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 machine host_machine; 34 struct rb_root machines; 35 struct perf_evlist *evlist; 36 struct pevent *pevent; 37 struct events_stats stats; 38 int fd; 39 bool fd_pipe; 40 bool repipe; 41 int cwdlen; 42 char *cwd; 43 struct ordered_samples ordered_samples; 44 char filename[1]; 45 }; 46 47 struct perf_tool; 48 49 struct perf_session *perf_session__new(const char *filename, int mode, 50 bool force, bool repipe, 51 struct perf_tool *tool); 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_tool *tool); 59 int perf_session__process_events(struct perf_session *self, 60 struct perf_tool *tool); 61 62 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel, 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 void mem_bswap_64(void *src, int byte_size); 70 void mem_bswap_32(void *src, int byte_size); 71 void perf_event__attr_swap(struct perf_event_attr *attr); 72 73 int perf_session__create_kernel_maps(struct perf_session *self); 74 75 void perf_session__set_id_hdr_size(struct perf_session *session); 76 void perf_session__remove_thread(struct perf_session *self, struct thread *th); 77 78 static inline 79 struct machine *perf_session__find_host_machine(struct perf_session *self) 80 { 81 return &self->host_machine; 82 } 83 84 static inline 85 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 86 { 87 if (pid == HOST_KERNEL_ID) 88 return &self->host_machine; 89 return machines__find(&self->machines, pid); 90 } 91 92 static inline 93 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 94 { 95 if (pid == HOST_KERNEL_ID) 96 return &self->host_machine; 97 return machines__findnew(&self->machines, pid); 98 } 99 100 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid); 101 size_t perf_session__fprintf(struct perf_session *self, FILE *fp); 102 103 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 104 105 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, 106 bool (fn)(struct dso *dso, int parm), int parm); 107 108 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 109 110 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, 111 unsigned int type); 112 113 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event, 114 struct perf_sample *sample, struct machine *machine, 115 int print_sym, int print_dso, int print_symoffset); 116 117 int perf_session__cpu_bitmap(struct perf_session *session, 118 const char *cpu_list, unsigned long *cpu_bitmap); 119 120 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); 121 122 struct perf_evsel_str_handler; 123 124 int __perf_session__set_tracepoints_handlers(struct perf_session *session, 125 const struct perf_evsel_str_handler *assocs, 126 size_t nr_assocs); 127 128 #define perf_session__set_tracepoints_handlers(session, array) \ 129 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) 130 #endif /* __PERF_SESSION_H */ 131