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