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 char event_copy[PERF_SAMPLE_MAX_SIZE];
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 struct perf_evlist *perf_evlist__new_default(void);
57 void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus,
58 struct thread_map *threads);
59 void perf_evlist__exit(struct perf_evlist *evlist);
60 void perf_evlist__delete(struct perf_evlist *evlist);
62 void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry);
63 int perf_evlist__add_default(struct perf_evlist *evlist);
64 int __perf_evlist__add_default_attrs(struct perf_evlist *evlist,
65 struct perf_event_attr *attrs, size_t nr_attrs);
67 #define perf_evlist__add_default_attrs(evlist, array) \
68 __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array))
70 int perf_evlist__add_newtp(struct perf_evlist *evlist,
71 const char *sys, const char *name, void *handler);
73 int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter);
76 perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id);
79 perf_evlist__find_tracepoint_by_name(struct perf_evlist *evlist,
82 void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel,
83 int cpu, int thread, u64 id);
85 void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd);
87 struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id);
89 struct perf_sample_id *perf_evlist__id2sid(struct perf_evlist *evlist, u64 id);
91 union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int idx);
93 void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx);
95 int perf_evlist__open(struct perf_evlist *evlist);
96 void perf_evlist__close(struct perf_evlist *evlist);
98 void perf_evlist__set_id_pos(struct perf_evlist *evlist);
99 bool perf_can_sample_identifier(void);
100 void perf_evlist__config(struct perf_evlist *evlist,
101 struct perf_record_opts *opts);
102 int perf_record_opts__config(struct perf_record_opts *opts);
104 int perf_evlist__prepare_workload(struct perf_evlist *evlist,
105 struct target *target,
106 const char *argv[], bool pipe_output,
108 int perf_evlist__start_workload(struct perf_evlist *evlist);
110 int perf_evlist__parse_mmap_pages(const struct option *opt,
114 int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages,
116 void perf_evlist__munmap(struct perf_evlist *evlist);
118 void perf_evlist__disable(struct perf_evlist *evlist);
119 void perf_evlist__enable(struct perf_evlist *evlist);
121 int perf_evlist__disable_event(struct perf_evlist *evlist,
122 struct perf_evsel *evsel);
123 int perf_evlist__enable_event(struct perf_evlist *evlist,
124 struct perf_evsel *evsel);
126 void perf_evlist__set_selected(struct perf_evlist *evlist,
127 struct perf_evsel *evsel);
129 static inline void perf_evlist__set_maps(struct perf_evlist *evlist,
130 struct cpu_map *cpus,
131 struct thread_map *threads)
134 evlist->threads = threads;
137 int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target);
138 void perf_evlist__delete_maps(struct perf_evlist *evlist);
139 int perf_evlist__apply_filters(struct perf_evlist *evlist);
141 void __perf_evlist__set_leader(struct list_head *list);
142 void perf_evlist__set_leader(struct perf_evlist *evlist);
144 u64 perf_evlist__read_format(struct perf_evlist *evlist);
145 u64 __perf_evlist__combined_sample_type(struct perf_evlist *evlist);
146 u64 perf_evlist__combined_sample_type(struct perf_evlist *evlist);
147 bool perf_evlist__sample_id_all(struct perf_evlist *evlist);
148 u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist);
150 int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event,
151 struct perf_sample *sample);
153 bool perf_evlist__valid_sample_type(struct perf_evlist *evlist);
154 bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist);
155 bool perf_evlist__valid_read_format(struct perf_evlist *evlist);
157 void perf_evlist__splice_list_tail(struct perf_evlist *evlist,
158 struct list_head *list,
161 static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist)
163 return list_entry(evlist->entries.next, struct perf_evsel, node);
166 static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist)
168 return list_entry(evlist->entries.prev, struct perf_evsel, node);
171 size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp);
173 int perf_evlist__strerror_tp(struct perf_evlist *evlist, int err, char *buf, size_t size);
174 int perf_evlist__strerror_open(struct perf_evlist *evlist, int err, char *buf, size_t size);
176 static inline unsigned int perf_mmap__read_head(struct perf_mmap *mm)
178 struct perf_event_mmap_page *pc = mm->base;
179 int head = ACCESS_ONCE(pc->data_head);
184 static inline void perf_mmap__write_tail(struct perf_mmap *md,
187 struct perf_event_mmap_page *pc = md->base;
190 * ensure all reads are done before we write the tail out.
193 pc->data_tail = tail;
196 bool perf_evlist__can_select_event(struct perf_evlist *evlist, const char *str);
197 void perf_evlist__to_front(struct perf_evlist *evlist,
198 struct perf_evsel *move_evsel);
201 #endif /* __PERF_EVLIST_H */