1 #ifndef __PERF_SESSION_H 2 #define __PERF_SESSION_H 3 4 #include "event.h" 5 #include "header.h" 6 #include "symbol.h" 7 #include "thread.h" 8 #include <linux/rbtree.h> 9 #include "../../../include/linux/perf_event.h" 10 11 struct ip_callchain; 12 struct thread; 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 struct ref_reloc_sym ref_reloc_sym; 28 int fd; 29 int cwdlen; 30 char *cwd; 31 char filename[0]; 32 }; 33 34 typedef int (*event_op)(event_t *self, struct perf_session *session); 35 36 struct perf_event_ops { 37 event_op sample, 38 mmap, 39 comm, 40 fork, 41 exit, 42 lost, 43 read, 44 throttle, 45 unthrottle; 46 }; 47 48 struct perf_session *perf_session__new(const char *filename, int mode, bool force); 49 void perf_session__delete(struct perf_session *self); 50 51 void perf_event_header__bswap(struct perf_event_header *self); 52 53 int __perf_session__process_events(struct perf_session *self, 54 u64 data_offset, u64 data_size, u64 size, 55 struct perf_event_ops *ops); 56 int perf_session__process_events(struct perf_session *self, 57 struct perf_event_ops *event_ops); 58 59 struct symbol **perf_session__resolve_callchain(struct perf_session *self, 60 struct thread *thread, 61 struct ip_callchain *chain, 62 struct symbol **parent); 63 64 bool perf_session__has_traces(struct perf_session *self, const char *msg); 65 66 int perf_header__read_build_ids(struct perf_header *self, int input, 67 u64 offset, u64 file_size); 68 69 int perf_session__set_kallsyms_ref_reloc_sym(struct perf_session *self, 70 const char *symbol_name, 71 u64 addr); 72 73 void mem_bswap_64(void *src, int byte_size); 74 75 static inline int __perf_session__create_kernel_maps(struct perf_session *self, 76 struct dso *kernel) 77 { 78 return __map_groups__create_kernel_maps(&self->kmaps, 79 self->vmlinux_maps, kernel); 80 } 81 82 static inline struct map * 83 perf_session__new_module_map(struct perf_session *self, 84 u64 start, const char *filename) 85 { 86 return map_groups__new_module(&self->kmaps, start, filename); 87 } 88 #endif /* __PERF_SESSION_H */ 89