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
  60 #define PERF_SAMPLE_MASK                                \
  61         (PERF_SAMPLE_IP | PERF_SAMPLE_TID |             \
  62          PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |          \
  63         PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |        \
  64          PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
  65
  66 struct sample_event {
  67         struct perf_event_header        header;
  68         u64 array[];
  69 };
  70
  71 struct perf_sample {
  72         u64 ip;
  73         u32 pid, tid;
  74         u64 time;
  75         u64 addr;
  76         u64 id;
  77         u64 stream_id;
  78         u64 period;
  79         u32 cpu;
  80         u32 raw_size;
  81         void *raw_data;
  82         struct ip_callchain *callchain;
  83 };
  84
  85 #define BUILD_ID_SIZE 20
  86
  87 struct build_id_event {
  88         struct perf_event_header header;
  89         pid_t                    pid;
  90         u8                       build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
  91         char                     filename[];
  92 };
  93
  94 enum perf_user_event_type { /* above any possible kernel type */
  95         PERF_RECORD_USER_TYPE_START             = 64,
  96         PERF_RECORD_HEADER_ATTR                 = 64,
  97         PERF_RECORD_HEADER_EVENT_TYPE           = 65,
  98         PERF_RECORD_HEADER_TRACING_DATA         = 66,
  99         PERF_RECORD_HEADER_BUILD_ID             = 67,
 100         PERF_RECORD_FINISHED_ROUND              = 68,
 101         PERF_RECORD_HEADER_MAX
 102 };
 103
 104 struct attr_event {
 105         struct perf_event_header header;
 106         struct perf_event_attr attr;
 107         u64 id[];
 108 };
 109
 110 #define MAX_EVENT_NAME 64
 111
 112 struct perf_trace_event_type {
 113         u64     event_id;
 114         char    name[MAX_EVENT_NAME];
 115 };
 116
 117 struct event_type_event {
 118         struct perf_event_header header;
 119         struct perf_trace_event_type event_type;
 120 };
 121
 122 struct tracing_data_event {
 123         struct perf_event_header header;
 124         u32 size;
 125 };
 126
 127 union perf_event {
 128         struct perf_event_header        header;
 129         struct ip_event                 ip;
 130         struct mmap_event               mmap;
 131         struct comm_event               comm;
 132         struct fork_event               fork;
 133         struct lost_event               lost;
 134         struct read_event               read;
 135         struct sample_event             sample;
 136         struct attr_event               attr;
 137         struct event_type_event         event_type;
 138         struct tracing_data_event       tracing_data;
 139         struct build_id_event           build_id;
 140 };
 141
 142 void perf_event__print_totals(void);
 143
 144 struct perf_session;
 145 struct thread_map;
 146
 147 typedef int (*perf_event__handler_synth_t)(union perf_event *event,
 148                                            struct perf_session *session);
 149 typedef int (*perf_event__handler_t)(union perf_event *event,
 150                                      struct perf_sample *sample,
 151                                       struct perf_session *session);
 152
 153 int perf_event__synthesize_thread_map(struct thread_map *threads,
 154                                       perf_event__handler_t process,
 155                                       struct perf_session *session);
 156 int perf_event__synthesize_threads(perf_event__handler_t process,
 157                                    struct perf_session *session);
 158 int perf_event__synthesize_kernel_mmap(perf_event__handler_t process,
 159                                        struct perf_session *session,
 160                                        struct machine *machine,
 161                                        const char *symbol_name);
 162
 163 int perf_event__synthesize_modules(perf_event__handler_t process,
 164                                    struct perf_session *session,
 165                                    struct machine *machine);
 166
 167 int perf_event__process_comm(union perf_event *event, struct perf_sample *sample,
 168                              struct perf_session *session);
 169 int perf_event__process_lost(union perf_event *event, struct perf_sample *sample,
 170                              struct perf_session *session);
 171 int perf_event__process_mmap(union perf_event *event, struct perf_sample *sample,
 172                              struct perf_session *session);
 173 int perf_event__process_task(union perf_event *event, struct perf_sample *sample,
 174                              struct perf_session *session);
 175 int perf_event__process(union perf_event *event, struct perf_sample *sample,
 176                         struct perf_session *session);
 177
 178 struct addr_location;
 179 int perf_event__preprocess_sample(const union perf_event *self,
 180                                   struct perf_session *session,
 181                                   struct addr_location *al,
 182                                   struct perf_sample *sample,
 183                                   symbol_filter_t filter);
 184
 185 const char *perf_event__name(unsigned int id);
 186
 187 int perf_event__parse_sample(const union perf_event *event, u64 type,
 188                              int sample_size, bool sample_id_all,
 189                              struct perf_sample *sample);
 190
 191 #endif /* __PERF_RECORD_H */