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

Recent patches

Most-recent 30 patches in this subsystem on b4-sent (capped at 30), ordered by date desc.

• COLD16d [PATCH v2 1/5] tracing: add ref_trace_final_put tracepoint
  2026-07-10 · Eugene Mavick via B4 Relay <devnull+m.mavick.dev@kernel.org>
• COLD19d [PATCH 1/4] tracing: add ref_trace_final_put tracepoint
  2026-07-05 · Eugene Mavick via B4 Relay <devnull+m.mavick.dev@kernel.org>
• WARM1d REVIEWED: 1 (1M) [PATCH v8 02/46] KVM: Rename KVM_GENERIC_MEMORY_ATTRIBUTES to KVM_VM_MEMORY_ATTRIBUTES
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• COLD30d REVIEWED: 1 (1M) [PATCH v7 02/42] KVM: Rename KVM_GENERIC_MEMORY_ATTRIBUTES to KVM_VM_MEMORY_ATTRIBUTES
  2026-05-23 · Ackerley Tng <hidden>
• COLD59d [PATCH v6 02/43] KVM: Rename KVM_GENERIC_MEMORY_ATTRIBUTES to KVM_VM_MEMORY_ATTRIBUTES
  2026-05-07 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• STALE61d [PATCH RFC] memcg: add per-cgroup dirty page controls (dirty_ratio, dirty_min)
  2026-05-01 · Alireza Haghdoost via B4 Relay <devnull+haghdoost.uber.com@kernel.org>
• WARM1d [PATCH RFC 31/32] mm: remove PG_workingset
  2026-05-01 · Kairui Song via B4 Relay <devnull+kasong.tencent.com@kernel.org>
• WARM1d [PATCH RFC 32/32] mm: remove PG_referenced
  2026-05-01 · Kairui Song via B4 Relay <devnull+kasong.tencent.com@kernel.org>
• STALE74d [PATCH RFC v5 02/53] KVM: Rename KVM_GENERIC_MEMORY_ATTRIBUTES to KVM_VM_MEMORY_ATTRIBUTES
  2026-04-28 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• STALE310d LANDED: 1 (0M) [PATCH v2 2/4] copy_process: pass clone_flags as u64 across calltree
  2025-09-01 · Simon Schuster via B4 Relay <devnull+schuster.simon.siemens-energy.com@kernel.org>
• STALE444d LANDED [PATCH v3 1/2] tracing: add missing trace_probe_log_clear for eprobes
  2025-05-04 · Paul Cacheux via B4 Relay <devnull+paulcacheux.gmail.com@kernel.org>
• STALE444d [PATCH v3 2/2] tracing: protect trace_probe_log with mutex
  2025-05-04 · Paul Cacheux via B4 Relay <devnull+paulcacheux.gmail.com@kernel.org>
• STALE442d [PATCH v2 2/2] tracing: protect trace_probe_log with mutex
  2025-05-02 · Paul Cacheux via B4 Relay <devnull+paulcacheux.gmail.com@kernel.org>
• STALE442d [PATCH v2 1/2] tracing: add missing trace_probe_log_clear for eprobes
  2025-05-02 · Paul Cacheux via B4 Relay <devnull+paulcacheux.gmail.com@kernel.org>
• STALE450d [PATCH] tracing: fix race when creating trace probe log error message
  2025-04-22 · Paul Cacheux via B4 Relay <devnull+paulcacheux.gmail.com@kernel.org>
• STALE409d [PATCH v2 1/2] sunrpc: implement rfc2203 rpcsec_gss seqnum cache
  2025-03-19 · Nikhil Jha via B4 Relay <devnull+njha.janestreet.com@kernel.org>
• STALE490d REVIEWED: 17 (17M) [PATCH v3 3/5] tracing: Move trace sysctls into trace.c
  2025-03-13 · Joel Granados <joel.granados@kernel.org>
• STALE490d [PATCH v3 4/5] stack_tracer: move sysctl registration to kernel/trace/trace_stack.c
  2025-03-13 · Joel Granados <joel.granados@kernel.org>
• STALE499d REVIEWED: 17 (17M) [PATCH v2 3/6] tracing: Move trace sysctls into trace.c
  2025-03-06 · Joel Granados <joel.granados@kernel.org>
• STALE499d [PATCH v2 4/6] stack_tracer: move sysctl registration to kernel/trace/trace_stack.c
  2025-03-06 · Joel Granados <joel.granados@kernel.org>
• STALE506d [PATCH 3/8] ftrace: Move trace sysctls into trace.c
  2025-02-18 · Joel Granados <joel.granados@kernel.org>
• STALE506d [PATCH 4/8] stack_tracer: move sysctl registration to kernel/trace/trace.c
  2025-02-18 · Joel Granados <joel.granados@kernel.org>
• STALE541d [PATCH bpf-next v2 3/7] bpf: Implement bpf_copy_from_user_dynptr helper
  2025-01-25 · Levi Zim via B4 Relay <devnull+rsworktech.outlook.com@kernel.org>
• STALE541d [PATCH bpf-next v2 1/7] bpf: Implement bpf_probe_read_kernel_dynptr helper
  2025-01-25 · Levi Zim via B4 Relay <devnull+rsworktech.outlook.com@kernel.org>
• STALE541d [PATCH bpf-next v2 2/7] bpf: Implement bpf_probe_read_user_dynptr helper
  2025-01-25 · Levi Zim via B4 Relay <devnull+rsworktech.outlook.com@kernel.org>
• DORMANTno replies [PATCH 3/7] bpf: Implement bpf_copy_from_user_dynptr helper
  2025-01-25 · Levi Zim via B4 Relay <devnull+rsworktech.outlook.com@kernel.org>
• DORMANTno replies [PATCH 1/7] bpf: Implement bpf_probe_read_kernel_dynptr helper
  2025-01-25 · Levi Zim via B4 Relay <devnull+rsworktech.outlook.com@kernel.org>
• DORMANTno replies [PATCH 2/7] bpf: Implement bpf_probe_read_user_dynptr helper
  2025-01-25 · Levi Zim via B4 Relay <devnull+rsworktech.outlook.com@kernel.org>
• STALE543d REVIEWED: 5 (3M) [PATCH v2] treewide: const qualify ctl_tables where applicable
  2025-01-10 · Joel Granados <joel.granados@kernel.org>
• STALE561d [PATCH] treewide: const qualify ctl_tables where applicable
  2025-01-09 · Joel Granados <joel.granados@kernel.org>

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.

• COLD30d REVIEWED: 1 (1M) [PATCH v7 02/42] KVM: Rename KVM_GENERIC_MEMORY_ATTRIBUTES to KVM_VM_MEMORY_ATTRIBUTES
  2026-05-23 · Ackerley Tng <hidden> · 1 Reviewed-by
• WARM1d REVIEWED: 1 (1M) [PATCH v8 02/46] KVM: Rename KVM_GENERIC_MEMORY_ATTRIBUTES to KVM_VM_MEMORY_ATTRIBUTES
  2026-06-19 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org> · 1 Reviewed-by

Quiet for 30+ days

Patches with no review trailers and no replies. Either the author is heads-down elsewhere or these slipped through. Oldest first.

• STALE74d [PATCH RFC v5 02/53] KVM: Rename KVM_GENERIC_MEMORY_ATTRIBUTES to KVM_VM_MEMORY_ATTRIBUTES
  2026-04-28 · Ackerley Tng via B4 Relay <devnull+ackerleytng.google.com@kernel.org>
• WARM1d [PATCH RFC 31/32] mm: remove PG_workingset
  2026-05-01 · Kairui Song via B4 Relay <devnull+kasong.tencent.com@kernel.org>
• WARM1d [PATCH RFC 32/32] mm: remove PG_referenced
  2026-05-01 · Kairui Song via B4 Relay <devnull+kasong.tencent.com@kernel.org>