tools/perf/util/event.h

   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 struct event_stat_id {
 103         struct rb_node          rb_node;
 104         struct rb_root          hists;
 105         struct events_stats     stats;
 106         u64                     config;
 107         u64                     event_stream;
 108         u32                     type;
 109 };
 110
 111 void event__print_totals(void);
 112
 113 struct perf_session;
 114
 115 typedef int (*event__handler_t)(event_t *event, struct perf_session *session);
 116
 117 int event__synthesize_thread(pid_t pid, event__handler_t process,
 118                              struct perf_session *session);
 119 void event__synthesize_threads(event__handler_t process,
 120                                struct perf_session *session);
 121 int event__synthesize_kernel_mmap(event__handler_t process,
 122                                   struct perf_session *session,
 123                                   const char *symbol_name);
 124 int event__synthesize_modules(event__handler_t process,
 125                               struct perf_session *session);
 126
 127 int event__process_comm(event_t *self, struct perf_session *session);
 128 int event__process_lost(event_t *self, struct perf_session *session);
 129 int event__process_mmap(event_t *self, struct perf_session *session);
 130 int event__process_task(event_t *self, struct perf_session *session);
 131
 132 struct addr_location;
 133 int event__preprocess_sample(const event_t *self, struct perf_session *session,
 134                              struct addr_location *al, symbol_filter_t filter);
 135 int event__parse_sample(event_t *event, u64 type, struct sample_data *data);
 136
 137 #endif /* __PERF_RECORD_H */