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 int cwdlen; 41 char *cwd; 42 struct ordered_samples ordered_samples; 43 char filename[1]; 44 }; 45 46 struct perf_tool; 47 48 struct perf_session *perf_session__new(const char *filename, int mode, 49 bool force, bool repipe, 50 struct perf_tool *tool); 51 void perf_session__delete(struct perf_session *session); 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_tool *tool); 58 int perf_session__process_events(struct perf_session *self, 59 struct perf_tool *tool); 60 61 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel, 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 void mem_bswap_64(void *src, int byte_size); 69 void mem_bswap_32(void *src, int byte_size); 70 void perf_event__attr_swap(struct perf_event_attr *attr); 71 72 int perf_session__create_kernel_maps(struct perf_session *self); 73 74 void perf_session__set_id_hdr_size(struct perf_session *session); 75 76 static inline 77 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 78 { 79 return machines__find(&self->machines, pid); 80 } 81 82 static inline 83 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 84 { 85 return machines__findnew(&self->machines, pid); 86 } 87 88 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid); 89 size_t perf_session__fprintf(struct perf_session *self, FILE *fp); 90 91 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 92 93 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, 94 bool (fn)(struct dso *dso, int parm), int parm); 95 96 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 97 98 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, 99 unsigned int type); 100 101 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event, 102 struct perf_sample *sample, struct machine *machine, 103 int print_sym, int print_dso, int print_symoffset); 104 105 int perf_session__cpu_bitmap(struct perf_session *session, 106 const char *cpu_list, unsigned long *cpu_bitmap); 107 108 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); 109 110 struct perf_evsel_str_handler; 111 112 int __perf_session__set_tracepoints_handlers(struct perf_session *session, 113 const struct perf_evsel_str_handler *assocs, 114 size_t nr_assocs); 115 116 #define perf_session__set_tracepoints_handlers(session, array) \ 117 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) 118 #endif /* __PERF_SESSION_H */ 119