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_default_attrs(struct perf_evlist *evlist, 55 struct perf_event_attr *attrs, size_t nr_attrs); 56 57 #define perf_evlist__add_default_attrs(evlist, array) \ 58 __perf_evlist__add_default_attrs(evlist, array, ARRAY_SIZE(array)) 59 60 int perf_evlist__add_newtp(struct perf_evlist *evlist, 61 const char *sys, const char *name, void *handler); 62 63 int perf_evlist__set_filter(struct perf_evlist *evlist, const char *filter); 64 65 struct perf_evsel * 66 perf_evlist__find_tracepoint_by_id(struct perf_evlist *evlist, int id); 67 68 void perf_evlist__id_add(struct perf_evlist *evlist, struct perf_evsel *evsel, 69 int cpu, int thread, u64 id); 70 71 void perf_evlist__add_pollfd(struct perf_evlist *evlist, int fd); 72 73 struct perf_evsel *perf_evlist__id2evsel(struct perf_evlist *evlist, u64 id); 74 75 union perf_event *perf_evlist__mmap_read(struct perf_evlist *self, int idx); 76 77 int perf_evlist__open(struct perf_evlist *evlist); 78 79 void perf_evlist__config_attrs(struct perf_evlist *evlist, 80 struct perf_record_opts *opts); 81 82 int perf_evlist__prepare_workload(struct perf_evlist *evlist, 83 struct perf_record_opts *opts, 84 const char *argv[]); 85 int perf_evlist__start_workload(struct perf_evlist *evlist); 86 87 int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, 88 bool overwrite); 89 void perf_evlist__munmap(struct perf_evlist *evlist); 90 91 void perf_evlist__disable(struct perf_evlist *evlist); 92 void perf_evlist__enable(struct perf_evlist *evlist); 93 94 void perf_evlist__set_selected(struct perf_evlist *evlist, 95 struct perf_evsel *evsel); 96 97 static inline void perf_evlist__set_maps(struct perf_evlist *evlist, 98 struct cpu_map *cpus, 99 struct thread_map *threads) 100 { 101 evlist->cpus = cpus; 102 evlist->threads = threads; 103 } 104 105 int perf_evlist__create_maps(struct perf_evlist *evlist, 106 struct perf_target *target); 107 void perf_evlist__delete_maps(struct perf_evlist *evlist); 108 int perf_evlist__apply_filters(struct perf_evlist *evlist); 109 110 void __perf_evlist__set_leader(struct list_head *list); 111 void perf_evlist__set_leader(struct perf_evlist *evlist); 112 113 u64 perf_evlist__sample_type(struct perf_evlist *evlist); 114 bool perf_evlist__sample_id_all(struct perf_evlist *evlist); 115 u16 perf_evlist__id_hdr_size(struct perf_evlist *evlist); 116 117 int perf_evlist__parse_sample(struct perf_evlist *evlist, union perf_event *event, 118 struct perf_sample *sample); 119 120 bool perf_evlist__valid_sample_type(struct perf_evlist *evlist); 121 bool perf_evlist__valid_sample_id_all(struct perf_evlist *evlist); 122 123 void perf_evlist__splice_list_tail(struct perf_evlist *evlist, 124 struct list_head *list, 125 int nr_entries); 126 127 static inline struct perf_evsel *perf_evlist__first(struct perf_evlist *evlist) 128 { 129 return list_entry(evlist->entries.next, struct perf_evsel, node); 130 } 131 132 static inline struct perf_evsel *perf_evlist__last(struct perf_evlist *evlist) 133 { 134 return list_entry(evlist->entries.prev, struct perf_evsel, node); 135 } 136 137 size_t perf_evlist__fprintf(struct perf_evlist *evlist, FILE *fp); 138 #endif /* __PERF_EVLIST_H */ 139