tools/perf/util/event.h

   1 #ifndef __PERF_RECORD_H
   2 #define __PERF_RECORD_H
   3
   4 #include <limits.h>
   5 #include <stdio.h>
   6
   7 #include "../perf.h"
   8 #include "map.h"
   9
  10 /*
  11  * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
  12  */
  13 struct ip_event {
  14         struct perf_event_header header;
  15         u64 ip;
  16         u32 pid, tid;
  17         unsigned char __more_data[];
  18 };
  19
  20 struct mmap_event {
  21         struct perf_event_header header;
  22         u32 pid, tid;
  23         u64 start;
  24         u64 len;
  25         u64 pgoff;
  26         char filename[PATH_MAX];
  27 };
  28
  29 struct comm_event {
  30         struct perf_event_header header;
  31         u32 pid, tid;
  32         char comm[16];
  33 };
  34
  35 struct fork_event {
  36         struct perf_event_header header;
  37         u32 pid, ppid;
  38         u32 tid, ptid;
  39         u64 time;
  40 };
  41
  42 struct lost_event {
  43         struct perf_event_header header;
  44         u64 id;
  45         u64 lost;
  46 };
  47
  48 /*
  49  * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
  50  */
  51 struct read_event {
  52         struct perf_event_header header;
  53         u32 pid, tid;
  54         u64 value;
  55         u64 time_enabled;
  56         u64 time_running;
  57         u64 id;
  58 };
  59
  60
  61 #define PERF_SAMPLE_MASK                                \
  62         (PERF_SAMPLE_IP | PERF_SAMPLE_TID |             \
  63          PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |          \
  64         PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |        \
  65          PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
  66
  67 struct sample_event {
  68         struct perf_event_header        header;
  69         u64 array[];
  70 };
  71
  72 struct perf_sample {
  73         u64 ip;
  74         u32 pid, tid;
  75         u64 time;
  76         u64 addr;
  77         u64 id;
  78         u64 stream_id;
  79         u64 period;
  80         u32 cpu;
  81         u32 raw_size;
  82         void *raw_data;
  83         struct ip_callchain *callchain;
  84         struct branch_stack *branch_stack;
  85 };
  86
  87 #define BUILD_ID_SIZE 20
  88
  89 struct build_id_event {
  90         struct perf_event_header header;
  91         pid_t                    pid;
  92         u8                       build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
  93         char                     filename[];
  94 };
  95
  96 enum perf_user_event_type { /* above any possible kernel type */
  97         PERF_RECORD_USER_TYPE_START             = 64,
  98         PERF_RECORD_HEADER_ATTR                 = 64,
  99         PERF_RECORD_HEADER_EVENT_TYPE           = 65,
 100         PERF_RECORD_HEADER_TRACING_DATA         = 66,
 101         PERF_RECORD_HEADER_BUILD_ID             = 67,
 102         PERF_RECORD_FINISHED_ROUND              = 68,
 103         PERF_RECORD_HEADER_MAX
 104 };
 105
 106 struct attr_event {
 107         struct perf_event_header header;
 108         struct perf_event_attr attr;
 109         u64 id[];
 110 };
 111
 112 #define MAX_EVENT_NAME 64
 113
 114 struct perf_trace_event_type {
 115         u64     event_id;
 116         char    name[MAX_EVENT_NAME];
 117 };
 118
 119 struct event_type_event {
 120         struct perf_event_header header;
 121         struct perf_trace_event_type event_type;
 122 };
 123
 124 struct tracing_data_event {
 125         struct perf_event_header header;
 126         u32 size;
 127 };
 128
 129 union perf_event {
 130         struct perf_event_header        header;
 131         struct ip_event                 ip;
 132         struct mmap_event               mmap;
 133         struct comm_event               comm;
 134         struct fork_event               fork;
 135         struct lost_event               lost;
 136         struct read_event               read;
 137         struct sample_event             sample;
 138         struct attr_event               attr;
 139         struct event_type_event         event_type;
 140         struct tracing_data_event       tracing_data;
 141         struct build_id_event           build_id;
 142 };
 143
 144 void perf_event__print_totals(void);
 145
 146 struct perf_tool;
 147 struct thread_map;
 148
 149 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
 150                                      union perf_event *event,
 151                                      struct perf_sample *sample,
 152                                      struct machine *machine);
 153
 154 int perf_event__synthesize_thread_map(struct perf_tool *tool,
 155                                       struct thread_map *threads,
 156                                       perf_event__handler_t process,
 157                                       struct machine *machine);
 158 int perf_event__synthesize_threads(struct perf_tool *tool,
 159                                    perf_event__handler_t process,
 160                                    struct machine *machine);
 161 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
 162                                        perf_event__handler_t process,
 163                                        struct machine *machine,
 164                                        const char *symbol_name);
 165
 166 int perf_event__synthesize_modules(struct perf_tool *tool,
 167                                    perf_event__handler_t process,
 168                                    struct machine *machine);
 169
 170 int perf_event__process_comm(struct perf_tool *tool,
 171                              union perf_event *event,
 172                              struct perf_sample *sample,
 173                              struct machine *machine);
 174 int perf_event__process_lost(struct perf_tool *tool,
 175                              union perf_event *event,
 176                              struct perf_sample *sample,
 177                              struct machine *machine);
 178 int perf_event__process_mmap(struct perf_tool *tool,
 179                              union perf_event *event,
 180                              struct perf_sample *sample,
 181                              struct machine *machine);
 182 int perf_event__process_task(struct perf_tool *tool,
 183                              union perf_event *event,
 184                              struct perf_sample *sample,
 185                              struct machine *machine);
 186 int perf_event__process(struct perf_tool *tool,
 187                         union perf_event *event,
 188                         struct perf_sample *sample,
 189                         struct machine *machine);
 190
 191 struct addr_location;
 192 int perf_event__preprocess_sample(const union perf_event *self,
 193                                   struct machine *machine,
 194                                   struct addr_location *al,
 195                                   struct perf_sample *sample,
 196                                   symbol_filter_t filter);
 197
 198 const char *perf_event__name(unsigned int id);
 199
 200 int perf_event__synthesize_sample(union perf_event *event, u64 type,
 201                                   const struct perf_sample *sample,
 202                                   bool swapped);
 203
 204 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
 205 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
 206 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
 207 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
 208
 209 #endif /* __PERF_RECORD_H */