xref: /openbmc/linux/tools/perf/util/evlist.h (revision 261a9af6)
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 
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 u64 perf_evlist__sample_type(const struct perf_evlist *evlist);
70 bool perf_evlist__sample_id_all(const const struct perf_evlist *evlist);
71 
72 bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist);
73 bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist);
74 #endif /* __PERF_EVLIST_H */
75