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

Most active threads (last 7 days)

• WARM1d [RFC PATCH 00/24] pidfd: add a minimal process spawn builder
  2026-07-16 14:45 · 1 reply in 7d · Li Chen <hidden>

Recent patches

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

• WARM1d [RFC PATCH 22/24] pidfd: expose spawn builder system calls
  2026-07-16 · Li Chen <hidden>
• COLD16d [RFC PATCH 3/8] mm: page_alloc: add a reserved THP allocation primitive
  2026-06-27 · Qi Zheng <qi.zheng@linux.dev>
• STALE239d [RFC PATCH 3/8] fs: Add initial buffered atomic write support info to statx
  2025-11-12 · Ojaswin Mujoo <ojaswin@linux.ibm.com>
• STALE239d [RFC PATCH 1/8] fs: Rename STATX{_ATTR}_WRITE_ATOMIC -> STATX{_ATTR}_WRITE_ATOMIC_DIO
  2025-11-12 · Ojaswin Mujoo <ojaswin@linux.ibm.com>
• STALE280d REVIEWED: 1 (1M) [PATCH v7 05/16] perf bench mem: Switch from zalloc() to mmap()
  2025-09-17 · Ankur Arora <hidden>
• STALE280d [PATCH v7 06/16] perf bench mem: Allow mapping of hugepages
  2025-09-17 · Ankur Arora <hidden>
• STALE280d REVIEWED: 1 (1M) [PATCH v7 01/16] perf bench mem: Remove repetition around time measurement
  2025-09-17 · Ankur Arora <hidden>
• STALE280d REVIEWED: 1 (1M) [PATCH v7 07/16] perf bench mem: Allow chunking on a memory region
  2025-09-17 · Ankur Arora <hidden>
• STALE280d LANDED: 1 (1M) [PATCH v7 03/16] perf bench mem: Move mem op parameters into a structure
  2025-09-17 · Ankur Arora <hidden>
• STALE280d REVIEWED: 1 (1M) [PATCH v7 04/16] perf bench mem: Pull out init/fini logic
  2025-09-17 · Ankur Arora <hidden>
• STALE280d LANDED: 1 (1M) [PATCH v7 02/16] perf bench mem: Defer type munging of size to float
  2025-09-17 · Ankur Arora <hidden>
• STALE280d [PATCH v7 09/16] perf bench mem: Add mmap() workloads
  2025-09-17 · Ankur Arora <hidden>
• STALE280d REVIEWED: 1 (1M) [PATCH v7 08/16] perf bench mem: Refactor mem_options
  2025-09-17 · Ankur Arora <hidden>
• STALE308d [PATCH v6 09/15] perf bench mem: Add mmap() workloads
  2025-09-02 · Ankur Arora <hidden>
• STALE308d [PATCH v6 06/15] perf bench mem: Allow mapping of hugepages
  2025-09-02 · Ankur Arora <hidden>
• STALE308d REVIEWED: 1 (1M) [PATCH v6 08/15] perf bench mem: Refactor mem_options
  2025-09-02 · Ankur Arora <hidden>
• STALE308d REVIEWED: 1 (1M) [PATCH v6 05/15] perf bench mem: Switch from zalloc() to mmap()
  2025-09-02 · Ankur Arora <hidden>
• STALE308d [PATCH v6 04/15] perf bench mem: Pull out init/fini logic
  2025-09-02 · Ankur Arora <hidden>
• STALE308d REVIEWED: 1 (1M) [PATCH v6 03/15] perf bench mem: Move mem op parameters into a structure
  2025-09-02 · Ankur Arora <hidden>
• STALE308d REVIEWED: 1 (1M) [PATCH v6 07/15] perf bench mem: Allow chunking on a memory region
  2025-09-02 · Ankur Arora <hidden>
• STALE308d REVIEWED: 1 (1M) [PATCH v6 02/15] perf bench mem: Defer type munging of size to float
  2025-09-02 · Ankur Arora <hidden>
• STALE308d REVIEWED: 1 (1M) [PATCH v6 01/15] perf bench mem: Remove repetition around time measurement
  2025-09-02 · Ankur Arora <hidden>
• STALE317d [PATCH 8/8] selftests: riscv: Add test for hardware breakpoints
  2025-08-22 · Jesse Taube <hidden>
• STALE329d [PATCH 8/8] selftests: riscv: Add test for hardware breakpoints
  2025-08-05 · Jesse Taube <hidden>
• STALE366d [PATCH v5 02/14] perf bench mem: Defer type munging of size to float
  2025-07-10 · Ankur Arora <hidden>
• STALE366d [PATCH v5 03/14] perf bench mem: Move mem op parameters into a structure
  2025-07-10 · Ankur Arora <hidden>
• STALE366d [PATCH v5 01/14] perf bench mem: Remove repetition around time measurement
  2025-07-10 · Ankur Arora <hidden>
• STALE366d [PATCH v5 09/14] perf bench mem: Add mmap() workloads
  2025-07-10 · Ankur Arora <hidden>
• STALE366d [PATCH v5 07/14] perf bench mem: Allow chunking on a memory region
  2025-07-10 · Ankur Arora <hidden>
• STALE366d [PATCH v5 08/14] perf bench mem: Refactor mem_options
  2025-07-10 · Ankur Arora <hidden>