1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __PERF_EVLIST_H
3 #define __PERF_EVLIST_H 1
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>
24 #define PERF_EVLIST__HLIST_BITS 8
25 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
28 struct list_head entries
;
29 struct hlist_head heads
[PERF_EVLIST__HLIST_SIZE
];
38 u64 combined_sample_type
;
39 enum bkw_mmap_state bkw_mmap_state
;
44 struct fdarray pollfd
;
45 struct perf_mmap
*mmap
;
46 struct perf_mmap
*overwrite_mmap
;
47 struct thread_map
*threads
;
49 struct perf_evsel
*selected
;
50 struct events_stats stats
;
52 void (*trace_event_sample_raw
)(struct perf_evlist
*evlist
,
53 union perf_event
*event
,
54 struct perf_sample
*sample
);
55 u64 first_sample_time
;
63 struct perf_evsel_str_handler
{
68 struct perf_evlist
*perf_evlist__new(void);
69 struct perf_evlist
*perf_evlist__new_default(void);
70 struct perf_evlist
*perf_evlist__new_dummy(void);
71 void perf_evlist__init(struct perf_evlist
*evlist
, struct cpu_map
*cpus
,
72 struct thread_map
*threads
);
73 void perf_evlist__exit(struct perf_evlist
*evlist
);
74 void perf_evlist__delete(struct perf_evlist
*evlist
);
76 void perf_evlist__add(struct perf_evlist
*evlist
, struct perf_evsel
*entry
);
77 void perf_evlist__remove(struct perf_evlist
*evlist
, struct perf_evsel
*evsel
);
79 int __perf_evlist__add_default(struct perf_evlist
*evlist
, bool precise
);
81 static inline int perf_evlist__add_default(struct perf_evlist
*evlist
)
83 return __perf_evlist__add_default(evlist
, true);
86 int __perf_evlist__add_default_attrs(struct perf_evlist
*evlist
,
87 struct perf_event_attr
*attrs
, size_t nr_attrs
);
89 #define perf_evlist__add_default_attrs(evlist, array) \
90 __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
92 int perf_evlist__add_dummy(struct perf_evlist
*evlist
);
94 int perf_evlist__add_sb_event(struct perf_evlist
**evlist
,
95 struct perf_event_attr
*attr
,
96 perf_evsel__sb_cb_t cb
,
98 int perf_evlist__start_sb_thread(struct perf_evlist
*evlist
,
99 struct target
*target
);
100 void perf_evlist__stop_sb_thread(struct perf_evlist
*evlist
);
102 int perf_evlist__add_newtp(struct perf_evlist
*evlist
,
103 const char *sys
, const char *name
, void *handler
);
105 void __perf_evlist__set_sample_bit(struct perf_evlist
*evlist
,
106 enum perf_event_sample_format bit
);
107 void __perf_evlist__reset_sample_bit(struct perf_evlist
*evlist
,
108 enum perf_event_sample_format bit
);
110 #define perf_evlist__set_sample_bit(evlist, bit) \
111 __perf_evlist__set_sample_bit(evlist, PERF_SAMPLE_##bit)
113 #define perf_evlist__reset_sample_bit(evlist, bit) \
114 __perf_evlist__reset_sample_bit(evlist, PERF_SAMPLE_##bit)
116 int perf_evlist__set_tp_filter(struct perf_evlist
*evlist
, const char *filter
);
117 int perf_evlist__set_tp_filter_pid(struct perf_evlist
*evlist
, pid_t pid
);
118 int perf_evlist__set_tp_filter_pids(struct perf_evlist
*evlist
, size_t npids
, pid_t
*pids
);
121 perf_evlist__find_tracepoint_by_id(struct perf_evlist
*evlist
, int id
);
124 perf_evlist__find_tracepoint_by_name(struct perf_evlist
*evlist
,
127 void perf_evlist__id_add(struct perf_evlist
*evlist
, struct perf_evsel
*evsel
,
128 int cpu
, int thread
, u64 id
);
129 int perf_evlist__id_add_fd(struct perf_evlist
*evlist
,
130 struct perf_evsel
*evsel
,
131 int cpu
, int thread
, int fd
);
133 int perf_evlist__add_pollfd(struct perf_evlist
*evlist
, int fd
);
134 int perf_evlist__alloc_pollfd(struct perf_evlist
*evlist
);
135 int perf_evlist__filter_pollfd(struct perf_evlist
*evlist
, short revents_and_mask
);
137 int perf_evlist__poll(struct perf_evlist
*evlist
, int timeout
);
139 struct perf_evsel
*perf_evlist__id2evsel(struct perf_evlist
*evlist
, u64 id
);
140 struct perf_evsel
*perf_evlist__id2evsel_strict(struct perf_evlist
*evlist
,
143 struct perf_sample_id
*perf_evlist__id2sid(struct perf_evlist
*evlist
, u64 id
);
145 void perf_evlist__toggle_bkw_mmap(struct perf_evlist
*evlist
, enum bkw_mmap_state state
);
147 void perf_evlist__mmap_consume(struct perf_evlist
*evlist
, int idx
);
149 int perf_evlist__open(struct perf_evlist
*evlist
);
150 void perf_evlist__close(struct perf_evlist
*evlist
);
152 struct callchain_param
;
154 void perf_evlist__set_id_pos(struct perf_evlist
*evlist
);
155 bool perf_can_sample_identifier(void);
156 bool perf_can_record_switch_events(void);
157 bool perf_can_record_cpu_wide(void);
158 void perf_evlist__config(struct perf_evlist
*evlist
, struct record_opts
*opts
,
159 struct callchain_param
*callchain
);
160 int record_opts__config(struct record_opts
*opts
);
162 int perf_evlist__prepare_workload(struct perf_evlist
*evlist
,
163 struct target
*target
,
164 const char *argv
[], bool pipe_output
,
165 void (*exec_error
)(int signo
, siginfo_t
*info
,
167 int perf_evlist__start_workload(struct perf_evlist
*evlist
);
171 int __perf_evlist__parse_mmap_pages(unsigned int *mmap_pages
, const char *str
);
172 int perf_evlist__parse_mmap_pages(const struct option
*opt
,
176 unsigned long perf_event_mlock_kb_in_pages(void);
178 int perf_evlist__mmap_ex(struct perf_evlist
*evlist
, unsigned int pages
,
179 unsigned int auxtrace_pages
,
180 bool auxtrace_overwrite
, int nr_cblocks
, int affinity
);
181 int perf_evlist__mmap(struct perf_evlist
*evlist
, unsigned int pages
);
182 void perf_evlist__munmap(struct perf_evlist
*evlist
);
184 size_t perf_evlist__mmap_size(unsigned long pages
);
186 void perf_evlist__disable(struct perf_evlist
*evlist
);
187 void perf_evlist__enable(struct perf_evlist
*evlist
);
188 void perf_evlist__toggle_enable(struct perf_evlist
*evlist
);
190 int perf_evlist__enable_event_idx(struct perf_evlist
*evlist
,
191 struct perf_evsel
*evsel
, int idx
);
193 void perf_evlist__set_selected(struct perf_evlist
*evlist
,
194 struct perf_evsel
*evsel
);
196 void perf_evlist__set_maps(struct perf_evlist
*evlist
, struct cpu_map
*cpus
,
197 struct thread_map
*threads
);
198 int perf_evlist__create_maps(struct perf_evlist
*evlist
, struct target
*target
);
199 int perf_evlist__apply_filters(struct perf_evlist
*evlist
, struct perf_evsel
**err_evsel
);
201 void __perf_evlist__set_leader(struct list_head
*list
);
202 void perf_evlist__set_leader(struct perf_evlist
*evlist
);
204 u64
perf_evlist__read_format(struct perf_evlist
*evlist
);
205 u64
__perf_evlist__combined_sample_type(struct perf_evlist
*evlist
);
206 u64
perf_evlist__combined_sample_type(struct perf_evlist
*evlist
);
207 u64
perf_evlist__combined_branch_type(struct perf_evlist
*evlist
);
208 bool perf_evlist__sample_id_all(struct perf_evlist
*evlist
);
209 u16
perf_evlist__id_hdr_size(struct perf_evlist
*evlist
);
211 int perf_evlist__parse_sample(struct perf_evlist
*evlist
, union perf_event
*event
,
212 struct perf_sample
*sample
);
214 int perf_evlist__parse_sample_timestamp(struct perf_evlist
*evlist
,
215 union perf_event
*event
,
218 bool perf_evlist__valid_sample_type(struct perf_evlist
*evlist
);
219 bool perf_evlist__valid_sample_id_all(struct perf_evlist
*evlist
);
220 bool perf_evlist__valid_read_format(struct perf_evlist
*evlist
);
222 void perf_evlist__splice_list_tail(struct perf_evlist
*evlist
,
223 struct list_head
*list
);
225 static inline bool perf_evlist__empty(struct perf_evlist
*evlist
)
227 return list_empty(&evlist
->entries
);
230 static inline struct perf_evsel
*perf_evlist__first(struct perf_evlist
*evlist
)
232 return list_entry(evlist
->entries
.next
, struct perf_evsel
, node
);
235 static inline struct perf_evsel
*perf_evlist__last(struct perf_evlist
*evlist
)
237 return list_entry(evlist
->entries
.prev
, struct perf_evsel
, node
);
240 size_t perf_evlist__fprintf(struct perf_evlist
*evlist
, FILE *fp
);
242 int perf_evlist__strerror_open(struct perf_evlist
*evlist
, int err
, char *buf
, size_t size
);
243 int perf_evlist__strerror_mmap(struct perf_evlist
*evlist
, int err
, char *buf
, size_t size
);
245 bool perf_evlist__can_select_event(struct perf_evlist
*evlist
, const char *str
);
246 void perf_evlist__to_front(struct perf_evlist
*evlist
,
247 struct perf_evsel
*move_evsel
);
250 * __evlist__for_each_entry - iterate thru all the evsels
251 * @list: list_head instance to iterate
252 * @evsel: struct evsel iterator
254 #define __evlist__for_each_entry(list, evsel) \
255 list_for_each_entry(evsel, list, node)
258 * evlist__for_each_entry - iterate thru all the evsels
259 * @evlist: evlist instance to iterate
260 * @evsel: struct evsel iterator
262 #define evlist__for_each_entry(evlist, evsel) \
263 __evlist__for_each_entry(&(evlist)->entries, evsel)
266 * __evlist__for_each_entry_continue - continue iteration thru all the evsels
267 * @list: list_head instance to iterate
268 * @evsel: struct evsel iterator
270 #define __evlist__for_each_entry_continue(list, evsel) \
271 list_for_each_entry_continue(evsel, list, node)
274 * evlist__for_each_entry_continue - continue iteration thru all the evsels
275 * @evlist: evlist instance to iterate
276 * @evsel: struct evsel iterator
278 #define evlist__for_each_entry_continue(evlist, evsel) \
279 __evlist__for_each_entry_continue(&(evlist)->entries, evsel)
282 * __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
283 * @list: list_head instance to iterate
284 * @evsel: struct evsel iterator
286 #define __evlist__for_each_entry_reverse(list, evsel) \
287 list_for_each_entry_reverse(evsel, list, node)
290 * evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
291 * @evlist: evlist instance to iterate
292 * @evsel: struct evsel iterator
294 #define evlist__for_each_entry_reverse(evlist, evsel) \
295 __evlist__for_each_entry_reverse(&(evlist)->entries, evsel)
298 * __evlist__for_each_entry_safe - safely iterate thru all the evsels
299 * @list: list_head instance to iterate
300 * @tmp: struct evsel temp iterator
301 * @evsel: struct evsel iterator
303 #define __evlist__for_each_entry_safe(list, tmp, evsel) \
304 list_for_each_entry_safe(evsel, tmp, list, node)
307 * evlist__for_each_entry_safe - safely iterate thru all the evsels
308 * @evlist: evlist instance to iterate
309 * @evsel: struct evsel iterator
310 * @tmp: struct evsel temp iterator
312 #define evlist__for_each_entry_safe(evlist, tmp, evsel) \
313 __evlist__for_each_entry_safe(&(evlist)->entries, tmp, evsel)
315 void perf_evlist__set_tracking_event(struct perf_evlist
*evlist
,
316 struct perf_evsel
*tracking_evsel
);
319 perf_evlist__find_evsel_by_str(struct perf_evlist
*evlist
, const char *str
);
321 struct perf_evsel
*perf_evlist__event2evsel(struct perf_evlist
*evlist
,
322 union perf_event
*event
);
324 bool perf_evlist__exclude_kernel(struct perf_evlist
*evlist
);
326 void perf_evlist__force_leader(struct perf_evlist
*evlist
);
328 struct perf_evsel
*perf_evlist__reset_weak_group(struct perf_evlist
*evlist
,
329 struct perf_evsel
*evsel
);
330 #endif /* __PERF_EVLIST_H */