tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef __PERF_EVLIST_H
2#define __PERF_EVLIST_H 1
3
4#include <linux/list.h>
5#include <stdio.h>
6#include "../perf.h"
7#include "event.h"
8#include "util.h"
9#include <unistd.h>
10
11struct pollfd;
12struct thread_map;
13struct cpu_map;
14struct perf_record_opts;
15
16#define PERF_EVLIST__HLIST_BITS 8
17#define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
18
19struct perf_evlist {
20 struct list_head entries;
21 struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
22 int nr_entries;
23 int nr_fds;
24 int nr_mmaps;
25 int mmap_len;
26 struct {
27 int cork_fd;
28 pid_t pid;
29 } workload;
30 bool overwrite;
31 union perf_event event_copy;
32 struct perf_mmap *mmap;
33 struct pollfd *pollfd;
34 struct thread_map *threads;
35 struct cpu_map *cpus;
36 struct perf_evsel *selected;
37};
38
39struct perf_evsel_str_handler {
40 const char *name;
41 void *handler;
42};
43
44struct perf_evsel;
45
46struct perf_evlist *perf_evlist__new(struct cpu_map *cpus,
47 struct thread_map *threads);
48void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
49 struct thread_map *threads);
50void perf_evlist__exit(struct perf_evlist *evlist);
51void perf_evlist__delete(struct perf_evlist *evlist);
52
53void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
54int perf_evlist__add_default(struct perf_evlist *evlist);
55int perf_evlist__add_attrs(struct perf_evlist *evlist,
56 struct perf_event_attr *attrs, size_t nr_attrs);
57int perf_evlist__add_tracepoints(struct perf_evlist *evlist,
58 const char *tracepoints[], size_t nr_tracepoints);
59int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist,
60 const struct perf_evsel_str_handler *assocs,
61 size_t nr_assocs);
62
63#define perf_evlist__add_attrs_array(evlist, array) \
64 perf_evlist__add_attrs(evlist, array, ARRAY_SIZE(array))
65
66#define perf_evlist__add_tracepoints_array(evlist, array) \
67 perf_evlist__add_tracepoints(evlist, array, ARRAY_SIZE(array))
68
69#define perf_evlist__set_tracepoints_handlers_array(evlist, array) \
70 perf_evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array))
71
72void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
73 int cpu, int thread, u64 id);
74
75void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
76
77struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
78
79union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);
80
81int perf_evlist__open(struct perf_evlist *evlist, bool group);
82
83void perf_evlist__config_attrs(struct perf_evlist *evlist,
84 struct perf_record_opts *opts);
85
86int perf_evlist__prepare_workload(struct perf_evlist *evlist,
87 struct perf_record_opts *opts,
88 const char *argv[]);
89int perf_evlist__start_workload(struct perf_evlist *evlist);
90
91int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
92 bool overwrite);
93void perf_evlist__munmap(struct perf_evlist *evlist);
94
95void perf_evlist__disable(struct perf_evlist *evlist);
96void perf_evlist__enable(struct perf_evlist *evlist);
97
98void perf_evlist__set_selected(struct perf_evlist *evlist,
99 struct perf_evsel *evsel);
100
101static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
102 struct cpu_map *cpus,
103 struct thread_map *threads)
104{
105 evlist->cpus = cpus;
106 evlist->threads = threads;
107}
108
109int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid,
110 pid_t target_tid, const char *cpu_list);
111void perf_evlist__delete_maps(struct perf_evlist *evlist);
112int perf_evlist__set_filters(struct perf_evlist *evlist);
113
114u64 perf_evlist__sample_type(const struct perf_evlist *evlist);
115bool perf_evlist__sample_id_all(const const struct perf_evlist *evlist);
116u16 perf_evlist__id_hdr_size(const struct perf_evlist *evlist);
117
118bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist);
119bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist);
120#endif /* __PERF_EVLIST_H */