website-function

Function: btf_find_field

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: Absent ⚠️
• In 5.0: Absent ⚠️
• In 5.3: Absent ⚠️
• In 5.4: Absent ⚠️
• In 5.8: Absent ⚠️
• In 5.11: Absent ⚠️
• In 5.13: Absent ⚠️
• In 5.15: ✅

  int btf_find_field(const struct btf *btf, const struct btf_type *t, const char *name, int sz, int align);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff81261ff0)
  Location: kernel/bpf/btf.c:3106
  Inline: False
  Direct callers:
    - kernel/bpf/btf.c:btf_find_timer
    - kernel/bpf/btf.c:btf_find_spin_lock
  

  Symbols:

  ffffffff81261ff0-ffffffff812622ed: btf_find_field (STB_LOCAL)
  

• In 5.19: ✅

  int btf_find_field(const struct btf *btf, const struct btf_type *t, enum btf_field_type field_type, struct btf_field_info *info, int info_cnt);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff812b2b10)
  Location: kernel/bpf/btf.c:3351
  Inline: False
  Direct callers:
    - kernel/bpf/btf.c:btf_parse_kptrs
    - kernel/bpf/btf.c:btf_find_timer
    - kernel/bpf/btf.c:btf_find_spin_lock
  

  Symbols:

  ffffffff812b2b10-ffffffff812b2f6a: btf_find_field (STB_LOCAL)
  

• In 6.2: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff813190c3)
  Location: kernel/bpf/btf.c:3514
  Inline: True
  Inline callers:
    - kernel/bpf/btf.c:btf_parse_fields
  

• In 6.5: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff81349214)
  Location: kernel/bpf/btf.c:3552
  Inline: True
  Inline callers:
    - kernel/bpf/btf.c:btf_parse_fields
  

• In 6.8: Full Inline ⚠️

  Collision: Unique Static

  Inline: Full

  Transformation: False

  Instances:

  In kernel/bpf/btf.c (ffffffff8136f944)
  Location: kernel/bpf/btf.c:3562
  Inline: True
  Inline callers:
    - kernel/bpf/btf.c:btf_parse_fields
  

Arch

• In arm64: Absent ⚠️
• In armhf: Absent ⚠️
• In ppc64el: Absent ⚠️
• In riscv64: Absent ⚠️

Flavor

• In aws: Absent ⚠️
• In azure: Absent ⚠️
• In gcp: Absent ⚠️
• In lowlatency: Absent ⚠️

Differences

Regular

• Changed between 5.15 and 5.19 ⚠️

  • Param added. enum btf_field_type field_type
  • Param added. struct btf_field_info *info
  • Param added. int info_cnt
  • Param removed. const char *name
  • Param removed. int sz
  • Param removed. int align