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

• STALE69d [PATCH v2 5/7] arch: hookup fchroot() system call
  2026-07-24 · Christian Brauner <brauner@kernel.org>
• COLD25d [RFC PATCH 22/24] pidfd: expose spawn builder system calls
  2026-07-16 · Li Chen <hidden>
• STALE331d [PATCH v6 1/5] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
  2025-10-10 · Maxime Bélair <hidden>
• STALE400d [PATCH 07/11] tools headers: Sync syscall tables with the kernel source
  2025-08-25 · Namhyung Kim <namhyung@kernel.org>
• STALE356d [PATCH v5 1/3] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
  2025-07-09 · Maxime Bélair <hidden>
• STALE457d [PATCH v4 1/3] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
  2025-07-01 · Maxime Bélair <hidden>
• STALE457d [PATCH v3 1/3] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
  2025-06-24 · Maxime Bélair <hidden>
• STALE468d [PATCH v2 1/3] Wire up lsm_config_self_policy and lsm_config_system_policy syscalls
  2025-06-19 · Maxime Bélair <hidden>
• STALE479d [PATCH net-next v3 1/6] tcp: support writing to a socket in listening state
  2025-06-09 · Jeremy Harris <hidden>
• STALE497d [PATCH net-next v2 1/6] tcp: support writing to a socket in listening state
  2025-05-21 · Jeremy Harris <hidden>
• STALE503d [PATCH 1/6] tcp: support writing to a socket in listening state
  2025-05-16 · Jeremy Harris <hidden>
• STALE502d [PATCH 1/3] Wire up the lsm_manage_policy syscall
  2025-05-06 · Maxime Bélair <hidden>
• STALE757d LANDED: 4 (4M) [PATCH RESEND v3 2/2] fhandle: expose u64 mount id to name_to_handle_at(2)
  2024-08-28 · Aleksa Sarai <hidden>
• STALE757d LANDED: 6 (6M) [PATCH RESEND v3 1/2] uapi: explain how per-syscall AT_* flags should be allocated
  2024-08-28 · Aleksa Sarai <hidden>
• STALE791d [PATCH RFC v3 2/2] fhandle: expose u64 mount id to name_to_handle_at(2)
  2024-08-01 · Aleksa Sarai <hidden>
• STALE791d [PATCH RFC v3 1/2] uapi: explain how per-syscall AT_* flags should be allocated
  2024-08-01 · Aleksa Sarai <hidden>
• STALE820d REVIEWED: 2 (2M) [PATCH v20 3/5] arch: allocate vgetrandom_alloc() syscall number
  2024-07-03 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE821d REVIEWED: 2 (2M) [PATCH v19 3/5] arch: allocate vgetrandom_alloc() syscall number
  2024-07-01 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE822d REVIEWED: 2 (2M) [PATCH v18 3/5] arch: allocate vgetrandom_alloc() syscall number
  2024-06-20 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE834d REVIEWED: 2 (2M) [PATCH v17 3/5] arch: allocate vgetrandom_alloc() syscall number
  2024-06-14 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE839d REVIEWED: 2 (2M) [PATCH v16 3/5] arch: allocate vgetrandom_alloc() syscall number
  2024-05-28 · "Jason A. Donenfeld" <Jason@zx2c4.com>
• STALE983d [RFC 1/1] eventpoll: support busy poll per epoll instance
  2024-01-20 · Joe Damato <hidden>
• STALE995d REVIEWED: 2 (2M) [PATCH v6 11/12] mm/mempolicy: add the mbind2 syscall
  2024-01-03 · Gregory Price <hidden>
• STALE995d REVIEWED: 2 (2M) [PATCH v6 10/12] mm/mempolicy: add get_mempolicy2 syscall
  2024-01-03 · Gregory Price <hidden>
• STALE995d REVIEWED: 2 (2M) [PATCH v6 09/12] mm/mempolicy: add set_mempolicy2 syscall
  2024-01-03 · Gregory Price <hidden>
• STALE1003d [PATCH v5 10/11] mm/mempolicy: add the mbind2 syscall
  2023-12-23 · Gregory Price <hidden>
• STALE1003d [PATCH v5 09/11] mm/mempolicy: add get_mempolicy2 syscall
  2023-12-23 · Gregory Price <hidden>
• STALE1003d [PATCH v5 08/11] mm/mempolicy: add set_mempolicy2 syscall
  2023-12-23 · Gregory Price <hidden>
• STALE1002d [PATCH v4 10/11] mm/mempolicy: add the mbind2 syscall
  2023-12-18 · Gregory Price <hidden>
• STALE1002d [PATCH v4 09/11] mm/mempolicy: add get_mempolicy2 syscall
  2023-12-18 · Gregory Price <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.

• COLD25d [RFC PATCH 22/24] pidfd: expose spawn builder system calls
  2026-07-16 · Li Chen <hidden>
• STALE69d [PATCH v2 5/7] arch: hookup fchroot() system call
  2026-07-24 · Christian Brauner <brauner@kernel.org>