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 struct rb_root stats_by_id; 24 unsigned long event_total[PERF_RECORD_MAX]; 25 unsigned long unknown_events; 26 struct rb_root hists; 27 u64 sample_type; 28 struct ref_reloc_sym ref_reloc_sym; 29 int fd; 30 int cwdlen; 31 char *cwd; 32 char filename[0]; 33 }; 34 35 typedef int (*event_op)(event_t *self, struct perf_session *session); 36 37 struct perf_event_ops { 38 event_op sample, 39 mmap, 40 comm, 41 fork, 42 exit, 43 lost, 44 read, 45 throttle, 46 unthrottle; 47 }; 48 49 struct perf_session *perf_session__new(const char *filename, int mode, bool force); 50 void perf_session__delete(struct perf_session *self); 51 52 void perf_event_header__bswap(struct perf_event_header *self); 53 54 int __perf_session__process_events(struct perf_session *self, 55 u64 data_offset, u64 data_size, u64 size, 56 struct perf_event_ops *ops); 57 int perf_session__process_events(struct perf_session *self, 58 struct perf_event_ops *event_ops); 59 60 struct map_symbol *perf_session__resolve_callchain(struct perf_session *self, 61 struct thread *thread, 62 struct ip_callchain *chain, 63 struct symbol **parent); 64 65 bool perf_session__has_traces(struct perf_session *self, const char *msg); 66 67 int perf_header__read_build_ids(struct perf_header *self, int input, 68 u64 offset, u64 file_size); 69 70 int perf_session__set_kallsyms_ref_reloc_sym(struct perf_session *self, 71 const char *symbol_name, 72 u64 addr); 73 74 void mem_bswap_64(void *src, int byte_size); 75 76 static inline int __perf_session__create_kernel_maps(struct perf_session *self, 77 struct dso *kernel) 78 { 79 return __map_groups__create_kernel_maps(&self->kmaps, 80 self->vmlinux_maps, kernel); 81 } 82 83 static inline struct map * 84 perf_session__new_module_map(struct perf_session *self, 85 u64 start, const char *filename) 86 { 87 return map_groups__new_module(&self->kmaps, start, filename); 88 } 89 90 #ifdef NO_NEWT_SUPPORT 91 static inline void perf_session__browse_hists(struct rb_root *hists __used, 92 u64 session_total __used, 93 const char *helpline __used) {} 94 #else 95 void perf_session__browse_hists(struct rb_root *hists, u64 session_total, 96 const char *helpline); 97 #endif 98 #endif /* __PERF_SESSION_H */ 99