1 #ifndef __PERF_EVLIST_H
2 #define __PERF_EVLIST_H 1
3
4 #include <linux/list.h>
5 #include "../perf.h"
6 #include "event.h"
7
8 struct pollfd;
9 struct thread_map;
10 struct cpu_map;
11
12 #define PERF_EVLIST__HLIST_BITS 8
13 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
14
15 struct perf_evlist {
16 struct list_head entries;
17 struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
18 int nr_entries;
19 int nr_fds;
20 int nr_mmaps;
21 int mmap_len;
22 bool overwrite;
23 union perf_event event_copy;
24 struct perf_mmap *mmap;
25 struct pollfd *pollfd;
26 struct thread_map *threads;
27 struct cpu_map *cpus;
28 };
29
30 struct perf_evsel;
31
32 struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
33 struct thread_map *threads);
34 void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
35 struct thread_map *threads);
36 void perf_evlist__exit(struct perf_evlist *evlist);
37 void perf_evlist__delete(struct perf_evlist *evlist);
38
39 void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
40 int perf_evlist__add_default(struct perf_evlist *evlist);
41
42 void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
43 int cpu, int thread, u64 id);
44
45 int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
46 void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
47
48 struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
49
50 union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);
51
52 int perf_evlist__alloc_mmap(struct perf_evlist *evlist);
53 int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite);
54 void perf_evlist__munmap(struct perf_evlist *evlist);
55
perf_evlist__set_maps(struct perf_evlist * evlist,struct cpu_map * cpus,struct thread_map * threads)56 static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
57 struct cpu_map *cpus,
58 struct thread_map *threads)
59 {
60 evlist->cpus = cpus;
61 evlist->threads = threads;
62 }
63
64 int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid,
65 pid_t target_tid, const char *cpu_list);
66 void perf_evlist__delete_maps(struct perf_evlist *evlist);
67 int perf_evlist__set_filters(struct perf_evlist *evlist);
68
69 #endif /* __PERF_EVLIST_H */
70