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 };
  85
  86 #define BUILD_ID_SIZE 20
  87
  88 struct build_id_event {
  89         struct perf_event_header header;
  90         pid_t                    pid;
  91         u8                       build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))];
  92         char                     filename[];
  93 };
  94
  95 enum perf_user_event_type { /* above any possible kernel type */
  96         PERF_RECORD_USER_TYPE_START             = 64,
  97         PERF_RECORD_HEADER_ATTR                 = 64,
  98         PERF_RECORD_HEADER_EVENT_TYPE           = 65,
  99         PERF_RECORD_HEADER_TRACING_DATA         = 66,
 100         PERF_RECORD_HEADER_BUILD_ID             = 67,
 101         PERF_RECORD_FINISHED_ROUND              = 68,
 102         PERF_RECORD_HEADER_MAX
 103 };
 104
 105 struct attr_event {
 106         struct perf_event_header header;
 107         struct perf_event_attr attr;
 108         u64 id[];
 109 };
 110
 111 #define MAX_EVENT_NAME 64
 112
 113 struct perf_trace_event_type {
 114         u64     event_id;
 115         char    name[MAX_EVENT_NAME];
 116 };
 117
 118 struct event_type_event {
 119         struct perf_event_header header;
 120         struct perf_trace_event_type event_type;
 121 };
 122
 123 struct tracing_data_event {
 124         struct perf_event_header header;
 125         u32 size;
 126 };
 127
 128 union perf_event {
 129         struct perf_event_header        header;
 130         struct ip_event                 ip;
 131         struct mmap_event               mmap;
 132         struct comm_event               comm;
 133         struct fork_event               fork;
 134         struct lost_event               lost;
 135         struct read_event               read;
 136         struct sample_event             sample;
 137         struct attr_event               attr;
 138         struct event_type_event         event_type;
 139         struct tracing_data_event       tracing_data;
 140         struct build_id_event           build_id;
 141 };
 142
 143 void perf_event__print_totals(void);
 144
 145 struct perf_tool;
 146 struct thread_map;
 147
 148 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
 149                                      union perf_event *event,
 150                                      struct perf_sample *sample,
 151                                      struct machine *machine);
 152
 153 int perf_event__synthesize_thread_map(struct perf_tool *tool,
 154                                       struct thread_map *threads,
 155                                       perf_event__handler_t process,
 156                                       struct machine *machine);
 157 int perf_event__synthesize_threads(struct perf_tool *tool,
 158                                    perf_event__handler_t process,
 159                                    struct machine *machine);
 160 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
 161                                        perf_event__handler_t process,
 162                                        struct machine *machine,
 163                                        const char *symbol_name);
 164
 165 int perf_event__synthesize_modules(struct perf_tool *tool,
 166                                    perf_event__handler_t process,
 167                                    struct machine *machine);
 168
 169 int perf_event__process_comm(struct perf_tool *tool,
 170                              union perf_event *event,
 171                              struct perf_sample *sample,
 172                              struct machine *machine);
 173 int perf_event__process_lost(struct perf_tool *tool,
 174                              union perf_event *event,
 175                              struct perf_sample *sample,
 176                              struct machine *machine);
 177 int perf_event__process_mmap(struct perf_tool *tool,
 178                              union perf_event *event,
 179                              struct perf_sample *sample,
 180                              struct machine *machine);
 181 int perf_event__process_task(struct perf_tool *tool,
 182                              union perf_event *event,
 183                              struct perf_sample *sample,
 184                              struct machine *machine);
 185 int perf_event__process(struct perf_tool *tool,
 186                         union perf_event *event,
 187                         struct perf_sample *sample,
 188                         struct machine *machine);
 189
 190 struct addr_location;
 191 int perf_event__preprocess_sample(const union perf_event *self,
 192                                   struct machine *machine,
 193                                   struct addr_location *al,
 194                                   struct perf_sample *sample,
 195                                   symbol_filter_t filter);
 196
 197 const char *perf_event__name(unsigned int id);
 198
 199 int perf_event__parse_sample(const union perf_event *event, u64 type,
 200                              int sample_size, bool sample_id_all,
 201                              struct perf_sample *sample, bool swapped);
 202 int perf_event__synthesize_sample(union perf_event *event, u64 type,
 203                                   const struct perf_sample *sample,
 204                                   bool swapped);
 205
 206 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
 207 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
 208 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
 209 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
 210
 211 #endif /* __PERF_RECORD_H */