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 /* 38 * FIXME: Need to split this up further, we need global 39 * stats + per event stats. 40 */ 41 struct hists hists; 42 int fd; 43 bool fd_pipe; 44 bool repipe; 45 int cwdlen; 46 char *cwd; 47 struct ordered_samples ordered_samples; 48 char filename[1]; 49 }; 50 51 struct perf_tool; 52 53 struct perf_session *perf_session__new(const char *filename, int mode, 54 bool force, bool repipe, 55 struct perf_tool *tool); 56 void perf_session__delete(struct perf_session *self); 57 58 void perf_event_header__bswap(struct perf_event_header *self); 59 60 int __perf_session__process_events(struct perf_session *self, 61 u64 data_offset, u64 data_size, u64 size, 62 struct perf_tool *tool); 63 int perf_session__process_events(struct perf_session *self, 64 struct perf_tool *tool); 65 66 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel, 67 struct thread *thread, 68 struct ip_callchain *chain, 69 struct symbol **parent); 70 71 bool perf_session__has_traces(struct perf_session *self, const char *msg); 72 73 void mem_bswap_64(void *src, int byte_size); 74 void mem_bswap_32(void *src, int byte_size); 75 void perf_event__attr_swap(struct perf_event_attr *attr); 76 77 int perf_session__create_kernel_maps(struct perf_session *self); 78 79 void perf_session__set_id_hdr_size(struct perf_session *session); 80 void perf_session__remove_thread(struct perf_session *self, struct thread *th); 81 82 static inline 83 struct machine *perf_session__find_host_machine(struct perf_session *self) 84 { 85 return &self->host_machine; 86 } 87 88 static inline 89 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 90 { 91 if (pid == HOST_KERNEL_ID) 92 return &self->host_machine; 93 return machines__find(&self->machines, pid); 94 } 95 96 static inline 97 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 98 { 99 if (pid == HOST_KERNEL_ID) 100 return &self->host_machine; 101 return machines__findnew(&self->machines, pid); 102 } 103 104 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid); 105 size_t perf_session__fprintf(struct perf_session *self, FILE *fp); 106 107 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 108 109 size_t perf_session__fprintf_dsos_buildid(struct perf_session *session, FILE *fp, 110 bool (fn)(struct dso *dso, int parm), int parm); 111 112 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 113 114 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, 115 unsigned int type); 116 117 void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event, 118 struct perf_sample *sample, struct machine *machine, 119 int print_sym, int print_dso, int print_symoffset); 120 121 int perf_session__cpu_bitmap(struct perf_session *session, 122 const char *cpu_list, unsigned long *cpu_bitmap); 123 124 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); 125 126 struct perf_evsel_str_handler; 127 128 int __perf_session__set_tracepoints_handlers(struct perf_session *session, 129 const struct perf_evsel_str_handler *assocs, 130 size_t nr_assocs); 131 132 #define perf_session__set_tracepoints_handlers(session, array) \ 133 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) 134 #endif /* __PERF_SESSION_H */ 135