1 #ifndef __PERF_SESSION_H 2 #define __PERF_SESSION_H 3 4 #include "hist.h" 5 #include "event.h" 6 #include "header.h" 7 #include "machine.h" 8 #include "symbol.h" 9 #include "thread.h" 10 #include <linux/rbtree.h> 11 #include <linux/perf_event.h> 12 13 struct sample_queue; 14 struct ip_callchain; 15 struct thread; 16 17 struct ordered_samples { 18 u64 last_flush; 19 u64 next_flush; 20 u64 max_timestamp; 21 struct list_head samples; 22 struct list_head sample_cache; 23 struct list_head to_free; 24 struct sample_queue *sample_buffer; 25 struct sample_queue *last_sample; 26 int sample_buffer_idx; 27 unsigned int nr_samples; 28 }; 29 30 struct perf_session { 31 struct perf_header header; 32 unsigned long size; 33 struct machines machines; 34 struct perf_evlist *evlist; 35 struct pevent *pevent; 36 struct events_stats stats; 37 int fd; 38 bool fd_pipe; 39 bool repipe; 40 char *cwd; 41 struct ordered_samples ordered_samples; 42 char filename[1]; 43 }; 44 45 struct perf_tool; 46 47 struct perf_session *perf_session__new(const char *filename, int mode, 48 bool force, bool repipe, 49 struct perf_tool *tool); 50 void perf_session__delete(struct perf_session *session); 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_tool *tool); 57 int perf_session__process_events(struct perf_session *self, 58 struct perf_tool *tool); 59 60 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel, 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 void mem_bswap_64(void *src, int byte_size); 68 void mem_bswap_32(void *src, int byte_size); 69 void perf_event__attr_swap(struct perf_event_attr *attr); 70 71 int perf_session__create_kernel_maps(struct perf_session *self); 72 73 void perf_session__set_id_hdr_size(struct perf_session *session); 74 75 static inline 76 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 77 { 78 return machines__find(&self->machines, pid); 79 } 80 81 static inline 82 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 83 { 84 return machines__findnew(&self->machines, pid); 85 } 86 87 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid); 88 size_t perf_session__fprintf(struct perf_session *self, FILE *fp); 89 90 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 91 92 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, 93 bool (fn)(struct dso *dso, int parm), int parm); 94 95 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 96 97 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, 98 unsigned int type); 99 100 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event, 101 struct perf_sample *sample, struct machine *machine, 102 int print_sym, int print_dso, int print_symoffset); 103 104 int perf_session__cpu_bitmap(struct perf_session *session, 105 const char *cpu_list, unsigned long *cpu_bitmap); 106 107 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); 108 109 struct perf_evsel_str_handler; 110 111 int __perf_session__set_tracepoints_handlers(struct perf_session *session, 112 const struct perf_evsel_str_handler *assocs, 113 size_t nr_assocs); 114 115 #define perf_session__set_tracepoints_handlers(session, array) \ 116 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) 117 #endif /* __PERF_SESSION_H */ 118