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