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v4.6
 
  1#ifndef __PERF_EVLIST_H
  2#define __PERF_EVLIST_H 1
  3
  4#include <linux/atomic.h>
 
 
  5#include <linux/list.h>
  6#include <api/fd/array.h>
  7#include <stdio.h>
  8#include "../perf.h"
  9#include "event.h"
 10#include "evsel.h"
 11#include "util.h"
 12#include "auxtrace.h"
 13#include <unistd.h>
 14
 15struct pollfd;
 16struct thread_map;
 17struct cpu_map;
 18struct record_opts;
 19
 20#define PERF_EVLIST__HLIST_BITS 8
 21#define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
 22
 23/**
 24 * struct perf_mmap - perf's ring buffer mmap details
 
 
 
 
 
 
 
 
 
 
 25 *
 26 * @refcnt - e.g. code using PERF_EVENT_IOC_SET_OUTPUT to share this
 
 
 
 27 */
 28struct perf_mmap {
 29	void		 *base;
 30	int		 mask;
 31	atomic_t	 refcnt;
 32	u64		 prev;
 33	struct auxtrace_mmap auxtrace_mmap;
 34	char		 event_copy[PERF_SAMPLE_MAX_SIZE] __attribute__((aligned(8)));
 35};
 36
 37struct perf_evlist {
 38	struct list_head entries;
 39	struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
 40	int		 nr_entries;
 41	int		 nr_groups;
 42	int		 nr_mmaps;
 43	bool		 overwrite;
 44	bool		 enabled;
 45	bool		 has_user_cpus;
 46	size_t		 mmap_len;
 47	int		 id_pos;
 48	int		 is_pos;
 49	u64		 combined_sample_type;
 
 50	struct {
 51		int	cork_fd;
 52		pid_t	pid;
 53	} workload;
 54	struct fdarray	 pollfd;
 55	struct perf_mmap *mmap;
 56	struct thread_map *threads;
 57	struct cpu_map	  *cpus;
 58	struct perf_evsel *selected;
 59	struct events_stats stats;
 60	struct perf_env	*env;
 
 
 
 
 
 
 
 
 
 61};
 62
 63struct perf_evsel_str_handler {
 64	const char *name;
 65	void	   *handler;
 66};
 67
 68struct perf_evlist *perf_evlist__new(void);
 69struct perf_evlist *perf_evlist__new_default(void);
 70struct perf_evlist *perf_evlist__new_dummy(void);
 71void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
 72		       struct thread_map *threads);
 73void perf_evlist__exit(struct perf_evlist *evlist);
 74void perf_evlist__delete(struct perf_evlist *evlist);
 75
 76void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
 77void perf_evlist__remove(struct perf_evlist *evlist, struct perf_evsel *evsel);
 78int perf_evlist__add_default(struct perf_evlist *evlist);
 79int __perf_evlist__add_default_attrs(struct perf_evlist *evlist,
 
 
 
 
 
 
 
 80				     struct perf_event_attr *attrs, size_t nr_attrs);
 81
 82#define perf_evlist__add_default_attrs(evlist, array) \
 83	__perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
 84
 85int perf_evlist__add_dummy(struct perf_evlist *evlist);
 86
 87int perf_evlist__add_newtp(struct perf_evlist *evlist,
 
 
 
 
 
 
 
 
 88			   const char *sys, const char *name, void *handler);
 89
 90int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter);
 91int perf_evlist__set_filter_pid(struct perf_evlist *evlist, pid_t pid);
 92int perf_evlist__set_filter_pids(struct perf_evlist *evlist, size_t npids, pid_t *pids);
 
 
 
 
 
 
 
 
 
 
 
 93
 94struct perf_evsel *
 95perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id);
 96
 97struct perf_evsel *
 98perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist,
 99				     const char *name);
100
101void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
102			 int cpu, int thread, u64 id);
103int perf_evlist__id_add_fd(struct perf_evlist *evlist,
104			   struct perf_evsel *evsel,
105			   int cpu, int thread, int fd);
106
107int perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
108int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
109int perf_evlist__filter_pollfd(struct perf_evlist *evlist, short revents_and_mask);
110
111int perf_evlist__poll(struct perf_evlist *evlist, int timeout);
112
113struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
114struct perf_evsel *perf_evlist__id2evsel_strict(struct perf_evlist *evlist,
115						u64 id);
116
117struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id);
 
 
118
119union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx);
120
121void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx);
 
122
123int perf_evlist__open(struct perf_evlist *evlist);
124void perf_evlist__close(struct perf_evlist *evlist);
125
126void perf_evlist__set_id_pos(struct perf_evlist *evlist);
127bool perf_can_sample_identifier(void);
128bool perf_can_record_switch_events(void);
129bool perf_can_record_cpu_wide(void);
130void perf_evlist__config(struct perf_evlist *evlist, struct record_opts *opts);
 
131int record_opts__config(struct record_opts *opts);
132
133int perf_evlist__prepare_workload(struct perf_evlist *evlist,
134				  struct target *target,
135				  const char *argv[], bool pipe_output,
136				  void (*exec_error)(int signo, siginfo_t *info,
137						     void *ucontext));
138int perf_evlist__start_workload(struct perf_evlist *evlist);
139
140struct option;
141
142int __perf_evlist__parse_mmap_pages(unsigned int *mmap_pages, const char *str);
143int perf_evlist__parse_mmap_pages(const struct option *opt,
144				  const char *str,
145				  int unset);
146
147int perf_evlist__mmap_ex(struct perf_evlist *evlist, unsigned int pages,
148			 bool overwrite, unsigned int auxtrace_pages,
149			 bool auxtrace_overwrite);
150int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
151		      bool overwrite);
152void perf_evlist__munmap(struct perf_evlist *evlist);
153
154void perf_evlist__disable(struct perf_evlist *evlist);
155void perf_evlist__enable(struct perf_evlist *evlist);
156void perf_evlist__toggle_enable(struct perf_evlist *evlist);
157
158int perf_evlist__enable_event_idx(struct perf_evlist *evlist,
159				  struct perf_evsel *evsel, int idx);
160
161void perf_evlist__set_selected(struct perf_evlist *evlist,
162			       struct perf_evsel *evsel);
163
164void perf_evlist__set_maps(struct perf_evlist *evlist, struct cpu_map *cpus,
165			   struct thread_map *threads);
166int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target);
167int perf_evlist__apply_filters(struct perf_evlist *evlist, struct perf_evsel **err_evsel);
 
 
168
169void __perf_evlist__set_leader(struct list_head *list);
170void perf_evlist__set_leader(struct perf_evlist *evlist);
171
172u64 perf_evlist__read_format(struct perf_evlist *evlist);
173u64 __perf_evlist__combined_sample_type(struct perf_evlist *evlist);
174u64 perf_evlist__combined_sample_type(struct perf_evlist *evlist);
175u64 perf_evlist__combined_branch_type(struct perf_evlist *evlist);
176bool perf_evlist__sample_id_all(struct perf_evlist *evlist);
177u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist);
178
179int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event,
180			      struct perf_sample *sample);
181
182bool perf_evlist__valid_sample_type(struct perf_evlist *evlist);
183bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist);
184bool perf_evlist__valid_read_format(struct perf_evlist *evlist);
 
 
 
 
185
186void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
187				   struct list_head *list);
188
189static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)
190{
191	return list_entry(evlist->entries.next, struct perf_evsel, node);
192}
193
194static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
195{
196	return list_entry(evlist->entries.prev, struct perf_evsel, node);
197}
198
199size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp);
200
201int perf_evlist__strerror_open(struct perf_evlist *evlist, int err, char *buf, size_t size);
202int perf_evlist__strerror_mmap(struct perf_evlist *evlist, int err, char *buf, size_t size);
203
204static inline u64 perf_mmap__read_head(struct perf_mmap *mm)
205{
206	struct perf_event_mmap_page *pc = mm->base;
207	u64 head = ACCESS_ONCE(pc->data_head);
208	rmb();
209	return head;
210}
211
212static inline void perf_mmap__write_tail(struct perf_mmap *md, u64 tail)
213{
214	struct perf_event_mmap_page *pc = md->base;
215
216	/*
217	 * ensure all reads are done before we write the tail out.
218	 */
219	mb();
220	pc->data_tail = tail;
221}
222
223bool perf_evlist__can_select_event(struct perf_evlist *evlist, const char *str);
224void perf_evlist__to_front(struct perf_evlist *evlist,
225			   struct perf_evsel *move_evsel);
 
 
 
226
227/**
228 * __evlist__for_each - iterate thru all the evsels
229 * @list: list_head instance to iterate
230 * @evsel: struct evsel iterator
231 */
232#define __evlist__for_each(list, evsel) \
233        list_for_each_entry(evsel, list, node)
234
235/**
236 * evlist__for_each - iterate thru all the evsels
237 * @evlist: evlist instance to iterate
238 * @evsel: struct evsel iterator
239 */
240#define evlist__for_each(evlist, evsel) \
241	__evlist__for_each(&(evlist)->entries, evsel)
242
243/**
244 * __evlist__for_each_continue - continue iteration thru all the evsels
245 * @list: list_head instance to iterate
246 * @evsel: struct evsel iterator
247 */
248#define __evlist__for_each_continue(list, evsel) \
249        list_for_each_entry_continue(evsel, list, node)
250
251/**
252 * evlist__for_each_continue - continue iteration thru all the evsels
253 * @evlist: evlist instance to iterate
254 * @evsel: struct evsel iterator
255 */
256#define evlist__for_each_continue(evlist, evsel) \
257	__evlist__for_each_continue(&(evlist)->entries, evsel)
258
259/**
260 * __evlist__for_each_reverse - iterate thru all the evsels in reverse order
261 * @list: list_head instance to iterate
262 * @evsel: struct evsel iterator
263 */
264#define __evlist__for_each_reverse(list, evsel) \
265        list_for_each_entry_reverse(evsel, list, node)
266
267/**
268 * evlist__for_each_reverse - iterate thru all the evsels in reverse order
269 * @evlist: evlist instance to iterate
270 * @evsel: struct evsel iterator
271 */
272#define evlist__for_each_reverse(evlist, evsel) \
273	__evlist__for_each_reverse(&(evlist)->entries, evsel)
274
275/**
276 * __evlist__for_each_safe - safely iterate thru all the evsels
277 * @list: list_head instance to iterate
278 * @tmp: struct evsel temp iterator
279 * @evsel: struct evsel iterator
280 */
281#define __evlist__for_each_safe(list, tmp, evsel) \
282        list_for_each_entry_safe(evsel, tmp, list, node)
283
284/**
285 * evlist__for_each_safe - safely iterate thru all the evsels
286 * @evlist: evlist instance to iterate
287 * @evsel: struct evsel iterator
288 * @tmp: struct evsel temp iterator
289 */
290#define evlist__for_each_safe(evlist, tmp, evsel) \
291	__evlist__for_each_safe(&(evlist)->entries, tmp, evsel)
 
 
 
 
 
 
 
 
 
292
293void perf_evlist__set_tracking_event(struct perf_evlist *evlist,
294				     struct perf_evsel *tracking_evsel);
295
296void perf_event_attr__set_max_precise_ip(struct perf_event_attr *attr);
297
298struct perf_evsel *
299perf_evlist__find_evsel_by_str(struct perf_evlist *evlist, const char *str);
300#endif /* __PERF_EVLIST_H */
v5.4
  1/* SPDX-License-Identifier: GPL-2.0 */
  2#ifndef __PERF_EVLIST_H
  3#define __PERF_EVLIST_H 1
  4
  5#include <linux/compiler.h>
  6#include <linux/kernel.h>
  7#include <linux/refcount.h>
  8#include <linux/list.h>
  9#include <api/fd/array.h>
 10#include <internal/evlist.h>
 11#include <internal/evsel.h>
 12#include "events_stats.h"
 13#include "evsel.h"
 14#include <pthread.h>
 15#include <signal.h>
 16#include <unistd.h>
 17
 18struct pollfd;
 19struct thread_map;
 20struct perf_cpu_map;
 21struct record_opts;
 22
 23/*
 24 * State machine of bkw_mmap_state:
 25 *
 26 *                     .________________(forbid)_____________.
 27 *                     |                                     V
 28 * NOTREADY --(0)--> RUNNING --(1)--> DATA_PENDING --(2)--> EMPTY
 29 *                     ^  ^              |   ^               |
 30 *                     |  |__(forbid)____/   |___(forbid)___/|
 31 *                     |                                     |
 32 *                      \_________________(3)_______________/
 33 *
 34 * NOTREADY     : Backward ring buffers are not ready
 35 * RUNNING      : Backward ring buffers are recording
 36 * DATA_PENDING : We are required to collect data from backward ring buffers
 37 * EMPTY        : We have collected data from backward ring buffers.
 38 *
 39 * (0): Setup backward ring buffer
 40 * (1): Pause ring buffers for reading
 41 * (2): Read from ring buffers
 42 * (3): Resume ring buffers for recording
 43 */
 44enum bkw_mmap_state {
 45	BKW_MMAP_NOTREADY,
 46	BKW_MMAP_RUNNING,
 47	BKW_MMAP_DATA_PENDING,
 48	BKW_MMAP_EMPTY,
 
 
 49};
 50
 51struct evlist {
 52	struct perf_evlist core;
 
 
 53	int		 nr_groups;
 
 
 54	bool		 enabled;
 
 
 55	int		 id_pos;
 56	int		 is_pos;
 57	u64		 combined_sample_type;
 58	enum bkw_mmap_state bkw_mmap_state;
 59	struct {
 60		int	cork_fd;
 61		pid_t	pid;
 62	} workload;
 63	struct mmap *mmap;
 64	struct mmap *overwrite_mmap;
 65	struct evsel *selected;
 
 
 66	struct events_stats stats;
 67	struct perf_env	*env;
 68	void (*trace_event_sample_raw)(struct evlist *evlist,
 69				       union perf_event *event,
 70				       struct perf_sample *sample);
 71	u64		first_sample_time;
 72	u64		last_sample_time;
 73	struct {
 74		pthread_t		th;
 75		volatile int		done;
 76	} thread;
 77};
 78
 79struct evsel_str_handler {
 80	const char *name;
 81	void	   *handler;
 82};
 83
 84struct evlist *evlist__new(void);
 85struct evlist *perf_evlist__new_default(void);
 86struct evlist *perf_evlist__new_dummy(void);
 87void evlist__init(struct evlist *evlist, struct perf_cpu_map *cpus,
 88		  struct perf_thread_map *threads);
 89void evlist__exit(struct evlist *evlist);
 90void evlist__delete(struct evlist *evlist);
 91
 92void evlist__add(struct evlist *evlist, struct evsel *entry);
 93void evlist__remove(struct evlist *evlist, struct evsel *evsel);
 94
 95int __perf_evlist__add_default(struct evlist *evlist, bool precise);
 96
 97static inline int perf_evlist__add_default(struct evlist *evlist)
 98{
 99	return __perf_evlist__add_default(evlist, true);
100}
101
102int __perf_evlist__add_default_attrs(struct evlist *evlist,
103				     struct perf_event_attr *attrs, size_t nr_attrs);
104
105#define perf_evlist__add_default_attrs(evlist, array) \
106	__perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
107
108int perf_evlist__add_dummy(struct evlist *evlist);
109
110int perf_evlist__add_sb_event(struct evlist **evlist,
111			      struct perf_event_attr *attr,
112			      perf_evsel__sb_cb_t cb,
113			      void *data);
114int perf_evlist__start_sb_thread(struct evlist *evlist,
115				 struct target *target);
116void perf_evlist__stop_sb_thread(struct evlist *evlist);
117
118int perf_evlist__add_newtp(struct evlist *evlist,
119			   const char *sys, const char *name, void *handler);
120
121void __perf_evlist__set_sample_bit(struct evlist *evlist,
122				   enum perf_event_sample_format bit);
123void __perf_evlist__reset_sample_bit(struct evlist *evlist,
124				     enum perf_event_sample_format bit);
125
126#define perf_evlist__set_sample_bit(evlist, bit) \
127	__perf_evlist__set_sample_bit(evlist, PERF_SAMPLE_##bit)
128
129#define perf_evlist__reset_sample_bit(evlist, bit) \
130	__perf_evlist__reset_sample_bit(evlist, PERF_SAMPLE_##bit)
131
132int perf_evlist__set_tp_filter(struct evlist *evlist, const char *filter);
133int perf_evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid);
134int perf_evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids);
135
136struct evsel *
137perf_evlist__find_tracepoint_by_id(struct evlist *evlist, int id);
138
139struct evsel *
140perf_evlist__find_tracepoint_by_name(struct evlist *evlist,
141				     const char *name);
142
143int evlist__add_pollfd(struct evlist *evlist, int fd);
144int evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask);
 
 
 
 
 
 
 
145
146int evlist__poll(struct evlist *evlist, int timeout);
147
148struct evsel *perf_evlist__id2evsel(struct evlist *evlist, u64 id);
149struct evsel *perf_evlist__id2evsel_strict(struct evlist *evlist,
150						u64 id);
151
152struct perf_sample_id *perf_evlist__id2sid(struct evlist *evlist, u64 id);
153
154void perf_evlist__toggle_bkw_mmap(struct evlist *evlist, enum bkw_mmap_state state);
155
156void evlist__mmap_consume(struct evlist *evlist, int idx);
157
158int evlist__open(struct evlist *evlist);
159void evlist__close(struct evlist *evlist);
160
161struct callchain_param;
 
162
163void perf_evlist__set_id_pos(struct evlist *evlist);
164bool perf_can_sample_identifier(void);
165bool perf_can_record_switch_events(void);
166bool perf_can_record_cpu_wide(void);
167void perf_evlist__config(struct evlist *evlist, struct record_opts *opts,
168			 struct callchain_param *callchain);
169int record_opts__config(struct record_opts *opts);
170
171int perf_evlist__prepare_workload(struct evlist *evlist,
172				  struct target *target,
173				  const char *argv[], bool pipe_output,
174				  void (*exec_error)(int signo, siginfo_t *info,
175						     void *ucontext));
176int perf_evlist__start_workload(struct evlist *evlist);
177
178struct option;
179
180int __perf_evlist__parse_mmap_pages(unsigned int *mmap_pages, const char *str);
181int perf_evlist__parse_mmap_pages(const struct option *opt,
182				  const char *str,
183				  int unset);
184
185unsigned long perf_event_mlock_kb_in_pages(void);
186
187int evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
188			 unsigned int auxtrace_pages,
189			 bool auxtrace_overwrite, int nr_cblocks,
190			 int affinity, int flush, int comp_level);
191int evlist__mmap(struct evlist *evlist, unsigned int pages);
192void evlist__munmap(struct evlist *evlist);
193
194size_t evlist__mmap_size(unsigned long pages);
195
196void evlist__disable(struct evlist *evlist);
197void evlist__enable(struct evlist *evlist);
198void perf_evlist__toggle_enable(struct evlist *evlist);
199
200int perf_evlist__enable_event_idx(struct evlist *evlist,
201				  struct evsel *evsel, int idx);
202
203void perf_evlist__set_selected(struct evlist *evlist,
204			       struct evsel *evsel);
205
206int perf_evlist__create_maps(struct evlist *evlist, struct target *target);
207int perf_evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel);
208
209void __perf_evlist__set_leader(struct list_head *list);
210void perf_evlist__set_leader(struct evlist *evlist);
211
212u64 __perf_evlist__combined_sample_type(struct evlist *evlist);
213u64 perf_evlist__combined_sample_type(struct evlist *evlist);
214u64 perf_evlist__combined_branch_type(struct evlist *evlist);
215bool perf_evlist__sample_id_all(struct evlist *evlist);
216u16 perf_evlist__id_hdr_size(struct evlist *evlist);
 
217
218int perf_evlist__parse_sample(struct evlist *evlist, union perf_event *event,
219			      struct perf_sample *sample);
220
221int perf_evlist__parse_sample_timestamp(struct evlist *evlist,
222					union perf_event *event,
223					u64 *timestamp);
224
225bool perf_evlist__valid_sample_type(struct evlist *evlist);
226bool perf_evlist__valid_sample_id_all(struct evlist *evlist);
227bool perf_evlist__valid_read_format(struct evlist *evlist);
228
229void perf_evlist__splice_list_tail(struct evlist *evlist,
230				   struct list_head *list);
231
232static inline bool perf_evlist__empty(struct evlist *evlist)
233{
234	return list_empty(&evlist->core.entries);
235}
236
237static inline struct evsel *evlist__first(struct evlist *evlist)
238{
239	struct perf_evsel *evsel = perf_evlist__first(&evlist->core);
 
 
 
240
241	return container_of(evsel, struct evsel, core);
 
 
 
 
 
 
 
 
242}
243
244static inline struct evsel *evlist__last(struct evlist *evlist)
245{
246	struct perf_evsel *evsel = perf_evlist__last(&evlist->core);
247
248	return container_of(evsel, struct evsel, core);
 
 
 
 
249}
250
251int perf_evlist__strerror_open(struct evlist *evlist, int err, char *buf, size_t size);
252int perf_evlist__strerror_mmap(struct evlist *evlist, int err, char *buf, size_t size);
253
254bool perf_evlist__can_select_event(struct evlist *evlist, const char *str);
255void perf_evlist__to_front(struct evlist *evlist,
256			   struct evsel *move_evsel);
257
258/**
259 * __evlist__for_each_entry - iterate thru all the evsels
260 * @list: list_head instance to iterate
261 * @evsel: struct evsel iterator
262 */
263#define __evlist__for_each_entry(list, evsel) \
264        list_for_each_entry(evsel, list, core.node)
265
266/**
267 * evlist__for_each_entry - iterate thru all the evsels
268 * @evlist: evlist instance to iterate
269 * @evsel: struct evsel iterator
270 */
271#define evlist__for_each_entry(evlist, evsel) \
272	__evlist__for_each_entry(&(evlist)->core.entries, evsel)
273
274/**
275 * __evlist__for_each_entry_continue - continue iteration thru all the evsels
276 * @list: list_head instance to iterate
277 * @evsel: struct evsel iterator
278 */
279#define __evlist__for_each_entry_continue(list, evsel) \
280        list_for_each_entry_continue(evsel, list, core.node)
281
282/**
283 * evlist__for_each_entry_continue - continue iteration thru all the evsels
284 * @evlist: evlist instance to iterate
285 * @evsel: struct evsel iterator
286 */
287#define evlist__for_each_entry_continue(evlist, evsel) \
288	__evlist__for_each_entry_continue(&(evlist)->core.entries, evsel)
289
290/**
291 * __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
292 * @list: list_head instance to iterate
293 * @evsel: struct evsel iterator
294 */
295#define __evlist__for_each_entry_reverse(list, evsel) \
296        list_for_each_entry_reverse(evsel, list, core.node)
297
298/**
299 * evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
300 * @evlist: evlist instance to iterate
301 * @evsel: struct evsel iterator
302 */
303#define evlist__for_each_entry_reverse(evlist, evsel) \
304	__evlist__for_each_entry_reverse(&(evlist)->core.entries, evsel)
305
306/**
307 * __evlist__for_each_entry_safe - safely iterate thru all the evsels
308 * @list: list_head instance to iterate
309 * @tmp: struct evsel temp iterator
310 * @evsel: struct evsel iterator
311 */
312#define __evlist__for_each_entry_safe(list, tmp, evsel) \
313        list_for_each_entry_safe(evsel, tmp, list, core.node)
314
315/**
316 * evlist__for_each_entry_safe - safely iterate thru all the evsels
317 * @evlist: evlist instance to iterate
318 * @evsel: struct evsel iterator
319 * @tmp: struct evsel temp iterator
320 */
321#define evlist__for_each_entry_safe(evlist, tmp, evsel) \
322	__evlist__for_each_entry_safe(&(evlist)->core.entries, tmp, evsel)
323
324void perf_evlist__set_tracking_event(struct evlist *evlist,
325				     struct evsel *tracking_evsel);
326
327struct evsel *
328perf_evlist__find_evsel_by_str(struct evlist *evlist, const char *str);
329
330struct evsel *perf_evlist__event2evsel(struct evlist *evlist,
331					    union perf_event *event);
332
333bool perf_evlist__exclude_kernel(struct evlist *evlist);
 
334
335void perf_evlist__force_leader(struct evlist *evlist);
336
337struct evsel *perf_evlist__reset_weak_group(struct evlist *evlist,
338						 struct evsel *evsel);
339#endif /* __PERF_EVLIST_H */