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_tracepoints(struct perf_evlist *evlist, 58 const char *tracepoints[], size_t nr_tracepoints); 59 int 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 72 void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel, 73 int cpu, int thread, u64 id); 74 75 void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd); 76 77 struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); 78 79 union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx); 80 81 int perf_evlist__open(struct perf_evlist *evlist, bool group); 82 83 void perf_evlist__config_attrs(struct perf_evlist *evlist, 84 struct perf_record_opts *opts); 85 86 int perf_evlist__prepare_workload(struct perf_evlist *evlist, 87 struct perf_record_opts *opts, 88 const char *argv[]); 89 int perf_evlist__start_workload(struct perf_evlist *evlist); 90 91 int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, 92 bool overwrite); 93 void perf_evlist__munmap(struct perf_evlist *evlist); 94 95 void perf_evlist__disable(struct perf_evlist *evlist); 96 void perf_evlist__enable(struct perf_evlist *evlist); 97 98 void perf_evlist__set_selected(struct perf_evlist *evlist, 99 struct perf_evsel *evsel); 100 101 static 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 } 108 109 int perf_evlist__create_maps(struct perf_evlist *evlist, const char *target_pid, 110 const char *tid, uid_t uid, const char *cpu_list); 111 void perf_evlist__delete_maps(struct perf_evlist *evlist); 112 int perf_evlist__set_filters(struct perf_evlist *evlist); 113 114 u64 perf_evlist__sample_type(const struct perf_evlist *evlist); 115 bool perf_evlist__sample_id_all(const const struct perf_evlist *evlist); 116 u16 perf_evlist__id_hdr_size(const struct perf_evlist *evlist); 117 118 bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist); 119 bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist); 120 121 void perf_evlist__splice_list_tail(struct perf_evlist *evlist, 122 struct list_head *list, 123 int nr_entries); 124 125 #endif /* __PERF_EVLIST_H */ 126