1 #ifndef __PERF_EVLIST_H
2 #define __PERF_EVLIST_H 1
4 #include <linux/list.h>
15 struct perf_record_opts;
17 #define PERF_EVLIST__HLIST_BITS 8
18 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS)
24 union perf_event event_copy;
28 struct list_head entries;
29 struct hlist_head heads[PERF_EVLIST__HLIST_SIZE];
37 u64 combined_sample_type;
43 struct perf_mmap *mmap;
44 struct pollfd *pollfd;
45 struct thread_map *threads;
47 struct perf_evsel *selected;
50 struct perf_evsel_str_handler {
55 struct perf_evlist *perf_evlist__new(void);
56 void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
57 struct thread_map *threads);
58 void perf_evlist__exit(struct perf_evlist *evlist);
59 void perf_evlist__delete(struct perf_evlist *evlist);
61 void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
62 int perf_evlist__add_default(struct perf_evlist *evlist);
63 int __perf_evlist__add_default_attrs(struct perf_evlist *evlist,
64 struct perf_event_attr *attrs, size_t nr_attrs);
66 #define perf_evlist__add_default_attrs(evlist, array) \
67 __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
69 int perf_evlist__add_newtp(struct perf_evlist *evlist,
70 const char *sys, const char *name, void *handler);
72 int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter);
75 perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id);
78 perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist,
81 void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
82 int cpu, int thread, u64 id);
84 void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
86 struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
88 struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id);
90 union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx);
92 int perf_evlist__open(struct perf_evlist *evlist);
93 void perf_evlist__close(struct perf_evlist *evlist);
95 void perf_evlist__set_id_pos(struct perf_evlist *evlist);
96 bool perf_can_sample_identifier(void);
97 void perf_evlist__config(struct perf_evlist *evlist,
98 struct perf_record_opts *opts);
100 int perf_evlist__prepare_workload(struct perf_evlist *evlist,
101 struct perf_target *target,
102 const char *argv[], bool pipe_output,
104 int perf_evlist__start_workload(struct perf_evlist *evlist);
106 int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
108 void perf_evlist__munmap(struct perf_evlist *evlist);
110 void perf_evlist__disable(struct perf_evlist *evlist);
111 void perf_evlist__enable(struct perf_evlist *evlist);
113 int perf_evlist__disable_event(struct perf_evlist *evlist,
114 struct perf_evsel *evsel);
115 int perf_evlist__enable_event(struct perf_evlist *evlist,
116 struct perf_evsel *evsel);
118 void perf_evlist__set_selected(struct perf_evlist *evlist,
119 struct perf_evsel *evsel);
121 static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
122 struct cpu_map *cpus,
123 struct thread_map *threads)
126 evlist->threads = threads;
129 int perf_evlist__create_maps(struct perf_evlist *evlist,
130 struct perf_target *target);
131 void perf_evlist__delete_maps(struct perf_evlist *evlist);
132 int perf_evlist__apply_filters(struct perf_evlist *evlist);
134 void __perf_evlist__set_leader(struct list_head *list);
135 void perf_evlist__set_leader(struct perf_evlist *evlist);
137 u64 perf_evlist__read_format(struct perf_evlist *evlist);
138 u64 __perf_evlist__combined_sample_type(struct perf_evlist *evlist);
139 u64 perf_evlist__combined_sample_type(struct perf_evlist *evlist);
140 bool perf_evlist__sample_id_all(struct perf_evlist *evlist);
141 u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist);
143 int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event,
144 struct perf_sample *sample);
146 bool perf_evlist__valid_sample_type(struct perf_evlist *evlist);
147 bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist);
148 bool perf_evlist__valid_read_format(struct perf_evlist *evlist);
150 void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
151 struct list_head *list,
154 static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)
156 return list_entry(evlist->entries.next, struct perf_evsel, node);
159 static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
161 return list_entry(evlist->entries.prev, struct perf_evsel, node);
164 size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp);
166 static inline unsigned int perf_mmap__read_head(struct perf_mmap *mm)
168 struct perf_event_mmap_page *pc = mm->base;
169 int head = pc->data_head;
174 static inline void perf_mmap__write_tail(struct perf_mmap *md,
177 struct perf_event_mmap_page *pc = md->base;
180 * ensure all reads are done before we write the tail out.
183 pc->data_tail = tail;
186 #endif /* __PERF_EVLIST_H */