1
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
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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
121int __evlist__set_tracepoints_handlers(struct evlist *evlist,
122 const struct evsel_str_handler *assocs,
123 size_t nr_assocs);
124
125#define evlist__set_tracepoints_handlers(evlist, array) \
126 __evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array))
127
128void __perf_evlist__set_sample_bit(struct evlist *evlist,
129 enum perf_event_sample_format bit);
130void __perf_evlist__reset_sample_bit(struct evlist *evlist,
131 enum perf_event_sample_format bit);
132
133#define perf_evlist__set_sample_bit(evlist, bit) \
134 __perf_evlist__set_sample_bit(evlist, PERF_SAMPLE_##bit)
135
136#define perf_evlist__reset_sample_bit(evlist, bit) \
137 __perf_evlist__reset_sample_bit(evlist, PERF_SAMPLE_##bit)
138
139int perf_evlist__set_tp_filter(struct evlist *evlist, const char *filter);
140int perf_evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid);
141int perf_evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids);
142
143int perf_evlist__append_tp_filter(struct evlist *evlist, const char *filter);
144
145int perf_evlist__append_tp_filter_pid(struct evlist *evlist, pid_t pid);
146int perf_evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids);
147
148struct evsel *
149perf_evlist__find_tracepoint_by_id(struct evlist *evlist, int id);
150
151struct evsel *
152perf_evlist__find_tracepoint_by_name(struct evlist *evlist,
153 const char *name);
154
155int evlist__add_pollfd(struct evlist *evlist, int fd);
156int evlist__filter_pollfd(struct evlist *evlist, short revents_and_mask);
157
158int evlist__poll(struct evlist *evlist, int timeout);
159
160struct evsel *perf_evlist__id2evsel(struct evlist *evlist, u64 id);
161struct evsel *perf_evlist__id2evsel_strict(struct evlist *evlist,
162 u64 id);
163
164struct perf_sample_id *perf_evlist__id2sid(struct evlist *evlist, u64 id);
165
166void perf_evlist__toggle_bkw_mmap(struct evlist *evlist, enum bkw_mmap_state state);
167
168void evlist__mmap_consume(struct evlist *evlist, int idx);
169
170int evlist__open(struct evlist *evlist);
171void evlist__close(struct evlist *evlist);
172
173struct callchain_param;
174
175void perf_evlist__set_id_pos(struct evlist *evlist);
176bool perf_can_sample_identifier(void);
177bool perf_can_record_switch_events(void);
178bool perf_can_record_cpu_wide(void);
179bool perf_can_aux_sample(void);
180void perf_evlist__config(struct evlist *evlist, struct record_opts *opts,
181 struct callchain_param *callchain);
182int record_opts__config(struct record_opts *opts);
183
184int perf_evlist__prepare_workload(struct evlist *evlist,
185 struct target *target,
186 const char *argv[], bool pipe_output,
187 void (*exec_error)(int signo, siginfo_t *info,
188 void *ucontext));
189int perf_evlist__start_workload(struct evlist *evlist);
190
191struct option;
192
193int __perf_evlist__parse_mmap_pages(unsigned int *mmap_pages, const char *str);
194int perf_evlist__parse_mmap_pages(const struct option *opt,
195 const char *str,
196 int unset);
197
198unsigned long perf_event_mlock_kb_in_pages(void);
199
200int evlist__mmap_ex(struct evlist *evlist, unsigned int pages,
201 unsigned int auxtrace_pages,
202 bool auxtrace_overwrite, int nr_cblocks,
203 int affinity, int flush, int comp_level);
204int evlist__mmap(struct evlist *evlist, unsigned int pages);
205void evlist__munmap(struct evlist *evlist);
206
207size_t evlist__mmap_size(unsigned long pages);
208
209void evlist__disable(struct evlist *evlist);
210void evlist__enable(struct evlist *evlist);
211void perf_evlist__toggle_enable(struct evlist *evlist);
212
213int perf_evlist__enable_event_idx(struct evlist *evlist,
214 struct evsel *evsel, int idx);
215
216void perf_evlist__set_selected(struct evlist *evlist,
217 struct evsel *evsel);
218
219int perf_evlist__create_maps(struct evlist *evlist, struct target *target);
220int perf_evlist__apply_filters(struct evlist *evlist, struct evsel **err_evsel);
221
222void __perf_evlist__set_leader(struct list_head *list);
223void perf_evlist__set_leader(struct evlist *evlist);
224
225u64 __perf_evlist__combined_sample_type(struct evlist *evlist);
226u64 perf_evlist__combined_sample_type(struct evlist *evlist);
227u64 perf_evlist__combined_branch_type(struct evlist *evlist);
228bool perf_evlist__sample_id_all(struct evlist *evlist);
229u16 perf_evlist__id_hdr_size(struct evlist *evlist);
230
231int perf_evlist__parse_sample(struct evlist *evlist, union perf_event *event,
232 struct perf_sample *sample);
233
234int perf_evlist__parse_sample_timestamp(struct evlist *evlist,
235 union perf_event *event,
236 u64 *timestamp);
237
238bool perf_evlist__valid_sample_type(struct evlist *evlist);
239bool perf_evlist__valid_sample_id_all(struct evlist *evlist);
240bool perf_evlist__valid_read_format(struct evlist *evlist);
241
242void perf_evlist__splice_list_tail(struct evlist *evlist,
243 struct list_head *list);
244
245static inline bool perf_evlist__empty(struct evlist *evlist)
246{
247 return list_empty(&evlist->core.entries);
248}
249
250static inline struct evsel *evlist__first(struct evlist *evlist)
251{
252 struct perf_evsel *evsel = perf_evlist__first(&evlist->core);
253
254 return container_of(evsel, struct evsel, core);
255}
256
257static inline struct evsel *evlist__last(struct evlist *evlist)
258{
259 struct perf_evsel *evsel = perf_evlist__last(&evlist->core);
260
261 return container_of(evsel, struct evsel, core);
262}
263
264int perf_evlist__strerror_open(struct evlist *evlist, int err, char *buf, size_t size);
265int perf_evlist__strerror_mmap(struct evlist *evlist, int err, char *buf, size_t size);
266
267bool perf_evlist__can_select_event(struct evlist *evlist, const char *str);
268void perf_evlist__to_front(struct evlist *evlist,
269 struct evsel *move_evsel);
270
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275
276#define __evlist__for_each_entry(list, evsel) \
277 list_for_each_entry(evsel, list, core.node)
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283
284#define evlist__for_each_entry(evlist, evsel) \
285 __evlist__for_each_entry(&(evlist)->core.entries, evsel)
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291
292#define __evlist__for_each_entry_continue(list, evsel) \
293 list_for_each_entry_continue(evsel, list, core.node)
294
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299
300#define evlist__for_each_entry_continue(evlist, evsel) \
301 __evlist__for_each_entry_continue(&(evlist)->core.entries, evsel)
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307
308#define __evlist__for_each_entry_reverse(list, evsel) \
309 list_for_each_entry_reverse(evsel, list, core.node)
310
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315
316#define evlist__for_each_entry_reverse(evlist, evsel) \
317 __evlist__for_each_entry_reverse(&(evlist)->core.entries, evsel)
318
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323
324
325#define __evlist__for_each_entry_safe(list, tmp, evsel) \
326 list_for_each_entry_safe(evsel, tmp, list, core.node)
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332
333
334#define evlist__for_each_entry_safe(evlist, tmp, evsel) \
335 __evlist__for_each_entry_safe(&(evlist)->core.entries, tmp, evsel)
336
337#define evlist__for_each_cpu(evlist, index, cpu) \
338 evlist__cpu_iter_start(evlist); \
339 perf_cpu_map__for_each_cpu (cpu, index, (evlist)->core.all_cpus)
340
341void perf_evlist__set_tracking_event(struct evlist *evlist,
342 struct evsel *tracking_evsel);
343
344void evlist__cpu_iter_start(struct evlist *evlist);
345bool evsel__cpu_iter_skip(struct evsel *ev, int cpu);
346bool evsel__cpu_iter_skip_no_inc(struct evsel *ev, int cpu);
347
348struct evsel *
349perf_evlist__find_evsel_by_str(struct evlist *evlist, const char *str);
350
351struct evsel *perf_evlist__event2evsel(struct evlist *evlist,
352 union perf_event *event);
353
354bool perf_evlist__exclude_kernel(struct evlist *evlist);
355
356void perf_evlist__force_leader(struct evlist *evlist);
357
358struct evsel *perf_evlist__reset_weak_group(struct evlist *evlist,
359 struct evsel *evsel,
360 bool close);
361#endif
362