website-function

Function: rb_alloc

Status

Regular

• In 4.4: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff81185d70)
  Location: kernel/events/ring_buffer.c:622
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff81185d70-ffffffff81185ee6: rb_alloc (STB_GLOBAL)
  

• In 4.8: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff81198030)
  Location: kernel/events/ring_buffer.c:693
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff81198030-ffffffff811981a8: rb_alloc (STB_GLOBAL)
  

• In 4.10: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff811a7a10)
  Location: kernel/events/ring_buffer.c:693
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff811a7a10-ffffffff811a7b88: rb_alloc (STB_GLOBAL)
  

• In 4.13: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff811af1b0)
  Location: kernel/events/ring_buffer.c:705
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff811af1b0-ffffffff811af318: rb_alloc (STB_GLOBAL)
  

• In 4.15: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff811c2d70)
  Location: kernel/events/ring_buffer.c:716
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff811c2d70-ffffffff811c2ed8: rb_alloc (STB_GLOBAL)
  

• In 4.18: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff811e3100)
  Location: kernel/events/ring_buffer.c:718
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff811e3100-ffffffff811e3248: rb_alloc (STB_GLOBAL)
  

• In 5.0: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff811f3590)
  Location: kernel/events/ring_buffer.c:728
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff811f3590-ffffffff811f3706: rb_alloc (STB_GLOBAL)
  

• In 5.3: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff8120b280)
  Location: kernel/events/ring_buffer.c:757
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff8120b280-ffffffff8120b3f8: rb_alloc (STB_GLOBAL)
  

• In 5.4: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff81218560)
  Location: kernel/events/ring_buffer.c:757
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff81218560-ffffffff812186d8: rb_alloc (STB_GLOBAL)
  

• In 5.8: ✅

  struct perf_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff812440c0)
  Location: kernel/events/ring_buffer.c:801
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff812440c0-ffffffff812442aa: rb_alloc (STB_GLOBAL)
  

• In 5.11: ✅

  struct perf_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff8124e750)
  Location: kernel/events/ring_buffer.c:803
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff8124e750-ffffffff8124e952: rb_alloc (STB_GLOBAL)
  

• In 5.13: ✅

  struct perf_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff81253050)
  Location: kernel/events/ring_buffer.c:805
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff81253050-ffffffff8125326f: rb_alloc (STB_GLOBAL)
  

• In 5.15: ✅

  struct perf_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff8128e940)
  Location: kernel/events/ring_buffer.c:805
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff8128e940-ffffffff8128eb84: rb_alloc (STB_GLOBAL)
  

• In 5.19: ✅

  struct perf_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff812e3830)
  Location: kernel/events/ring_buffer.c:805
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff812e3830-ffffffff812e3a76: rb_alloc (STB_GLOBAL)
  

• In 6.2: ✅

  struct perf_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff8134bee0)
  Location: kernel/events/ring_buffer.c:808
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff8134bee0-ffffffff8134c126: rb_alloc (STB_GLOBAL)
  

• In 6.5: ✅

  struct perf_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff8137cf30)
  Location: kernel/events/ring_buffer.c:808
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff8137cf30-ffffffff8137d176: rb_alloc (STB_GLOBAL)
  

• In 6.8: ✅

  struct perf_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff813a6190)
  Location: kernel/events/ring_buffer.c:815
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff813a6190-ffffffff813a63d6: rb_alloc (STB_GLOBAL)
  

Arch

• In arm64: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffff8000102a2fc8)
  Location: kernel/events/ring_buffer.c:757
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffff8000102a2fc8-ffff8000102a3170: rb_alloc (STB_GLOBAL)
  

• In armhf: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (c04d2b78)
  Location: kernel/events/ring_buffer.c:866
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  c04d2b78-c04d2c98: rb_alloc (STB_GLOBAL)
  

• In ppc64el: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (c000000000355380)
  Location: kernel/events/ring_buffer.c:757
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  c000000000355380-c000000000355600: rb_alloc (STB_GLOBAL)
  

• In riscv64: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffe0001d1880)
  Location: kernel/events/ring_buffer.c:757
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffe0001d1880-ffffffe0001d19ee: rb_alloc (STB_GLOBAL)
  

Flavor

• In aws: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff81210bb0)
  Location: kernel/events/ring_buffer.c:757
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff81210bb0-ffffffff81210d28: rb_alloc (STB_GLOBAL)
  

• In azure: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff81203940)
  Location: kernel/events/ring_buffer.c:757
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff81203940-ffffffff81203ab8: rb_alloc (STB_GLOBAL)
  

• In gcp: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff8120e950)
  Location: kernel/events/ring_buffer.c:757
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff8120e950-ffffffff8120eac8: rb_alloc (STB_GLOBAL)
  

• In lowlatency: ✅

  struct ring_buffer *rb_alloc(int nr_pages, long int watermark, int cpu, int flags);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/ring_buffer.c (ffffffff8121d860)
  Location: kernel/events/ring_buffer.c:757
  Inline: False
  Direct callers:
    - kernel/events/core.c:perf_mmap
  

  Symbols:

  ffffffff8121d860-ffffffff8121d9d8: rb_alloc (STB_GLOBAL)
  

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 ✅
• Changed between 5.4 and 5.8 ⚠️

  • Return type changed. struct ring_buffer * ➡️ struct perf_buffer *
• No changes between 5.8 and 5.11 ✅
• 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 ✅