1 #ifndef __PERF_EVLIST_H
2 #define __PERF_EVLIST_H 1
4 #include <linux/atomic.h>
5 #include <linux/list.h>
6 #include <api/fd/array.h>
20 #define PERF_EVLIST__HLIST_BITS 8
21 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
24 * struct perf_mmap - perf's ring buffer mmap details
26 * @refcnt - e.g. code using PERF_EVENT_IOC_SET_OUTPUT to share this
34 struct auxtrace_mmap auxtrace_mmap
;
35 char event_copy
[PERF_SAMPLE_MAX_SIZE
] __attribute__((aligned(8)));
39 struct list_head entries
;
40 struct hlist_head heads
[PERF_EVLIST__HLIST_SIZE
];
51 u64 combined_sample_type
;
56 struct fdarray pollfd
;
57 struct perf_mmap
*mmap
;
58 struct thread_map
*threads
;
60 struct perf_evsel
*selected
;
61 struct events_stats stats
;
65 struct perf_evsel_str_handler
{
70 struct perf_evlist
*perf_evlist__new(void);
71 struct perf_evlist
*perf_evlist__new_default(void);
72 struct perf_evlist
*perf_evlist__new_dummy(void);
73 void perf_evlist__init(struct perf_evlist
*evlist
, struct cpu_map
*cpus
,
74 struct thread_map
*threads
);
75 void perf_evlist__exit(struct perf_evlist
*evlist
);
76 void perf_evlist__delete(struct perf_evlist
*evlist
);
78 void perf_evlist__add(struct perf_evlist
*evlist
, struct perf_evsel
*entry
);
79 void perf_evlist__remove(struct perf_evlist
*evlist
, struct perf_evsel
*evsel
);
80 int perf_evlist__add_default(struct perf_evlist
*evlist
);
81 int __perf_evlist__add_default_attrs(struct perf_evlist
*evlist
,
82 struct perf_event_attr
*attrs
, size_t nr_attrs
);
84 #define perf_evlist__add_default_attrs(evlist, array) \
85 __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
87 int perf_evlist__add_dummy(struct perf_evlist
*evlist
);
89 int perf_evlist__add_newtp(struct perf_evlist
*evlist
,
90 const char *sys
, const char *name
, void *handler
);
92 void __perf_evlist__set_sample_bit(struct perf_evlist
*evlist
,
93 enum perf_event_sample_format bit
);
94 void __perf_evlist__reset_sample_bit(struct perf_evlist
*evlist
,
95 enum perf_event_sample_format bit
);
97 #define perf_evlist__set_sample_bit(evlist, bit) \
98 __perf_evlist__set_sample_bit(evlist, PERF_SAMPLE_##bit)
100 #define perf_evlist__reset_sample_bit(evlist, bit) \
101 __perf_evlist__reset_sample_bit(evlist, PERF_SAMPLE_##bit)
103 int perf_evlist__set_filter(struct perf_evlist
*evlist
, const char *filter
);
104 int perf_evlist__set_filter_pid(struct perf_evlist
*evlist
, pid_t pid
);
105 int perf_evlist__set_filter_pids(struct perf_evlist
*evlist
, size_t npids
, pid_t
*pids
);
108 perf_evlist__find_tracepoint_by_id(struct perf_evlist
*evlist
, int id
);
111 perf_evlist__find_tracepoint_by_name(struct perf_evlist
*evlist
,
114 void perf_evlist__id_add(struct perf_evlist
*evlist
, struct perf_evsel
*evsel
,
115 int cpu
, int thread
, u64 id
);
116 int perf_evlist__id_add_fd(struct perf_evlist
*evlist
,
117 struct perf_evsel
*evsel
,
118 int cpu
, int thread
, int fd
);
120 int perf_evlist__add_pollfd(struct perf_evlist
*evlist
, int fd
);
121 int perf_evlist__alloc_pollfd(struct perf_evlist
*evlist
);
122 int perf_evlist__filter_pollfd(struct perf_evlist
*evlist
, short revents_and_mask
);
124 int perf_evlist__poll(struct perf_evlist
*evlist
, int timeout
);
126 struct perf_evsel
*perf_evlist__id2evsel(struct perf_evlist
*evlist
, u64 id
);
127 struct perf_evsel
*perf_evlist__id2evsel_strict(struct perf_evlist
*evlist
,
130 struct perf_sample_id
*perf_evlist__id2sid(struct perf_evlist
*evlist
, u64 id
);
132 union perf_event
*perf_evlist__mmap_read(struct perf_evlist
*evlist
, int idx
);
134 union perf_event
*perf_evlist__mmap_read_forward(struct perf_evlist
*evlist
,
136 union perf_event
*perf_evlist__mmap_read_backward(struct perf_evlist
*evlist
,
138 void perf_evlist__mmap_read_catchup(struct perf_evlist
*evlist
, int idx
);
140 void perf_evlist__mmap_consume(struct perf_evlist
*evlist
, int idx
);
142 int perf_evlist__pause(struct perf_evlist
*evlist
);
143 int perf_evlist__resume(struct perf_evlist
*evlist
);
144 int perf_evlist__open(struct perf_evlist
*evlist
);
145 void perf_evlist__close(struct perf_evlist
*evlist
);
147 struct callchain_param
;
149 void perf_evlist__set_id_pos(struct perf_evlist
*evlist
);
150 bool perf_can_sample_identifier(void);
151 bool perf_can_record_switch_events(void);
152 bool perf_can_record_cpu_wide(void);
153 void perf_evlist__config(struct perf_evlist
*evlist
, struct record_opts
*opts
,
154 struct callchain_param
*callchain
);
155 int record_opts__config(struct record_opts
*opts
);
157 int perf_evlist__prepare_workload(struct perf_evlist
*evlist
,
158 struct target
*target
,
159 const char *argv
[], bool pipe_output
,
160 void (*exec_error
)(int signo
, siginfo_t
*info
,
162 int perf_evlist__start_workload(struct perf_evlist
*evlist
);
166 int __perf_evlist__parse_mmap_pages(unsigned int *mmap_pages
, const char *str
);
167 int perf_evlist__parse_mmap_pages(const struct option
*opt
,
171 unsigned long perf_event_mlock_kb_in_pages(void);
173 int perf_evlist__mmap_ex(struct perf_evlist
*evlist
, unsigned int pages
,
174 bool overwrite
, unsigned int auxtrace_pages
,
175 bool auxtrace_overwrite
);
176 int perf_evlist__mmap(struct perf_evlist
*evlist
, unsigned int pages
,
178 void perf_evlist__munmap(struct perf_evlist
*evlist
);
180 void perf_evlist__disable(struct perf_evlist
*evlist
);
181 void perf_evlist__enable(struct perf_evlist
*evlist
);
182 void perf_evlist__toggle_enable(struct perf_evlist
*evlist
);
184 int perf_evlist__enable_event_idx(struct perf_evlist
*evlist
,
185 struct perf_evsel
*evsel
, int idx
);
187 void perf_evlist__set_selected(struct perf_evlist
*evlist
,
188 struct perf_evsel
*evsel
);
190 void perf_evlist__set_maps(struct perf_evlist
*evlist
, struct cpu_map
*cpus
,
191 struct thread_map
*threads
);
192 int perf_evlist__create_maps(struct perf_evlist
*evlist
, struct target
*target
);
193 int perf_evlist__apply_filters(struct perf_evlist
*evlist
, struct perf_evsel
**err_evsel
);
195 void __perf_evlist__set_leader(struct list_head
*list
);
196 void perf_evlist__set_leader(struct perf_evlist
*evlist
);
198 u64
perf_evlist__read_format(struct perf_evlist
*evlist
);
199 u64
__perf_evlist__combined_sample_type(struct perf_evlist
*evlist
);
200 u64
perf_evlist__combined_sample_type(struct perf_evlist
*evlist
);
201 u64
perf_evlist__combined_branch_type(struct perf_evlist
*evlist
);
202 bool perf_evlist__sample_id_all(struct perf_evlist
*evlist
);
203 u16
perf_evlist__id_hdr_size(struct perf_evlist
*evlist
);
205 int perf_evlist__parse_sample(struct perf_evlist
*evlist
, union perf_event
*event
,
206 struct perf_sample
*sample
);
208 bool perf_evlist__valid_sample_type(struct perf_evlist
*evlist
);
209 bool perf_evlist__valid_sample_id_all(struct perf_evlist
*evlist
);
210 bool perf_evlist__valid_read_format(struct perf_evlist
*evlist
);
212 void perf_evlist__splice_list_tail(struct perf_evlist
*evlist
,
213 struct list_head
*list
);
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 static inline u64
perf_mmap__read_head(struct perf_mmap
*mm
)
232 struct perf_event_mmap_page
*pc
= mm
->base
;
233 u64 head
= ACCESS_ONCE(pc
->data_head
);
238 static inline void perf_mmap__write_tail(struct perf_mmap
*md
, u64 tail
)
240 struct perf_event_mmap_page
*pc
= md
->base
;
243 * ensure all reads are done before we write the tail out.
246 pc
->data_tail
= tail
;
249 bool perf_evlist__can_select_event(struct perf_evlist
*evlist
, const char *str
);
250 void perf_evlist__to_front(struct perf_evlist
*evlist
,
251 struct perf_evsel
*move_evsel
);
254 * __evlist__for_each_entry - iterate thru all the evsels
255 * @list: list_head instance to iterate
256 * @evsel: struct evsel iterator
258 #define __evlist__for_each_entry(list, evsel) \
259 list_for_each_entry(evsel, list, node)
262 * evlist__for_each_entry - iterate thru all the evsels
263 * @evlist: evlist instance to iterate
264 * @evsel: struct evsel iterator
266 #define evlist__for_each_entry(evlist, evsel) \
267 __evlist__for_each_entry(&(evlist)->entries, evsel)
270 * __evlist__for_each_entry_continue - continue iteration thru all the evsels
271 * @list: list_head instance to iterate
272 * @evsel: struct evsel iterator
274 #define __evlist__for_each_entry_continue(list, evsel) \
275 list_for_each_entry_continue(evsel, list, node)
278 * evlist__for_each_entry_continue - continue iteration thru all the evsels
279 * @evlist: evlist instance to iterate
280 * @evsel: struct evsel iterator
282 #define evlist__for_each_entry_continue(evlist, evsel) \
283 __evlist__for_each_entry_continue(&(evlist)->entries, evsel)
286 * __evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
287 * @list: list_head instance to iterate
288 * @evsel: struct evsel iterator
290 #define __evlist__for_each_entry_reverse(list, evsel) \
291 list_for_each_entry_reverse(evsel, list, node)
294 * evlist__for_each_entry_reverse - iterate thru all the evsels in reverse order
295 * @evlist: evlist instance to iterate
296 * @evsel: struct evsel iterator
298 #define evlist__for_each_entry_reverse(evlist, evsel) \
299 __evlist__for_each_entry_reverse(&(evlist)->entries, evsel)
302 * __evlist__for_each_entry_safe - safely iterate thru all the evsels
303 * @list: list_head instance to iterate
304 * @tmp: struct evsel temp iterator
305 * @evsel: struct evsel iterator
307 #define __evlist__for_each_entry_safe(list, tmp, evsel) \
308 list_for_each_entry_safe(evsel, tmp, list, node)
311 * evlist__for_each_entry_safe - safely iterate thru all the evsels
312 * @evlist: evlist instance to iterate
313 * @evsel: struct evsel iterator
314 * @tmp: struct evsel temp iterator
316 #define evlist__for_each_entry_safe(evlist, tmp, evsel) \
317 __evlist__for_each_entry_safe(&(evlist)->entries, tmp, evsel)
319 void perf_evlist__set_tracking_event(struct perf_evlist
*evlist
,
320 struct perf_evsel
*tracking_evsel
);
322 void perf_event_attr__set_max_precise_ip(struct perf_event_attr
*attr
);
325 perf_evlist__find_evsel_by_str(struct perf_evlist
*evlist
, const char *str
);
327 struct perf_evsel
*perf_evlist__event2evsel(struct perf_evlist
*evlist
,
328 union perf_event
*event
);
329 #endif /* __PERF_EVLIST_H */