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

Most active threads (last 7 days)

• HOTtoday [PATCH v2 v2 0/7] ntfs3: add tracepoints for core filesystem paths
  2026-07-28 09:46 · 7 replies in 7d · Baolin Liu <hidden>
• WARM1d [PATCH 0/4] tracing/mmiotrace: Fix some bugs in mmiotrace
  2026-07-28 12:50 · 4 replies in 7d · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• HOTtoday [PATCH v9 00/41] guest_memfd: In-place conversion support
  2026-07-29 00:35 · 2 replies in 7d · Ackerley Tng <hidden>
• HOTtoday [PATCH 0/2] tracing: Fix a UAF and regex bug on trace-event
  2026-07-29 00:28 · 2 replies in 7d · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• HOTtoday [PATCH 0/1] kernel/trace: Fix use-after-free in unregister_trace_uprobe()
  2026-07-29 15:20 · 1 reply in 7d · Ren Wei <hidden>
• HOTtoday [PATCH v4 0/2] Add trace event support for GENI SE registers dump
  2026-07-29 15:13 · 1 reply in 7d · Praveen Talari <hidden>
• HOTtoday [PATCH] ring-buffer: Fix reader page read offset for remote buffers
  2026-07-29 13:36 · 0 replies in 7d · Vincent Donnefort <hidden>
• HOTtoday [PATCH v5 0/5] Enable perf tracing for unprivileged users
  2026-07-29 00:13 · 1 reply in 7d · Anubhav Shelat <hidden>
• DORMANTno replies [PATCH] fprobe: Simplify fprobe_remove_ips() by reusing existing helpers
  2026-07-28 23:30 · 0 replies in 7d · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• DORMANTno replies [PATCH] fprobe: Fix module reference count leak on error in register_fprobe()
  2026-07-28 23:27 · 0 replies in 7d · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>

Active reviewers (last 30 days)

• Steven Rostedt <rostedt@goodmis.org>
  9 attestations (3 Acked-by, 1 Reviewed-by, 5 Suggested-by) · last on 2026-07-29
• Nam Cao <hidden>
  9 attestations (9 Reviewed-by) · last on 2026-07-23
• Sashiko <sashiko-bot@kernel.org>
  7 attestations (7 Reported-by) · last on 2026-07-24
• Zi Yan <ziy@nvidia.com>
  6 attestations (6 Reviewed-by) · last on 2026-07-14
• Vlastimil Babka (SUSE) <vbabka@kernel.org>
  6 attestations (6 Reviewed-by) · last on 2026-07-14
• Fuad Tabba <tabba@google.com>
  4 attestations (3 Reviewed-by, 1 Tested-by) · last on 2026-07-29
• Masami Hiramatsu (Google) <mhiramat@kernel.org>
  4 attestations (3 Reviewed-by, 1 Suggested-by) · last on 2026-07-27
• David Howells <dhowells@redhat.com>
  4 attestations (2 Reported-by, 2 Tested-by) · last on 2026-06-30
• Gabriele Monaco <gmonaco@redhat.com>
  3 attestations (1 Reviewed-by, 2 Suggested-by) · last on 2026-07-15
• Shivank Garg <hidden>
  2 attestations (2 Tested-by) · last on 2026-07-29

Recent patches

Most-recent 30 patches in this subsystem on linux-trace-kernel (capped at 30), ordered by date desc.

• DORMANTno replies [PATCH 1/1] tracing/uprobes: Reject unregistering enabled trace_uprobe to prevent UAF
  2026-07-29 · Ren Wei <hidden>
• HOTtoday REVIEWED: 17 (17M) [PATCH v4 1/2] soc: qcom: geni-se: trace: Add trace event support for GENI SE registers dump
  2026-07-29 · Praveen Talari <hidden>
• HOTtoday [PATCH] ring-buffer: Fix reader page read offset for remote buffers
  2026-07-29 · Vincent Donnefort <hidden>
• HOTtoday REVIEWED: 4 (1M) [PATCH v9 02/41] KVM: Rename KVM_GENERIC_MEMORY_ATTRIBUTES to KVM_VM_MEMORY_ATTRIBUTES
  2026-07-29 · Ackerley Tng <hidden>
• HOTtoday REVIEWED: 2 (1M) [PATCH v9 04/41] KVM: Rename memory attribute APIs to prepare for in-place gmem conversion
  2026-07-29 · Ackerley Tng <hidden>
• DORMANTno replies [PATCH 2/2] tracing/filters: Fix false positive match in regex_match_full()
  2026-07-29 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• HOTtoday [PATCH 1/2] tracing: Check return value of __register_event() in trace_module_add_events()
  2026-07-29 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• DORMANTno replies Re: [PATCH v5 2/5] tracefs: add read-only eventfs filesystem at /sys/kernel/events
  2026-07-29 · Steven Rostedt <rostedt@goodmis.org>
• DORMANTno replies [PATCH] fprobe: Simplify fprobe_remove_ips() by reusing existing helpers
  2026-07-28 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• DORMANTno replies [PATCH] fprobe: Fix module reference count leak on error in register_fprobe()
  2026-07-28 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• DORMANTno replies [PATCH 4/4] tracing/mmiotrace: Clean up coding style and redundant debug logs
  2026-07-28 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• WARM1d [PATCH 3/4] tracing/mmiotrace: Use trace_assign_type() in mmio_print_mark()
  2026-07-28 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• WARM1d [PATCH 2/4] tracing/mmiotrace: Add NULL check for mmio_trace_array in logging functions
  2026-07-28 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• WARM1d [PATCH 1/4] tracing/mmiotrace: Reset dropped_count in mmio_reset_data()
  2026-07-28 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• HOTtoday [PATCH v2 v2 7/7] ntfs3: add file I/O tracepoints
  2026-07-28 · Baolin Liu <hidden>
• HOTtoday [PATCH v2 v2 6/7] ntfs3: add iomap tracepoints
  2026-07-28 · Baolin Liu <hidden>
• HOTtoday [PATCH v2 v2 4/7] ntfs3: add directory index tracepoints
  2026-07-28 · Baolin Liu <hidden>
• HOTtoday [PATCH v2 v2 5/7] ntfs3: add allocation tracepoints
  2026-07-28 · Baolin Liu <hidden>
• HOTtoday [PATCH v2 v2 2/7] ntfs3: add namei tracepoints
  2026-07-28 · Baolin Liu <hidden>
• HOTtoday [PATCH v2 v2 3/7] ntfs3: add create inode tracepoint
  2026-07-28 · Baolin Liu <hidden>
• HOTtoday [PATCH v2 v2 1/7] ntfs3: add mount and log replay tracepoints
  2026-07-28 · Baolin Liu <hidden>
• DORMANTno replies [PATCH] tracing/probes: Treating longer symbol name on event comparation
  2026-07-28 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• DORMANTno replies REVIEWED: 9 (9M) [PATCH v2] tracing: Cleanup event_enable_trigger_parse() by using __free()
  2026-07-27 · Steven Rostedt <hidden>
• HOTtoday [PATCH RFC 04/11] mm: use hw_pte_t for generic PTE table storage
  2026-07-27 · Muhammad Usama Anjum <hidden>
• DORMANTno replies [PATCH v4] ftrace: Add global mutex to serialize trace_parser access
  2026-07-25 · Tengda Wu <hidden>
• DORMANTno replies [PATCH v2] tracing: perf: Fix stale head for perf syscall tracing
  2026-07-24 · Steven Rostedt <rostedt@goodmis.org>
• COOLING4d [PATCH] tracing: perf: Fix stale head for perf syscall tracing
  2026-07-24 · Steven Rostedt <rostedt@goodmis.org>
• DORMANTno replies [PATCH] tracing: Delay module ref count for "enable_event" trigger
  2026-07-24 · Steven Rostedt <rostedt@goodmis.org>
• COOLING5d Re: [RFC PATCH] Documentation/rv: Explain epoll and aborted sleeps
  2026-07-24 · Chao Liu <hidden>
• WARM1d [PATCH] tracing/fprobe: Roll back on enable_trace_fprobe() failure
  2026-07-24 · Raushan Patel <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.

• STALE174d REVIEWED: 1 (1M) [PATCH net-next 04/15] trace: mptcp: add mptcp_rcvbuf_grow tracepoint
  2026-02-03 · "Matthieu Baerts (NGI0)" <matttbe@kernel.org> · 1 Reviewed-by
• STALE166d REVIEWED: 7 (7M) [PATCH V4] blktrace: log dropped REQ_OP_ZONE_XXX events ver1
  2026-02-11 · Chaitanya Kulkarni <kch@nvidia.com> · 1 Reviewed-by
• STALE147d REVIEWED: 1 (0M) [PATCH] tracing: Fix WARN_ON in tracing_buffers_mmap_close
  2026-02-27 · Qing Wang <hidden> · 1 Tested-by
• STALE135d REVIEWED: 9 (9M) [PATCH v3 09/12] ext4: widen trace event i_ino fields to u64
  2026-03-04 · Jeff Layton <jlayton@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.

• STALE203d [v2 PATCH 1/2] tracing: Add show_event_filters to expose active event filters
  2026-01-05 · Aaron Tomlin <atomlin@atomlin.com>
• STALE202d [PATCH 2/2] tracing: Add autoremove feature to the backup instance
  2026-01-07 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• STALE202d Re: [PATCH bpf-next 1/2] arm64/ftrace,bpf: Fix partial regs after bpf_prog_run
  2026-01-08 · Jiri Olsa <hidden>
• DORMANTno replies [PATCH v2 1/1] ring-buffer: Use a housekeeping CPU to wake up waiters
  2026-01-08 · Petr Tesarik <hidden>
• STALE197d [PATCH v2 2/2] tracing: Add autoremove feature to the backup instance
  2026-01-08 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• STALE198d [PATCH v12 2/3] mm: Fix OOM killer inaccuracy on large many-core systems
  2026-01-11 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE196d [PATCH v3 1/3] PCI: trace: Add PCI controller LTSSM transition tracepoint
  2026-01-12 · Shawn Lin <shawn.lin@rock-chips.com>
• STALE197d [PATCH v14 2/3] mm: Fix OOM killer inaccuracy on large many-core systems
  2026-01-12 · Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
• STALE191d [PATCH v3 1/2] tracing: Make the backup instance readonly
  2026-01-13 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• STALE191d [PATCH v3 2/2] tracing: Add autoremove feature to the backup instance
  2026-01-13 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>