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
hists__has_filter(struct hists * hists)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
hists_to_evsel(struct hists * hists)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
evsel__hists(struct evsel * evsel)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
hists__has_callchains(struct hists * hists)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
perf_hpp__column_register(struct perf_hpp_fmt * format)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
perf_hpp__register_sort_field(struct perf_hpp_fmt * format)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
perf_hpp__prepend_sort_field(struct perf_hpp_fmt * format)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
perf_hpp__should_skip(struct perf_hpp_fmt * format,struct hists * hists)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
advance_hpp(struct perf_hpp * hpp,int inc)434 static inline void advance_hpp(struct perf_hpp *hpp, int inc)
435 {
436 hpp->buf += inc;
437 hpp->size -= inc;
438 }
439
perf_hpp__use_color(void)440 static inline size_t perf_hpp__use_color(void)
441 {
442 return !symbol_conf.field_sep;
443 }
444
perf_hpp__color_overhead(void)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 res_sample;
461
462 enum rstype {
463 A_NORMAL,
464 A_ASM,
465 A_SOURCE
466 };
467
468 struct block_hist;
469
470 #ifdef HAVE_SLANG_SUPPORT
471 #include "../ui/keysyms.h"
472 void attr_to_script(char *buf, struct perf_event_attr *attr);
473
474 int map_symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
475 struct hist_browser_timer *hbt);
476
477 int hist_entry__tui_annotate(struct hist_entry *he, struct evsel *evsel,
478 struct hist_browser_timer *hbt);
479
480 int evlist__tui_browse_hists(struct evlist *evlist, const char *help, struct hist_browser_timer *hbt,
481 float min_pcnt, struct perf_env *env, bool warn_lost_event);
482
483 int script_browse(const char *script_opt, struct evsel *evsel);
484
485 void run_script(char *cmd);
486 int res_sample_browse(struct res_sample *res_samples, int num_res,
487 struct evsel *evsel, enum rstype rstype);
488 void res_sample_init(void);
489
490 int block_hists_tui_browse(struct block_hist *bh, struct evsel *evsel,
491 float min_percent, struct perf_env *env);
492 #else
493 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)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 {
501 return 0;
502 }
map_symbol__tui_annotate(struct map_symbol * ms __maybe_unused,struct evsel * evsel __maybe_unused,struct hist_browser_timer * hbt __maybe_unused)503 static inline int map_symbol__tui_annotate(struct map_symbol *ms __maybe_unused,
504 struct evsel *evsel __maybe_unused,
505 struct hist_browser_timer *hbt __maybe_unused)
506 {
507 return 0;
508 }
509
hist_entry__tui_annotate(struct hist_entry * he __maybe_unused,struct evsel * evsel __maybe_unused,struct hist_browser_timer * hbt __maybe_unused)510 static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused,
511 struct evsel *evsel __maybe_unused,
512 struct hist_browser_timer *hbt __maybe_unused)
513 {
514 return 0;
515 }
516
script_browse(const char * script_opt __maybe_unused,struct evsel * evsel __maybe_unused)517 static inline int script_browse(const char *script_opt __maybe_unused,
518 struct evsel *evsel __maybe_unused)
519 {
520 return 0;
521 }
522
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)523 static inline int res_sample_browse(struct res_sample *res_samples __maybe_unused,
524 int num_res __maybe_unused,
525 struct evsel *evsel __maybe_unused,
526 enum rstype rstype __maybe_unused)
527 {
528 return 0;
529 }
530
res_sample_init(void)531 static inline void res_sample_init(void) {}
532
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)533 static inline int block_hists_tui_browse(struct block_hist *bh __maybe_unused,
534 struct evsel *evsel __maybe_unused,
535 float min_percent __maybe_unused,
536 struct perf_env *env __maybe_unused)
537 {
538 return 0;
539 }
540
541 #define K_LEFT -1000
542 #define K_RIGHT -2000
543 #define K_SWITCH_INPUT_DATA -3000
544 #define K_RELOAD -4000
545 #endif
546
547 unsigned int hists__sort_list_width(struct hists *hists);
548 unsigned int hists__overhead_width(struct hists *hists);
549
550 void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
551 struct perf_sample *sample, bool nonany_branch_mode,
552 u64 *total_cycles);
553
554 struct option;
555 int parse_filter_percentage(const struct option *opt, const char *arg, int unset);
556 int perf_hist_config(const char *var, const char *value);
557
558 void perf_hpp_list__init(struct perf_hpp_list *list);
559
560 enum hierarchy_move_dir {
561 HMD_NORMAL,
562 HMD_FORCE_SIBLING,
563 HMD_FORCE_CHILD,
564 };
565
566 struct rb_node *rb_hierarchy_last(struct rb_node *node);
567 struct rb_node *__rb_hierarchy_next(struct rb_node *node,
568 enum hierarchy_move_dir hmd);
569 struct rb_node *rb_hierarchy_prev(struct rb_node *node);
570
rb_hierarchy_next(struct rb_node * node)571 static inline struct rb_node *rb_hierarchy_next(struct rb_node *node)
572 {
573 return __rb_hierarchy_next(node, HMD_NORMAL);
574 }
575
576 #define HIERARCHY_INDENT 3
577
578 bool hist_entry__has_hierarchy_children(struct hist_entry *he, float limit);
579 int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...);
580 int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...);
581 int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
582 struct perf_hpp_list *hpp_list);
583 int hists__fprintf_headers(struct hists *hists, FILE *fp);
584 int __hists__scnprintf_title(struct hists *hists, char *bf, size_t size, bool show_freq);
585
hists__scnprintf_title(struct hists * hists,char * bf,size_t size)586 static inline int hists__scnprintf_title(struct hists *hists, char *bf, size_t size)
587 {
588 return __hists__scnprintf_title(hists, bf, size, true);
589 }
590
591 #endif /* __PERF_HIST_H */
592