performance events subsystem · Supported

Maintainers

• M Peter Zijlstra <peterz@infradead.org>
• M Ingo Molnar <mingo@redhat.com>
• M Arnaldo Carvalho de Melo <acme@kernel.org>
• M Namhyung Kim <namhyung@kernel.org>
• R Mark Rutland <mark.rutland@arm.com>
• R Alexander Shishkin <alexander.shishkin@linux.intel.com>
• R Jiri Olsa <jolsa@kernel.org>
• R Ian Rogers <irogers@google.com>
• R Adrian Hunter <adrian.hunter@intel.com>
• R James Clark <james.clark@linaro.org>

Paths

• F arch/*/events/*
• F arch/*/events/*/*
• F arch/*/include/asm/perf_event.h
• F arch/*/kernel/*/*/perf_event*.c
• F arch/*/kernel/*/perf_event*.c
• F arch/*/kernel/perf_callchain.c
• F arch/*/kernel/perf_event*.c
• F include/linux/perf_event.h
• F include/uapi/linux/perf_event.h
• F kernel/events/*
• F tools/lib/perf/
• F tools/perf/

Last 30 days

Recent patches

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

• COOLING9d [PATCH v13 04/11] perf/probe: Ignore comment lines in dynamic_events/kprobe_events file
  2026-06-29 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COOLING11d [PATCH v12 04/11] perf/probe: Ignore comment lines in dynamic_events/kprobe_events file
  2026-06-28 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COOLING12d [PATCH v11 04/11] perf/probe: Ignore comment lines in dynamic_events/kprobe_events file
  2026-06-26 · "Masami Hiramatsu (Google)" <mhiramat@kernel.org>
• COLD27d [PATCH 13/21] perf: Add perf_pmu_resched_update()
  2026-06-12 · Colton Lewis <hidden>
• COLD29d REVIEWED: 1 (1M) [PATCH v5 19/19] perf test cs-etm: Move existing tests to coresight folder
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d REVIEWED: 1 (1M) [PATCH v5 18/19] perf test cs-etm: Speed up disassembly test
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d REVIEWED: 1 (1M) [PATCH v5 17/19] perf test cs-etm: Add all branch instructions to test
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d [PATCH v5 16/19] perf test cs-etm: Make disassembly test use kcore
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d [PATCH v5 15/19] perf test cs-etm: Remove unused Coresight workloads
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d REVIEWED: 1 (1M) [PATCH v5 14/19] perf test cs-etm: Speed up basic test
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d REVIEWED: 1 (1M) [PATCH v5 13/19] perf test cs-etm: Reduce snapshot size
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d [PATCH v5 12/19] perf test cs-etm: Skip if not root
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d REVIEWED: 1 (1M) [PATCH v5 11/19] perf test cs-etm: Remove duplicate branch tests
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d REVIEWED: 1 (1M) [PATCH v5 10/19] perf test cs-etm: Test decoding for concurrent threads test
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d [PATCH v5 09/19] perf test: Add named_threads workload
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d [PATCH v5 08/19] perf test cs-etm: Replace memcpy test with raw dump stress test
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d REVIEWED: 1 (1M) [PATCH v5 07/19] perf test cs-etm: Remove asm_pure_loop test
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d [PATCH v5 06/19] perf test cs-etm: Replace unroll loop thread with deterministic decode test
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d REVIEWED: 1 (1M) [PATCH v5 05/19] perf test: Add deterministic workload
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d REVIEWED: 1 (1M) [PATCH v5 04/19] perf test cs-etm: Test process attribution
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d [PATCH v5 03/19] perf test: Add a workload that forces context switches
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d [PATCH v5 02/19] perf test: Add workload-ctl option
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD29d [PATCH v5 01/19] perf cs-etm: Queue context packets for frontend
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD30d REVIEWED: 1 (1M) [PATCH v4 19/19] perf test cs-etm: Move existing tests to coresight folder
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD30d REVIEWED: 1 (1M) [PATCH v4 18/19] perf test cs-etm: Speed up disassembly test
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD30d REVIEWED: 1 (1M) [PATCH v4 17/19] perf test cs-etm: Add all branch instructions to test
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD30d [PATCH v4 16/19] perf test cs-etm: Make disassembly test use kcore
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD30d [PATCH v4 15/19] perf test cs-etm: Remove unused Coresight workloads
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD30d REVIEWED: 1 (1M) [PATCH v4 14/19] perf test cs-etm: Speed up basic test
  2026-06-09 · James Clark <james.clark@linaro.org>
• COLD30d REVIEWED: 1 (1M) [PATCH v4 13/19] perf test cs-etm: Reduce snapshot size
  2026-06-09 · James Clark <james.clark@linaro.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.

• COLD30d REVIEWED: 1 (1M) [PATCH v4 10/19] perf test cs-etm: Test decoding for concurrent threads test
  2026-06-09 · James Clark <james.clark@linaro.org> · 1 Reviewed-by
• COLD30d REVIEWED: 1 (1M) [PATCH v4 17/19] perf test cs-etm: Add all branch instructions to test
  2026-06-09 · James Clark <james.clark@linaro.org> · 1 Reviewed-by
• COLD30d REVIEWED: 1 (1M) [PATCH v4 19/19] perf test cs-etm: Move existing tests to coresight folder
  2026-06-09 · James Clark <james.clark@linaro.org> · 1 Reviewed-by
• COLD29d REVIEWED: 1 (1M) [PATCH v5 10/19] perf test cs-etm: Test decoding for concurrent threads test
  2026-06-09 · James Clark <james.clark@linaro.org> · 1 Reviewed-by
• COLD29d REVIEWED: 1 (1M) [PATCH v5 17/19] perf test cs-etm: Add all branch instructions to test
  2026-06-09 · James Clark <james.clark@linaro.org> · 1 Reviewed-by
• COLD29d REVIEWED: 1 (1M) [PATCH v5 18/19] perf test cs-etm: Speed up disassembly test
  2026-06-09 · James Clark <james.clark@linaro.org> · 1 Reviewed-by
• COLD29d REVIEWED: 1 (1M) [PATCH v5 19/19] perf test cs-etm: Move existing tests to coresight folder
  2026-06-09 · James Clark <james.clark@linaro.org> · 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.

• COLD36d [PATCH v3 02/19] perf test: Add workload-ctl option
  2026-06-03 · James Clark <james.clark@linaro.org>
• COLD36d [PATCH v3 04/19] perf test cs-etm: Test process attribution
  2026-06-03 · James Clark <james.clark@linaro.org>
• COLD36d [PATCH v3 07/19] perf test cs-etm: Remove asm_pure_loop test
  2026-06-03 · James Clark <james.clark@linaro.org>
• COLD36d [PATCH v3 08/19] perf test cs-etm: Replace memcpy test with raw dump stress test
  2026-06-03 · James Clark <james.clark@linaro.org>
• COLD36d [PATCH v3 10/19] perf test cs-etm: Test decoding for concurrent threads test
  2026-06-03 · James Clark <james.clark@linaro.org>
• COLD36d [PATCH v3 11/19] perf test cs-etm: Remove duplicate branch tests
  2026-06-03 · James Clark <james.clark@linaro.org>
• COLD36d [PATCH v3 12/19] perf test cs-etm: Skip if not root
  2026-06-03 · James Clark <james.clark@linaro.org>
• COLD36d [PATCH v3 13/19] perf test cs-etm: Reduce snapshot size
  2026-06-03 · James Clark <james.clark@linaro.org>
• COLD36d [PATCH v3 14/19] perf test cs-etm: Speed up basic test
  2026-06-03 · James Clark <james.clark@linaro.org>
• COLD36d [PATCH v3 17/19] perf test cs-etm: Add all branch instructions to test
  2026-06-03 · James Clark <james.clark@linaro.org>