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 unsigned long total; 99 unsigned long lost; 100 }; 101 102 void event__print_totals(void); 103 104 enum map_type { 105 MAP__FUNCTION = 0, 106 107 MAP__NR_TYPES, 108 }; 109 110 struct map { 111 union { 112 struct rb_node rb_node; 113 struct list_head node; 114 }; 115 u64 start; 116 u64 end; 117 enum map_type type; 118 u64 pgoff; 119 u64 (*map_ip)(struct map *, u64); 120 u64 (*unmap_ip)(struct map *, u64); 121 struct dso *dso; 122 }; 123 124 static inline u64 map__map_ip(struct map *map, u64 ip) 125 { 126 return ip - map->start + map->pgoff; 127 } 128 129 static inline u64 map__unmap_ip(struct map *map, u64 ip) 130 { 131 return ip + map->start - map->pgoff; 132 } 133 134 static inline u64 identity__map_ip(struct map *map __used, u64 ip) 135 { 136 return ip; 137 } 138 139 struct symbol; 140 141 typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym); 142 143 void map__init(struct map *self, enum map_type type, 144 u64 start, u64 end, u64 pgoff, struct dso *dso); 145 struct map *map__new(struct mmap_event *event, enum map_type, 146 char *cwd, int cwdlen); 147 void map__delete(struct map *self); 148 struct map *map__clone(struct map *self); 149 int map__overlap(struct map *l, struct map *r); 150 size_t map__fprintf(struct map *self, FILE *fp); 151 struct symbol *map__find_symbol(struct map *self, u64 addr, 152 symbol_filter_t filter); 153 void map__fixup_start(struct map *self); 154 void map__fixup_end(struct map *self); 155 156 int event__synthesize_thread(pid_t pid, int (*process)(event_t *event)); 157 void event__synthesize_threads(int (*process)(event_t *event)); 158 159 extern char *event__cwd; 160 extern int event__cwdlen; 161 extern struct events_stats event__stats; 162 extern unsigned long event__total[PERF_RECORD_MAX]; 163 164 int event__process_comm(event_t *self); 165 int event__process_lost(event_t *self); 166 int event__process_mmap(event_t *self); 167 int event__process_task(event_t *self); 168 169 struct addr_location; 170 int event__preprocess_sample(const event_t *self, struct addr_location *al, 171 symbol_filter_t filter); 172 int event__parse_sample(event_t *event, u64 type, struct sample_data *data); 173 174 #endif /* __PERF_RECORD_H */ 175