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 #include "build-id.h"
  10
  11 /*
  12  * PERF_SAMPLE_IP | PERF_SAMPLE_TID | *
  13  */
  14 struct ip_event {
  15         struct perf_event_header header;
  16         u64 ip;
  17         u32 pid, tid;
  18         unsigned char __more_data[];
  19 };
  20
  21 struct mmap_event {
  22         struct perf_event_header header;
  23         u32 pid, tid;
  24         u64 start;
  25         u64 len;
  26         u64 pgoff;
  27         char filename[PATH_MAX];
  28 };
  29
  30 struct comm_event {
  31         struct perf_event_header header;
  32         u32 pid, tid;
  33         char comm[16];
  34 };
  35
  36 struct fork_event {
  37         struct perf_event_header header;
  38         u32 pid, ppid;
  39         u32 tid, ptid;
  40         u64 time;
  41 };
  42
  43 struct lost_event {
  44         struct perf_event_header header;
  45         u64 id;
  46         u64 lost;
  47 };
  48
  49 /*
  50  * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
  51  */
  52 struct read_event {
  53         struct perf_event_header header;
  54         u32 pid, tid;
  55         u64 value;
  56         u64 time_enabled;
  57         u64 time_running;
  58         u64 id;
  59 };
  60
  61
  62 #define PERF_SAMPLE_MASK                                \
  63         (PERF_SAMPLE_IP | PERF_SAMPLE_TID |             \
  64          PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |          \
  65         PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |        \
  66          PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD)
  67
  68 struct sample_event {
  69         struct perf_event_header        header;
  70         u64 array[];
  71 };
  72
  73 struct regs_dump {
  74         u64 *regs;
  75 };
  76
  77 struct stack_dump {
  78         u16 offset;
  79         u64 size;
  80         char *data;
  81 };
  82
  83 struct perf_sample {
  84         u64 ip;
  85         u32 pid, tid;
  86         u64 time;
  87         u64 addr;
  88         u64 id;
  89         u64 stream_id;
  90         u64 period;
  91         u32 cpu;
  92         u32 raw_size;
  93         void *raw_data;
  94         struct ip_callchain *callchain;
  95         struct branch_stack *branch_stack;
  96         struct regs_dump  user_regs;
  97         struct stack_dump user_stack;
  98 };
  99
 100 struct build_id_event {
 101         struct perf_event_header header;
 102         pid_t                    pid;
 103         u8                       build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
 104         char                     filename[];
 105 };
 106
 107 enum perf_user_event_type { /* above any possible kernel type */
 108         PERF_RECORD_USER_TYPE_START             = 64,
 109         PERF_RECORD_HEADER_ATTR                 = 64,
 110         PERF_RECORD_HEADER_EVENT_TYPE           = 65,
 111         PERF_RECORD_HEADER_TRACING_DATA         = 66,
 112         PERF_RECORD_HEADER_BUILD_ID             = 67,
 113         PERF_RECORD_FINISHED_ROUND              = 68,
 114         PERF_RECORD_HEADER_MAX
 115 };
 116
 117 struct attr_event {
 118         struct perf_event_header header;
 119         struct perf_event_attr attr;
 120         u64 id[];
 121 };
 122
 123 #define MAX_EVENT_NAME 64
 124
 125 struct perf_trace_event_type {
 126         u64     event_id;
 127         char    name[MAX_EVENT_NAME];
 128 };
 129
 130 struct event_type_event {
 131         struct perf_event_header header;
 132         struct perf_trace_event_type event_type;
 133 };
 134
 135 struct tracing_data_event {
 136         struct perf_event_header header;
 137         u32 size;
 138 };
 139
 140 union perf_event {
 141         struct perf_event_header        header;
 142         struct ip_event                 ip;
 143         struct mmap_event               mmap;
 144         struct comm_event               comm;
 145         struct fork_event               fork;
 146         struct lost_event               lost;
 147         struct read_event               read;
 148         struct sample_event             sample;
 149         struct attr_event               attr;
 150         struct event_type_event         event_type;
 151         struct tracing_data_event       tracing_data;
 152         struct build_id_event           build_id;
 153 };
 154
 155 void perf_event__print_totals(void);
 156
 157 struct perf_tool;
 158 struct thread_map;
 159
 160 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
 161                                      union perf_event *event,
 162                                      struct perf_sample *sample,
 163                                      struct machine *machine);
 164
 165 int perf_event__synthesize_thread_map(struct perf_tool *tool,
 166                                       struct thread_map *threads,
 167                                       perf_event__handler_t process,
 168                                       struct machine *machine);
 169 int perf_event__synthesize_threads(struct perf_tool *tool,
 170                                    perf_event__handler_t process,
 171                                    struct machine *machine);
 172 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
 173                                        perf_event__handler_t process,
 174                                        struct machine *machine,
 175                                        const char *symbol_name);
 176
 177 int perf_event__synthesize_modules(struct perf_tool *tool,
 178                                    perf_event__handler_t process,
 179                                    struct machine *machine);
 180
 181 int perf_event__process_comm(struct perf_tool *tool,
 182                              union perf_event *event,
 183                              struct perf_sample *sample,
 184                              struct machine *machine);
 185 int perf_event__process_lost(struct perf_tool *tool,
 186                              union perf_event *event,
 187                              struct perf_sample *sample,
 188                              struct machine *machine);
 189 int perf_event__process_mmap(struct perf_tool *tool,
 190                              union perf_event *event,
 191                              struct perf_sample *sample,
 192                              struct machine *machine);
 193 int perf_event__process_fork(struct perf_tool *tool,
 194                              union perf_event *event,
 195                              struct perf_sample *sample,
 196                              struct machine *machine);
 197 int perf_event__process_exit(struct perf_tool *tool,
 198                              union perf_event *event,
 199                              struct perf_sample *sample,
 200                              struct machine *machine);
 201 int perf_event__process(struct perf_tool *tool,
 202                         union perf_event *event,
 203                         struct perf_sample *sample,
 204                         struct machine *machine);
 205
 206 struct addr_location;
 207 int perf_event__preprocess_sample(const union perf_event *self,
 208                                   struct machine *machine,
 209                                   struct addr_location *al,
 210                                   struct perf_sample *sample,
 211                                   symbol_filter_t filter);
 212
 213 const char *perf_event__name(unsigned int id);
 214
 215 int perf_event__synthesize_sample(union perf_event *event, u64 type,
 216                                   const struct perf_sample *sample,
 217                                   bool swapped);
 218
 219 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
 220 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
 221 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
 222 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
 223
 224 #endif /* __PERF_RECORD_H */