← All active subsystems in linux-arm-kernel

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-arm-kernel (capped at 30), ordered by date desc.

• COOLING12d [PATCH v14 06/32] include: trace: Add Telemetry trace events
  2026-10-16 · Cristian Marussi <cristian.marussi@arm.com>
• COLD20d [RFC PATCH 4/6] dma-buf: Allow dynamic attach without a device
  2026-10-05 · Fred Griffoul <hidden>
• COLD28d SUPERSEDED [PATCH v13 05/25] include: trace: Add Telemetry trace events
  2026-10-04 · Cristian Marussi <cristian.marussi@arm.com>
• COLD29d LANDED: 3 (1M) [PATCH v5 3/4] tracing/remotes: Add REMOTE_EVENT_CUSTOM_PRINTK() helper
  2026-10-01 · Vincent Donnefort <vdonnefort@google.com>
• COLD31d SUPERSEDED: 3 (1M) [PATCH v4 3/4] tracing/remotes: Add REMOTE_EVENT_CUSTOM_PRINTK() helper
  2026-10-01 · Vincent Donnefort <vdonnefort@google.com>
• COLD18d LANDED [PATCH v9 01/24] KVM: Make device name configurable
  2026-09-30 · Steffen Eiden <seiden@linux.ibm.com>
• COLD32d SUPERSEDED: 3 (1M) [PATCH v3 3/4] tracing/remotes: Add REMOTE_EVENT_CUSTOM_PRINTK() helper
  2026-09-30 · Vincent Donnefort <vdonnefort@google.com>
• HOTtoday [PATCH v6 05/14] ftrace: Mark modules hosting direct-call trampolines for Tasks RCU
  2026-09-29 · Josef Bacik <josef@toxicpanda.com>
• COLD36d SUPERSEDED [PATCH v5 04/13] ftrace: Mark modules hosting direct-call trampolines for Tasks RCU
  2026-09-22 · Josef Bacik <josef@toxicpanda.com>
• COLD28d SUPERSEDED [PATCH v12 05/25] include: trace: Add Telemetry trace events
  2026-09-20 · Cristian Marussi <cristian.marussi@arm.com>
• COLD32d SUPERSEDED [PATCH v8 07/29] KVM: Make device name configurable
  2026-09-18 · Steffen Eiden <seiden@linux.ibm.com>
• COLD35d [PATCH 14/15] io_uring: add tracepoints for the handoff operation
  2026-09-11 · Jens Axboe <axboe@kernel.dk>
• COLD47d [PATCH RFC v2 05/15] ftrace: Mark modules hosting direct-call trampolines for Tasks RCU
  2026-09-11 · Josef Bacik <josef@toxicpanda.com>
• COLD51d SUPERSEDED [PATCH RFC 05/13] ftrace: Mark modules hosting direct-call trampolines for Tasks RCU
  2026-09-10 · Josef Bacik <josef@toxicpanda.com>
• COOLING10d [PATCH v9 08/13] include: trace: Add new parameter to trace_scmi_fc_call
  2026-09-09 · Philip Radford <hidden>
• COLD47d LANDED: 2 (2M) [PATCH v4 2/4] dmaengine: use dma_chan_name() helper to get per-channel device name
  2026-09-09 · <hidden>
• COLD56d SUPERSEDED [PATCH v11 05/25] include: trace: Add Telemetry trace events
  2026-09-06 · Cristian Marussi <cristian.marussi@arm.com>
• COLD55d SUPERSEDED: 1 (1M) [PATCH v3 2/4] dmaengine: use dma_chan_name() helper to get per-channel device name
  2026-09-04 · <hidden>
• COLD58d SUPERSEDED: 1 (1M) [PATCH v2 2/3] dmaengine: use dma_chan_name() helper to get per-channel device name
  2026-09-03 · <hidden>
• COLD48d [PATCH v2 01/12] i2c: core: add I2C_XFER_V2 - support for detailed transfer reporting
  2026-09-03 · Dmitry Guzman <hidden>
• COLD45d Re: [PATCH v7 02/23] KVM: Make device name configurable
  2026-09-02 · Sean Christopherson <seanjc@google.com>
• COLD45d Re: [PATCH v7 02/23] KVM: Make device name configurable
  2026-09-02 · Steffen Eiden <seiden@linux.ibm.com>
• COLD54d SUPERSEDED [PATCH v10 05/24] include: trace: Add Telemetry trace events
  2026-08-15 · Cristian Marussi <cristian.marussi@arm.com>
• STALE78d SUPERSEDED [PATCH v9 05/24] include: trace: Add Telemetry trace events
  2026-08-15 · Cristian Marussi <cristian.marussi@arm.com>
• STALE79d SUPERSEDED [PATCH 1/2] dmaengine: use dma_chan_name() helper to get per-channel device name
  2026-08-12 · <hidden>
• COLD47d LANDED [PATCH] include: trace: Use string helpers in msg_dump trace events
  2026-08-08 · Cristian Marussi <cristian.marussi@arm.com>
• STALE85d SUPERSEDED [PATCH v8 05/23] include: trace: Add Telemetry trace events
  2026-08-08 · Cristian Marussi <cristian.marussi@arm.com>
• STALE75d SUPERSEDED [PATCH v7 05/23] include: trace: Add Telemetry trace events
  2026-08-02 · Cristian Marussi <cristian.marussi@arm.com>
• STALE88d SUPERSEDED [PATCH v6 05/22] include: trace: Add Telemetry trace events
  2026-07-24 · Cristian Marussi <cristian.marussi@arm.com>
• STALE83d LANDED: 1 (1M) [PATCH v8 09/23] dma-mapping: Add internal shared allocation attribute
  2026-07-17 · Aneesh Kumar K.V (Arm) <aneesh.kumar@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.

• STALE144d REVIEWED: 1 (1M) [PATCH v2 4/9] media: Add tgid and fd to the v4l2-requests trace fields +8 more in this series
  2026-06-10 · Detlev Casanova <detlev.casanova@collabora.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.

• STALE186d [PATCH v18 8/8] ring-buffer: Cleanup buffer_data_page related code +7 more in this series
  2026-04-24 · Masami Hiramatsu (Google) <mhiramat@kernel.org>
• STALE173d [PATCH v19 2/7] ring-buffer: Skip invalid sub-buffers when validating persistent ring buffer +6 more in this series
  2026-04-30 · Masami Hiramatsu (Google) <mhiramat@kernel.org>
• STALE144d [PATCH v2 7/9] media: Add stream on/off traces and run them in the ioctl +8 more in this series
  2026-06-10 · Detlev Casanova <detlev.casanova@collabora.com>
• STALE121d [PATCH v4 07/31] include: trace: Add Telemetry trace events +30 more in this series
  2026-06-12 · Cristian Marussi <cristian.marussi@arm.com>
• DORMANTno replies Re: [for-next][PATCH 04/15] tracepoint: Add lockdep rcu_is_watching() check to trace_##name##_enabled()
  2026-07-01 · Steven Rostedt <rostedt@kernel.org>
• COOLING10d [PATCH v9 08/13] include: trace: Add new parameter to trace_scmi_fc_call +12 more in this series
  2026-09-09 · Philip Radford <hidden>
• COLD47d [PATCH RFC v2 05/15] ftrace: Mark modules hosting direct-call trampolines for Tasks RCU +14 more in this series
  2026-09-11 · Josef Bacik <josef@toxicpanda.com>
• COLD35d [PATCH 14/15] io_uring: add tracepoints for the handoff operation +14 more in this series
  2026-09-11 · Jens Axboe <axboe@kernel.dk>
• HOTtoday [PATCH v6 05/14] ftrace: Mark modules hosting direct-call trampolines for Tasks RCU +13 more in this series
  2026-09-29 · Josef Bacik <josef@toxicpanda.com>