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 sample_read_value {
  84         u64 value;
  85         u64 id;
  86 };
  87
  88 struct sample_read {
  89         u64 time_enabled;
  90         u64 time_running;
  91         union {
  92                 struct {
  93                         u64 nr;
  94                         struct sample_read_value *values;
  95                 } group;
  96                 struct sample_read_value one;
  97         };
  98 };
  99
 100 struct perf_sample {
 101         u64 ip;
 102         u32 pid, tid;
 103         u64 time;
 104         u64 addr;
 105         u64 id;
 106         u64 stream_id;
 107         u64 period;
 108         u64 weight;
 109         u32 cpu;
 110         u32 raw_size;
 111         u64 data_src;
 112         void *raw_data;
 113         struct ip_callchain *callchain;
 114         struct branch_stack *branch_stack;
 115         struct regs_dump  user_regs;
 116         struct stack_dump user_stack;
 117         struct sample_read read;
 118 };
 119
 120 #define PERF_MEM_DATA_SRC_NONE \
 121         (PERF_MEM_S(OP, NA) |\
 122          PERF_MEM_S(LVL, NA) |\
 123          PERF_MEM_S(SNOOP, NA) |\
 124          PERF_MEM_S(LOCK, NA) |\
 125          PERF_MEM_S(TLB, NA))
 126
 127 struct build_id_event {
 128         struct perf_event_header header;
 129         pid_t                    pid;
 130         u8                       build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
 131         char                     filename[];
 132 };
 133
 134 enum perf_user_event_type { /* above any possible kernel type */
 135         PERF_RECORD_USER_TYPE_START             = 64,
 136         PERF_RECORD_HEADER_ATTR                 = 64,
 137         PERF_RECORD_HEADER_EVENT_TYPE           = 65, /* depreceated */
 138         PERF_RECORD_HEADER_TRACING_DATA         = 66,
 139         PERF_RECORD_HEADER_BUILD_ID             = 67,
 140         PERF_RECORD_FINISHED_ROUND              = 68,
 141         PERF_RECORD_HEADER_MAX
 142 };
 143
 144 struct attr_event {
 145         struct perf_event_header header;
 146         struct perf_event_attr attr;
 147         u64 id[];
 148 };
 149
 150 #define MAX_EVENT_NAME 64
 151
 152 struct perf_trace_event_type {
 153         u64     event_id;
 154         char    name[MAX_EVENT_NAME];
 155 };
 156
 157 struct event_type_event {
 158         struct perf_event_header header;
 159         struct perf_trace_event_type event_type;
 160 };
 161
 162 struct tracing_data_event {
 163         struct perf_event_header header;
 164         u32 size;
 165 };
 166
 167 union perf_event {
 168         struct perf_event_header        header;
 169         struct ip_event                 ip;
 170         struct mmap_event               mmap;
 171         struct comm_event               comm;
 172         struct fork_event               fork;
 173         struct lost_event               lost;
 174         struct read_event               read;
 175         struct sample_event             sample;
 176         struct attr_event               attr;
 177         struct event_type_event         event_type;
 178         struct tracing_data_event       tracing_data;
 179         struct build_id_event           build_id;
 180 };
 181
 182 void perf_event__print_totals(void);
 183
 184 struct perf_tool;
 185 struct thread_map;
 186
 187 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
 188                                      union perf_event *event,
 189                                      struct perf_sample *sample,
 190                                      struct machine *machine);
 191
 192 int perf_event__synthesize_thread_map(struct perf_tool *tool,
 193                                       struct thread_map *threads,
 194                                       perf_event__handler_t process,
 195                                       struct machine *machine);
 196 int perf_event__synthesize_threads(struct perf_tool *tool,
 197                                    perf_event__handler_t process,
 198                                    struct machine *machine);
 199 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
 200                                        perf_event__handler_t process,
 201                                        struct machine *machine,
 202                                        const char *symbol_name);
 203
 204 int perf_event__synthesize_modules(struct perf_tool *tool,
 205                                    perf_event__handler_t process,
 206                                    struct machine *machine);
 207
 208 int perf_event__process_comm(struct perf_tool *tool,
 209                              union perf_event *event,
 210                              struct perf_sample *sample,
 211                              struct machine *machine);
 212 int perf_event__process_lost(struct perf_tool *tool,
 213                              union perf_event *event,
 214                              struct perf_sample *sample,
 215                              struct machine *machine);
 216 int perf_event__process_mmap(struct perf_tool *tool,
 217                              union perf_event *event,
 218                              struct perf_sample *sample,
 219                              struct machine *machine);
 220 int perf_event__process_fork(struct perf_tool *tool,
 221                              union perf_event *event,
 222                              struct perf_sample *sample,
 223                              struct machine *machine);
 224 int perf_event__process_exit(struct perf_tool *tool,
 225                              union perf_event *event,
 226                              struct perf_sample *sample,
 227                              struct machine *machine);
 228 int perf_event__process(struct perf_tool *tool,
 229                         union perf_event *event,
 230                         struct perf_sample *sample,
 231                         struct machine *machine);
 232
 233 struct addr_location;
 234 int perf_event__preprocess_sample(const union perf_event *self,
 235                                   struct machine *machine,
 236                                   struct addr_location *al,
 237                                   struct perf_sample *sample);
 238
 239 const char *perf_event__name(unsigned int id);
 240
 241 int perf_event__synthesize_sample(union perf_event *event, u64 type,
 242                                   const struct perf_sample *sample,
 243                                   bool swapped);
 244
 245 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
 246 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
 247 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
 248 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
 249
 250 #endif /* __PERF_RECORD_H */