DepSurf

Function: rb_allocate_cpu_buffer

Status

Regular

• In 4.4: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81149ce0)
  Location: kernel/trace/ring_buffer.c:1205
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:rb_cpu_notify
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff81149ce0-ffffffff81149fc2: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 4.8: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811506f0)
  Location: kernel/trace/ring_buffer.c:1196
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:rb_cpu_notify
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff811506f0-ffffffff811509cc: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 4.10: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8115b850)
  Location: kernel/trace/ring_buffer.c:1194
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff8115b850-ffffffff8115bb26: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 4.13: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8115e790)
  Location: kernel/trace/ring_buffer.c:1196
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff8115e790-ffffffff8115ea23: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 4.15: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8116b790)
  Location: kernel/trace/ring_buffer.c:1199
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff8116b790-ffffffff8116ba23: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 4.18: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8117ac00)
  Location: kernel/trace/ring_buffer.c:1260
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff8117ac00-ffffffff8117aea0: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 5.0: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81187670)
  Location: kernel/trace/ring_buffer.c:1308
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff81187670-ffffffff81187910: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 5.3: Transformation ⚠️

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: True

  Instances:

  In kernel/trace/ring_buffer.c (0)
  Location: kernel/trace/ring_buffer.c:1285
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff81194b90-ffffffff81194e44: rb_allocate_cpu_buffer (STB_LOCAL)
  ffffffff8119711d-ffffffff81197134: rb_allocate_cpu_buffer.cold (STB_LOCAL)
  

• In 5.4: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811a0650)
  Location: kernel/trace/ring_buffer.c:1286
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff811a0650-ffffffff811a090b: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 5.8: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct trace_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811b6c30)
  Location: kernel/trace/ring_buffer.c:1288
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff811b6c30-ffffffff811b6eeb: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 5.11: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct trace_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811b47d0)
  Location: kernel/trace/ring_buffer.c:1535
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff811b47d0-ffffffff811b4aa1: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 5.13: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct trace_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811b3b90)
  Location: kernel/trace/ring_buffer.c:1618
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff811b3b90-ffffffff811b3e61: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 5.15: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct trace_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811ddb40)
  Location: kernel/trace/ring_buffer.c:1618
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff811ddb40-ffffffff811dde71: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 5.19: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct trace_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81214c90)
  Location: kernel/trace/ring_buffer.c:1654
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff81214c90-ffffffff81214fb7: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 6.2: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct trace_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8125e350)
  Location: kernel/trace/ring_buffer.c:1716
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff8125e350-ffffffff8125e67c: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 6.5: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct trace_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81275530)
  Location: kernel/trace/ring_buffer.c:1710
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff81275530-ffffffff8127585c: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In 6.8: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct trace_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8128fbe0)
  Location: kernel/trace/ring_buffer.c:1541
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff8128fbe0-ffffffff8128ff1f: rb_allocate_cpu_buffer (STB_LOCAL)
  

Arch

• In arm64: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffff800010219e70)
  Location: kernel/trace/ring_buffer.c:1286
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffff800010219e70-ffff80001021a0e8: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In armhf: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (c0457384)
  Location: kernel/trace/ring_buffer.c:1286
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  c0457384-c04575b0: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In ppc64el: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (c00000000029bf30)
  Location: kernel/trace/ring_buffer.c:1286
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  c00000000029bf30-c00000000029c258: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In riscv64: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffe000177c2a)
  Location: kernel/trace/ring_buffer.c:1286
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffe000177c2a-ffffffe000177e02: rb_allocate_cpu_buffer (STB_LOCAL)
  

Flavor

• In aws: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81198c70)
  Location: kernel/trace/ring_buffer.c:1286
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff81198c70-ffffffff81198f2b: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In azure: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff8118c4b0)
  Location: kernel/trace/ring_buffer.c:1286
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff8118c4b0-ffffffff8118c76b: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In gcp: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff81196a40)
  Location: kernel/trace/ring_buffer.c:1286
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff81196a40-ffffffff81196cfb: rb_allocate_cpu_buffer (STB_LOCAL)
  

• In lowlatency: ✅

  struct ring_buffer_per_cpu *rb_allocate_cpu_buffer(struct ring_buffer *buffer, long int nr_pages, int cpu);
  

  Collision: Unique Static

  Inline: No

  Transformation: False

  Instances:

  In kernel/trace/ring_buffer.c (ffffffff811a4650)
  Location: kernel/trace/ring_buffer.c:1286
  Inline: False
  Direct callers:
    - kernel/trace/ring_buffer.c:trace_rb_cpu_prepare
    - kernel/trace/ring_buffer.c:__ring_buffer_alloc
  

  Symbols:

  ffffffff811a4650-ffffffff811a490b: rb_allocate_cpu_buffer (STB_LOCAL)
  

Differences

Regular

• Changed between 4.4 and 4.8 ⚠️

  • Param type changed. int nr_pages ➡️ long int nr_pages
• 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 ✅
• 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 ✅