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 linux-block (capped at 30), ordered by date desc.

• COLD37d [PATCH v9] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-25 · Aaron Tomlin <atomlin@atomlin.com>
• COLD38d REVIEWED: 11 (8M) [PATCH v8] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-24 · Aaron Tomlin <atomlin@atomlin.com>
• COLD39d REVIEWED: 11 (8M) [PATCH v7] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-23 · Aaron Tomlin <atomlin@atomlin.com>
• DORMANTno replies [PATCH] tracing/blktrace: Use sysfs_emit() for sysfs show callbacks
  2026-05-19 · Yu Peng <hidden>
• COLD42d REVIEWED: 11 (8M) [PATCH v6 1/2] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-17 · Aaron Tomlin <atomlin@atomlin.com>
• COLD60d [PATCH v2] blktrace: reject buf_size smaller than blk_io_trace2
  2026-05-03 · Deepanshu Kartikey <hidden>
• COLD46d REVIEWED: 11 (8M) [PATCH v5 1/2] blk-mq: add tracepoint block_rq_tag_wait
  2026-04-27 · Aaron Tomlin <atomlin@atomlin.com>
• STALE74d REVIEWED: 11 (8M) [PATCH v4 1/2] blk-mq: add tracepoint block_rq_tag_wait
  2026-04-19 · Aaron Tomlin <atomlin@atomlin.com>
• COLD60d [PATCH] blktrace: reject buf_size smaller than blk_io_trace
  2026-03-22 · Deepanshu Kartikey <hidden>
• STALE75d REVIEWED: 11 (8M) [PATCH v3 1/2] blk-mq: add tracepoint block_rq_tag_wait
  2026-03-19 · Aaron Tomlin <atomlin@atomlin.com>
• STALE104d [PATCH v2] blk-mq: add tracepoint block_rq_tag_wait
  2026-03-19 · Aaron Tomlin <atomlin@atomlin.com>
• STALE105d [PATCH] blk-mq: add tracepoint block_rq_tag_wait
  2026-03-17 · Aaron Tomlin <atomlin@atomlin.com>
• STALE77d [PATCH 15/61] trace: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE122d [PATCH V2] blktrace: fix __this_cpu_read/write in preemptible context
  2026-03-02 · Chaitanya Kulkarni <kch@nvidia.com>
• DORMANTno replies Re: [PATCH] blktrace: fix __this_cpu_read/write in preemptible context
  2026-02-27 · Chaitanya Kulkarni <hidden>
• STALE124d Re: [PATCH] blktrace: fix __this_cpu_read/write in preemptible context
  2026-02-27 · Steven Rostedt <rostedt@goodmis.org>
• STALE124d [PATCH] blktrace: fix __this_cpu_read/write in preemptible context
  2026-02-27 · Chaitanya Kulkarni <kch@nvidia.com>
• STALE113d Re: blktests failures with v7.0-rc1 kernel
  2026-02-26 · Chaitanya Kulkarni <hidden>
• STALE135d [PATCH v2] blk-mq: use NOIO context to prevent deadlock during debugfs creation
  2026-02-14 · Yu Kuai <hidden>
• STALE139d [PATCH] blk-mq: use NOIO context to prevent deadlock during debugfs creation
  2026-02-12 · Yu Kuai <hidden>
• STALE139d REVIEWED: 7 (7M) [PATCH V4] blktrace: log dropped REQ_OP_ZONE_XXX events ver1
  2026-02-11 · Chaitanya Kulkarni <kch@nvidia.com>
• STALE146d [PATCH v5 3/3] tracing/kprobes: Skip setup_boot_kprobe_events() when no cmdline event
  2026-02-04 · Yaxiong Tian <hidden>
• STALE146d [PATCH v5 2/3] blktrace: Make init_blk_tracer() asynchronous
  2026-02-04 · Yaxiong Tian <hidden>
• STALE146d [PATCH v5 1/3] tracing: Rename `eval_map_wq` and allow other parts of tracing use it
  2026-02-04 · Yaxiong Tian <hidden>
• STALE149d [PATCH] block: don't use strcpy to copy blockdev name
  2026-02-03 · Johannes Thumshirn <hidden>
• STALE150d Re: [PATCH v4 5/5] blktrace: Make init_blk_tracer() asynchronous when trace_async_init set
  2026-01-30 · Steven Rostedt <rostedt@goodmis.org>
• STALE150d [PATCH v4 5/5] blktrace: Make init_blk_tracer() asynchronous when trace_async_init set
  2026-01-28 · Yaxiong Tian <hidden>
• STALE150d [PATCH v4 4/5] tracing/kprobes: Make setup_boot_kprobe_events() asynchronous when trace_async_init set
  2026-01-28 · Yaxiong Tian <hidden>
• STALE150d [PATCH v4 3/5] tracing/kprobes: Skip setup_boot_kprobe_events() when no cmdline event
  2026-01-28 · Yaxiong Tian <hidden>
• STALE150d [PATCH v4 2/5] tracing: add trace_async_init boot parameter
  2026-01-28 · Yaxiong Tian <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.

• STALE139d 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
• COLD39d REVIEWED: 11 (8M) [PATCH v7] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-23 · Aaron Tomlin <atomlin@atomlin.com> · 4 Reviewed-by, 1 Tested-by
• COLD38d REVIEWED: 11 (8M) [PATCH v8] blk-mq: add tracepoint block_rq_tag_wait
  2026-05-24 · Aaron Tomlin <atomlin@atomlin.com> · 4 Reviewed-by, 1 Tested-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.

• STALE157d [PATCH 2/3] tracing/kprobes: Make setup_boot_kprobe_events() asynchronous
  2026-01-22 · Yaxiong Tian <hidden>
• STALE157d [PATCH 3/3] blktrace: Make init_blk_tracer() asynchronous
  2026-01-22 · Yaxiong Tian <hidden>
• STALE156d [PATCH v2 2/3] tracing/kprobes: Make setup_boot_kprobe_events() asynchronous
  2026-01-26 · Yaxiong Tian <hidden>
• STALE156d [PATCH v2 3/3] blktrace: Make init_blk_tracer() asynchronous
  2026-01-26 · Yaxiong Tian <hidden>
• STALE155d [PATCH v3 1/3] tracing: Rename `eval_map_wq` and allow other parts of tracing use it
  2026-01-27 · Yaxiong Tian <hidden>
• STALE155d [PATCH v3 3/3] blktrace: Make init_blk_tracer() asynchronous
  2026-01-27 · Yaxiong Tian <hidden>
• STALE150d [PATCH v4 3/5] tracing/kprobes: Skip setup_boot_kprobe_events() when no cmdline event
  2026-01-28 · Yaxiong Tian <hidden>
• STALE150d [PATCH v4 4/5] tracing/kprobes: Make setup_boot_kprobe_events() asynchronous when trace_async_init set
  2026-01-28 · Yaxiong Tian <hidden>
• STALE146d [PATCH v5 2/3] blktrace: Make init_blk_tracer() asynchronous
  2026-02-04 · Yaxiong Tian <hidden>
• STALE146d [PATCH v5 3/3] tracing/kprobes: Skip setup_boot_kprobe_events() when no cmdline event
  2026-02-04 · Yaxiong Tian <hidden>