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 bool sample_id_all; 48 u16 id_hdr_size; 49 int cwdlen; 50 char *cwd; 51 struct ordered_samples ordered_samples; 52 char filename[1]; 53 }; 54 55 struct perf_tool; 56 57 struct perf_session *perf_session__new(const char *filename, int mode, 58 bool force, bool repipe, 59 struct perf_tool *tool); 60 void perf_session__delete(struct perf_session *self); 61 62 void perf_event_header__bswap(struct perf_event_header *self); 63 64 int __perf_session__process_events(struct perf_session *self, 65 u64 data_offset, u64 data_size, u64 size, 66 struct perf_tool *tool); 67 int perf_session__process_events(struct perf_session *self, 68 struct perf_tool *tool); 69 70 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel, 71 struct thread *thread, 72 struct ip_callchain *chain, 73 struct symbol **parent); 74 75 struct branch_info *machine__resolve_bstack(struct machine *self, 76 struct thread *thread, 77 struct branch_stack *bs); 78 79 bool perf_session__has_traces(struct perf_session *self, const char *msg); 80 81 void mem_bswap_64(void *src, int byte_size); 82 void mem_bswap_32(void *src, int byte_size); 83 void perf_event__attr_swap(struct perf_event_attr *attr); 84 85 int perf_session__create_kernel_maps(struct perf_session *self); 86 87 void perf_session__update_sample_type(struct perf_session *self); 88 void perf_session__remove_thread(struct perf_session *self, struct thread *th); 89 90 static inline 91 struct machine *perf_session__find_host_machine(struct perf_session *self) 92 { 93 return &self->host_machine; 94 } 95 96 static inline 97 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 98 { 99 if (pid == HOST_KERNEL_ID) 100 return &self->host_machine; 101 return machines__find(&self->machines, pid); 102 } 103 104 static inline 105 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 106 { 107 if (pid == HOST_KERNEL_ID) 108 return &self->host_machine; 109 return machines__findnew(&self->machines, pid); 110 } 111 112 static inline 113 void perf_session__process_machines(struct perf_session *self, 114 struct perf_tool *tool, 115 machine__process_t process) 116 { 117 process(&self->host_machine, tool); 118 return machines__process(&self->machines, process, tool); 119 } 120 121 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid); 122 size_t perf_session__fprintf(struct perf_session *self, FILE *fp); 123 124 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 125 126 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, 127 FILE *fp, bool with_hits); 128 129 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 130 131 int perf_session__parse_sample(struct perf_session *session, 132 const union perf_event *event, 133 struct perf_sample *sample); 134 135 int perf_session__synthesize_sample(struct perf_session *session, 136 union perf_event *event, 137 const struct perf_sample *sample); 138 139 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, 140 unsigned int type); 141 142 void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, 143 struct machine *machine, int print_sym, 144 int print_dso, int print_symoffset); 145 146 int perf_session__cpu_bitmap(struct perf_session *session, 147 const char *cpu_list, unsigned long *cpu_bitmap); 148 149 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); 150 151 struct perf_evsel_str_handler; 152 153 int __perf_session__set_tracepoints_handlers(struct perf_session *session, 154 const struct perf_evsel_str_handler *assocs, 155 size_t nr_assocs); 156 157 #define perf_session__set_tracepoints_handlers(session, array) \ 158 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) 159 #endif /* __PERF_SESSION_H */ 160