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         u64 period;
  72         u32 cpu;
  73         u32 raw_size;
  74         void *raw_data;
  75         struct ip_callchain *callchain;
  76 };
  77
  78 #define BUILD_ID_SIZE 20
  79
  80 struct build_id_event {
  81         struct perf_event_header header;
  82         pid_t                    pid;
  83         u8                       build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
  84         char                     filename[];
  85 };
  86
  87 enum perf_user_event_type { /* above any possible kernel type */
  88         PERF_RECORD_USER_TYPE_START             = 64,
  89         PERF_RECORD_HEADER_ATTR                 = 64,
  90         PERF_RECORD_HEADER_EVENT_TYPE           = 65,
  91         PERF_RECORD_HEADER_TRACING_DATA         = 66,
  92         PERF_RECORD_HEADER_BUILD_ID             = 67,
  93         PERF_RECORD_FINISHED_ROUND              = 68,
  94         PERF_RECORD_HEADER_MAX
  95 };
  96
  97 struct attr_event {
  98         struct perf_event_header header;
  99         struct perf_event_attr attr;
 100         u64 id[];
 101 };
 102
 103 #define MAX_EVENT_NAME 64
 104
 105 struct perf_trace_event_type {
 106         u64     event_id;
 107         char    name[MAX_EVENT_NAME];
 108 };
 109
 110 struct event_type_event {
 111         struct perf_event_header header;
 112         struct perf_trace_event_type event_type;
 113 };
 114
 115 struct tracing_data_event {
 116         struct perf_event_header header;
 117         u32 size;
 118 };
 119
 120 typedef union event_union {
 121         struct perf_event_header        header;
 122         struct ip_event                 ip;
 123         struct mmap_event               mmap;
 124         struct comm_event               comm;
 125         struct fork_event               fork;
 126         struct lost_event               lost;
 127         struct read_event               read;
 128         struct sample_event             sample;
 129         struct attr_event               attr;
 130         struct event_type_event         event_type;
 131         struct tracing_data_event       tracing_data;
 132         struct build_id_event           build_id;
 133 } event_t;
 134
 135 void event__print_totals(void);
 136
 137 struct perf_session;
 138
 139 typedef int (*event__handler_synth_t)(event_t *event,
 140                                       struct perf_session *session);
 141 typedef int (*event__handler_t)(event_t *event, struct sample_data *sample,
 142                                 struct perf_session *session);
 143
 144 int event__synthesize_thread(pid_t pid, event__handler_t process,
 145                              struct perf_session *session);
 146 int event__synthesize_threads(event__handler_t process,
 147                               struct perf_session *session);
 148 int event__synthesize_kernel_mmap(event__handler_t process,
 149                                 struct perf_session *session,
 150                                 struct machine *machine,
 151                                 const char *symbol_name);
 152
 153 int event__synthesize_modules(event__handler_t process,
 154                               struct perf_session *session,
 155                               struct machine *machine);
 156
 157 int event__process_comm(event_t *self, struct sample_data *sample,
 158                         struct perf_session *session);
 159 int event__process_lost(event_t *self, struct sample_data *sample,
 160                         struct perf_session *session);
 161 int event__process_mmap(event_t *self, struct sample_data *sample,
 162                         struct perf_session *session);
 163 int event__process_task(event_t *self, struct sample_data *sample,
 164                         struct perf_session *session);
 165 int event__process(event_t *event, struct sample_data *sample,
 166                    struct perf_session *session);
 167
 168 struct addr_location;
 169 int event__preprocess_sample(const event_t *self, struct perf_session *session,
 170                              struct addr_location *al, struct sample_data *data,
 171                              symbol_filter_t filter);
 172
 173 const char *event__get_event_name(unsigned int id);
 174
 175 int event__parse_sample(const event_t *event, u64 type, bool sample_id_all,
 176                         struct sample_data *sample);
 177
 178 #endif /* __PERF_RECORD_H */