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 struct mmap_event {
  12         struct perf_event_header header;
  13         u32 pid, tid;
  14         u64 start;
  15         u64 len;
  16         u64 pgoff;
  17         char filename[PATH_MAX];
  18 };
  19
  20 struct mmap2_event {
  21         struct perf_event_header header;
  22         u32 pid, tid;
  23         u64 start;
  24         u64 len;
  25         u64 pgoff;
  26         u32 maj;
  27         u32 min;
  28         u64 ino;
  29         u64 ino_generation;
  30         char filename[PATH_MAX];
  31 };
  32
  33 struct comm_event {
  34         struct perf_event_header header;
  35         u32 pid, tid;
  36         char comm[16];
  37 };
  38
  39 struct fork_event {
  40         struct perf_event_header header;
  41         u32 pid, ppid;
  42         u32 tid, ptid;
  43         u64 time;
  44 };
  45
  46 struct lost_event {
  47         struct perf_event_header header;
  48         u64 id;
  49         u64 lost;
  50 };
  51
  52 /*
  53  * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
  54  */
  55 struct read_event {
  56         struct perf_event_header header;
  57         u32 pid, tid;
  58         u64 value;
  59         u64 time_enabled;
  60         u64 time_running;
  61         u64 id;
  62 };
  63
  64 struct throttle_event {
  65         struct perf_event_header header;
  66         u64 time;
  67         u64 id;
  68         u64 stream_id;
  69 };
  70
  71 #define PERF_SAMPLE_MASK                                \
  72         (PERF_SAMPLE_IP | PERF_SAMPLE_TID |             \
  73          PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |          \
  74         PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |        \
  75          PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD |         \
  76          PERF_SAMPLE_IDENTIFIER)
  77
  78 /* perf sample has 16 bits size limit */
  79 #define PERF_SAMPLE_MAX_SIZE (1 << 16)
  80
  81 struct sample_event {
  82         struct perf_event_header        header;
  83         u64 array[];
  84 };
  85
  86 struct regs_dump {
  87         u64 abi;
  88         u64 *regs;
  89 };
  90
  91 struct stack_dump {
  92         u16 offset;
  93         u64 size;
  94         char *data;
  95 };
  96
  97 struct sample_read_value {
  98         u64 value;
  99         u64 id;
 100 };
 101
 102 struct sample_read {
 103         u64 time_enabled;
 104         u64 time_running;
 105         union {
 106                 struct {
 107                         u64 nr;
 108                         struct sample_read_value *values;
 109                 } group;
 110                 struct sample_read_value one;
 111         };
 112 };
 113
 114 struct perf_sample {
 115         u64 ip;
 116         u32 pid, tid;
 117         u64 time;
 118         u64 addr;
 119         u64 id;
 120         u64 stream_id;
 121         u64 period;
 122         u64 weight;
 123         u64 transaction;
 124         u32 cpu;
 125         u32 raw_size;
 126         u64 data_src;
 127         void *raw_data;
 128         struct ip_callchain *callchain;
 129         struct branch_stack *branch_stack;
 130         struct regs_dump  user_regs;
 131         struct stack_dump user_stack;
 132         struct sample_read read;
 133 };
 134
 135 #define PERF_MEM_DATA_SRC_NONE \
 136         (PERF_MEM_S(OP, NA) |\
 137          PERF_MEM_S(LVL, NA) |\
 138          PERF_MEM_S(SNOOP, NA) |\
 139          PERF_MEM_S(LOCK, NA) |\
 140          PERF_MEM_S(TLB, NA))
 141
 142 struct build_id_event {
 143         struct perf_event_header header;
 144         pid_t                    pid;
 145         u8                       build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
 146         char                     filename[];
 147 };
 148
 149 enum perf_user_event_type { /* above any possible kernel type */
 150         PERF_RECORD_USER_TYPE_START             = 64,
 151         PERF_RECORD_HEADER_ATTR                 = 64,
 152         PERF_RECORD_HEADER_EVENT_TYPE           = 65, /* depreceated */
 153         PERF_RECORD_HEADER_TRACING_DATA         = 66,
 154         PERF_RECORD_HEADER_BUILD_ID             = 67,
 155         PERF_RECORD_FINISHED_ROUND              = 68,
 156         PERF_RECORD_HEADER_MAX
 157 };
 158
 159 struct attr_event {
 160         struct perf_event_header header;
 161         struct perf_event_attr attr;
 162         u64 id[];
 163 };
 164
 165 #define MAX_EVENT_NAME 64
 166
 167 struct perf_trace_event_type {
 168         u64     event_id;
 169         char    name[MAX_EVENT_NAME];
 170 };
 171
 172 struct event_type_event {
 173         struct perf_event_header header;
 174         struct perf_trace_event_type event_type;
 175 };
 176
 177 struct tracing_data_event {
 178         struct perf_event_header header;
 179         u32 size;
 180 };
 181
 182 union perf_event {
 183         struct perf_event_header        header;
 184         struct mmap_event               mmap;
 185         struct mmap2_event              mmap2;
 186         struct comm_event               comm;
 187         struct fork_event               fork;
 188         struct lost_event               lost;
 189         struct read_event               read;
 190         struct throttle_event           throttle;
 191         struct sample_event             sample;
 192         struct attr_event               attr;
 193         struct event_type_event         event_type;
 194         struct tracing_data_event       tracing_data;
 195         struct build_id_event           build_id;
 196 };
 197
 198 void perf_event__print_totals(void);
 199
 200 struct perf_tool;
 201 struct thread_map;
 202
 203 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
 204                                      union perf_event *event,
 205                                      struct perf_sample *sample,
 206                                      struct machine *machine);
 207
 208 int perf_event__synthesize_thread_map(struct perf_tool *tool,
 209                                       struct thread_map *threads,
 210                                       perf_event__handler_t process,
 211                                       struct machine *machine, bool mmap_data);
 212 int perf_event__synthesize_threads(struct perf_tool *tool,
 213                                    perf_event__handler_t process,
 214                                    struct machine *machine, bool mmap_data);
 215 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
 216                                        perf_event__handler_t process,
 217                                        struct machine *machine);
 218
 219 int perf_event__synthesize_modules(struct perf_tool *tool,
 220                                    perf_event__handler_t process,
 221                                    struct machine *machine);
 222
 223 int perf_event__process_comm(struct perf_tool *tool,
 224                              union perf_event *event,
 225                              struct perf_sample *sample,
 226                              struct machine *machine);
 227 int perf_event__process_lost(struct perf_tool *tool,
 228                              union perf_event *event,
 229                              struct perf_sample *sample,
 230                              struct machine *machine);
 231 int perf_event__process_mmap(struct perf_tool *tool,
 232                              union perf_event *event,
 233                              struct perf_sample *sample,
 234                              struct machine *machine);
 235 int perf_event__process_mmap2(struct perf_tool *tool,
 236                              union perf_event *event,
 237                              struct perf_sample *sample,
 238                              struct machine *machine);
 239 int perf_event__process_fork(struct perf_tool *tool,
 240                              union perf_event *event,
 241                              struct perf_sample *sample,
 242                              struct machine *machine);
 243 int perf_event__process_exit(struct perf_tool *tool,
 244                              union perf_event *event,
 245                              struct perf_sample *sample,
 246                              struct machine *machine);
 247 int perf_event__process(struct perf_tool *tool,
 248                         union perf_event *event,
 249                         struct perf_sample *sample,
 250                         struct machine *machine);
 251
 252 struct addr_location;
 253
 254 int perf_event__preprocess_sample(const union perf_event *event,
 255                                   struct machine *machine,
 256                                   struct addr_location *al,
 257                                   struct perf_sample *sample);
 258
 259 const char *perf_event__name(unsigned int id);
 260
 261 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
 262                                      u64 sample_regs_user, u64 read_format);
 263 int perf_event__synthesize_sample(union perf_event *event, u64 type,
 264                                   u64 sample_regs_user, u64 read_format,
 265                                   const struct perf_sample *sample,
 266                                   bool swapped);
 267
 268 int perf_event__synthesize_mmap_events(struct perf_tool *tool,
 269                                        union perf_event *event,
 270                                        pid_t pid, pid_t tgid,
 271                                        perf_event__handler_t process,
 272                                        struct machine *machine,
 273                                        bool mmap_data);
 274
 275 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
 276 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
 277 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
 278 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
 279 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
 280
 281 u64 kallsyms__get_function_start(const char *kallsyms_filename,
 282                                  const char *symbol_name);
 283
 284 #endif /* __PERF_RECORD_H */