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

• COLD15d [PATCH v8 08/13] include: trace: Add new parameter to trace_scmi_fc_call
  2026-07-01 · Philip Radford <hidden>
• COLD15d [PATCH v3 5/7] kernel: Use mutable list iterators
  2026-06-22 · Kaitao Cheng <hidden>
• COLD29d [PATCH v7 08/13] include: trace: Add new parameter to trace_scmi_fc_call
  2026-06-17 · Philip Radford <hidden>
• COLD57d [PATCH v6 07/12] include: trace: Add new parameter to trace_scmi_fc_call
  2026-05-18 · Philip Radford <hidden>
• STALE71d [PATCH v5 07/12] include: trace: Add new parameter to trace_scmi_fc_call
  2026-04-28 · Philip Radford <hidden>
• STALE106d [PATCH v4 07/11] include: trace: Add new parameter to trace_scmi_fc_call
  2026-04-01 · Philip Radford <hidden>
• STALE91d [PATCH 15/61] trace: Prefer IS_ERR_OR_NULL over manual NULL check
  2026-03-10 · Philipp Hahn <hidden>
• STALE113d REVIEWED: 6 (6M) [PATCH v4 5/5] mm: add tracepoints for zone lock
  2026-02-27 · Dmitry Ilvokhin <hidden>
• STALE140d [PATCH v3 7/9] include: trace: Add new parameter to trace_scmi_fc_call
  2026-02-26 · Philip Radford <hidden>
• STALE182d [PATCH v3 1/2] cpufreq: Replace trace_cpu_frequency with trace_policy_frequency
  2025-12-01 · Samuel Wu <hidden>
• DORMANTno replies [PATCH v2 1/2] cpufreq: Replace trace_cpu_frequency with trace_policy_frequency
  2025-12-01 · Samuel Wu <hidden>
• STALE240d [PATCH v1] cpufreq: Add policy_frequency trace event
  2025-11-12 · Samuel Wu <hidden>
• STALE244d REVIEWED: 1 (0M) [PATCH v10 1/3] PM: Introduce new PMSG_POWEROFF event
  2025-11-12 · "Mario Limonciello (AMD)" <superm1@kernel.org>
• STALE251d REVIEWED: 1 (0M) [PATCH v9 1/4] PM: Introduce new PMSG_POWEROFF event
  2025-10-26 · "Mario Limonciello (AMD)" <superm1@kernel.org>
• STALE301d REVIEWED: 1 (0M) [PATCH v8 1/4] PM: Introduce new PMSG_POWEROFF event
  2025-09-18 · "Mario Limonciello (AMD)" <superm1@kernel.org>
• STALE309d REVIEWED: 1 (0M) [PATCH v7 01/12] PM: Introduce new PMSG_POWEROFF event
  2025-09-09 · "Mario Limonciello (AMD)" <superm1@kernel.org>
• STALE311d REVIEWED: 1 (0M) [PATCH v6 RESEND 01/11] PM: Introduce new PMSG_POWEROFF event
  2025-09-06 · "Mario Limonciello (AMD)" <superm1@kernel.org>
• STALE311d REVIEWED: 1 (0M) [PATCH v6 01/11] PM: Introduce new PMSG_POWEROFF event
  2025-08-18 · "Mario Limonciello (AMD)" <superm1@kernel.org>
• STALE335d [PATCH 7/8] include: trace: Add new parameter to trace_scmi_fc_call
  2025-08-13 · Cristian Marussi <cristian.marussi@arm.com>
• STALE338d REVIEWED: 1 (0M) [PATCH v5 01/11] PM: Introduce new PMSG_POWEROFF event
  2025-08-11 · "Mario Limonciello (AMD)" <superm1@kernel.org>
• STALE353d REVIEWED: 1 (0M) [PATCH v4 1/5] PM: Use hibernate flows for system power off
  2025-06-16 · Mario Limonciello <superm1@kernel.org>
• STALE398d LANDED [PATCH 4/4] PM: tracing: Hide power_domain_target event under ARCH_OMAP2PLUS
  2025-06-12 · Steven Rostedt <rostedt@goodmis.org>
• STALE398d LANDED [PATCH 1/4] PM: cpufreq: powernv/tracing: Move powernv_throttle trace event
  2025-06-12 · Steven Rostedt <rostedt@goodmis.org>
• STALE398d LANDED [PATCH 2/4] PM: tracing: Hide psci_domain_idle events under ARM_PSCI_CPUIDLE
  2025-06-12 · Steven Rostedt <rostedt@goodmis.org>
• STALE398d LANDED [PATCH 3/4] PM: tracing: Hide device_pm_callback events under PM_SLEEP
  2025-06-12 · Steven Rostedt <rostedt@goodmis.org>
• STALE378d [RESEND PATCH] cpuidle: Add find_deepest_state trace event
  2025-06-11 · qiwu.chen <hidden>
• STALE402d REVIEWED: 1 (0M) [PATCH v3 1/5] PM: Use hibernate flows for system power off
  2025-06-09 · Mario Limonciello <superm1@kernel.org>
• STALE405d LANDED [PATCH] tracing: PM: Remove unused clock events
  2025-06-05 · Steven Rostedt <rostedt@goodmis.org>
• STALE419d [PATCH] cpuidle: Add find_deepest_state trace event
  2025-05-19 · qiwu.chen <hidden>
• STALE434d [PATCH v5 9/9] x86/nmi: Include NMI-source information in tracepoint and debug prints
  2025-05-07 · Sohil Mehta <hidden>

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.

• STALE140d [PATCH v3 7/9] include: trace: Add new parameter to trace_scmi_fc_call
  2026-02-26 · Philip Radford <hidden>
• STALE106d [PATCH v4 07/11] include: trace: Add new parameter to trace_scmi_fc_call
  2026-04-01 · Philip Radford <hidden>
• STALE71d [PATCH v5 07/12] include: trace: Add new parameter to trace_scmi_fc_call
  2026-04-28 · Philip Radford <hidden>
• COLD57d [PATCH v6 07/12] include: trace: Add new parameter to trace_scmi_fc_call
  2026-05-18 · Philip Radford <hidden>