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 11 struct pollfd; 12 struct thread_map; 13 struct cpu_map; 14 struct perf_record_opts; 15 16 #define PERF_EVLIST__HLIST_BITS 8 17 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS) 18 19 struct 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 39 struct perf_evsel_str_handler { 40 const char *name; 41 void *handler; 42 }; 43 44 struct perf_evsel; 45 46 struct perf_evlist *perf_evlist__new(struct cpu_map *cpus, 47 struct thread_map *threads); 48 void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus, 49 struct thread_map *threads); 50 void perf_evlist__exit(struct perf_evlist *evlist); 51 void perf_evlist__delete(struct perf_evlist *evlist); 52 53 void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry); 54 int perf_evlist__add_default(struct perf_evlist *evlist); 55 int perf_evlist__add_attrs(struct perf_evlist *evlist, 56 struct perf_event_attr *attrs, size_t nr_attrs); 57 int __perf_evlist__add_default_attrs(struct perf_evlist *evlist, 58 struct perf_event_attr *attrs, size_t nr_attrs); 59 int perf_evlist__add_tracepoints(struct perf_evlist *evlist, 60 const char *tracepoints[], size_t nr_tracepoints); 61 int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist, 62 const struct perf_evsel_str_handler *assocs, 63 size_t nr_assocs); 64 65 #define perf_evlist__add_attrs_array(evlist, array) \ 66 perf_evlist__add_attrs(evlist, array, ARRAY_SIZE(array)) 67 #define perf_evlist__add_default_attrs(evlist, array) \ 68 __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array)) 69 70 #define perf_evlist__add_tracepoints_array(evlist, array) \ 71 perf_evlist__add_tracepoints(evlist, array, ARRAY_SIZE(array)) 72 73 #define perf_evlist__set_tracepoints_handlers_array(evlist, array) \ 74 perf_evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array)) 75 76 struct perf_evsel * 77 perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id); 78 79 void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel, 80 int cpu, int thread, u64 id); 81 82 void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd); 83 84 struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); 85 86 union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx); 87 88 int perf_evlist__open(struct perf_evlist *evlist, bool group); 89 90 void perf_evlist__config_attrs(struct perf_evlist *evlist, 91 struct perf_record_opts *opts); 92 93 int perf_evlist__prepare_workload(struct perf_evlist *evlist, 94 struct perf_record_opts *opts, 95 const char *argv[]); 96 int perf_evlist__start_workload(struct perf_evlist *evlist); 97 98 int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, 99 bool overwrite); 100 void perf_evlist__munmap(struct perf_evlist *evlist); 101 102 void perf_evlist__disable(struct perf_evlist *evlist); 103 void perf_evlist__enable(struct perf_evlist *evlist); 104 105 void perf_evlist__set_selected(struct perf_evlist *evlist, 106 struct perf_evsel *evsel); 107 108 static inline void perf_evlist__set_maps(struct perf_evlist *evlist, 109 struct cpu_map *cpus, 110 struct thread_map *threads) 111 { 112 evlist->cpus = cpus; 113 evlist->threads = threads; 114 } 115 116 int perf_evlist__create_maps(struct perf_evlist *evlist, 117 struct perf_target *target); 118 void perf_evlist__delete_maps(struct perf_evlist *evlist); 119 int perf_evlist__set_filters(struct perf_evlist *evlist); 120 121 u64 perf_evlist__sample_type(const struct perf_evlist *evlist); 122 bool perf_evlist__sample_id_all(const const struct perf_evlist *evlist); 123 u16 perf_evlist__id_hdr_size(const struct perf_evlist *evlist); 124 125 int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event, 126 struct perf_sample *sample, bool swapped); 127 128 bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist); 129 bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist); 130 131 void perf_evlist__splice_list_tail(struct perf_evlist *evlist, 132 struct list_head *list, 133 int nr_entries); 134 135 #endif /* __PERF_EVLIST_H */ 136