1 #ifndef __PERF_RECORD_H 2 #define __PERF_RECORD_H 3 4 #include <limits.h> 5 6 #include "../perf.h" 7 #include "map.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 struct perf_session; 105 106 typedef int (*event__handler_t)(event_t *event, struct perf_session *session); 107 108 int event__synthesize_thread(pid_t pid, event__handler_t process, 109 struct perf_session *session); 110 void event__synthesize_threads(event__handler_t process, 111 struct perf_session *session); 112 int event__synthesize_kernel_mmap(event__handler_t process, 113 struct perf_session *session, 114 const char *symbol_name); 115 int event__synthesize_modules(event__handler_t process, 116 struct perf_session *session); 117 118 int event__process_comm(event_t *self, struct perf_session *session); 119 int event__process_lost(event_t *self, struct perf_session *session); 120 int event__process_mmap(event_t *self, struct perf_session *session); 121 int event__process_task(event_t *self, struct perf_session *session); 122 123 struct addr_location; 124 int event__preprocess_sample(const event_t *self, struct perf_session *session, 125 struct addr_location *al, symbol_filter_t filter); 126 int event__parse_sample(event_t *event, u64 type, struct sample_data *data); 127 128 #endif /* __PERF_RECORD_H */ 129