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 9 struct ip_callchain; 10 struct thread; 11 struct symbol; 12 struct symbol_conf; 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 rb_root hists; 22 u64 sample_type; 23 int fd; 24 int cwdlen; 25 char *cwd; 26 bool use_modules; 27 bool use_callchain; 28 char filename[0]; 29 }; 30 31 typedef int (*event_op)(event_t *self, struct perf_session *session); 32 33 struct perf_event_ops { 34 event_op process_sample_event; 35 event_op process_mmap_event; 36 event_op process_comm_event; 37 event_op process_fork_event; 38 event_op process_exit_event; 39 event_op process_lost_event; 40 event_op process_read_event; 41 event_op process_throttle_event; 42 event_op process_unthrottle_event; 43 int (*sample_type_check)(struct perf_session *session); 44 unsigned long total_unknown; 45 bool full_paths; 46 }; 47 48 struct perf_session *perf_session__new(const char *filename, int mode, 49 bool force, struct symbol_conf *conf); 50 void perf_session__delete(struct perf_session *self); 51 52 int perf_session__process_events(struct perf_session *self, 53 struct perf_event_ops *event_ops); 54 55 struct symbol **perf_session__resolve_callchain(struct perf_session *self, 56 struct thread *thread, 57 struct ip_callchain *chain, 58 struct symbol **parent); 59 60 int perf_header__read_build_ids(int input, u64 offset, u64 file_size); 61 62 #endif /* __PERF_SESSION_H */ 63