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 "symbol.h" 8 #include "thread.h" 9 #include <linux/rbtree.h> 10 #include "../../../include/linux/perf_event.h" 11 12 struct sample_queue; 13 struct ip_callchain; 14 struct thread; 15 16 struct ordered_samples { 17 u64 last_flush; 18 u64 next_flush; 19 u64 max_timestamp; 20 struct list_head samples; 21 struct list_head sample_cache; 22 struct list_head to_free; 23 struct sample_queue *sample_buffer; 24 struct sample_queue *last_sample; 25 int sample_buffer_idx; 26 unsigned int nr_samples; 27 }; 28 29 struct perf_session { 30 struct perf_header header; 31 unsigned long size; 32 unsigned long mmap_window; 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. 'perf diff' also needs 40 * to properly support multiple events in a single 41 * perf.data file. 42 */ 43 struct hists hists; 44 int fd; 45 bool fd_pipe; 46 bool repipe; 47 u16 id_hdr_size; 48 int cwdlen; 49 char *cwd; 50 struct ordered_samples ordered_samples; 51 char filename[1]; 52 }; 53 54 struct perf_tool; 55 56 struct perf_session *perf_session__new(const char *filename, int mode, 57 bool force, bool repipe, 58 struct perf_tool *tool); 59 void perf_session__delete(struct perf_session *self); 60 61 void perf_event_header__bswap(struct perf_event_header *self); 62 63 int __perf_session__process_events(struct perf_session *self, 64 u64 data_offset, u64 data_size, u64 size, 65 struct perf_tool *tool); 66 int perf_session__process_events(struct perf_session *self, 67 struct perf_tool *tool); 68 69 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel, 70 struct thread *thread, 71 struct ip_callchain *chain, 72 struct symbol **parent); 73 74 struct branch_info *machine__resolve_bstack(struct machine *self, 75 struct thread *thread, 76 struct branch_stack *bs); 77 78 bool perf_session__has_traces(struct perf_session *self, const char *msg); 79 80 void mem_bswap_64(void *src, int byte_size); 81 void mem_bswap_32(void *src, int byte_size); 82 void perf_event__attr_swap(struct perf_event_attr *attr); 83 84 int perf_session__create_kernel_maps(struct perf_session *self); 85 86 void perf_session__update_sample_type(struct perf_session *self); 87 void perf_session__remove_thread(struct perf_session *self, struct thread *th); 88 89 static inline 90 struct machine *perf_session__find_host_machine(struct perf_session *self) 91 { 92 return &self->host_machine; 93 } 94 95 static inline 96 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 97 { 98 if (pid == HOST_KERNEL_ID) 99 return &self->host_machine; 100 return machines__find(&self->machines, pid); 101 } 102 103 static inline 104 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 105 { 106 if (pid == HOST_KERNEL_ID) 107 return &self->host_machine; 108 return machines__findnew(&self->machines, pid); 109 } 110 111 static inline 112 void perf_session__process_machines(struct perf_session *self, 113 struct perf_tool *tool, 114 machine__process_t process) 115 { 116 process(&self->host_machine, tool); 117 return machines__process(&self->machines, process, tool); 118 } 119 120 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid); 121 size_t perf_session__fprintf(struct perf_session *self, FILE *fp); 122 123 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 124 125 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, 126 FILE *fp, bool with_hits); 127 128 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 129 130 int perf_session__parse_sample(struct perf_session *session, 131 const union perf_event *event, 132 struct perf_sample *sample); 133 134 int perf_session__synthesize_sample(struct perf_session *session, 135 union perf_event *event, 136 const struct perf_sample *sample); 137 138 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, 139 unsigned int type); 140 141 void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, 142 struct machine *machine, int print_sym, 143 int print_dso, int print_symoffset); 144 145 int perf_session__cpu_bitmap(struct perf_session *session, 146 const char *cpu_list, unsigned long *cpu_bitmap); 147 148 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); 149 150 struct perf_evsel_str_handler; 151 152 int __perf_session__set_tracepoints_handlers(struct perf_session *session, 153 const struct perf_evsel_str_handler *assocs, 154 size_t nr_assocs); 155 156 #define perf_session__set_tracepoints_handlers(session, array) \ 157 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) 158 #endif /* __PERF_SESSION_H */ 159