tools/lib/perf/include/perf/event.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __LIBPERF_EVENT_H
   3 #define __LIBPERF_EVENT_H
   4
   5 #include <linux/perf_event.h>
   6 #include <linux/types.h>
   7 #include <linux/limits.h>
   8 #include <linux/bpf.h>
   9 #include <sys/types.h> /* pid_t */
  10
  11 #define event_contains(obj, mem) ((obj).header.size > offsetof(typeof(obj), mem))
  12
  13 struct perf_record_mmap {
  14         struct perf_event_header header;
  15         __u32                    pid, tid;
  16         __u64                    start;
  17         __u64                    len;
  18         __u64                    pgoff;
  19         char                     filename[PATH_MAX];
  20 };
  21
  22 struct perf_record_mmap2 {
  23         struct perf_event_header header;
  24         __u32                    pid, tid;
  25         __u64                    start;
  26         __u64                    len;
  27         __u64                    pgoff;
  28         union {
  29                 struct {
  30                         __u32    maj;
  31                         __u32    min;
  32                         __u64    ino;
  33                         __u64    ino_generation;
  34                 };
  35                 struct {
  36                         __u8     build_id_size;
  37                         __u8     __reserved_1;
  38                         __u16    __reserved_2;
  39                         __u8     build_id[20];
  40                 };
  41         };
  42         __u32                    prot;
  43         __u32                    flags;
  44         char                     filename[PATH_MAX];
  45 };
  46
  47 struct perf_record_comm {
  48         struct perf_event_header header;
  49         __u32                    pid, tid;
  50         char                     comm[16];
  51 };
  52
  53 struct perf_record_namespaces {
  54         struct perf_event_header header;
  55         __u32                    pid, tid;
  56         __u64                    nr_namespaces;
  57         struct perf_ns_link_info link_info[];
  58 };
  59
  60 struct perf_record_fork {
  61         struct perf_event_header header;
  62         __u32                    pid, ppid;
  63         __u32                    tid, ptid;
  64         __u64                    time;
  65 };
  66
  67 struct perf_record_lost {
  68         struct perf_event_header header;
  69         __u64                    id;
  70         __u64                    lost;
  71 };
  72
  73 struct perf_record_lost_samples {
  74         struct perf_event_header header;
  75         __u64                    lost;
  76 };
  77
  78 /*
  79  * PERF_FORMAT_ENABLED | PERF_FORMAT_RUNNING | PERF_FORMAT_ID
  80  */
  81 struct perf_record_read {
  82         struct perf_event_header header;
  83         __u32                    pid, tid;
  84         __u64                    value;
  85         __u64                    time_enabled;
  86         __u64                    time_running;
  87         __u64                    id;
  88 };
  89
  90 struct perf_record_throttle {
  91         struct perf_event_header header;
  92         __u64                    time;
  93         __u64                    id;
  94         __u64                    stream_id;
  95 };
  96
  97 #ifndef KSYM_NAME_LEN
  98 #define KSYM_NAME_LEN 256
  99 #endif
 100
 101 struct perf_record_ksymbol {
 102         struct perf_event_header header;
 103         __u64                    addr;
 104         __u32                    len;
 105         __u16                    ksym_type;
 106         __u16                    flags;
 107         char                     name[KSYM_NAME_LEN];
 108 };
 109
 110 struct perf_record_bpf_event {
 111         struct perf_event_header header;
 112         __u16                    type;
 113         __u16                    flags;
 114         __u32                    id;
 115
 116         /* for bpf_prog types */
 117         __u8                     tag[BPF_TAG_SIZE];  // prog tag
 118 };
 119
 120 struct perf_record_cgroup {
 121         struct perf_event_header header;
 122         __u64                    id;
 123         char                     path[PATH_MAX];
 124 };
 125
 126 struct perf_record_text_poke_event {
 127         struct perf_event_header header;
 128         __u64                   addr;
 129         __u16                   old_len;
 130         __u16                   new_len;
 131         __u8                    bytes[];
 132 };
 133
 134 struct perf_record_sample {
 135         struct perf_event_header header;
 136         __u64                    array[];
 137 };
 138
 139 struct perf_record_switch {
 140         struct perf_event_header header;
 141         __u32                    next_prev_pid;
 142         __u32                    next_prev_tid;
 143 };
 144
 145 struct perf_record_header_attr {
 146         struct perf_event_header header;
 147         struct perf_event_attr   attr;
 148         __u64                    id[];
 149 };
 150
 151 enum {
 152         PERF_CPU_MAP__CPUS = 0,
 153         PERF_CPU_MAP__MASK = 1,
 154 };
 155
 156 struct cpu_map_entries {
 157         __u16                    nr;
 158         __u16                    cpu[];
 159 };
 160
 161 struct perf_record_record_cpu_map {
 162         __u16                    nr;
 163         __u16                    long_size;
 164         unsigned long            mask[];
 165 };
 166
 167 struct perf_record_cpu_map_data {
 168         __u16                    type;
 169         char                     data[];
 170 };
 171
 172 struct perf_record_cpu_map {
 173         struct perf_event_header         header;
 174         struct perf_record_cpu_map_data  data;
 175 };
 176
 177 enum {
 178         PERF_EVENT_UPDATE__UNIT  = 0,
 179         PERF_EVENT_UPDATE__SCALE = 1,
 180         PERF_EVENT_UPDATE__NAME  = 2,
 181         PERF_EVENT_UPDATE__CPUS  = 3,
 182 };
 183
 184 struct perf_record_event_update_cpus {
 185         struct perf_record_cpu_map_data  cpus;
 186 };
 187
 188 struct perf_record_event_update_scale {
 189         double                   scale;
 190 };
 191
 192 struct perf_record_event_update {
 193         struct perf_event_header header;
 194         __u64                    type;
 195         __u64                    id;
 196         char                     data[];
 197 };
 198
 199 #define MAX_EVENT_NAME 64
 200
 201 struct perf_trace_event_type {
 202         __u64                    event_id;
 203         char                     name[MAX_EVENT_NAME];
 204 };
 205
 206 struct perf_record_header_event_type {
 207         struct perf_event_header         header;
 208         struct perf_trace_event_type     event_type;
 209 };
 210
 211 struct perf_record_header_tracing_data {
 212         struct perf_event_header header;
 213         __u32                    size;
 214 };
 215
 216 #define PERF_RECORD_MISC_BUILD_ID_SIZE (1 << 15)
 217
 218 struct perf_record_header_build_id {
 219         struct perf_event_header header;
 220         pid_t                    pid;
 221         union {
 222                 __u8             build_id[24];
 223                 struct {
 224                         __u8     data[20];
 225                         __u8     size;
 226                         __u8     reserved1__;
 227                         __u16    reserved2__;
 228                 };
 229         };
 230         char                     filename[];
 231 };
 232
 233 struct id_index_entry {
 234         __u64                    id;
 235         __u64                    idx;
 236         __u64                    cpu;
 237         __u64                    tid;
 238 };
 239
 240 struct perf_record_id_index {
 241         struct perf_event_header header;
 242         __u64                    nr;
 243         struct id_index_entry    entries[];
 244 };
 245
 246 struct perf_record_auxtrace_info {
 247         struct perf_event_header header;
 248         __u32                    type;
 249         __u32                    reserved__; /* For alignment */
 250         __u64                    priv[];
 251 };
 252
 253 struct perf_record_auxtrace {
 254         struct perf_event_header header;
 255         __u64                    size;
 256         __u64                    offset;
 257         __u64                    reference;
 258         __u32                    idx;
 259         __u32                    tid;
 260         __u32                    cpu;
 261         __u32                    reserved__; /* For alignment */
 262 };
 263
 264 #define MAX_AUXTRACE_ERROR_MSG 64
 265
 266 struct perf_record_auxtrace_error {
 267         struct perf_event_header header;
 268         __u32                    type;
 269         __u32                    code;
 270         __u32                    cpu;
 271         __u32                    pid;
 272         __u32                    tid;
 273         __u32                    fmt;
 274         __u64                    ip;
 275         __u64                    time;
 276         char                     msg[MAX_AUXTRACE_ERROR_MSG];
 277 };
 278
 279 struct perf_record_aux {
 280         struct perf_event_header header;
 281         __u64                    aux_offset;
 282         __u64                    aux_size;
 283         __u64                    flags;
 284 };
 285
 286 struct perf_record_itrace_start {
 287         struct perf_event_header header;
 288         __u32                    pid;
 289         __u32                    tid;
 290 };
 291
 292 struct perf_record_aux_output_hw_id {
 293         struct perf_event_header header;
 294         __u64                   hw_id;
 295 };
 296
 297 struct perf_record_thread_map_entry {
 298         __u64                    pid;
 299         char                     comm[16];
 300 };
 301
 302 struct perf_record_thread_map {
 303         struct perf_event_header                 header;
 304         __u64                                    nr;
 305         struct perf_record_thread_map_entry      entries[];
 306 };
 307
 308 enum {
 309         PERF_STAT_CONFIG_TERM__AGGR_MODE        = 0,
 310         PERF_STAT_CONFIG_TERM__INTERVAL         = 1,
 311         PERF_STAT_CONFIG_TERM__SCALE            = 2,
 312         PERF_STAT_CONFIG_TERM__MAX              = 3,
 313 };
 314
 315 struct perf_record_stat_config_entry {
 316         __u64                    tag;
 317         __u64                    val;
 318 };
 319
 320 struct perf_record_stat_config {
 321         struct perf_event_header                 header;
 322         __u64                                    nr;
 323         struct perf_record_stat_config_entry     data[];
 324 };
 325
 326 struct perf_record_stat {
 327         struct perf_event_header header;
 328
 329         __u64                    id;
 330         __u32                    cpu;
 331         __u32                    thread;
 332
 333         union {
 334                 struct {
 335                         __u64    val;
 336                         __u64    ena;
 337                         __u64    run;
 338                 };
 339                 __u64            values[3];
 340         };
 341 };
 342
 343 struct perf_record_stat_round {
 344         struct perf_event_header header;
 345         __u64                    type;
 346         __u64                    time;
 347 };
 348
 349 struct perf_record_time_conv {
 350         struct perf_event_header header;
 351         __u64                    time_shift;
 352         __u64                    time_mult;
 353         __u64                    time_zero;
 354         __u64                    time_cycles;
 355         __u64                    time_mask;
 356         __u8                     cap_user_time_zero;
 357         __u8                     cap_user_time_short;
 358         __u8                     reserved[6];   /* For alignment */
 359 };
 360
 361 struct perf_record_header_feature {
 362         struct perf_event_header header;
 363         __u64                    feat_id;
 364         char                     data[];
 365 };
 366
 367 struct perf_record_compressed {
 368         struct perf_event_header header;
 369         char                     data[];
 370 };
 371
 372 enum perf_user_event_type { /* above any possible kernel type */
 373         PERF_RECORD_USER_TYPE_START             = 64,
 374         PERF_RECORD_HEADER_ATTR                 = 64,
 375         PERF_RECORD_HEADER_EVENT_TYPE           = 65, /* deprecated */
 376         PERF_RECORD_HEADER_TRACING_DATA         = 66,
 377         PERF_RECORD_HEADER_BUILD_ID             = 67,
 378         PERF_RECORD_FINISHED_ROUND              = 68,
 379         PERF_RECORD_ID_INDEX                    = 69,
 380         PERF_RECORD_AUXTRACE_INFO               = 70,
 381         PERF_RECORD_AUXTRACE                    = 71,
 382         PERF_RECORD_AUXTRACE_ERROR              = 72,
 383         PERF_RECORD_THREAD_MAP                  = 73,
 384         PERF_RECORD_CPU_MAP                     = 74,
 385         PERF_RECORD_STAT_CONFIG                 = 75,
 386         PERF_RECORD_STAT                        = 76,
 387         PERF_RECORD_STAT_ROUND                  = 77,
 388         PERF_RECORD_EVENT_UPDATE                = 78,
 389         PERF_RECORD_TIME_CONV                   = 79,
 390         PERF_RECORD_HEADER_FEATURE              = 80,
 391         PERF_RECORD_COMPRESSED                  = 81,
 392         PERF_RECORD_HEADER_MAX
 393 };
 394
 395 union perf_event {
 396         struct perf_event_header                header;
 397         struct perf_record_mmap                 mmap;
 398         struct perf_record_mmap2                mmap2;
 399         struct perf_record_comm                 comm;
 400         struct perf_record_namespaces           namespaces;
 401         struct perf_record_cgroup               cgroup;
 402         struct perf_record_fork                 fork;
 403         struct perf_record_lost                 lost;
 404         struct perf_record_lost_samples         lost_samples;
 405         struct perf_record_read                 read;
 406         struct perf_record_throttle             throttle;
 407         struct perf_record_sample               sample;
 408         struct perf_record_bpf_event            bpf;
 409         struct perf_record_ksymbol              ksymbol;
 410         struct perf_record_text_poke_event      text_poke;
 411         struct perf_record_header_attr          attr;
 412         struct perf_record_event_update         event_update;
 413         struct perf_record_header_event_type    event_type;
 414         struct perf_record_header_tracing_data  tracing_data;
 415         struct perf_record_header_build_id      build_id;
 416         struct perf_record_id_index             id_index;
 417         struct perf_record_auxtrace_info        auxtrace_info;
 418         struct perf_record_auxtrace             auxtrace;
 419         struct perf_record_auxtrace_error       auxtrace_error;
 420         struct perf_record_aux                  aux;
 421         struct perf_record_itrace_start         itrace_start;
 422         struct perf_record_aux_output_hw_id     aux_output_hw_id;
 423         struct perf_record_switch               context_switch;
 424         struct perf_record_thread_map           thread_map;
 425         struct perf_record_cpu_map              cpu_map;
 426         struct perf_record_stat_config          stat_config;
 427         struct perf_record_stat                 stat;
 428         struct perf_record_stat_round           stat_round;
 429         struct perf_record_time_conv            time_conv;
 430         struct perf_record_header_feature       feat;
 431         struct perf_record_compressed           pack;
 432 };
 433
 434 #endif /* __LIBPERF_EVENT_H */