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 #include "perf_regs.h"
  11
  12 struct mmap_event {
  13         struct perf_event_header header;
  14         u32 pid, tid;
  15         u64 start;
  16         u64 len;
  17         u64 pgoff;
  18         char filename[PATH_MAX];
  19 };
  20
  21 struct mmap2_event {
  22         struct perf_event_header header;
  23         u32 pid, tid;
  24         u64 start;
  25         u64 len;
  26         u64 pgoff;
  27         u32 maj;
  28         u32 min;
  29         u64 ino;
  30         u64 ino_generation;
  31         u32 prot;
  32         u32 flags;
  33         char filename[PATH_MAX];
  34 };
  35
  36 struct comm_event {
  37         struct perf_event_header header;
  38         u32 pid, tid;
  39         char comm[16];
  40 };
  41
  42 struct fork_event {
  43         struct perf_event_header header;
  44         u32 pid, ppid;
  45         u32 tid, ptid;
  46         u64 time;
  47 };
  48
  49 struct lost_event {
  50         struct perf_event_header header;
  51         u64 id;
  52         u64 lost;
  53 };
  54
  55 /*
  56  * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
  57  */
  58 struct read_event {
  59         struct perf_event_header header;
  60         u32 pid, tid;
  61         u64 value;
  62         u64 time_enabled;
  63         u64 time_running;
  64         u64 id;
  65 };
  66
  67 struct throttle_event {
  68         struct perf_event_header header;
  69         u64 time;
  70         u64 id;
  71         u64 stream_id;
  72 };
  73
  74 #define PERF_SAMPLE_MASK                                \
  75         (PERF_SAMPLE_IP | PERF_SAMPLE_TID |             \
  76          PERF_SAMPLE_TIME | PERF_SAMPLE_ADDR |          \
  77         PERF_SAMPLE_ID | PERF_SAMPLE_STREAM_ID |        \
  78          PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD |         \
  79          PERF_SAMPLE_IDENTIFIER)
  80
  81 /* perf sample has 16 bits size limit */
  82 #define PERF_SAMPLE_MAX_SIZE (1 << 16)
  83
  84 struct sample_event {
  85         struct perf_event_header        header;
  86         u64 array[];
  87 };
  88
  89 struct regs_dump {
  90         u64 abi;
  91         u64 mask;
  92         u64 *regs;
  93
  94         /* Cached values/mask filled by first register access. */
  95         u64 cache_regs[PERF_REGS_MAX];
  96         u64 cache_mask;
  97 };
  98
  99 struct stack_dump {
 100         u16 offset;
 101         u64 size;
 102         char *data;
 103 };
 104
 105 struct sample_read_value {
 106         u64 value;
 107         u64 id;
 108 };
 109
 110 struct sample_read {
 111         u64 time_enabled;
 112         u64 time_running;
 113         union {
 114                 struct {
 115                         u64 nr;
 116                         struct sample_read_value *values;
 117                 } group;
 118                 struct sample_read_value one;
 119         };
 120 };
 121
 122 struct ip_callchain {
 123         u64 nr;
 124         u64 ips[0];
 125 };
 126
 127 struct branch_flags {
 128         u64 mispred:1;
 129         u64 predicted:1;
 130         u64 in_tx:1;
 131         u64 abort:1;
 132         u64 reserved:60;
 133 };
 134
 135 struct branch_entry {
 136         u64                     from;
 137         u64                     to;
 138         struct branch_flags     flags;
 139 };
 140
 141 struct branch_stack {
 142         u64                     nr;
 143         struct branch_entry     entries[0];
 144 };
 145
 146 struct perf_sample {
 147         u64 ip;
 148         u32 pid, tid;
 149         u64 time;
 150         u64 addr;
 151         u64 id;
 152         u64 stream_id;
 153         u64 period;
 154         u64 weight;
 155         u64 transaction;
 156         u32 cpu;
 157         u32 raw_size;
 158         u64 data_src;
 159         void *raw_data;
 160         struct ip_callchain *callchain;
 161         struct branch_stack *branch_stack;
 162         struct regs_dump  user_regs;
 163         struct stack_dump user_stack;
 164         struct sample_read read;
 165 };
 166
 167 #define PERF_MEM_DATA_SRC_NONE \
 168         (PERF_MEM_S(OP, NA) |\
 169          PERF_MEM_S(LVL, NA) |\
 170          PERF_MEM_S(SNOOP, NA) |\
 171          PERF_MEM_S(LOCK, NA) |\
 172          PERF_MEM_S(TLB, NA))
 173
 174 struct build_id_event {
 175         struct perf_event_header header;
 176         pid_t                    pid;
 177         u8                       build_id[PERF_ALIGN(BUILD_ID_SIZE, sizeof(u64))];
 178         char                     filename[];
 179 };
 180
 181 enum perf_user_event_type { /* above any possible kernel type */
 182         PERF_RECORD_USER_TYPE_START             = 64,
 183         PERF_RECORD_HEADER_ATTR                 = 64,
 184         PERF_RECORD_HEADER_EVENT_TYPE           = 65, /* depreceated */
 185         PERF_RECORD_HEADER_TRACING_DATA         = 66,
 186         PERF_RECORD_HEADER_BUILD_ID             = 67,
 187         PERF_RECORD_FINISHED_ROUND              = 68,
 188         PERF_RECORD_HEADER_MAX
 189 };
 190
 191 struct attr_event {
 192         struct perf_event_header header;
 193         struct perf_event_attr attr;
 194         u64 id[];
 195 };
 196
 197 #define MAX_EVENT_NAME 64
 198
 199 struct perf_trace_event_type {
 200         u64     event_id;
 201         char    name[MAX_EVENT_NAME];
 202 };
 203
 204 struct event_type_event {
 205         struct perf_event_header header;
 206         struct perf_trace_event_type event_type;
 207 };
 208
 209 struct tracing_data_event {
 210         struct perf_event_header header;
 211         u32 size;
 212 };
 213
 214 union perf_event {
 215         struct perf_event_header        header;
 216         struct mmap_event               mmap;
 217         struct mmap2_event              mmap2;
 218         struct comm_event               comm;
 219         struct fork_event               fork;
 220         struct lost_event               lost;
 221         struct read_event               read;
 222         struct throttle_event           throttle;
 223         struct sample_event             sample;
 224         struct attr_event               attr;
 225         struct event_type_event         event_type;
 226         struct tracing_data_event       tracing_data;
 227         struct build_id_event           build_id;
 228 };
 229
 230 void perf_event__print_totals(void);
 231
 232 struct perf_tool;
 233 struct thread_map;
 234
 235 typedef int (*perf_event__handler_t)(struct perf_tool *tool,
 236                                      union perf_event *event,
 237                                      struct perf_sample *sample,
 238                                      struct machine *machine);
 239
 240 int perf_event__synthesize_thread_map(struct perf_tool *tool,
 241                                       struct thread_map *threads,
 242                                       perf_event__handler_t process,
 243                                       struct machine *machine, bool mmap_data);
 244 int perf_event__synthesize_threads(struct perf_tool *tool,
 245                                    perf_event__handler_t process,
 246                                    struct machine *machine, bool mmap_data);
 247 int perf_event__synthesize_kernel_mmap(struct perf_tool *tool,
 248                                        perf_event__handler_t process,
 249                                        struct machine *machine);
 250
 251 int perf_event__synthesize_modules(struct perf_tool *tool,
 252                                    perf_event__handler_t process,
 253                                    struct machine *machine);
 254
 255 int perf_event__process_comm(struct perf_tool *tool,
 256                              union perf_event *event,
 257                              struct perf_sample *sample,
 258                              struct machine *machine);
 259 int perf_event__process_lost(struct perf_tool *tool,
 260                              union perf_event *event,
 261                              struct perf_sample *sample,
 262                              struct machine *machine);
 263 int perf_event__process_mmap(struct perf_tool *tool,
 264                              union perf_event *event,
 265                              struct perf_sample *sample,
 266                              struct machine *machine);
 267 int perf_event__process_mmap2(struct perf_tool *tool,
 268                              union perf_event *event,
 269                              struct perf_sample *sample,
 270                              struct machine *machine);
 271 int perf_event__process_fork(struct perf_tool *tool,
 272                              union perf_event *event,
 273                              struct perf_sample *sample,
 274                              struct machine *machine);
 275 int perf_event__process_exit(struct perf_tool *tool,
 276                              union perf_event *event,
 277                              struct perf_sample *sample,
 278                              struct machine *machine);
 279 int perf_event__process(struct perf_tool *tool,
 280                         union perf_event *event,
 281                         struct perf_sample *sample,
 282                         struct machine *machine);
 283
 284 struct addr_location;
 285
 286 int perf_event__preprocess_sample(const union perf_event *event,
 287                                   struct machine *machine,
 288                                   struct addr_location *al,
 289                                   struct perf_sample *sample);
 290
 291 struct thread;
 292
 293 bool is_bts_event(struct perf_event_attr *attr);
 294 bool sample_addr_correlates_sym(struct perf_event_attr *attr);
 295 void perf_event__preprocess_sample_addr(union perf_event *event,
 296                                         struct perf_sample *sample,
 297                                         struct machine *machine,
 298                                         struct thread *thread,
 299                                         struct addr_location *al);
 300
 301 const char *perf_event__name(unsigned int id);
 302
 303 size_t perf_event__sample_event_size(const struct perf_sample *sample, u64 type,
 304                                      u64 read_format);
 305 int perf_event__synthesize_sample(union perf_event *event, u64 type,
 306                                   u64 read_format,
 307                                   const struct perf_sample *sample,
 308                                   bool swapped);
 309
 310 int perf_event__synthesize_mmap_events(struct perf_tool *tool,
 311                                        union perf_event *event,
 312                                        pid_t pid, pid_t tgid,
 313                                        perf_event__handler_t process,
 314                                        struct machine *machine,
 315                                        bool mmap_data);
 316
 317 size_t perf_event__fprintf_comm(union perf_event *event, FILE *fp);
 318 size_t perf_event__fprintf_mmap(union perf_event *event, FILE *fp);
 319 size_t perf_event__fprintf_mmap2(union perf_event *event, FILE *fp);
 320 size_t perf_event__fprintf_task(union perf_event *event, FILE *fp);
 321 size_t perf_event__fprintf(union perf_event *event, FILE *fp);
 322
 323 u64 kallsyms__get_function_start(const char *kallsyms_filename,
 324                                  const char *symbol_name);
 325
 326 #endif /* __PERF_RECORD_H */