tracing · Maintained

Maintainers

• M Steven Rostedt <rostedt@goodmis.org>
• M Masami Hiramatsu <mhiramat@kernel.org>
• R Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

Paths

• F Documentation/core-api/tracepoint.rst
• F Documentation/trace/*
• F fs/tracefs/
• F include/linux/trace*.h
• F include/trace/
• F kernel/trace/
• F kernel/tracepoint.c
• F scripts/tracing/
• F scripts/tracepoint-update.c
• F tools/testing/selftests/ftrace/

Last 30 days

Active reviewers (last 30 days)

• Ben Cressey <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-09-04
• Florent Revest (Anthropic) <hidden>
  1 attestation (1 Reviewed-by) · last on 2026-09-04

Recent patches

Most-recent 30 patches in this subsystem on live-patching (capped at 30), ordered by date desc.

• COOLING9d REVIEWED: 2 (0M) [PATCH RFC 1/8] ftrace: Let ftrace_call_adjust() reject a patch site
  2026-09-04 · Jose Fernandez (Anthropic) <hidden>
• COLD23d [RFC PATCH bpf-next v3 1/2] ftrace: deprecate disabling via ftrace_enabled sysctl
  2026-08-06 · Andrey Grodzovsky <hidden>
• COLD42d [RFC PATCH bpf-next v2 1/2] ftrace: deprecate disabling via ftrace_enabled sysctl
  2026-07-31 · Andrey Grodzovsky <hidden>
• COLD49d [RFC PATCH bpf-next 1/2] ftrace: deprecate disabling via ftrace_enabled sysctl
  2026-07-30 · Andrey Grodzovsky <hidden>
• STALE79d [PATCH v3 5/7] kernel: Use mutable list iterators
  2026-06-22 · Kaitao Cheng <hidden>
• STALE98d REVIEWED: 17 (17M) [PATCH v4] rethook: Remove the running task check in rethook_find_ret_addr()
  2026-06-10 · Tengda Wu <hidden>
• STALE156d [RFC PATCH 2/4] trace: Allow kprobes to override livepatched functions
  2026-04-02 · Yafang Shao <hidden>
• STALE156d [RFC PATCH 1/4] trace: Simplify kprobe overridable function check
  2026-04-02 · Yafang Shao <hidden>
• STALE318d LANDED: 3 (3M) [PATCH v4 bpf 2/3] ftrace: bpf: Fix IPMODIFY + DIRECT in modify_ftrace_direct()
  2025-10-27 · Song Liu <song@kernel.org>
• STALE318d LANDED: 3 (3M) [PATCH v4 bpf 1/3] ftrace: Fix BPF fexit with livepatch
  2025-10-27 · Song Liu <song@kernel.org>
• STALE325d Re: [PATCH v3 bpf 1/3] ftrace: Fix BPF fexit with livepatch
  2025-10-27 · Steven Rostedt <rostedt@goodmis.org>
• STALE325d [PATCH v3 bpf 2/3] ftrace: bpf: Fix IPMODIFY + DIRECT in modify_ftrace_direct()
  2025-10-26 · Song Liu <song@kernel.org>
• STALE325d [PATCH v3 bpf 1/3] ftrace: Fix BPF fexit with livepatch
  2025-10-26 · Song Liu <song@kernel.org>
• STALE326d [PATCH v2 bpf 2/3] ftrace: bpf: Fix IPMODIFY + DIRECT in modify_ftrace_direct()
  2025-10-24 · Song Liu <song@kernel.org>
• STALE326d [PATCH v2 bpf 1/3] ftrace: Fix BPF fexit with livepatch
  2025-10-24 · Song Liu <song@kernel.org>
• STALE328d Re: [PATCH bpf-next 2/3] ftrace: bpf: Fix IPMODIFY + DIRECT in modify_ftrace_direct()
  2025-10-24 · Steven Rostedt <rostedt@goodmis.org>
• STALE328d [PATCH bpf-next 2/3] ftrace: bpf: Fix IPMODIFY + DIRECT in modify_ftrace_direct()
  2025-10-24 · Song Liu <song@kernel.org>
• STALE328d [PATCH bpf-next 1/3] ftrace: Fix BPF fexit with livepatch
  2025-10-24 · Song Liu <song@kernel.org>
• STALE601d REVIEWED: 2 (2M) [PATCH v2 06/10] module: introduce MODULE_STATE_GONE
  2025-01-21 · Mike Rapoport <rppt@kernel.org>
• STALE318d LANDED: 21 (21M) [PATCH v3 06/28] module: Use RCU in find_module_all().
  2025-01-08 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• STALE612d [PATCH 5/8] module: introduce MODULE_STATE_GONE
  2024-12-27 · Mike Rapoport <rppt@kernel.org>
• STALE618d [PATCH v2 06/28] module: Use RCU in find_module_all().
  2024-12-20 · Sebastian Andrzej Siewior <bigeasy@linutronix.de>
• STALE769d [PATCH v2 3/3] tracing/kprobes: Use APIs that matches symbols without .XXX suffix
  2024-08-02 · Song Liu <song@kernel.org>
• STALE773d [PATCH 3/3] tracing/kprobes: Use APIs that matches symbols with .llvm.<hash> suffix
  2024-07-30 · Song Liu <song@kernel.org>
• STALE1278d [PATCH] kallsyms: Delete an unused parameter related to {module_}kallsyms_on_each_symbol()
  2023-03-08 · Zhen Lei <hidden>
• STALE1337d LANDED [PATCHv3 bpf-next 3/3] bpf: Change modules resolving for kprobe multi link
  2023-01-16 · Jiri Olsa <jolsa@kernel.org>
• STALE1337d LANDED: 7 (7M) [PATCHv3 bpf-next 1/3] livepatch: Improve the search performance of module_kallsyms_on_each_symbol()
  2023-01-16 · Jiri Olsa <jolsa@kernel.org>
• STALE1341d [PATCHv2 bpf-next 3/3] bpf: Change modules resolving for kprobe multi link
  2023-01-13 · Jiri Olsa <jolsa@kernel.org>
• STALE1341d REVIEWED: 4 (4M) [PATCHv2 bpf-next 1/3] livepatch: Improve the search performance of module_kallsyms_on_each_symbol()
  2023-01-13 · Jiri Olsa <jolsa@kernel.org>
• STALE1346d Re: [PATCH 2/3] bpf: Optimize get_modules_for_addrs()
  2023-01-06 · Jiri Olsa <hidden>

Needs attention (review trailers in, no pickup)

Patches with review trailers that haven't landed in mainline and haven't been Acked by a maintainer. Oldest first.

• COOLING9d REVIEWED: 2 (0M) [PATCH RFC 1/8] ftrace: Let ftrace_call_adjust() reject a patch site
  2026-09-04 · Jose Fernandez (Anthropic) <hidden> · 2 Reviewed-by