DepSurf

Function: ring_buffer_read_page

Status

Regular

• In 4.4: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811498f0)
  Location: kernel/trace/ring_buffer.c:4477
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811498f0-ffffffff81149cdd: ring_buffer_read_page (STB_GLOBAL)
  

• In 4.8: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81152720)
  Location: kernel/trace/ring_buffer.c:4472
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81152720-ffffffff81152b0f: ring_buffer_read_page (STB_GLOBAL)
  

• In 4.10: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8115c750)
  Location: kernel/trace/ring_buffer.c:4441
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff8115c750-ffffffff8115cb45: ring_buffer_read_page (STB_GLOBAL)
  

• In 4.13: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8115f7b0)
  Location: kernel/trace/ring_buffer.c:4492
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff8115f7b0-ffffffff8115fb95: ring_buffer_read_page (STB_GLOBAL)
  

• In 4.15: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8116c870)
  Location: kernel/trace/ring_buffer.c:4490
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff8116c870-ffffffff8116cc65: ring_buffer_read_page (STB_GLOBAL)
  

• In 4.18: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8117b830)
  Location: kernel/trace/ring_buffer.c:4652
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff8117b830-ffffffff8117bc2a: ring_buffer_read_page (STB_GLOBAL)
  

• In 5.0: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81188910)
  Location: kernel/trace/ring_buffer.c:4721
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81188910-ffffffff81188d2d: ring_buffer_read_page (STB_GLOBAL)
  

• In 5.3: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811960a0)
  Location: kernel/trace/ring_buffer.c:4699
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811960a0-ffffffff811964c2: ring_buffer_read_page (STB_GLOBAL)
  

• In 5.4: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811a1a70)
  Location: kernel/trace/ring_buffer.c:4700
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811a1a70-ffffffff811a1e92: ring_buffer_read_page (STB_GLOBAL)
  

• In 5.8: ✅

  int ring_buffer_read_page(struct trace_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811b7a90)
  Location: kernel/trace/ring_buffer.c:4792
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811b7a90-ffffffff811b7eda: ring_buffer_read_page (STB_GLOBAL)
  

• In 5.11: ✅

  int ring_buffer_read_page(struct trace_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811b5650)
  Location: kernel/trace/ring_buffer.c:5402
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811b5650-ffffffff811b5a9a: ring_buffer_read_page (STB_GLOBAL)
  

• In 5.13: ✅

  int ring_buffer_read_page(struct trace_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811b6f30)
  Location: kernel/trace/ring_buffer.c:5511
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811b6f30-ffffffff811b7378: ring_buffer_read_page (STB_GLOBAL)
  

• In 5.15: ✅

  int ring_buffer_read_page(struct trace_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811e1120)
  Location: kernel/trace/ring_buffer.c:5516
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811e1120-ffffffff811e1557: ring_buffer_read_page (STB_GLOBAL)
  

• In 5.19: ✅

  int ring_buffer_read_page(struct trace_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81217e30)
  Location: kernel/trace/ring_buffer.c:5558
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81217e30-ffffffff812182a7: ring_buffer_read_page (STB_GLOBAL)
  

• In 6.2: ✅

  int ring_buffer_read_page(struct trace_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81261360)
  Location: kernel/trace/ring_buffer.c:5670
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81261360-ffffffff812617ec: ring_buffer_read_page (STB_GLOBAL)
  

• In 6.5: ✅

  int ring_buffer_read_page(struct trace_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff812783f0)
  Location: kernel/trace/ring_buffer.c:5702
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff812783f0-ffffffff8127886e: ring_buffer_read_page (STB_GLOBAL)
  

• In 6.8: ✅

  int ring_buffer_read_page(struct trace_buffer *buffer, struct buffer_data_read_page *data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81292ef0)
  Location: kernel/trace/ring_buffer.c:5637
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81292ef0-ffffffff8129331f: ring_buffer_read_page (STB_GLOBAL)
  

Arch

• In arm64: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffff800010218d78)
  Location: kernel/trace/ring_buffer.c:4700
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffff800010218d78-ffff8000102191c4: ring_buffer_read_page (STB_GLOBAL)
  

• In armhf: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (c045a908)
  Location: kernel/trace/ring_buffer.c:4700
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  c045a908-c045acfc: ring_buffer_read_page (STB_GLOBAL)
  

• In ppc64el: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (c00000000029eca0)
  Location: kernel/trace/ring_buffer.c:4700
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  c00000000029eca0-c00000000029f1dc: ring_buffer_read_page (STB_GLOBAL)
  

• In riscv64: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffe000179ac4)
  Location: kernel/trace/ring_buffer.c:4700
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffe000179ac4-ffffffe000179e32: ring_buffer_read_page (STB_GLOBAL)
  

Flavor

• In aws: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8119a090)
  Location: kernel/trace/ring_buffer.c:4700
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff8119a090-ffffffff8119a4b2: ring_buffer_read_page (STB_GLOBAL)
  

• In azure: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8118d110)
  Location: kernel/trace/ring_buffer.c:4700
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff8118d110-ffffffff8118d532: ring_buffer_read_page (STB_GLOBAL)
  

• In gcp: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81197e60)
  Location: kernel/trace/ring_buffer.c:4700
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff81197e60-ffffffff81198282: ring_buffer_read_page (STB_GLOBAL)
  

• In lowlatency: ✅

  int ring_buffer_read_page(struct ring_buffer *buffer, void **data_page, size_t len, int cpu, int full);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811a5a90)
  Location: kernel/trace/ring_buffer.c:4700
  Inline: False
  Direct callers:
    - kernel/trace/trace.c:tracing_buffers_splice_read
    - kernel/trace/trace.c:tracing_buffers_read
  

  Symbols:

  ffffffff811a5a90-ffffffff811a5eb2: ring_buffer_read_page (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 ⚠️

  • Param type changed. struct ring_buffer *buffer ➡️ struct trace_buffer *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 ✅
• Changed between 6.5 and 6.8 ⚠️

  • Param type changed. void **data_page ➡️ struct buffer_data_read_page *data_page

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 ✅