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 u64 first_sample_time
;
56 struct perf_evsel_str_handler
{
61 struct perf_evlist
*perf_evlist__new(void);
62 struct perf_evlist
*perf_evlist__new_default(void);
63 struct perf_evlist
*perf_evlist__new_dummy(void);
64 void perf_evlist__init(struct perf_evlist
*evlist
, struct cpu_map
*cpus
,
65 struct thread_map
*threads
);
66 void perf_evlist__exit(struct perf_evlist
*evlist
);
67 void perf_evlist__delete(struct perf_evlist
*evlist
);
69 void perf_evlist__add(struct perf_evlist
*evlist
, struct perf_evsel
*entry
);
70 void perf_evlist__remove(struct perf_evlist
*evlist
, struct perf_evsel
*evsel
);
72 int __perf_evlist__add_default(struct perf_evlist
*evlist
, bool precise
);
74 static inline int perf_evlist__add_default(struct perf_evlist
*evlist
)
76 return __perf_evlist__add_default(evlist
, true);
79 int __perf_evlist__add_default_attrs(struct perf_evlist
*evlist
,
80 struct perf_event_attr
*attrs
, size_t nr_attrs
);
82 #define perf_evlist__add_default_attrs(evlist, array) \
83 __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
85 int perf_evlist__add_dummy(struct perf_evlist
*evlist
);
87 int perf_evlist__add_newtp(struct perf_evlist
*evlist
,
88 const char *sys
, const char *name
, void *handler
);
90 void __perf_evlist__set_sample_bit(struct perf_evlist
*evlist
,
91 enum perf_event_sample_format bit
);
92 void __perf_evlist__reset_sample_bit(struct perf_evlist
*evlist
,
93 enum perf_event_sample_format bit
);
95 #define perf_evlist__set_sample_bit(evlist, bit) \
96 __perf_evlist__set_sample_bit(evlist, PERF_SAMPLE_##bit)
98 #define perf_evlist__reset_sample_bit(evlist, bit) \
99 __perf_evlist__reset_sample_bit(evlist, PERF_SAMPLE_##bit)
101 int perf_evlist__set_tp_filter(struct perf_evlist
*evlist
, const char *filter
);
102 int perf_evlist__set_tp_filter_pid(struct perf_evlist
*evlist
, pid_t pid
);
103 int perf_evlist__set_tp_filter_pids(struct perf_evlist
*evlist
, size_t npids
, pid_t
*pids
);
106 perf_evlist__find_tracepoint_by_id(struct perf_evlist
*evlist
, int id
);
109 perf_evlist__find_tracepoint_by_name(struct perf_evlist
*evlist
,
112 void perf_evlist__id_add(struct perf_evlist
*evlist
, struct perf_evsel
*evsel
,
113 int cpu
, int thread
, u64 id
);
114 int perf_evlist__id_add_fd(struct perf_evlist
*evlist
,
115 struct perf_evsel
*evsel
,
116 int cpu
, int thread
, int fd
);
118 int perf_evlist__add_pollfd(struct perf_evlist
*evlist
, int fd
);
119 int perf_evlist__alloc_pollfd(struct perf_evlist
*evlist
);
120 int perf_evlist__filter_pollfd(struct perf_evlist
*evlist
, short revents_and_mask
);
122 int perf_evlist__poll(struct perf_evlist
*evlist
, int timeout
);
124 struct perf_evsel
*perf_evlist__id2evsel(struct perf_evlist
*evlist
, u64 id
);
125 struct perf_evsel
*perf_evlist__id2evsel_strict(struct perf_evlist
*evlist
,
128 struct perf_sample_id
*perf_evlist__id2sid(struct perf_evlist
*evlist
, u64 id
);
130 void perf_evlist__toggle_bkw_mmap(struct perf_evlist
*evlist
, enum bkw_mmap_state state
);
132 void perf_evlist__mmap_consume(struct perf_evlist
*evlist
, int idx
);
134 int perf_evlist__open(struct perf_evlist
*evlist
);
135 void perf_evlist__close(struct perf_evlist
*evlist
);
137 struct callchain_param
;
139 void perf_evlist__set_id_pos(struct perf_evlist
*evlist
);
140 bool perf_can_sample_identifier(void);
141 bool perf_can_record_switch_events(void);
142 bool perf_can_record_cpu_wide(void);
143 void perf_evlist__config(struct perf_evlist
*evlist
, struct record_opts
*opts
,
144 struct callchain_param
*callchain
);
145 int record_opts__config(struct record_opts
*opts
);
147 int perf_evlist__prepare_workload(struct perf_evlist
*evlist
,
148 struct target
*target
,
149 const char *argv
[], bool pipe_output
,
150 void (*exec_error
)(int signo
, siginfo_t
*info
,
152 int perf_evlist__start_workload(struct perf_evlist
*evlist
);
156 int __perf_evlist__parse_mmap_pages(unsigned int *mmap_pages
, const char *str
);
157 int perf_evlist__parse_mmap_pages(const struct option
*opt
,
161 unsigned long perf_event_mlock_kb_in_pages(void);
163 int perf_evlist__mmap_ex(struct perf_evlist
*evlist
, unsigned int pages
,
164 unsigned int auxtrace_pages
,
165 bool auxtrace_overwrite
, int nr_cblocks
);
166 int perf_evlist__mmap(struct perf_evlist
*evlist
, unsigned int pages
);
167 void perf_evlist__munmap(struct perf_evlist
*evlist
);
169 size_t perf_evlist__mmap_size(unsigned long pages
);
171 void perf_evlist__disable(struct perf_evlist
*evlist
);
172 void perf_evlist__enable(struct perf_evlist
*evlist
);
173 void perf_evlist__toggle_enable(struct perf_evlist
*evlist
);
175 int perf_evlist__enable_event_idx(struct perf_evlist
*evlist
,
176 struct perf_evsel
*evsel
, int idx
);
178 void perf_evlist__set_selected(struct perf_evlist
*evlist
,
179 struct perf_evsel
*evsel
);
181 void perf_evlist__set_maps(struct perf_evlist
*evlist
, struct cpu_map
*cpus
,
182 struct thread_map
*threads
);
183 int perf_evlist__create_maps(struct perf_evlist
*evlist
, struct target
*target
);
184 int perf_evlist__apply_filters(struct perf_evlist
*evlist
, struct perf_evsel
**err_evsel
);
186 void __perf_evlist__set_leader(struct list_head
*list
);
187 void perf_evlist__set_leader(struct perf_evlist
*evlist
);
189 u64
perf_evlist__read_format(struct perf_evlist
*evlist
);
190 u64
__perf_evlist__combined_sample_type(struct perf_evlist
*evlist
);
191 u64
perf_evlist__combined_sample_type(struct perf_evlist
*evlist
);
192 u64
perf_evlist__combined_branch_type(struct perf_evlist
*evlist
);
193 bool perf_evlist__sample_id_all(struct perf_evlist
*evlist
);
194 u16
perf_evlist__id_hdr_size(struct perf_evlist
*evlist
);
196 int perf_evlist__parse_sample(struct perf_evlist
*evlist
, union perf_event
*event
,
197 struct perf_sample
*sample
);
199 int perf_evlist__parse_sample_timestamp(struct perf_evlist
*evlist
,
200 union perf_event
*event
,
203 bool perf_evlist__valid_sample_type(struct perf_evlist
*evlist
);
204 bool perf_evlist__valid_sample_id_all(struct perf_evlist
*evlist
);
205 bool perf_evlist__valid_read_format(struct perf_evlist
*evlist
);
207 void perf_evlist__splice_list_tail(struct perf_evlist
*evlist
,
208 struct list_head
*list
);
210 static inline bool perf_evlist__empty(struct perf_evlist
*evlist
)
212 return list_empty(&evlist
->entries
);
215 static inline struct perf_evsel
*perf_evlist__first(struct perf_evlist
*evlist
)
217 return list_entry(evlist
->entries
.next
, struct perf_evsel
, node
);
220 static inline struct perf_evsel
*perf_evlist__last(struct perf_evlist
*evlist
)
222 return list_entry(evlist
->entries
.prev
, struct perf_evsel
, node
);
225 size_t perf_evlist__fprintf(struct perf_evlist
*evlist
, FILE *fp
);
227 int perf_evlist__strerror_open(struct perf_evlist
*evlist
, int err
, char *buf
, size_t size
);
228 int perf_evlist__strerror_mmap(struct perf_evlist
*evlist
, int err
, char *buf
, size_t size
);
230 bool perf_evlist__can_select_event(struct perf_evlist
*evlist
, const char *str
);
231 void perf_evlist__to_front(struct perf_evlist
*evlist
,
232 struct perf_evsel
*move_evsel
);
235 * __evlist__for_each_entry - iterate thru all the evsels
236 * @list: list_head instance to iterate
237 * @evsel: struct evsel iterator
239 #define __evlist__for_each_entry(list, evsel) \
240 list_for_each_entry(evsel, list, node)
243 * evlist__for_each_entry - iterate thru all the evsels
244 * @evlist: evlist instance to iterate
245 * @evsel: struct evsel iterator
247 #define evlist__for_each_entry(evlist, evsel) \
248 __evlist__for_each_entry(&(evlist)->entries, evsel)
251 * __evlist__for_each_entry_continue - continue iteration thru all the evsels
252 * @list: list_head instance to iterate
253 * @evsel: struct evsel iterator
255 #define __evlist__for_each_entry_continue(list, evsel) \
256 list_for_each_entry_continue(evsel, list, node)
259 * evlist__for_each_entry_continue - continue iteration thru all the evsels
260 * @evlist: evlist instance to iterate
261 * @evsel: struct evsel iterator
263 #define evlist__for_each_entry_continue(evlist, evsel) \
264 __evlist__for_each_entry_continue(&(evlist)->entries, evsel)
267 * __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
268 * @list: list_head instance to iterate
269 * @evsel: struct evsel iterator
271 #define __evlist__for_each_entry_reverse(list, evsel) \
272 list_for_each_entry_reverse(evsel, list, node)
275 * evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
276 * @evlist: evlist instance to iterate
277 * @evsel: struct evsel iterator
279 #define evlist__for_each_entry_reverse(evlist, evsel) \
280 __evlist__for_each_entry_reverse(&(evlist)->entries, evsel)
283 * __evlist__for_each_entry_safe - safely iterate thru all the evsels
284 * @list: list_head instance to iterate
285 * @tmp: struct evsel temp iterator
286 * @evsel: struct evsel iterator
288 #define __evlist__for_each_entry_safe(list, tmp, evsel) \
289 list_for_each_entry_safe(evsel, tmp, list, node)
292 * evlist__for_each_entry_safe - safely iterate thru all the evsels
293 * @evlist: evlist instance to iterate
294 * @evsel: struct evsel iterator
295 * @tmp: struct evsel temp iterator
297 #define evlist__for_each_entry_safe(evlist, tmp, evsel) \
298 __evlist__for_each_entry_safe(&(evlist)->entries, tmp, evsel)
300 void perf_evlist__set_tracking_event(struct perf_evlist
*evlist
,
301 struct perf_evsel
*tracking_evsel
);
303 void perf_event_attr__set_max_precise_ip(struct perf_event_attr
*attr
);
306 perf_evlist__find_evsel_by_str(struct perf_evlist
*evlist
, const char *str
);
308 struct perf_evsel
*perf_evlist__event2evsel(struct perf_evlist
*evlist
,
309 union perf_event
*event
);
311 bool perf_evlist__exclude_kernel(struct perf_evlist
*evlist
);
313 void perf_evlist__force_leader(struct perf_evlist
*evlist
);
315 struct perf_evsel
*perf_evlist__reset_weak_group(struct perf_evlist
*evlist
,
316 struct perf_evsel
*evsel
);
318 #endif /* __PERF_EVLIST_H */