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 regs_dump {
  73         u64 *regs;
  74 };
  75
  76 struct stack_dump {
  77         u16 offset;
  78         u64 size;
  79         char *data;
  80 };
  81
  82 struct perf_sample {
  83         u64 ip;
  84         u32 pid, tid;
  85         u64 time;
  86         u64 addr;
  87         u64 id;
  88         u64 stream_id;
  89         u64 period;
  90         u32 cpu;
  91         u32 raw_size;
  92         void *raw_data;
  93         struct ip_callchain *callchain;
  94         struct branch_stack *branch_stack;
  95         struct regs_dump  user_regs;
  96         struct stack_dump user_stack;
  97 };
  98
  99 #define BUILD_ID_SIZE 20
 100
 101 struct build_id_event {
 102         struct perf_event_header header;
 103         pid_t                    pid;
 104         u8                       build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
 105         char                     filename[];
 106 };
 107
 108 enum perf_user_event_type { /* above any possible kernel type */
 109         PERF_RECORD_USER_TYPE_START             = 64,
 110         PERF_RECORD_HEADER_ATTR                 = 64,
 111         PERF_RECORD_HEADER_EVENT_TYPE           = 65,
 112         PERF_RECORD_HEADER_TRACING_DATA         = 66,
 113         PERF_RECORD_HEADER_BUILD_ID             = 67,
 114         PERF_RECORD_FINISHED_ROUND              = 68,
 115         PERF_RECORD_HEADER_MAX
 116 };
 117
 118 struct attr_event {
 119         struct perf_event_header header;
 120         struct perf_event_attr attr;
 121         u64 id[];
 122 };
 123
 124 #define MAX_EVENT_NAME 64
 125
 126 struct perf_trace_event_type {
 127         u64     event_id;
 128         char    name[MAX_EVENT_NAME];
 129 };
 130
 131 struct event_type_event {
 132         struct perf_event_header header;
 133         struct perf_trace_event_type event_type;
 134 };
 135
 136 struct tracing_data_event {
 137         struct perf_event_header header;
 138         u32 size;
 139 };
 140
 141 union perf_event {
 142         struct perf_event_header        header;
 143         struct ip_event                 ip;
 144         struct mmap_event               mmap;
 145         struct comm_event               comm;
 146         struct fork_event               fork;
 147         struct lost_event               lost;
 148         struct read_event               read;
 149         struct sample_event             sample;
 150         struct attr_event               attr;
 151         struct event_type_event         event_type;
 152         struct tracing_data_event       tracing_data;
 153         struct build_id_event           build_id;
 154 };
 155
 156 void perf_event__print_totals(void);
 157
 158 struct perf_tool;
 159 struct thread_map;
 160
 161 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
 162                                      union perf_event *event,
 163                                      struct perf_sample *sample,
 164                                      struct machine *machine);
 165
 166 int perf_event__synthesize_thread_map(struct perf_tool *tool,
 167                                       struct thread_map *threads,
 168                                       perf_event__handler_t process,
 169                                       struct machine *machine);
 170 int perf_event__synthesize_threads(struct perf_tool *tool,
 171                                    perf_event__handler_t process,
 172                                    struct machine *machine);
 173 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
 174                                        perf_event__handler_t process,
 175                                        struct machine *machine,
 176                                        const char *symbol_name);
 177
 178 int perf_event__synthesize_modules(struct perf_tool *tool,
 179                                    perf_event__handler_t process,
 180                                    struct machine *machine);
 181
 182 int perf_event__process_comm(struct perf_tool *tool,
 183                              union perf_event *event,
 184                              struct perf_sample *sample,
 185                              struct machine *machine);
 186 int perf_event__process_lost(struct perf_tool *tool,
 187                              union perf_event *event,
 188                              struct perf_sample *sample,
 189                              struct machine *machine);
 190 int perf_event__process_mmap(struct perf_tool *tool,
 191                              union perf_event *event,
 192                              struct perf_sample *sample,
 193                              struct machine *machine);
 194 int perf_event__process_fork(struct perf_tool *tool,
 195                              union perf_event *event,
 196                              struct perf_sample *sample,
 197                              struct machine *machine);
 198 int perf_event__process_exit(struct perf_tool *tool,
 199                              union perf_event *event,
 200                              struct perf_sample *sample,
 201                              struct machine *machine);
 202 int perf_event__process(struct perf_tool *tool,
 203                         union perf_event *event,
 204                         struct perf_sample *sample,
 205                         struct machine *machine);
 206
 207 struct addr_location;
 208 int perf_event__preprocess_sample(const union perf_event *self,
 209                                   struct machine *machine,
 210                                   struct addr_location *al,
 211                                   struct perf_sample *sample,
 212                                   symbol_filter_t filter);
 213
 214 const char *perf_event__name(unsigned int id);
 215
 216 int perf_event__synthesize_sample(union perf_event *event, u64 type,
 217                                   const struct perf_sample *sample,
 218                                   bool swapped);
 219
 220 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
 221 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
 222 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
 223 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
 224
 225 #endif /* __PERF_RECORD_H */