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 u64 sample_type; 45 int sample_size; 46 int fd; 47 bool fd_pipe; 48 bool repipe; 49 bool sample_id_all; 50 u16 id_hdr_size; 51 int cwdlen; 52 char *cwd; 53 struct ordered_samples ordered_samples; 54 char filename[1]; 55 }; 56 57 struct perf_tool; 58 59 struct perf_session *perf_session__new(const char *filename, int mode, 60 bool force, bool repipe, 61 struct perf_tool *tool); 62 void perf_session__delete(struct perf_session *self); 63 64 void perf_event_header__bswap(struct perf_event_header *self); 65 66 int __perf_session__process_events(struct perf_session *self, 67 u64 data_offset, u64 data_size, u64 size, 68 struct perf_tool *tool); 69 int perf_session__process_events(struct perf_session *self, 70 struct perf_tool *tool); 71 72 int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel *evsel, 73 struct thread *thread, 74 struct ip_callchain *chain, 75 struct symbol **parent); 76 77 struct branch_info *machine__resolve_bstack(struct machine *self, 78 struct thread *thread, 79 struct branch_stack *bs); 80 81 bool perf_session__has_traces(struct perf_session *self, const char *msg); 82 83 void mem_bswap_64(void *src, int byte_size); 84 void mem_bswap_32(void *src, int byte_size); 85 void perf_event__attr_swap(struct perf_event_attr *attr); 86 87 int perf_session__create_kernel_maps(struct perf_session *self); 88 89 void perf_session__update_sample_type(struct perf_session *self); 90 void perf_session__remove_thread(struct perf_session *self, struct thread *th); 91 92 static inline 93 struct machine *perf_session__find_host_machine(struct perf_session *self) 94 { 95 return &self->host_machine; 96 } 97 98 static inline 99 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 100 { 101 if (pid == HOST_KERNEL_ID) 102 return &self->host_machine; 103 return machines__find(&self->machines, pid); 104 } 105 106 static inline 107 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 108 { 109 if (pid == HOST_KERNEL_ID) 110 return &self->host_machine; 111 return machines__findnew(&self->machines, pid); 112 } 113 114 static inline 115 void perf_session__process_machines(struct perf_session *self, 116 struct perf_tool *tool, 117 machine__process_t process) 118 { 119 process(&self->host_machine, tool); 120 return machines__process(&self->machines, process, tool); 121 } 122 123 struct thread *perf_session__findnew(struct perf_session *self, pid_t pid); 124 size_t perf_session__fprintf(struct perf_session *self, FILE *fp); 125 126 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 127 128 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, 129 FILE *fp, bool with_hits); 130 131 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 132 133 static inline int perf_session__parse_sample(struct perf_session *session, 134 const union perf_event *event, 135 struct perf_sample *sample) 136 { 137 return perf_event__parse_sample(event, session->sample_type, 138 session->sample_size, 139 session->sample_id_all, sample, 140 session->header.needs_swap); 141 } 142 143 static inline int perf_session__synthesize_sample(struct perf_session *session, 144 union perf_event *event, 145 const struct perf_sample *sample) 146 { 147 return perf_event__synthesize_sample(event, session->sample_type, 148 sample, session->header.needs_swap); 149 } 150 151 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, 152 unsigned int type); 153 154 void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, 155 struct machine *machine, int print_sym, 156 int print_dso, int print_symoffset); 157 158 int perf_session__cpu_bitmap(struct perf_session *session, 159 const char *cpu_list, unsigned long *cpu_bitmap); 160 161 void perf_session__fprintf_info(struct perf_session *s, FILE *fp, bool full); 162 163 struct perf_evsel_str_handler; 164 165 int __perf_session__set_tracepoints_handlers(struct perf_session *session, 166 const struct perf_evsel_str_handler *assocs, 167 size_t nr_assocs); 168 169 #define perf_session__set_tracepoints_handlers(session, array) \ 170 __perf_session__set_tracepoints_handlers(session, array, ARRAY_SIZE(array)) 171 #endif /* __PERF_SESSION_H */ 172