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 bool fd_pipe; 31 int cwdlen; 32 char *cwd; 33 char filename[0]; 34 }; 35 36 typedef int (*event_op)(event_t *self, struct perf_session *session); 37 38 struct perf_event_ops { 39 event_op sample, 40 mmap, 41 comm, 42 fork, 43 exit, 44 lost, 45 read, 46 throttle, 47 unthrottle; 48 }; 49 50 struct perf_session *perf_session__new(const char *filename, int mode, bool force); 51 void perf_session__delete(struct perf_session *self); 52 53 void perf_event_header__bswap(struct perf_event_header *self); 54 55 int __perf_session__process_events(struct perf_session *self, 56 u64 data_offset, u64 data_size, u64 size, 57 struct perf_event_ops *ops); 58 int perf_session__process_events(struct perf_session *self, 59 struct perf_event_ops *event_ops); 60 61 struct map_symbol *perf_session__resolve_callchain(struct perf_session *self, 62 struct thread *thread, 63 struct ip_callchain *chain, 64 struct symbol **parent); 65 66 bool perf_session__has_traces(struct perf_session *self, const char *msg); 67 68 int perf_header__read_build_ids(struct perf_header *self, int input, 69 u64 offset, u64 file_size); 70 71 int perf_session__set_kallsyms_ref_reloc_sym(struct perf_session *self, 72 const char *symbol_name, 73 u64 addr); 74 75 void mem_bswap_64(void *src, int byte_size); 76 77 static inline int __perf_session__create_kernel_maps(struct perf_session *self, 78 struct dso *kernel) 79 { 80 return __map_groups__create_kernel_maps(&self->kmaps, 81 self->vmlinux_maps, kernel); 82 } 83 84 static inline int perf_session__create_kernel_maps(struct perf_session *self) 85 { 86 return map_groups__create_kernel_maps(&self->kmaps, self->vmlinux_maps); 87 } 88 89 static inline struct map * 90 perf_session__new_module_map(struct perf_session *self, 91 u64 start, const char *filename) 92 { 93 return map_groups__new_module(&self->kmaps, start, filename); 94 } 95 96 int do_read(int fd, void *buf, size_t size); 97 void perf_session__update_sample_type(struct perf_session *self); 98 99 #ifdef NO_NEWT_SUPPORT 100 static inline int perf_session__browse_hists(struct rb_root *hists __used, 101 u64 nr_hists __used, 102 u64 session_total __used, 103 const char *helpline __used, 104 const char *input_name __used) 105 { 106 return 0; 107 } 108 #else 109 int perf_session__browse_hists(struct rb_root *hists, u64 nr_hists, 110 u64 session_total, const char *helpline, 111 const char *input_name); 112 #endif 113 #endif /* __PERF_SESSION_H */ 114