website-struct

Struct: perf_event_mmap_page

Status

Regular

• In 4.4: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 4.8: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 4.10: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 4.13: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 4.15: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 4.18: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 5.0: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 5.3: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 5.4: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 5.8: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 5.11: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_user_time_short;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u32 __reserved_1;
      __u64 time_cycles;
      __u64 time_mask;
      __u8 __reserved[928];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 5.13: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_user_time_short;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u32 __reserved_1;
      __u64 time_cycles;
      __u64 time_mask;
      __u8 __reserved[928];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 5.15: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_user_time_short;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u32 __reserved_1;
      __u64 time_cycles;
      __u64 time_mask;
      __u8 __reserved[928];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 5.19: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_user_time_short;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u32 __reserved_1;
      __u64 time_cycles;
      __u64 time_mask;
      __u8 __reserved[928];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 6.2: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_user_time_short;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u32 __reserved_1;
      __u64 time_cycles;
      __u64 time_mask;
      __u8 __reserved[928];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 6.5: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_user_time_short;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u32 __reserved_1;
      __u64 time_cycles;
      __u64 time_mask;
      __u8 __reserved[928];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In 6.8: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_user_time_short;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u32 __reserved_1;
      __u64 time_cycles;
      __u64 time_mask;
      __u8 __reserved[928];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

Arch

• In arm64: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In armhf: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In ppc64el: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In riscv64: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

Flavor

• In aws: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In azure: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In gcp: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

• In lowlatency: ✅

  struct perf_event_mmap_page {
      __u32 version;
      __u32 compat_version;
      __u32 lock;
      __u32 index;
      __s64 offset;
      __u64 time_enabled;
      __u64 time_running;
      __u64 capabilities;
      __u64 cap_bit0;
      __u64 cap_bit0_is_deprecated;
      __u64 cap_user_rdpmc;
      __u64 cap_user_time;
      __u64 cap_user_time_zero;
      __u64 cap_____res;
      __u16 pmc_width;
      __u16 time_shift;
      __u32 time_mult;
      __u64 time_offset;
      __u64 time_zero;
      __u32 size;
      __u8 __reserved[948];
      __u64 data_head;
      __u64 data_tail;
      __u64 data_offset;
      __u64 data_size;
      __u64 aux_head;
      __u64 aux_tail;
      __u64 aux_offset;
      __u64 aux_size;
  };
  

Differences

Regular

• No changes between 4.4 and 4.8 ✅
• No changes between 4.8 and 4.10 ✅
• No changes between 4.10 and 4.13 ✅
• No changes between 4.13 and 4.15 ✅
• No changes between 4.15 and 4.18 ✅
• No changes between 4.18 and 5.0 ✅
• No changes between 5.0 and 5.3 ✅
• No changes between 5.3 and 5.4 ✅
• No changes between 5.4 and 5.8 ✅
• Changed between 5.8 and 5.11 ⚠️

  • Field added. __u64 cap_user_time_short
  • Field added. __u32 __reserved_1
  • Field added. __u64 time_cycles
  • Field added. __u64 time_mask
  • Field type changed. __u8 __reserved[948] ➡️ __u8 __reserved[928]
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• No changes between 5.15 and 5.19 ✅
• No changes between 5.19 and 6.2 ✅
• No changes between 6.2 and 6.5 ✅
• No changes between 6.5 and 6.8 ✅

Arch

• No changes between amd64 and arm64 ✅
• No changes between amd64 and armhf ✅
• No changes between amd64 and ppc64el ✅
• No changes between amd64 and riscv64 ✅

Flavor

• No changes between generic and aws ✅
• No changes between generic and azure ✅
• No changes between generic and gcp ✅
• No changes between generic and lowlatency ✅