1 #ifndef __PERF_EVLIST_H
2 #define __PERF_EVLIST_H 1
4 #include <linux/list.h>
5 #include <api/fd/array.h>
18 #define PERF_EVLIST__HLIST_BITS 8
19 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
22 * struct perf_mmap - perf's ring buffer mmap details
24 * @refcnt - e.g. code using PERF_EVENT_IOC_SET_OUTPUT to share this
31 char event_copy
[PERF_SAMPLE_MAX_SIZE
] __attribute__((aligned(8)));
35 struct list_head entries
;
36 struct hlist_head heads
[PERF_EVLIST__HLIST_SIZE
];
43 u64 combined_sample_type
;
49 struct fdarray pollfd
;
50 struct perf_mmap
*mmap
;
51 struct thread_map
*threads
;
53 struct perf_evsel
*selected
;
56 struct perf_evsel_str_handler
{
61 struct perf_evlist
*perf_evlist__new(void);
62 struct perf_evlist
*perf_evlist__new_default(void);
63 void perf_evlist__init(struct perf_evlist
*evlist
, struct cpu_map
*cpus
,
64 struct thread_map
*threads
);
65 void perf_evlist__exit(struct perf_evlist
*evlist
);
66 void perf_evlist__delete(struct perf_evlist
*evlist
);
68 void perf_evlist__add(struct perf_evlist
*evlist
, struct perf_evsel
*entry
);
69 int perf_evlist__add_default(struct perf_evlist
*evlist
);
70 int __perf_evlist__add_default_attrs(struct perf_evlist
*evlist
,
71 struct perf_event_attr
*attrs
, size_t nr_attrs
);
73 #define perf_evlist__add_default_attrs(evlist, array) \
74 __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
76 int perf_evlist__add_newtp(struct perf_evlist
*evlist
,
77 const char *sys
, const char *name
, void *handler
);
79 int perf_evlist__set_filter(struct perf_evlist
*evlist
, const char *filter
);
82 perf_evlist__find_tracepoint_by_id(struct perf_evlist
*evlist
, int id
);
85 perf_evlist__find_tracepoint_by_name(struct perf_evlist
*evlist
,
88 void perf_evlist__id_add(struct perf_evlist
*evlist
, struct perf_evsel
*evsel
,
89 int cpu
, int thread
, u64 id
);
91 int perf_evlist__add_pollfd(struct perf_evlist
*evlist
, int fd
);
92 int perf_evlist__alloc_pollfd(struct perf_evlist
*evlist
);
93 int perf_evlist__filter_pollfd(struct perf_evlist
*evlist
, short revents_and_mask
);
95 int perf_evlist__poll(struct perf_evlist
*evlist
, int timeout
);
97 struct perf_evsel
*perf_evlist__id2evsel(struct perf_evlist
*evlist
, u64 id
);
99 struct perf_sample_id
*perf_evlist__id2sid(struct perf_evlist
*evlist
, u64 id
);
101 union perf_event
*perf_evlist__mmap_read(struct perf_evlist
*evlist
, int idx
);
103 void perf_evlist__mmap_consume(struct perf_evlist
*evlist
, int idx
);
105 int perf_evlist__open(struct perf_evlist
*evlist
);
106 void perf_evlist__close(struct perf_evlist
*evlist
);
108 void perf_evlist__set_id_pos(struct perf_evlist
*evlist
);
109 bool perf_can_sample_identifier(void);
110 void perf_evlist__config(struct perf_evlist
*evlist
, struct record_opts
*opts
);
111 int record_opts__config(struct record_opts
*opts
);
113 int perf_evlist__prepare_workload(struct perf_evlist
*evlist
,
114 struct target
*target
,
115 const char *argv
[], bool pipe_output
,
116 void (*exec_error
)(int signo
, siginfo_t
*info
,
118 int perf_evlist__start_workload(struct perf_evlist
*evlist
);
122 int perf_evlist__parse_mmap_pages(const struct option
*opt
,
126 int perf_evlist__mmap(struct perf_evlist
*evlist
, unsigned int pages
,
128 void perf_evlist__munmap(struct perf_evlist
*evlist
);
130 void perf_evlist__disable(struct perf_evlist
*evlist
);
131 void perf_evlist__enable(struct perf_evlist
*evlist
);
133 int perf_evlist__disable_event(struct perf_evlist
*evlist
,
134 struct perf_evsel
*evsel
);
135 int perf_evlist__enable_event(struct perf_evlist
*evlist
,
136 struct perf_evsel
*evsel
);
137 int perf_evlist__enable_event_idx(struct perf_evlist
*evlist
,
138 struct perf_evsel
*evsel
, int idx
);
140 void perf_evlist__set_selected(struct perf_evlist
*evlist
,
141 struct perf_evsel
*evsel
);
143 static inline void perf_evlist__set_maps(struct perf_evlist
*evlist
,
144 struct cpu_map
*cpus
,
145 struct thread_map
*threads
)
148 evlist
->threads
= threads
;
151 int perf_evlist__create_maps(struct perf_evlist
*evlist
, struct target
*target
);
152 int perf_evlist__apply_filters(struct perf_evlist
*evlist
);
154 void __perf_evlist__set_leader(struct list_head
*list
);
155 void perf_evlist__set_leader(struct perf_evlist
*evlist
);
157 u64
perf_evlist__read_format(struct perf_evlist
*evlist
);
158 u64
__perf_evlist__combined_sample_type(struct perf_evlist
*evlist
);
159 u64
perf_evlist__combined_sample_type(struct perf_evlist
*evlist
);
160 bool perf_evlist__sample_id_all(struct perf_evlist
*evlist
);
161 u16
perf_evlist__id_hdr_size(struct perf_evlist
*evlist
);
163 int perf_evlist__parse_sample(struct perf_evlist
*evlist
, union perf_event
*event
,
164 struct perf_sample
*sample
);
166 bool perf_evlist__valid_sample_type(struct perf_evlist
*evlist
);
167 bool perf_evlist__valid_sample_id_all(struct perf_evlist
*evlist
);
168 bool perf_evlist__valid_read_format(struct perf_evlist
*evlist
);
170 void perf_evlist__splice_list_tail(struct perf_evlist
*evlist
,
171 struct list_head
*list
,
174 static inline struct perf_evsel
*perf_evlist__first(struct perf_evlist
*evlist
)
176 return list_entry(evlist
->entries
.next
, struct perf_evsel
, node
);
179 static inline struct perf_evsel
*perf_evlist__last(struct perf_evlist
*evlist
)
181 return list_entry(evlist
->entries
.prev
, struct perf_evsel
, node
);
184 size_t perf_evlist__fprintf(struct perf_evlist
*evlist
, FILE *fp
);
186 int perf_evlist__strerror_open(struct perf_evlist
*evlist
, int err
, char *buf
, size_t size
);
187 int perf_evlist__strerror_mmap(struct perf_evlist
*evlist
, int err
, char *buf
, size_t size
);
189 static inline unsigned int perf_mmap__read_head(struct perf_mmap
*mm
)
191 struct perf_event_mmap_page
*pc
= mm
->base
;
192 int head
= ACCESS_ONCE(pc
->data_head
);
197 static inline void perf_mmap__write_tail(struct perf_mmap
*md
,
200 struct perf_event_mmap_page
*pc
= md
->base
;
203 * ensure all reads are done before we write the tail out.
206 pc
->data_tail
= tail
;
209 bool perf_evlist__can_select_event(struct perf_evlist
*evlist
, const char *str
);
210 void perf_evlist__to_front(struct perf_evlist
*evlist
,
211 struct perf_evsel
*move_evsel
);
214 * __evlist__for_each - iterate thru all the evsels
215 * @list: list_head instance to iterate
216 * @evsel: struct evsel iterator
218 #define __evlist__for_each(list, evsel) \
219 list_for_each_entry(evsel, list, node)
222 * evlist__for_each - iterate thru all the evsels
223 * @evlist: evlist instance to iterate
224 * @evsel: struct evsel iterator
226 #define evlist__for_each(evlist, evsel) \
227 __evlist__for_each(&(evlist)->entries, evsel)
230 * __evlist__for_each_continue - continue iteration thru all the evsels
231 * @list: list_head instance to iterate
232 * @evsel: struct evsel iterator
234 #define __evlist__for_each_continue(list, evsel) \
235 list_for_each_entry_continue(evsel, list, node)
238 * evlist__for_each_continue - continue iteration thru all the evsels
239 * @evlist: evlist instance to iterate
240 * @evsel: struct evsel iterator
242 #define evlist__for_each_continue(evlist, evsel) \
243 __evlist__for_each_continue(&(evlist)->entries, evsel)
246 * __evlist__for_each_reverse - iterate thru all the evsels in reverse order
247 * @list: list_head instance to iterate
248 * @evsel: struct evsel iterator
250 #define __evlist__for_each_reverse(list, evsel) \
251 list_for_each_entry_reverse(evsel, list, node)
254 * evlist__for_each_reverse - iterate thru all the evsels in reverse order
255 * @evlist: evlist instance to iterate
256 * @evsel: struct evsel iterator
258 #define evlist__for_each_reverse(evlist, evsel) \
259 __evlist__for_each_reverse(&(evlist)->entries, evsel)
262 * __evlist__for_each_safe - safely iterate thru all the evsels
263 * @list: list_head instance to iterate
264 * @tmp: struct evsel temp iterator
265 * @evsel: struct evsel iterator
267 #define __evlist__for_each_safe(list, tmp, evsel) \
268 list_for_each_entry_safe(evsel, tmp, list, node)
271 * evlist__for_each_safe - safely iterate thru all the evsels
272 * @evlist: evlist instance to iterate
273 * @evsel: struct evsel iterator
274 * @tmp: struct evsel temp iterator
276 #define evlist__for_each_safe(evlist, tmp, evsel) \
277 __evlist__for_each_safe(&(evlist)->entries, tmp, evsel)
279 void perf_evlist__set_tracking_event(struct perf_evlist
*evlist
,
280 struct perf_evsel
*tracking_evsel
);
282 #endif /* __PERF_EVLIST_H */
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