website-function

Function: get_perf_callchain

Status

Regular

• In 4.4: Absent ⚠️
• In 4.8: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff81198530)
  Location: kernel/events/callchain.c:195
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/callchain.c:perf_callchain
  

  Symbols:

  ffffffff81198530-ffffffff81198753: get_perf_callchain (STB_GLOBAL)
  

• In 4.10: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff811a7f10)
  Location: kernel/events/callchain.c:195
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/callchain.c:perf_callchain
  

  Symbols:

  ffffffff811a7f10-ffffffff811a8133: get_perf_callchain (STB_GLOBAL)
  

• In 4.13: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff811af660)
  Location: kernel/events/callchain.c:197
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/callchain.c:perf_callchain
  

  Symbols:

  ffffffff811af660-ffffffff811af8f7: get_perf_callchain (STB_GLOBAL)
  

• In 4.15: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff811c31f0)
  Location: kernel/events/callchain.c:197
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/callchain.c:perf_callchain
  

  Symbols:

  ffffffff811c31f0-ffffffff811c349d: get_perf_callchain (STB_GLOBAL)
  

• In 4.18: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff811e3590)
  Location: kernel/events/callchain.c:179
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff811e3590-ffffffff811e37fe: get_perf_callchain (STB_GLOBAL)
  

• In 5.0: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff811f3a50)
  Location: kernel/events/callchain.c:179
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff811f3a50-ffffffff811f3ccc: get_perf_callchain (STB_GLOBAL)
  

• In 5.3: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff8120b740)
  Location: kernel/events/callchain.c:178
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff8120b740-ffffffff8120b9b0: get_perf_callchain (STB_GLOBAL)
  

• In 5.4: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff81218a20)
  Location: kernel/events/callchain.c:178
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff81218a20-ffffffff81218c90: get_perf_callchain (STB_GLOBAL)
  

• In 5.8: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff81244760)
  Location: kernel/events/callchain.c:178
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff81244760-ffffffff8124496b: get_perf_callchain (STB_GLOBAL)
  

• In 5.11: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff8124ee20)
  Location: kernel/events/callchain.c:180
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:__bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff8124ee20-ffffffff8124efbc: get_perf_callchain (STB_GLOBAL)
  

• In 5.13: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff81253730)
  Location: kernel/events/callchain.c:180
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:__bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff81253730-ffffffff812538cc: get_perf_callchain (STB_GLOBAL)
  

• In 5.15: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff8128f070)
  Location: kernel/events/callchain.c:180
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:__bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff8128f070-ffffffff8128f20c: get_perf_callchain (STB_GLOBAL)
  

• In 5.19: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff812e3fd0)
  Location: kernel/events/callchain.c:180
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:__bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff812e3fd0-ffffffff812e419d: get_perf_callchain (STB_GLOBAL)
  

• In 6.2: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff8134c720)
  Location: kernel/events/callchain.c:180
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:__bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff8134c720-ffffffff8134c8ed: get_perf_callchain (STB_GLOBAL)
  

• In 6.5: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff8137d770)
  Location: kernel/events/callchain.c:180
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:__bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff8137d770-ffffffff8137d93e: get_perf_callchain (STB_GLOBAL)
  

• In 6.8: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff813a69d0)
  Location: kernel/events/callchain.c:180
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:__bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff813a69d0-ffffffff813a6b9e: get_perf_callchain (STB_GLOBAL)
  

Arch

• In arm64: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffff8000102a37e0)
  Location: kernel/events/callchain.c:178
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffff8000102a37e0-ffff8000102a3ae8: get_perf_callchain (STB_GLOBAL)
  

• In armhf: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (c04d2fe4)
  Location: kernel/events/callchain.c:178
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  c04d2fe4-c04d32cc: get_perf_callchain (STB_GLOBAL)
  

• In ppc64el: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (c000000000355c30)
  Location: kernel/events/callchain.c:178
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  c000000000355c30-c000000000355f8c: get_perf_callchain (STB_GLOBAL)
  

• In riscv64: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffe0001d1e16)
  Location: kernel/events/callchain.c:178
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffe0001d1e16-ffffffe0001d2024: get_perf_callchain (STB_GLOBAL)
  

Flavor

• In aws: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff81211070)
  Location: kernel/events/callchain.c:178
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff81211070-ffffffff812112e0: get_perf_callchain (STB_GLOBAL)
  

• In azure: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff81203e00)
  Location: kernel/events/callchain.c:178
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff81203e00-ffffffff81204070: get_perf_callchain (STB_GLOBAL)
  

• In gcp: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff8120ee10)
  Location: kernel/events/callchain.c:178
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff8120ee10-ffffffff8120f080: get_perf_callchain (STB_GLOBAL)
  

• In lowlatency: ✅

  struct perf_callchain_entry *get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user, u32 max_stack, bool crosstask, bool add_mark);
  

  Collision: Unique Global

  Inline: No

  Transformation: False

  Instances:

  In kernel/events/callchain.c (ffffffff8121dd20)
  Location: kernel/events/callchain.c:178
  Inline: False
  Direct callers:
    - kernel/bpf/stackmap.c:bpf_get_stack
    - kernel/bpf/stackmap.c:bpf_get_stackid
    - kernel/events/core.c:perf_callchain
  

  Symbols:

  ffffffff8121dd20-ffffffff8121df90: get_perf_callchain (STB_GLOBAL)
  

Differences

Regular

• 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 ✅
• No changes between 5.4 and 5.8 ✅
• 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 ✅