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 /* ANDROID_CHANGE_BEGIN */ 10 #if 0 11 #include <linux/rbtree.h> 12 #include "../../../include/linux/perf_event.h" 13 #else 14 #include "include/linux/rbtree.h" 15 #include "include/linux/added/perf_event.h" 16 #endif 17 /* ANDROID_CHANGE_END */ 18 19 struct sample_queue; 20 struct ip_callchain; 21 struct thread; 22 23 struct ordered_samples { 24 u64 last_flush; 25 u64 next_flush; 26 u64 max_timestamp; 27 struct list_head samples; 28 struct list_head sample_cache; 29 struct list_head to_free; 30 struct sample_queue *sample_buffer; 31 struct sample_queue *last_sample; 32 int sample_buffer_idx; 33 }; 34 35 struct perf_session { 36 struct perf_header header; 37 unsigned long size; 38 unsigned long mmap_window; 39 struct rb_root threads; 40 struct list_head dead_threads; 41 struct thread *last_match; 42 struct machine host_machine; 43 struct rb_root machines; 44 struct perf_evlist *evlist; 45 /* 46 * FIXME: Need to split this up further, we need global 47 * stats + per event stats. 'perf diff' also needs 48 * to properly support multiple events in a single 49 * perf.data file. 50 */ 51 struct hists hists; 52 u64 sample_type; 53 int sample_size; 54 int fd; 55 bool fd_pipe; 56 bool repipe; 57 bool sample_id_all; 58 u16 id_hdr_size; 59 int cwdlen; 60 char *cwd; 61 struct ordered_samples ordered_samples; 62 struct callchain_cursor callchain_cursor; 63 char filename[0]; 64 }; 65 66 struct perf_evsel; 67 struct perf_event_ops; 68 69 typedef int (*event_sample)(union perf_event *event, struct perf_sample *sample, 70 struct perf_evsel *evsel, struct perf_session *session); 71 typedef int (*event_op)(union perf_event *self, struct perf_sample *sample, 72 struct perf_session *session); 73 typedef int (*event_synth_op)(union perf_event *self, 74 struct perf_session *session); 75 typedef int (*event_op2)(union perf_event *self, struct perf_session *session, 76 struct perf_event_ops *ops); 77 78 struct perf_event_ops { 79 event_sample sample; 80 event_op mmap, 81 comm, 82 fork, 83 exit, 84 lost, 85 read, 86 throttle, 87 unthrottle; 88 event_synth_op attr, 89 event_type, 90 tracing_data, 91 build_id; 92 event_op2 finished_round; 93 bool ordered_samples; 94 bool ordering_requires_timestamps; 95 }; 96 97 struct perf_session *perf_session__new(const char *filename, int mode, 98 bool force, bool repipe, 99 struct perf_event_ops *ops); 100 void perf_session__delete(struct perf_session *self); 101 102 void perf_event_header__bswap(struct perf_event_header *self); 103 104 int __perf_session__process_events(struct perf_session *self, 105 u64 data_offset, u64 data_size, u64 size, 106 struct perf_event_ops *ops); 107 int perf_session__process_events(struct perf_session *self, 108 struct perf_event_ops *event_ops); 109 110 int perf_session__resolve_callchain(struct perf_session *self, 111 struct thread *thread, 112 struct ip_callchain *chain, 113 struct symbol **parent); 114 115 bool perf_session__has_traces(struct perf_session *self, const char *msg); 116 117 int perf_session__set_kallsyms_ref_reloc_sym(struct map **maps, 118 const char *symbol_name, 119 u64 addr); 120 121 void mem_bswap_64(void *src, int byte_size); 122 void perf_event__attr_swap(struct perf_event_attr *attr); 123 124 int perf_session__create_kernel_maps(struct perf_session *self); 125 126 void perf_session__update_sample_type(struct perf_session *self); 127 void perf_session__remove_thread(struct perf_session *self, struct thread *th); 128 129 static inline 130 struct machine *perf_session__find_host_machine(struct perf_session *self) 131 { 132 return &self->host_machine; 133 } 134 135 static inline 136 struct machine *perf_session__find_machine(struct perf_session *self, pid_t pid) 137 { 138 if (pid == HOST_KERNEL_ID) 139 return &self->host_machine; 140 return machines__find(&self->machines, pid); 141 } 142 143 static inline 144 struct machine *perf_session__findnew_machine(struct perf_session *self, pid_t pid) 145 { 146 if (pid == HOST_KERNEL_ID) 147 return &self->host_machine; 148 return machines__findnew(&self->machines, pid); 149 } 150 151 static inline 152 void perf_session__process_machines(struct perf_session *self, 153 machine__process_t process) 154 { 155 process(&self->host_machine, self); 156 return machines__process(&self->machines, process, self); 157 } 158 159 size_t perf_session__fprintf_dsos(struct perf_session *self, FILE *fp); 160 161 size_t perf_session__fprintf_dsos_buildid(struct perf_session *self, 162 FILE *fp, bool with_hits); 163 164 size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp); 165 166 static inline int perf_session__parse_sample(struct perf_session *session, 167 const union perf_event *event, 168 struct perf_sample *sample) 169 { 170 return perf_event__parse_sample(event, session->sample_type, 171 session->sample_size, 172 session->sample_id_all, sample); 173 } 174 175 struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, 176 unsigned int type); 177 178 void perf_session__print_symbols(union perf_event *event, 179 struct perf_sample *sample, 180 struct perf_session *session); 181 182 #endif /* __PERF_SESSION_H */ 183
