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)

• Paulo Alcantara <pc@manguebit.org>
  13 attestations (13 Reviewed-by) · last on 2026-09-10
• Paolo Abeni <pabeni@redhat.com>
  1 attestation (1 Acked-by) · last on 2026-09-14

Recent patches

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

• WARM2d REVIEWED: 3 (3M) [PATCH net-next v15 01/15] net: define IPPROTO_QUIC and SOL_QUIC constants
  2026-09-14 · Xin Long <lucien.xin@gmail.com>
• COOLING9d REVIEWED: 3 (3M) [PATCH v12 4/5] cachefiles: Don't rely on backing fs storage map for most use cases
  2026-09-10 · David Howells <dhowells@redhat.com>
• COOLING9d [PATCH v12 3/5] cachefiles: Add a tracepoint to log insufficient space errors
  2026-09-10 · David Howells <dhowells@redhat.com>
• COOLING9d [PATCH v12 2/5] netfs, cachefiles: Add a couple of traces for write failure
  2026-09-10 · David Howells <dhowells@redhat.com>
• COOLING11d REVIEWED: 3 (3M) [PATCH v13 7/8] netfs: Add some functions to wrap the all-queued handling
  2026-09-09 · David Howells <dhowells@redhat.com>
• COOLING11d REVIEWED: 3 (3M) [PATCH v13 5/8] netfs: Add the cache object ID to netfs_read/write tracepoints
  2026-09-09 · David Howells <dhowells@redhat.com>
• COOLING11d REVIEWED: 3 (3M) [PATCH v13 4/8] netfs: trace: Rejig a couple of the tracepoints
  2026-09-09 · David Howells <dhowells@redhat.com>
• COOLING11d REVIEWED: 3 (3M) [PATCH v13 3/8] netfs: trace: Change the "clear" folio traces to "endwb"
  2026-09-09 · David Howells <dhowells@redhat.com>
• COOLING11d REVIEWED: 3 (3M) [PATCH v13 2/8] netfs: Remove the writethrough code
  2026-09-09 · David Howells <dhowells@redhat.com>
• COOLING11d REVIEWED: 3 (3M) [PATCH v13 1/8] netfs: Use uoff_t instead of unsigned long long and loff_t
  2026-09-09 · David Howells <dhowells@redhat.com>
• COOLING13d REVIEWED: 3 (3M) [PATCH v12 7/8] netfs: Add some functions to wrap the all-queued handling
  2026-09-08 · David Howells <dhowells@redhat.com>
• COOLING13d REVIEWED: 3 (3M) [PATCH v12 5/8] netfs: Add the cache object ID to netfs_read/write tracepoints
  2026-09-08 · David Howells <dhowells@redhat.com>
• COOLING13d REVIEWED: 3 (3M) [PATCH v12 4/8] netfs: trace: Rejig a couple of the tracepoints
  2026-09-08 · David Howells <dhowells@redhat.com>
• COOLING13d REVIEWED: 3 (3M) [PATCH v12 3/8] netfs: trace: Change the "clear" folio traces to "endwb"
  2026-09-08 · David Howells <dhowells@redhat.com>
• COOLING13d [PATCH v12 2/8] netfs: Remove the writethrough code
  2026-09-08 · David Howells <dhowells@redhat.com>
• COOLING13d REVIEWED: 3 (3M) [PATCH v12 1/8] netfs: Use uoff_t instead of unsigned long long and loff_t
  2026-09-08 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 36/36] cachefiles: Preset the state xattr when creating a new file
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 34/36] netfs: Combine prepare and issue ops
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 32/36] netfs: Rework writeback to estimate
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 30/36] netfs: Check for too much data being read
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 28/36] netfs: Simplify writeback cleanup
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 21/36] netfs: Switch to using bvecq rather than folio_queue and rolling_buffer
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 20/36] netfs: Add the cache object ID to netfs_read/write tracepoints
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 19/36] cachefiles: Don't rely on backing fs storage map for most use cases
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 17/36] netfs: Add some functions to wrap the all-queued handling
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 16/36] netfs: trace: Rejig a couple of the tracepoints
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 15/36] netfs: trace: Change the "clear" folio traces to "endwb"
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 14/36] netfs: Remove the writethrough code
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 08/36] netfs: Add some tools for managing bvecq chains
  2026-09-02 · David Howells <dhowells@redhat.com>
• COLD18d [PATCH v11 04/36] netfs: Use uoff_t instead of unsigned long long and loff_t
  2026-09-02 · David Howells <dhowells@redhat.com>

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.

• STALE61d REVIEWED: 3 (3M) [PATCH v7 08/29] netfs: Bulk load the readahead-provided folios up front
  2026-07-22 · David Howells <dhowells@redhat.com> · 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.

• STALE205d [PATCH 04/61] ext4: update for u64 i_ino
  2026-02-26 · Jeff Layton <jlayton@kernel.org>
• STALE205d [PATCH 06/61] f2fs: update for u64 i_ino
  2026-02-26 · Jeff Layton <jlayton@kernel.org>
• STALE200d [PATCH v2 005/110] trace: store i_ino as u64 instead of ino_t/unsigned long
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE200d [PATCH v2 006/110] trace: reorder TP_STRUCT__entry fields for better packing on 32-bit
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE200d [PATCH v2 009/110] f2fs: use PRIino format for i_ino
  2026-03-02 · Jeff Layton <jlayton@kernel.org>
• STALE181d [RFC PATCH 05/17] netfs: Add some tools for managing bvecq chains
  2026-03-04 · David Howells <dhowells@redhat.com>
• STALE181d [RFC PATCH 10/17] netfs: Switch to using bvecq rather than folio_queue and rolling_buffer
  2026-03-04 · David Howells <dhowells@redhat.com>
• STALE181d [RFC PATCH 16/17] netfs: Check for too much data being read
  2026-03-04 · David Howells <dhowells@redhat.com>
• STALE188d [PATCH v3 05/12] cachefiles: widen trace event i_ino fields to u64
  2026-03-04 · Jeff Layton <jlayton@kernel.org>
• STALE188d [PATCH v3 07/12] hugetlbfs: widen trace event i_ino fields to u64
  2026-03-04 · Jeff Layton <jlayton@kernel.org>