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