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 attr; 49 }; 50 51 struct perf_session *perf_session__new(const char *filename, int mode, bool force); 52 void perf_session__delete(struct perf_session *self); 53 54 void perf_event_header__bswap(struct perf_event_header *self); 55 56 int __perf_session__process_events(struct perf_session *self, 57 u64 data_offset, u64 data_size, u64 size, 58 struct perf_event_ops *ops); 59 int perf_session__process_events(struct perf_session *self, 60 struct perf_event_ops *event_ops); 61 62 struct map_symbol *perf_session__resolve_callchain(struct perf_session *self, 63 struct thread *thread, 64 struct ip_callchain *chain, 65 struct symbol **parent); 66 67 bool perf_session__has_traces(struct perf_session *self, const char *msg); 68 69 int perf_header__read_build_ids(struct perf_header *self, int input, 70 u64 offset, u64 file_size); 71 72 int perf_session__set_kallsyms_ref_reloc_sym(struct perf_session *self, 73 const char *symbol_name, 74 u64 addr); 75 76 void mem_bswap_64(void *src, int byte_size); 77 78 static inline int __perf_session__create_kernel_maps(struct perf_session *self, 79 struct dso *kernel) 80 { 81 return __map_groups__create_kernel_maps(&self->kmaps, 82 self->vmlinux_maps, kernel); 83 } 84 85 static inline int perf_session__create_kernel_maps(struct perf_session *self) 86 { 87 return map_groups__create_kernel_maps(&self->kmaps, self->vmlinux_maps); 88 } 89 90 static inline struct map * 91 perf_session__new_module_map(struct perf_session *self, 92 u64 start, const char *filename) 93 { 94 return map_groups__new_module(&self->kmaps, start, filename); 95 } 96 97 int do_read(int fd, void *buf, size_t size); 98 void perf_session__update_sample_type(struct perf_session *self); 99 100 #ifdef NO_NEWT_SUPPORT 101 static inline int perf_session__browse_hists(struct rb_root *hists __used, 102 u64 nr_hists __used, 103 u64 session_total __used, 104 const char *helpline __used, 105 const char *input_name __used) 106 { 107 return 0; 108 } 109 #else 110 int perf_session__browse_hists(struct rb_root *hists, u64 nr_hists, 111 u64 session_total, const char *helpline, 112 const char *input_name); 113 #endif 114 #endif /* __PERF_SESSION_H */ 115