website-struct

Struct: btf

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: Absent ⚠️
• In 4.10: Absent ⚠️
• In 4.13: Absent ⚠️
• In 4.15: Absent ⚠️
• In 4.18: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

• In 5.0: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

• In 5.3: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

• In 5.4: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

• In 5.8: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

• In 5.11: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
      struct btf *base_btf;
      u32 start_id;
      u32 start_str_off;
      char name[56];
      bool kernel_btf;
  };
  

• In 5.13: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
      struct btf *base_btf;
      u32 start_id;
      u32 start_str_off;
      char name[56];
      bool kernel_btf;
  };
  

• In 5.15: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
      struct btf *base_btf;
      u32 start_id;
      u32 start_str_off;
      char name[56];
      bool kernel_btf;
  };
  

• In 5.19: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
      struct btf_kfunc_set_tab *kfunc_set_tab;
      struct btf_id_dtor_kfunc_tab *dtor_kfunc_tab;
      struct btf *base_btf;
      u32 start_id;
      u32 start_str_off;
      char name[56];
      bool kernel_btf;
  };
  

• In 6.2: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
      struct btf_kfunc_set_tab *kfunc_set_tab;
      struct btf_id_dtor_kfunc_tab *dtor_kfunc_tab;
      struct btf_struct_metas *struct_meta_tab;
      struct btf *base_btf;
      u32 start_id;
      u32 start_str_off;
      char name[56];
      bool kernel_btf;
  };
  

• In 6.5: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
      struct btf_kfunc_set_tab *kfunc_set_tab;
      struct btf_id_dtor_kfunc_tab *dtor_kfunc_tab;
      struct btf_struct_metas *struct_meta_tab;
      struct btf *base_btf;
      u32 start_id;
      u32 start_str_off;
      char name[56];
      bool kernel_btf;
  };
  

• In 6.8: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
      struct btf_kfunc_set_tab *kfunc_set_tab;
      struct btf_id_dtor_kfunc_tab *dtor_kfunc_tab;
      struct btf_struct_metas *struct_meta_tab;
      struct btf *base_btf;
      u32 start_id;
      u32 start_str_off;
      char name[56];
      bool kernel_btf;
  };
  

Arch

• In arm64: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

• In armhf: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

• In ppc64el: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

• In riscv64: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

Flavor

• In aws: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

• In azure: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

• In gcp: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

• In lowlatency: ✅

  struct btf {
      void *data;
      struct btf_type **types;
      u32 *resolved_ids;
      u32 *resolved_sizes;
      const char *strings;
      void *nohdr_data;
      struct btf_header hdr;
      u32 nr_types;
      u32 types_size;
      u32 data_size;
      refcount_t refcnt;
      u32 id;
      struct callback_head rcu;
  };
  

Differences

Regular

• 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. struct btf *base_btf
  • Field added. u32 start_id
  • Field added. u32 start_str_off
  • Field added. char name[56]
  • Field added. bool kernel_btf
• No changes between 5.11 and 5.13 ✅
• No changes between 5.13 and 5.15 ✅
• Changed between 5.15 and 5.19 ⚠️

  • Field added. struct btf_kfunc_set_tab *kfunc_set_tab
  • Field added. struct btf_id_dtor_kfunc_tab *dtor_kfunc_tab
• Changed between 5.19 and 6.2 ⚠️

  • Field added. struct btf_struct_metas *struct_meta_tab
• 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 ✅