xref: /linux/tools/perf/util/hist.h (revision 7255fcc80d4b525cc10cfaaf7f485830d4ed2000)
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 "callchain.h"
8 #include "color.h"
9 #include "events_stats.h"
10 #include "evsel.h"
11 #include "map_symbol.h"
12 #include "mutex.h"
13 #include "sample.h"
14 #include "spark.h"
15 #include "stat.h"
16 
17 struct addr_location;
18 struct mem_info;
19 struct kvm_info;
20 struct branch_info;
21 struct branch_stack;
22 struct block_info;
23 struct ui_progress;
24 
25 enum hist_filter {
26 	HIST_FILTER__DSO,
27 	HIST_FILTER__THREAD,
28 	HIST_FILTER__PARENT,
29 	HIST_FILTER__SYMBOL,
30 	HIST_FILTER__GUEST,
31 	HIST_FILTER__HOST,
32 	HIST_FILTER__SOCKET,
33 	HIST_FILTER__C2C,
34 };
35 
36 enum hist_column {
37 	HISTC_SYMBOL,
38 	HISTC_TIME,
39 	HISTC_DSO,
40 	HISTC_THREAD,
41 	HISTC_COMM,
42 	HISTC_CGROUP_ID,
43 	HISTC_CGROUP,
44 	HISTC_PARENT,
45 	HISTC_CPU,
46 	HISTC_SOCKET,
47 	HISTC_SRCLINE,
48 	HISTC_SRCFILE,
49 	HISTC_MISPREDICT,
50 	HISTC_IN_TX,
51 	HISTC_ABORT,
52 	HISTC_SYMBOL_FROM,
53 	HISTC_SYMBOL_TO,
54 	HISTC_DSO_FROM,
55 	HISTC_DSO_TO,
56 	HISTC_LOCAL_WEIGHT,
57 	HISTC_GLOBAL_WEIGHT,
58 	HISTC_CODE_PAGE_SIZE,
59 	HISTC_MEM_DADDR_SYMBOL,
60 	HISTC_MEM_DADDR_DSO,
61 	HISTC_MEM_PHYS_DADDR,
62 	HISTC_MEM_DATA_PAGE_SIZE,
63 	HISTC_MEM_LOCKED,
64 	HISTC_MEM_TLB,
65 	HISTC_MEM_LVL,
66 	HISTC_MEM_SNOOP,
67 	HISTC_MEM_DCACHELINE,
68 	HISTC_MEM_IADDR_SYMBOL,
69 	HISTC_TRANSACTION,
70 	HISTC_CYCLES,
71 	HISTC_SRCLINE_FROM,
72 	HISTC_SRCLINE_TO,
73 	HISTC_TRACE,
74 	HISTC_SYM_SIZE,
75 	HISTC_DSO_SIZE,
76 	HISTC_SYMBOL_IPC,
77 	HISTC_MEM_BLOCKED,
78 	HISTC_LOCAL_INS_LAT,
79 	HISTC_GLOBAL_INS_LAT,
80 	HISTC_LOCAL_P_STAGE_CYC,
81 	HISTC_GLOBAL_P_STAGE_CYC,
82 	HISTC_ADDR_FROM,
83 	HISTC_ADDR_TO,
84 	HISTC_ADDR,
85 	HISTC_SIMD,
86 	HISTC_TYPE,
87 	HISTC_TYPE_OFFSET,
88 	HISTC_SYMBOL_OFFSET,
89 	HISTC_NR_COLS, /* Last entry */
90 };
91 
92 struct thread;
93 struct dso;
94 
95 struct hists {
96 	struct rb_root_cached	entries_in_array[2];
97 	struct rb_root_cached	*entries_in;
98 	struct rb_root_cached	entries;
99 	struct rb_root_cached	entries_collapsed;
100 	u64			nr_entries;
101 	u64			nr_non_filtered_entries;
102 	u64			callchain_period;
103 	u64			callchain_non_filtered_period;
104 	struct thread		*thread_filter;
105 	const struct dso	*dso_filter;
106 	const char		*uid_filter_str;
107 	const char		*symbol_filter_str;
108 	struct mutex		lock;
109 	struct hists_stats	stats;
110 	u64			event_stream;
111 	u16			col_len[HISTC_NR_COLS];
112 	bool			has_callchains;
113 	int			socket_filter;
114 	struct perf_hpp_list	*hpp_list;
115 	struct list_head	hpp_formats;
116 	int			nr_hpp_node;
117 };
118 
119 #define hists__has(__h, __f) (__h)->hpp_list->__f
120 
121 struct hist_entry_iter;
122 
123 struct hist_iter_ops {
124 	int (*prepare_entry)(struct hist_entry_iter *, struct addr_location *);
125 	int (*add_single_entry)(struct hist_entry_iter *, struct addr_location *);
126 	int (*next_entry)(struct hist_entry_iter *, struct addr_location *);
127 	int (*add_next_entry)(struct hist_entry_iter *, struct addr_location *);
128 	int (*finish_entry)(struct hist_entry_iter *, struct addr_location *);
129 };
130 
131 struct hist_entry_iter {
132 	int total;
133 	int curr;
134 
135 	bool hide_unresolved;
136 
137 	struct evsel *evsel;
138 	struct perf_sample *sample;
139 	struct hist_entry *he;
140 	struct symbol *parent;
141 	void *priv;
142 
143 	const struct hist_iter_ops *ops;
144 	/* user-defined callback function (optional) */
145 	int (*add_entry_cb)(struct hist_entry_iter *iter,
146 			    struct addr_location *al, bool single, void *arg);
147 };
148 
149 extern const struct hist_iter_ops hist_iter_normal;
150 extern const struct hist_iter_ops hist_iter_branch;
151 extern const struct hist_iter_ops hist_iter_mem;
152 extern const struct hist_iter_ops hist_iter_cumulative;
153 
154 struct res_sample {
155 	u64 time;
156 	int cpu;
157 	int tid;
158 };
159 
160 struct he_stat {
161 	u64			period;
162 	u64			period_sys;
163 	u64			period_us;
164 	u64			period_guest_sys;
165 	u64			period_guest_us;
166 	u64			weight1;
167 	u64			weight2;
168 	u64			weight3;
169 	u32			nr_events;
170 };
171 
172 struct namespace_id {
173 	u64			dev;
174 	u64			ino;
175 };
176 
177 struct hist_entry_diff {
178 	bool	computed;
179 	union {
180 		/* PERF_HPP__DELTA */
181 		double	period_ratio_delta;
182 
183 		/* PERF_HPP__RATIO */
184 		double	period_ratio;
185 
186 		/* HISTC_WEIGHTED_DIFF */
187 		s64	wdiff;
188 
189 		/* PERF_HPP_DIFF__CYCLES */
190 		s64	cycles;
191 	};
192 	struct stats	stats;
193 	unsigned long	svals[NUM_SPARKS];
194 };
195 
196 struct hist_entry_ops {
197 	void	*(*new)(size_t size);
198 	void	(*free)(void *ptr);
199 };
200 
201 /**
202  * struct hist_entry - histogram entry
203  *
204  * @row_offset - offset from the first callchain expanded to appear on screen
205  * @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
206  */
207 struct hist_entry {
208 	struct rb_node		rb_node_in;
209 	struct rb_node		rb_node;
210 	union {
211 		struct list_head node;
212 		struct list_head head;
213 	} pairs;
214 	struct he_stat		stat;
215 	struct he_stat		*stat_acc;
216 	struct map_symbol	ms;
217 	struct thread		*thread;
218 	struct comm		*comm;
219 	struct namespace_id	cgroup_id;
220 	u64			cgroup;
221 	u64			ip;
222 	u64			transaction;
223 	s32			socket;
224 	s32			cpu;
225 	u64			code_page_size;
226 	u64			weight;
227 	u64			ins_lat;
228 	u64			p_stage_cyc;
229 	u8			cpumode;
230 	u8			depth;
231 	int			mem_type_off;
232 	struct simd_flags	simd_flags;
233 
234 	/* We are added by hists__add_dummy_entry. */
235 	bool			dummy;
236 	bool			leaf;
237 
238 	char			level;
239 	u8			filtered;
240 
241 	u16			callchain_size;
242 	union {
243 		/*
244 		 * Since perf diff only supports the stdio output, TUI
245 		 * fields are only accessed from perf report (or perf
246 		 * top).  So make it a union to reduce memory usage.
247 		 */
248 		struct hist_entry_diff	diff;
249 		struct /* for TUI */ {
250 			u16	row_offset;
251 			u16	nr_rows;
252 			bool	init_have_children;
253 			bool	unfolded;
254 			bool	has_children;
255 			bool	has_no_entry;
256 		};
257 	};
258 	char			*srcline;
259 	char			*srcfile;
260 	struct symbol		*parent;
261 	struct branch_info	*branch_info;
262 	long			time;
263 	struct hists		*hists;
264 	struct mem_info		*mem_info;
265 	struct block_info	*block_info;
266 	struct kvm_info		*kvm_info;
267 	void			*raw_data;
268 	u32			raw_size;
269 	int			num_res;
270 	struct res_sample	*res_samples;
271 	void			*trace_output;
272 	struct perf_hpp_list	*hpp_list;
273 	struct hist_entry	*parent_he;
274 	struct hist_entry_ops	*ops;
275 	struct annotated_data_type *mem_type;
276 	union {
277 		/* this is for hierarchical entry structure */
278 		struct {
279 			struct rb_root_cached	hroot_in;
280 			struct rb_root_cached   hroot_out;
281 		};				/* non-leaf entries */
282 		struct rb_root	sorted_chain;	/* leaf entry has callchains */
283 	};
284 	struct callchain_root	callchain[0]; /* must be last member */
285 };
286 
287 static __pure inline bool hist_entry__has_callchains(struct hist_entry *he)
288 {
289 	return he->callchain_size != 0;
290 }
291 
292 static inline bool hist_entry__has_pairs(struct hist_entry *he)
293 {
294 	return !list_empty(&he->pairs.node);
295 }
296 
297 static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
298 {
299 	if (hist_entry__has_pairs(he))
300 		return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
301 	return NULL;
302 }
303 
304 static inline void hist_entry__add_pair(struct hist_entry *pair,
305 					struct hist_entry *he)
306 {
307 	list_add_tail(&pair->pairs.node, &he->pairs.head);
308 }
309 
310 struct hist_entry *hists__add_entry(struct hists *hists,
311 				    struct addr_location *al,
312 				    struct symbol *parent,
313 				    struct branch_info *bi,
314 				    struct mem_info *mi,
315 				    struct kvm_info *ki,
316 				    struct perf_sample *sample,
317 				    bool sample_self);
318 
319 struct hist_entry *hists__add_entry_ops(struct hists *hists,
320 					struct hist_entry_ops *ops,
321 					struct addr_location *al,
322 					struct symbol *sym_parent,
323 					struct branch_info *bi,
324 					struct mem_info *mi,
325 					struct kvm_info *ki,
326 					struct perf_sample *sample,
327 					bool sample_self);
328 
329 struct hist_entry *hists__add_entry_block(struct hists *hists,
330 					  struct addr_location *al,
331 					  struct block_info *bi);
332 
333 int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
334 			 int max_stack_depth, void *arg);
335 
336 struct perf_hpp;
337 struct perf_hpp_fmt;
338 
339 int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right);
340 int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right);
341 int hist_entry__transaction_len(void);
342 int hist_entry__sort_snprintf(struct hist_entry *he, char *bf, size_t size,
343 			      struct hists *hists);
344 int hist_entry__snprintf_alignment(struct hist_entry *he, struct perf_hpp *hpp,
345 				   struct perf_hpp_fmt *fmt, int printed);
346 int hist_entry__sym_snprintf(struct hist_entry *he, char *bf, size_t size,
347 			     unsigned int width);
348 void hist_entry__delete(struct hist_entry *he);
349 
350 typedef int (*hists__resort_cb_t)(struct hist_entry *he, void *arg);
351 
352 void evsel__output_resort_cb(struct evsel *evsel, struct ui_progress *prog,
353 			     hists__resort_cb_t cb, void *cb_arg);
354 void evsel__output_resort(struct evsel *evsel, struct ui_progress *prog);
355 void hists__output_resort(struct hists *hists, struct ui_progress *prog);
356 void hists__output_resort_cb(struct hists *hists, struct ui_progress *prog,
357 			     hists__resort_cb_t cb);
358 int hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
359 
360 void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
361 void hists__delete_entries(struct hists *hists);
362 void hists__output_recalc_col_len(struct hists *hists, int max_rows);
363 
364 struct hist_entry *hists__get_entry(struct hists *hists, int idx);
365 
366 u64 hists__total_period(struct hists *hists);
367 void hists__reset_stats(struct hists *hists);
368 void hists__inc_stats(struct hists *hists, struct hist_entry *h);
369 void hists__inc_nr_events(struct hists *hists);
370 void hists__inc_nr_samples(struct hists *hists, bool filtered);
371 void hists__inc_nr_lost_samples(struct hists *hists, u32 lost);
372 
373 size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
374 		      int max_cols, float min_pcnt, FILE *fp,
375 		      bool ignore_callchains);
376 size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp,
377 				 bool skip_empty);
378 
379 void hists__filter_by_dso(struct hists *hists);
380 void hists__filter_by_thread(struct hists *hists);
381 void hists__filter_by_symbol(struct hists *hists);
382 void hists__filter_by_socket(struct hists *hists);
383 
384 static inline bool hists__has_filter(struct hists *hists)
385 {
386 	return hists->thread_filter || hists->dso_filter ||
387 		hists->symbol_filter_str || (hists->socket_filter > -1);
388 }
389 
390 u16 hists__col_len(struct hists *hists, enum hist_column col);
391 void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len);
392 bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len);
393 void hists__reset_col_len(struct hists *hists);
394 void hists__calc_col_len(struct hists *hists, struct hist_entry *he);
395 
396 void hists__match(struct hists *leader, struct hists *other);
397 int hists__link(struct hists *leader, struct hists *other);
398 int hists__unlink(struct hists *hists);
399 
400 static inline float hist_entry__get_percent_limit(struct hist_entry *he)
401 {
402 	u64 period = he->stat.period;
403 	u64 total_period = hists__total_period(he->hists);
404 
405 	if (unlikely(total_period == 0))
406 		return 0;
407 
408 	if (symbol_conf.cumulate_callchain)
409 		period = he->stat_acc->period;
410 
411 	return period * 100.0 / total_period;
412 }
413 
414 struct hists_evsel {
415 	struct evsel evsel;
416 	struct hists	  hists;
417 };
418 
419 static inline struct evsel *hists_to_evsel(struct hists *hists)
420 {
421 	struct hists_evsel *hevsel = container_of(hists, struct hists_evsel, hists);
422 	return &hevsel->evsel;
423 }
424 
425 static inline struct hists *evsel__hists(struct evsel *evsel)
426 {
427 	struct hists_evsel *hevsel = (struct hists_evsel *)evsel;
428 	return &hevsel->hists;
429 }
430 
431 static __pure inline bool hists__has_callchains(struct hists *hists)
432 {
433 	return hists->has_callchains;
434 }
435 
436 int hists__init(void);
437 int __hists__init(struct hists *hists, struct perf_hpp_list *hpp_list);
438 
439 struct rb_root_cached *hists__get_rotate_entries_in(struct hists *hists);
440 
441 struct perf_hpp {
442 	char *buf;
443 	size_t size;
444 	const char *sep;
445 	void *ptr;
446 	bool skip;
447 };
448 
449 struct perf_hpp_fmt {
450 	const char *name;
451 	int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
452 		      struct hists *hists, int line, int *span);
453 	int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
454 		     struct hists *hists);
455 	void (*init)(struct perf_hpp_fmt *fmt, struct hist_entry *he);
456 	int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
457 		     struct hist_entry *he);
458 	int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
459 		     struct hist_entry *he);
460 	int64_t (*cmp)(struct perf_hpp_fmt *fmt,
461 		       struct hist_entry *a, struct hist_entry *b);
462 	int64_t (*collapse)(struct perf_hpp_fmt *fmt,
463 			    struct hist_entry *a, struct hist_entry *b);
464 	int64_t (*sort)(struct perf_hpp_fmt *fmt,
465 			struct hist_entry *a, struct hist_entry *b);
466 	bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);
467 	void (*free)(struct perf_hpp_fmt *fmt);
468 
469 	struct list_head list;
470 	struct list_head sort_list;
471 	bool elide;
472 	int len;
473 	int user_len;
474 	int idx;
475 	int level;
476 };
477 
478 struct perf_hpp_list {
479 	struct list_head fields;
480 	struct list_head sorts;
481 
482 	int nr_header_lines;
483 	int need_collapse;
484 	int parent;
485 	int sym;
486 	int dso;
487 	int socket;
488 	int thread;
489 	int comm;
490 };
491 
492 extern struct perf_hpp_list perf_hpp_list;
493 
494 struct perf_hpp_list_node {
495 	struct list_head	list;
496 	struct perf_hpp_list	hpp;
497 	int			level;
498 	bool			skip;
499 };
500 
501 void perf_hpp_list__column_register(struct perf_hpp_list *list,
502 				    struct perf_hpp_fmt *format);
503 void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
504 					struct perf_hpp_fmt *format);
505 void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
506 				       struct perf_hpp_fmt *format);
507 
508 static inline void perf_hpp__column_register(struct perf_hpp_fmt *format)
509 {
510 	perf_hpp_list__column_register(&perf_hpp_list, format);
511 }
512 
513 static inline void perf_hpp__register_sort_field(struct perf_hpp_fmt *format)
514 {
515 	perf_hpp_list__register_sort_field(&perf_hpp_list, format);
516 }
517 
518 static inline void perf_hpp__prepend_sort_field(struct perf_hpp_fmt *format)
519 {
520 	perf_hpp_list__prepend_sort_field(&perf_hpp_list, format);
521 }
522 
523 #define perf_hpp_list__for_each_format(_list, format) \
524 	list_for_each_entry(format, &(_list)->fields, list)
525 
526 #define perf_hpp_list__for_each_format_safe(_list, format, tmp)	\
527 	list_for_each_entry_safe(format, tmp, &(_list)->fields, list)
528 
529 #define perf_hpp_list__for_each_sort_list(_list, format) \
530 	list_for_each_entry(format, &(_list)->sorts, sort_list)
531 
532 #define perf_hpp_list__for_each_sort_list_safe(_list, format, tmp)	\
533 	list_for_each_entry_safe(format, tmp, &(_list)->sorts, sort_list)
534 
535 #define hists__for_each_format(hists, format) \
536 	perf_hpp_list__for_each_format((hists)->hpp_list, format)
537 
538 #define hists__for_each_sort_list(hists, format) \
539 	perf_hpp_list__for_each_sort_list((hists)->hpp_list, format)
540 
541 extern struct perf_hpp_fmt perf_hpp__format[];
542 
543 enum {
544 	/* Matches perf_hpp__format array. */
545 	PERF_HPP__OVERHEAD,
546 	PERF_HPP__OVERHEAD_SYS,
547 	PERF_HPP__OVERHEAD_US,
548 	PERF_HPP__OVERHEAD_GUEST_SYS,
549 	PERF_HPP__OVERHEAD_GUEST_US,
550 	PERF_HPP__OVERHEAD_ACC,
551 	PERF_HPP__SAMPLES,
552 	PERF_HPP__PERIOD,
553 	PERF_HPP__WEIGHT1,
554 	PERF_HPP__WEIGHT2,
555 	PERF_HPP__WEIGHT3,
556 
557 	PERF_HPP__MAX_INDEX
558 };
559 
560 void perf_hpp__init(void);
561 void perf_hpp__cancel_cumulate(void);
562 void perf_hpp__setup_output_field(struct perf_hpp_list *list);
563 void perf_hpp__reset_output_field(struct perf_hpp_list *list);
564 void perf_hpp__append_sort_keys(struct perf_hpp_list *list);
565 int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
566 				  struct evlist *evlist);
567 
568 
569 bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format);
570 bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *format);
571 bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists);
572 bool perf_hpp__is_trace_entry(struct perf_hpp_fmt *fmt);
573 bool perf_hpp__is_srcline_entry(struct perf_hpp_fmt *fmt);
574 bool perf_hpp__is_srcfile_entry(struct perf_hpp_fmt *fmt);
575 bool perf_hpp__is_thread_entry(struct perf_hpp_fmt *fmt);
576 bool perf_hpp__is_comm_entry(struct perf_hpp_fmt *fmt);
577 bool perf_hpp__is_dso_entry(struct perf_hpp_fmt *fmt);
578 bool perf_hpp__is_sym_entry(struct perf_hpp_fmt *fmt);
579 
580 struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt);
581 
582 int hist_entry__filter(struct hist_entry *he, int type, const void *arg);
583 
584 static inline bool perf_hpp__should_skip(struct perf_hpp_fmt *format,
585 					 struct hists *hists)
586 {
587 	if (format->elide)
588 		return true;
589 
590 	if (perf_hpp__is_dynamic_entry(format) &&
591 	    !perf_hpp__defined_dynamic_entry(format, hists))
592 		return true;
593 
594 	return false;
595 }
596 
597 void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists);
598 void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists);
599 void perf_hpp__set_user_width(const char *width_list_str);
600 void hists__reset_column_width(struct hists *hists);
601 
602 enum perf_hpp_fmt_type {
603 	PERF_HPP_FMT_TYPE__RAW,
604 	PERF_HPP_FMT_TYPE__PERCENT,
605 	PERF_HPP_FMT_TYPE__AVERAGE,
606 };
607 
608 typedef u64 (*hpp_field_fn)(struct hist_entry *he);
609 typedef int (*hpp_callback_fn)(struct perf_hpp *hpp, bool front);
610 typedef int (*hpp_snprint_fn)(struct perf_hpp *hpp, const char *fmt, ...);
611 
612 int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
613 	     struct hist_entry *he, hpp_field_fn get_field,
614 	     const char *fmtstr, hpp_snprint_fn print_fn,
615 	     enum perf_hpp_fmt_type fmtype);
616 int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
617 		 struct hist_entry *he, hpp_field_fn get_field,
618 		 const char *fmtstr, hpp_snprint_fn print_fn,
619 		 enum perf_hpp_fmt_type fmtype);
620 
621 static inline void advance_hpp(struct perf_hpp *hpp, int inc)
622 {
623 	hpp->buf  += inc;
624 	hpp->size -= inc;
625 }
626 
627 static inline size_t perf_hpp__use_color(void)
628 {
629 	return !symbol_conf.field_sep;
630 }
631 
632 static inline size_t perf_hpp__color_overhead(void)
633 {
634 	return perf_hpp__use_color() ?
635 	       (COLOR_MAXLEN + sizeof(PERF_COLOR_RESET)) * PERF_HPP__MAX_INDEX
636 	       : 0;
637 }
638 
639 struct evlist;
640 
641 struct hist_browser_timer {
642 	void (*timer)(void *arg);
643 	void *arg;
644 	int refresh;
645 };
646 
647 enum rstype {
648 	A_NORMAL,
649 	A_ASM,
650 	A_SOURCE
651 };
652 
653 struct block_hist {
654 	struct hists		block_hists;
655 	struct perf_hpp_list	block_list;
656 	struct perf_hpp_fmt	block_fmt;
657 	int			block_idx;
658 	bool			valid;
659 	struct hist_entry	he;
660 };
661 
662 #ifdef HAVE_SLANG_SUPPORT
663 #include "../ui/keysyms.h"
664 void attr_to_script(char *buf, struct perf_event_attr *attr);
665 
666 int map_symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
667 			     struct hist_browser_timer *hbt);
668 
669 int hist_entry__tui_annotate(struct hist_entry *he, struct evsel *evsel,
670 			     struct hist_browser_timer *hbt);
671 
672 int evlist__tui_browse_hists(struct evlist *evlist, const char *help, struct hist_browser_timer *hbt,
673 			     float min_pcnt, struct perf_env *env, bool warn_lost_event);
674 
675 int script_browse(const char *script_opt, struct evsel *evsel);
676 
677 void run_script(char *cmd);
678 int res_sample_browse(struct res_sample *res_samples, int num_res,
679 		      struct evsel *evsel, enum rstype rstype);
680 void res_sample_init(void);
681 
682 int block_hists_tui_browse(struct block_hist *bh, struct evsel *evsel,
683 			   float min_percent, struct perf_env *env);
684 #else
685 static inline
686 int evlist__tui_browse_hists(struct evlist *evlist __maybe_unused,
687 			     const char *help __maybe_unused,
688 			     struct hist_browser_timer *hbt __maybe_unused,
689 			     float min_pcnt __maybe_unused,
690 			     struct perf_env *env __maybe_unused,
691 			     bool warn_lost_event __maybe_unused)
692 {
693 	return 0;
694 }
695 static inline int map_symbol__tui_annotate(struct map_symbol *ms __maybe_unused,
696 					   struct evsel *evsel __maybe_unused,
697 					   struct hist_browser_timer *hbt __maybe_unused)
698 {
699 	return 0;
700 }
701 
702 static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused,
703 					   struct evsel *evsel __maybe_unused,
704 					   struct hist_browser_timer *hbt __maybe_unused)
705 {
706 	return 0;
707 }
708 
709 static inline int script_browse(const char *script_opt __maybe_unused,
710 				struct evsel *evsel __maybe_unused)
711 {
712 	return 0;
713 }
714 
715 static inline int res_sample_browse(struct res_sample *res_samples __maybe_unused,
716 				    int num_res __maybe_unused,
717 				    struct evsel *evsel __maybe_unused,
718 				    enum rstype rstype __maybe_unused)
719 {
720 	return 0;
721 }
722 
723 static inline void res_sample_init(void) {}
724 
725 static inline int block_hists_tui_browse(struct block_hist *bh __maybe_unused,
726 					 struct evsel *evsel __maybe_unused,
727 					 float min_percent __maybe_unused,
728 					 struct perf_env *env __maybe_unused)
729 {
730 	return 0;
731 }
732 
733 #define K_LEFT  -1000
734 #define K_RIGHT -2000
735 #define K_SWITCH_INPUT_DATA -3000
736 #define K_RELOAD -4000
737 #endif
738 
739 unsigned int hists__sort_list_width(struct hists *hists);
740 unsigned int hists__overhead_width(struct hists *hists);
741 
742 void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
743 			  struct perf_sample *sample, bool nonany_branch_mode,
744 			  u64 *total_cycles);
745 
746 struct option;
747 int parse_filter_percentage(const struct option *opt, const char *arg, int unset);
748 int perf_hist_config(const char *var, const char *value);
749 
750 void perf_hpp_list__init(struct perf_hpp_list *list);
751 
752 enum hierarchy_move_dir {
753 	HMD_NORMAL,
754 	HMD_FORCE_SIBLING,
755 	HMD_FORCE_CHILD,
756 };
757 
758 struct rb_node *rb_hierarchy_last(struct rb_node *node);
759 struct rb_node *__rb_hierarchy_next(struct rb_node *node,
760 				    enum hierarchy_move_dir hmd);
761 struct rb_node *rb_hierarchy_prev(struct rb_node *node);
762 
763 static inline struct rb_node *rb_hierarchy_next(struct rb_node *node)
764 {
765 	return __rb_hierarchy_next(node, HMD_NORMAL);
766 }
767 
768 #define HIERARCHY_INDENT  3
769 
770 bool hist_entry__has_hierarchy_children(struct hist_entry *he, float limit);
771 int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...);
772 int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...);
773 int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
774 			   struct perf_hpp_list *hpp_list);
775 int hists__fprintf_headers(struct hists *hists, FILE *fp);
776 int __hists__scnprintf_title(struct hists *hists, char *bf, size_t size, bool show_freq);
777 
778 static inline int hists__scnprintf_title(struct hists *hists, char *bf, size_t size)
779 {
780 	return __hists__scnprintf_title(hists, bf, size, true);
781 }
782 
783 #endif	/* __PERF_HIST_H */
784