1 #ifndef __PERF_SESSION_H 2 #define __PERF_SESSION_H 3 4 #include "event.h" 5 #include "header.h" 6 #include "thread.h" 7 #include <linux/rbtree.h> 8 #include "../../../include/linux/perf_event.h" 9 10 struct ip_callchain; 11 struct thread; 12 struct symbol; 13 14 struct perf_session { 15 struct perf_header header; 16 unsigned long size; 17 unsigned long mmap_window; 18 struct map_groups kmaps; 19 struct rb_root threads; 20 struct thread *last_match; 21 struct map *vmlinux_maps[MAP__NR_TYPES]; 22 struct events_stats events_stats; 23 unsigned long event_total[PERF_RECORD_MAX]; 24 unsigned long unknown_events; 25 struct rb_root hists; 26 u64 sample_type; 27 int fd; 28 int cwdlen; 29 char *cwd; 30 char filename[0]; 31 }; 32 33 typedef int (*event_op)(event_t *self, struct perf_session *session); 34 35 struct perf_event_ops { 36 event_op sample, 37 mmap, 38 comm, 39 fork, 40 exit, 41 lost, 42 read, 43 throttle, 44 unthrottle; 45 }; 46 47 struct perf_session *perf_session__new(const char *filename, int mode, bool force); 48 void perf_session__delete(struct perf_session *self); 49 50 int perf_session__process_events(struct perf_session *self, 51 struct perf_event_ops *event_ops); 52 53 struct symbol **perf_session__resolve_callchain(struct perf_session *self, 54 struct thread *thread, 55 struct ip_callchain *chain, 56 struct symbol **parent); 57 58 bool perf_session__has_traces(struct perf_session *self, const char *msg); 59 60 int perf_header__read_build_ids(int input, u64 offset, u64 file_size); 61 62 #endif /* __PERF_SESSION_H */ 63