documentation · Maintained

Maintainers

• M Jonathan Corbet <corbet@lwn.net>
• R Shuah Khan <skhan@linuxfoundation.org>
• R Randy Dunlap <rdunlap@infradead.org>

Paths

• F Documentation/
• F tools/lib/python/
• F tools/docs/
• F tools/net/ynl/pyynl/lib/doc_generator.py
• X Documentation/ABI/
• X Documentation/admin-guide/media/
• X Documentation/devicetree/
• X Documentation/driver-api/media/
• X Documentation/firmware-guide/acpi/
• X Documentation/i2c/
• X Documentation/netlink/
• X Documentation/power/
• X Documentation/spi/
• X Documentation/userspace-api/media/

Last 30 days

Most active threads (last 7 days)

• WARM1d [RFC PATCH v7 00/28] KVM: arm64: Add Statistical Profiling Extension (SPE) support
  2026-09-03 16:07 · 11 replies in 7d · Alexandru Elisei <hidden>
• WARM3d [PATCH v3 0/8] Enhance TLP packet decoder with field-level parsing and versioning
  2026-09-03 07:53 · 1 reply in 7d · Sizhe Liu <liusizhe5@huawei.com>
• WARM3d [RFC] ptwrite uprobes
  2026-08-31 15:07 · 2 replies in 7d · Andi Kleen <ak@kernel.org>
• COOLING4d [PATCH v14 00/14] tracing: wprobe: x86: Add wprobe for watchpoint
  2026-08-30 14:28 · 2 replies in 7d · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>

Active reviewers (last 30 days)

• Yushan Wang <wangyushan12@huawei.com>
  1 attestation (1 Reviewed-by) · last on 2026-09-03
• Lian Wang (Processmission) <hidden>
  1 attestation (1 Co-developed-by) · last on 2026-08-14

Recent patches

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

• WARM1d [RFC PATCH v7 27/28] KVM: arm64: Handle dirty page logging when SPE feature is set
  2026-09-03 · Alexandru Elisei <hidden>
• WARM1d [RFC PATCH v7 24/28] arm64: errata: Don't enable guest buffer if misprogrammed
  2026-09-03 · Alexandru Elisei <hidden>
• WARM1d [RFC PATCH v7 23/28] KVM: arm64: Add kvm-arm.ignore_spe_errata kernel parameter
  2026-09-03 · Alexandru Elisei <hidden>
• WARM1d [RFC PATCH v7 22/28] arm64: errata: Disable SPE in KVM
  2026-09-03 · Alexandru Elisei <hidden>
• WARM1d [RFC PATCH v7 17/28] KVM: arm64: Apply a RES0 mask to PMBLIMITR_EL1 writes
  2026-09-03 · Alexandru Elisei <hidden>
• WARM1d [RFC PATCH v7 14/28] KVM: arm64: Add SPE VCPU device attribute to initialize SPE
  2026-09-03 · Alexandru Elisei <hidden>
• WARM1d [RFC PATCH v7 13/28] KVM: arm64: Add SPE VCPU device attribute to set the SPE device
  2026-09-03 · Alexandru Elisei <hidden>
• WARM1d [RFC PATCH v7 12/28] KVM: arm64: Add SPE VCPU device attribute to set the interrupt number
  2026-09-03 · Alexandru Elisei <hidden>
• WARM1d [RFC PATCH v7 11/28] KVM: arm64: Add a new VCPU device control group for SPE
  2026-09-03 · Alexandru Elisei <hidden>
• WARM1d [RFC PATCH v7 07/28] KVM: arm64: Add KVM_ARM_VCPU_SPE VCPU feature
  2026-09-03 · Alexandru Elisei <hidden>
• WARM1d [RFC PATCH v7 06/28] KVM: arm64: Add KVM_CAP_ARM_SPE capability
  2026-09-03 · Alexandru Elisei <hidden>
• WARM3d REVIEWED: 2 (2M) [PATCH v3 7/8] hwtracing: hisi_ptt: Add pattern PMU config for trace format selection
  2026-09-03 · Sizhe Liu <liusizhe5@huawei.com>
• WARM3d [RFC v1 15/19] ptwrite uprobes: Add a tutorial and overview documentation
  2026-08-31 · Andi Kleen <ak@kernel.org>
• WARM3d [RFC v1 07/19] ptwrite uprobes: Add support to tracing infrastructure
  2026-08-31 · Andi Kleen <ak@kernel.org>
• COOLING4d [PATCH v14 11/14] tracing/wprobe: Add set_wprobe and clear_wprobe event triggers
  2026-08-30 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COOLING4d [PATCH v14 07/14] tracing/wprobe: Add wprobe (watchpoint probe) trace event support
  2026-08-30 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COOLING4d [PATCH v2 7/8] hwtracing: hisi_ptt: Add pattern PMU config for trace format selection
  2026-08-27 · Sizhe Liu <liusizhe5@huawei.com>
• COOLING7d [PATCH v13 09/12] tracing/wprobe: Add set_wprobe and clear_wprobe event triggers
  2026-08-22 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COOLING7d [PATCH v13 05/12] tracing/wprobe: Add wprobe (watchpoint probe) trace event support
  2026-08-22 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COOLING9d [PATCH v2 06/14] perf auxtrace: Turn Intel BTS snapshot search into a generic one
  2026-08-21 · James Clark <james.clark@linaro.org>
• COOLING13d [PATCH v2 5/5] Documentation: coresight: Document context-sensitive PGO workflow
  2026-08-17 · Amir Ayupov <hidden>
• COLD22d [RFC PATCH 2/5] perf/core: add AUX ring accessors for kernel consumers
  2026-08-14 · Kunwu Chan <hidden>
• COLD25d [PATCH 06/14] perf auxtrace: Turn Intel BTS snapshot search into a generic one
  2026-08-11 · James Clark <james.clark@linaro.org>
• COLD16d [PATCH v12 08/11] tracing/wprobe: Add set_wprobe and clear_wprobe event triggers
  2026-08-07 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COLD16d [PATCH v12 04/11] tracing/wprobe: Add wprobe (watchpoint probe) trace event support
  2026-08-07 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COLD29d [PATCH V5 6/6] powerpc/perf/htm: Add documentation for Hardware Trace Macro PMU
  2026-08-07 · Athira Rajeev <hidden>
• COLD24d [PATCH 9/9] Documentation: coresight: Document context-sensitive PGO workflow
  2026-08-03 · Amir Ayupov <hidden>
• COLD30d [PATCH v11 08/11] tracing: wprobe: Add wprobe event trigger
  2026-08-02 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COLD30d [PATCH v11 04/11] tracing: wprobe: Add watchpoint probe event based on hardware breakpoint
  2026-08-02 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COLD35d REVIEWED: 3 (3M) [PATCH v2 1/3] perf hisi-ptt: Fix PTT trace TLP header parsing
  2026-07-30 · Sizhe Liu <liusizhe5@huawei.com>

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.

• STALE89d [PATCH v2 4/6] rtla: Parse cmdline using libsubcmd
  2026-05-21 · Tomas Glozar <tglozar@redhat.com>
• STALE89d IN LINUX-NEXT [PATCH v3 4/6] rtla: Parse cmdline using libsubcmd
  2026-05-28 · Tomas Glozar <tglozar@redhat.com>
• STALE88d [PATCH v4 15/19] perf test cs-etm: Remove unused Coresight workloads
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD48d [PATCH 5/5] powerpc/perf/htm: Add documentation for Hardware Trace Macro PMU
  2026-07-01 · Athira Rajeev <hidden>
• COLD53d [RFC PATCH 08/22] docs: perf: Add TI K3 DDR PMU documentation
  2026-07-14 · MANNURU VENKATESWARLU <hidden>
• COLD50d [PATCH v9 01/10] tracing: wprobe: Add watchpoint probe event based on hardware breakpoint
  2026-07-17 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COLD50d [PATCH v9 08/10] tracing: wprobe: Add wprobe event trigger
  2026-07-17 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COLD42d [PATCH V3 6/6] powerpc/perf/htm: Add documentation for Hardware Trace Macro PMU
  2026-07-25 · Athira Rajeev <hidden>
• COLD38d [PATCH V4 6/6] powerpc/perf/htm: Add documentation for Hardware Trace Macro PMU
  2026-07-29 · Athira Rajeev <hidden>
• COLD24d [PATCH 9/9] Documentation: coresight: Document context-sensitive PGO workflow
  2026-08-03 · Amir Ayupov <hidden>