1 #ifndef __PERF_RECORD_H 2 #define __PERF_RECORD_H 3 4 #include "../perf.h" 5 #include "util.h" 6 #include <linux/list.h> 7 #include <linux/rbtree.h> 8 9 /* 10 * PERF_SAMPLE_IP | PERF_SAMPLE_TID | * 11 */ 12 struct ip_event { 13 struct perf_event_header header; 14 u64 ip; 15 u32 pid, tid; 16 unsigned char __more_data[]; 17 }; 18 19 struct mmap_event { 20 struct perf_event_header header; 21 u32 pid, tid; 22 u64 start; 23 u64 len; 24 u64 pgoff; 25 char filename[PATH_MAX]; 26 }; 27 28 struct comm_event { 29 struct perf_event_header header; 30 u32 pid, tid; 31 char comm[16]; 32 }; 33 34 struct fork_event { 35 struct perf_event_header header; 36 u32 pid, ppid; 37 u32 tid, ptid; 38 u64 time; 39 }; 40 41 struct lost_event { 42 struct perf_event_header header; 43 u64 id; 44 u64 lost; 45 }; 46 47 /* 48 * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID 49 */ 50 struct read_event { 51 struct perf_event_header header; 52 u32 pid, tid; 53 u64 value; 54 u64 time_enabled; 55 u64 time_running; 56 u64 id; 57 }; 58 59 struct sample_event { 60 struct perf_event_header header; 61 u64 array[]; 62 }; 63 64 struct sample_data { 65 u64 ip; 66 u32 pid, tid; 67 u64 time; 68 u64 addr; 69 u64 id; 70 u64 stream_id; 71 u32 cpu; 72 u64 period; 73 struct ip_callchain *callchain; 74 u32 raw_size; 75 void *raw_data; 76 }; 77 78 #define BUILD_ID_SIZE 20 79 80 struct build_id_event { 81 struct perf_event_header header; 82 u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))]; 83 char filename[]; 84 }; 85 86 typedef union event_union { 87 struct perf_event_header header; 88 struct ip_event ip; 89 struct mmap_event mmap; 90 struct comm_event comm; 91 struct fork_event fork; 92 struct lost_event lost; 93 struct read_event read; 94 struct sample_event sample; 95 } event_t; 96 97 struct events_stats { 98 u64 total; 99 u64 lost; 100 }; 101 102 void event__print_totals(void); 103 104 enum map_type { 105 MAP__FUNCTION = 0, 106 MAP__VARIABLE, 107 }; 108 109 #define MAP__NR_TYPES (MAP__VARIABLE + 1) 110 111 struct map { 112 union { 113 struct rb_node rb_node; 114 struct list_head node; 115 }; 116 u64 start; 117 u64 end; 118 enum map_type type; 119 u64 pgoff; 120 u64 (*map_ip)(struct map *, u64); 121 u64 (*unmap_ip)(struct map *, u64); 122 struct dso *dso; 123 }; 124 125 static inline u64 map__map_ip(struct map *map, u64 ip) 126 { 127 return ip - map->start + map->pgoff; 128 } 129 130 static inline u64 map__unmap_ip(struct map *map, u64 ip) 131 { 132 return ip + map->start - map->pgoff; 133 } 134 135 static inline u64 identity__map_ip(struct map *map __used, u64 ip) 136 { 137 return ip; 138 } 139 140 struct symbol; 141 142 typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); 143 144 void map__init(struct map *self, enum map_type type, 145 u64 start, u64 end, u64 pgoff, struct dso *dso); 146 struct map *map__new(struct mmap_event *event, enum map_type, 147 char *cwd, int cwdlen); 148 void map__delete(struct map *self); 149 struct map *map__clone(struct map *self); 150 int map__overlap(struct map *l, struct map *r); 151 size_t map__fprintf(struct map *self, FILE *fp); 152 153 struct perf_session; 154 155 int map__load(struct map *self, struct perf_session *session, 156 symbol_filter_t filter); 157 struct symbol *map__find_symbol(struct map *self, struct perf_session *session, 158 u64 addr, symbol_filter_t filter); 159 struct symbol *map__find_symbol_by_name(struct map *self, const char *name, 160 struct perf_session *session, 161 symbol_filter_t filter); 162 void map__fixup_start(struct map *self); 163 void map__fixup_end(struct map *self); 164 165 int event__synthesize_thread(pid_t pid, 166 int (*process)(event_t *event, 167 struct perf_session *session), 168 struct perf_session *session); 169 void event__synthesize_threads(int (*process)(event_t *event, 170 struct perf_session *session), 171 struct perf_session *session); 172 173 int event__process_comm(event_t *self, struct perf_session *session); 174 int event__process_lost(event_t *self, struct perf_session *session); 175 int event__process_mmap(event_t *self, struct perf_session *session); 176 int event__process_task(event_t *self, struct perf_session *session); 177 178 struct addr_location; 179 int event__preprocess_sample(const event_t *self, struct perf_session *session, 180 struct addr_location *al, symbol_filter_t filter); 181 int event__parse_sample(event_t *event, u64 type, struct sample_data *data); 182 183 #endif /* __PERF_RECORD_H */ 184