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 "evsel.h" 9 #include "util.h" 10 #include <unistd.h> 11 12 struct pollfd; 13 struct thread_map; 14 struct cpu_map; 15 struct perf_record_opts; 16 17 #define PERF_EVLIST__HLIST_BITS 8 18 #define PERF_EVLIST__HLIST_SIZE (1 << PERF_EVLIST__HLIST_BITS) 19 20 struct perf_evlist { 21 struct list_head entries; 22 struct hlist_head heads[PERF_EVLIST__HLIST_SIZE]; 23 int nr_entries; 24 int nr_fds; 25 int nr_mmaps; 26 int mmap_len; 27 struct { 28 int cork_fd; 29 pid_t pid; 30 } workload; 31 bool overwrite; 32 union perf_event event_copy; 33 struct perf_mmap *mmap; 34 struct pollfd *pollfd; 35 struct thread_map *threads; 36 struct cpu_map *cpus; 37 struct perf_evsel *selected; 38 }; 39 40 struct perf_evsel_str_handler { 41 const char *name; 42 void *handler; 43 }; 44 45 struct perf_evlist *perf_evlist__new(struct cpu_map *cpus, 46 struct thread_map *threads); 47 void perf_evlist__init(struct perf_evlist *evlist, struct cpu_map *cpus, 48 struct thread_map *threads); 49 void perf_evlist__exit(struct perf_evlist *evlist); 50 void perf_evlist__delete(struct perf_evlist *evlist); 51 52 void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry); 53 int perf_evlist__add_default(struct perf_evlist *evlist); 54 int perf_evlist__add_attrs(struct perf_evlist *evlist, 55 struct perf_event_attr *attrs, size_t nr_attrs); 56 int __perf_evlist__add_default_attrs(struct perf_evlist *evlist, 57 struct perf_event_attr *attrs, size_t nr_attrs); 58 int perf_evlist__add_tracepoints(struct perf_evlist *evlist, 59 const char *tracepoints[], size_t nr_tracepoints); 60 int perf_evlist__set_tracepoints_handlers(struct perf_evlist *evlist, 61 const struct perf_evsel_str_handler *assocs, 62 size_t nr_assocs); 63 64 #define perf_evlist__add_attrs_array(evlist, array) \ 65 perf_evlist__add_attrs(evlist, array, ARRAY_SIZE(array)) 66 #define perf_evlist__add_default_attrs(evlist, array) \ 67 __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array)) 68 69 #define perf_evlist__add_tracepoints_array(evlist, array) \ 70 perf_evlist__add_tracepoints(evlist, array, ARRAY_SIZE(array)) 71 72 #define perf_evlist__set_tracepoints_handlers_array(evlist, array) \ 73 perf_evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array)) 74 75 int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter); 76 77 struct perf_evsel * 78 perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id); 79 80 void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel, 81 int cpu, int thread, u64 id); 82 83 void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd); 84 85 struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); 86 87 union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx); 88 89 int perf_evlist__open(struct perf_evlist *evlist); 90 91 void perf_evlist__config_attrs(struct perf_evlist *evlist, 92 struct perf_record_opts *opts); 93 94 int perf_evlist__prepare_workload(struct perf_evlist *evlist, 95 struct perf_record_opts *opts, 96 const char *argv[]); 97 int perf_evlist__start_workload(struct perf_evlist *evlist); 98 99 int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, 100 bool overwrite); 101 void perf_evlist__munmap(struct perf_evlist *evlist); 102 103 void perf_evlist__disable(struct perf_evlist *evlist); 104 void perf_evlist__enable(struct perf_evlist *evlist); 105 106 void perf_evlist__set_selected(struct perf_evlist *evlist, 107 struct perf_evsel *evsel); 108 109 static inline void perf_evlist__set_maps(struct perf_evlist *evlist, 110 struct cpu_map *cpus, 111 struct thread_map *threads) 112 { 113 evlist->cpus = cpus; 114 evlist->threads = threads; 115 } 116 117 int perf_evlist__create_maps(struct perf_evlist *evlist, 118 struct perf_target *target); 119 void perf_evlist__delete_maps(struct perf_evlist *evlist); 120 int perf_evlist__apply_filters(struct perf_evlist *evlist); 121 122 void __perf_evlist__set_leader(struct list_head *list); 123 void perf_evlist__set_leader(struct perf_evlist *evlist); 124 125 u64 perf_evlist__sample_type(struct perf_evlist *evlist); 126 bool perf_evlist__sample_id_all(struct perf_evlist *evlist); 127 u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist); 128 129 int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event, 130 struct perf_sample *sample); 131 132 bool perf_evlist__valid_sample_type(struct perf_evlist *evlist); 133 bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist); 134 135 void perf_evlist__splice_list_tail(struct perf_evlist *evlist, 136 struct list_head *list, 137 int nr_entries); 138 139 static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist) 140 { 141 return list_entry(evlist->entries.next, struct perf_evsel, node); 142 } 143 144 static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist) 145 { 146 return list_entry(evlist->entries.prev, struct perf_evsel, node); 147 } 148 149 size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp); 150 #endif /* __PERF_EVLIST_H */ 151