists *hists);
 422
 423 typedef u64 (*hpp_field_fn)(struct hist_entry *he);
 424 typedef int (*hpp_callback_fn)(struct perf_hpp *hpp, bool front);
 425 typedef int (*hpp_snprint_fn)(struct perf_hpp *hpp, const char *fmt, ...);
 426
 427 int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 428              struct hist_entry *he, hpp_field_fn get_field,
 429              const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent);
 430 int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
 431                  struct hist_entry *he, hpp_field_fn get_field,
 432                  const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent);
 433
 434 static inline void advance_hpp(struct perf_hpp *hpp, int inc)
 435 {
 436         hpp->buf  += inc;
 437         hpp->size -= inc;
 438 }
 439
 440 static inline size_t perf_hpp__use_color(void)
 441 {
 442         return !symbol_conf.field_sep;
 443 }
 444
 445 static inline size_t perf_hpp__color_overhead(void)
 446 {
 447         return perf_hpp__use_color() ?
 448                (COLOR_MAXLEN + sizeof(PERF_COLOR_RESET)) * PERF_HPP__MAX_INDEX
 449                : 0;
 450 }
 451
 452 struct evlist;
 453
 454 struct hist_browser_timer {
 455         void (*timer)(void *arg);
 456         void *arg;
 457         int refresh;
 458 };
 459
 460 struct annotation_options;
 461 struct res_sample;
 462
 463 enum rstype {
 464         A_NORMAL,
 465         A_ASM,
 466         A_SOURCE
 467 };
 468
 469 struct block_hist;
 470
 471 #ifdef HAVE_SLANG_SUPPORT
 472 #include "../ui/keysyms.h"
 473 void attr_to_script(char *buf, struct perf_event_attr *attr);
 474
 475 int map_symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
 476                              struct hist_browser_timer *hbt,
 477                              struct annotation_options *annotation_opts);
 478
 479 int hist_entry__tui_annotate(struct hist_entry *he, struct evsel *evsel,
 480                              struct hist_browser_timer *hbt,
 481                              struct annotation_options *annotation_opts);
 482
 483 int evlist__tui_browse_hists(struct evlist *evlist, const char *help, struct hist_browser_timer *hbt,
 484                              float min_pcnt, struct perf_env *env, bool warn_lost_event,
 485                              struct annotation_options *annotation_options);
 486
 487 int script_browse(const char *script_opt, struct evsel *evsel);
 488
 489 void run_script(char *cmd);
 490 int res_sample_browse(struct res_sample *res_samples, int num_res,
 491                       struct evsel *evsel, enum rstype rstype);
 492 void res_sample_init(void);
 493
 494 int block_hists_tui_browse(struct block_hist *bh, struct evsel *evsel,
 495                            float min_percent, struct perf_env *env,
 496                            struct annotation_options *annotation_opts);
 497 #else
 498 static inline
 499 int evlist__tui_browse_hists(struct evlist *evlist __maybe_unused,
 500                              const char *help __maybe_unused,
 501                              struct hist_browser_timer *hbt __maybe_unused,
 502                              float min_pcnt __maybe_unused,
 503                              struct perf_env *env __maybe_unused,
 504                              bool warn_lost_event __maybe_unused,
 505                              struct annotation_options *annotation_options __maybe_unused)
 506 {
 507         return 0;
 508 }
 509 static inline int map_symbol__tui_annotate(struct map_symbol *ms __maybe_unused,
 510                                            struct evsel *evsel __maybe_unused,
 511                                            struct hist_browser_timer *hbt __maybe_unused,
 512                                            struct annotation_options *annotation_options __maybe_unused)
 513 {
 514         return 0;
 515 }
 516
 517 static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused,
 518                                            struct evsel *evsel __maybe_unused,
 519                                            struct hist_browser_timer *hbt __maybe_unused,
 520                                            struct annotation_options *annotation_opts __maybe_unused)
 521 {
 522         return 0;
 523 }
 524
 525 static inline int script_browse(const char *script_opt __maybe_unused,
 526                                 struct evsel *evsel __maybe_unused)
 527 {
 528         return 0;
 529 }
 530
 531 static inline int res_sample_browse(struct res_sample *res_samples __maybe_unused,
 532                                     int num_res __maybe_unused,
 533                                     struct evsel *evsel __maybe_unused,
 534                                     enum rstype rstype __maybe_unused)
 535 {
 536         return 0;
 537 }
 538
 539 static inline void res_sample_init(void) {}
 540
 541 static inline int block_hists_tui_browse(struct block_hist *bh __maybe_unused,
 542                                          struct evsel *evsel __maybe_unused,
 543                                          float min_percent __maybe_unused,
 544                                          struct perf_env *env __maybe_unused,
 545                                          struct annotation_options *annotation_opts __maybe_unused)
 546 {
 547         return 0;
 548 }
 549
 550 #define K_LEFT  -1000
 551 #define K_RIGHT -2000
 552 #define K_SWITCH_INPUT_DATA -3000
 553 #define K_RELOAD -4000
 554 #endif
 555
 556 unsigned int hists__sort_list_width(struct hists *hists);
 557 unsigned int hists__overhead_width(struct hists *hists);
 558
 559 void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
 560                           struct perf_sample *sample, bool nonany_branch_mode,
 561                           u64 *total_cycles);
 562
 563 struct option;
 564 int parse_filter_percentage(const struct option *opt, const char *arg, int unset);
 565 int perf_hist_config(const char *var, const char *value);
 566
 567 void perf_hpp_list__init(struct perf_hpp_list *list);
 568
 569 enum hierarchy_move_dir {
 570         HMD_NORMAL,
 571         HMD_FORCE_SIBLING,
 572         HMD_FORCE_CHILD,
 573 };
 574
 575 struct rb_node *rb_hierarchy_last(struct rb_node *node);
 576 struct rb_node *__rb_hierarchy_next(struct rb_node *node,
 577                                     enum hierarchy_move_dir hmd);
 578 struct rb_node *rb_hierarchy_prev(struct rb_node *node);
 579
 580 static inline struct rb_node *rb_hierarchy_next(struct rb_node *node)
 581 {
 582         return __rb_hierarchy_next(node, HMD_NORMAL);
 583 }
 584
 585 #define HIERARCHY_INDENT  3
 586
 587 bool hist_entry__has_hierarchy_children(struct hist_entry *he, float limit);
 588 int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...);
 589 int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...);
 590 int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
 591                            struct perf_hpp_list *hpp_list);
 592 int hists__fprintf_headers(struct hists *hists, FILE *fp);
 593 int __hists__scnprintf_title(struct hists *hists, char *bf, size_t size, bool show_freq);
 594
 595 static inline int hists__scnprintf_title(struct hists *hists, char *bf, size_t size)
 596 {
 597         return __hists__scnprintf_title(hists, bf, size, true);
 598 }
 599
 600 #endif  /* __PERF_HIST_H */