linux-kernel - [PATCH 00/10] perf: Clean up common uncore boilerplate

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Message-Id: <cover.1710257512.git.robin.murphy@arm.com>
Date: Tue, 12 Mar 2024 17:34:02 +0000
From: Robin Murphy <robin.murphy@....com>
To: Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Will Deacon <will@...nel.org>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>,
	Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	x86@...nel.org,
	linux-perf-users@...r.kernel.org,
	jialong.yang@...ngroup.cn
Subject: [PATCH 00/10] perf: Clean up common uncore boilerplate

Hi all,

Since this came up yet again recently, and it's an idea which has been
nagging me for years, I decided it was time to see how hard it really
would be to start shaving this yak. And it turns out to be refreshingly
simple - the core code has quietly become capable of doing most of what
we want, the one new functional addition is trivial (patch #2), and the
resulting largely-mechanical cleanup seems a pretty nice win.

This series is focused on drivers/perf/ as that's where most mess is
concentrated, but figured I'd include the arch/ patches as well since
they might be reasonable to land with the core changes, at least for x86
(FWIW I did also look at the powerpc drivers but they scared me and I
ran away; sorry). The remaining stragglers elsewhere around the tree I'd
come back to as a follow-up.

(And yes, I appreciate it's mid-merge-window already, but since I do
have a tree-wide rename proposed here, may as well give the discussion
a chance for a head start before -rc1...)

Thanks,
Robin.


Robin Murphy (10):
  perf/alibaba_uncore_drw: Use correct CPU affinity
  perf: Add capability for common event support
  drivers/perf: Use PERF_PMU_CAP_NO_COMMON_EVENTS
  perf: Rename PERF_PMU_CAP_NO_INTERRUPT
  drivers/perf: Use PERF_PMU_CAP_NO_SAMPLING consistently
  drivers/perf: Clean up redundant per-task checks
  perf: Define common uncore capabilities
  drivers/perf: Use common uncore capabilities
  x86: Use common uncore PMU capabilities
  ARM: Use common uncore PMU capabilities

 arch/arc/kernel/perf_event.c              |  2 +-
 arch/arm/mach-imx/mmdc.c                  | 16 +-------------
 arch/arm/mm/cache-l2x0-pmu.c              | 12 +---------
 arch/csky/kernel/perf_event.c             |  2 +-
 arch/powerpc/perf/8xx-pmu.c               |  2 +-
 arch/powerpc/perf/hv-24x7.c               |  2 +-
 arch/powerpc/perf/hv-gpci.c               |  2 +-
 arch/powerpc/platforms/pseries/papr_scm.c |  2 +-
 arch/s390/kernel/perf_cpum_cf.c           |  2 +-
 arch/sh/kernel/perf_event.c               |  2 +-
 arch/x86/events/amd/iommu.c               | 17 +-------------
 arch/x86/events/amd/power.c               | 10 +--------
 arch/x86/events/amd/uncore.c              | 12 +++-------
 arch/x86/events/core.c                    |  2 +-
 arch/x86/events/intel/cstate.c            | 16 +++-----------
 arch/x86/events/intel/uncore.c            | 11 +--------
 arch/x86/events/intel/uncore_snb.c        | 20 +++--------------
 arch/x86/events/msr.c                     |  9 +-------
 arch/x86/events/rapl.c                    |  9 +-------
 drivers/fpga/dfl-fme-perf.c               |  2 +-
 drivers/perf/alibaba_uncore_drw_pmu.c     | 27 +++--------------------
 drivers/perf/amlogic/meson_ddr_pmu_core.c | 11 +--------
 drivers/perf/arm-cci.c                    | 15 +------------
 drivers/perf/arm-ccn.c                    | 20 +----------------
 drivers/perf/arm-cmn.c                    | 10 +--------
 drivers/perf/arm_cspmu/arm_cspmu.c        | 27 ++---------------------
 drivers/perf/arm_dmc620_pmu.c             | 18 +--------------
 drivers/perf/arm_dsu_pmu.c                | 22 +-----------------
 drivers/perf/arm_pmu_platform.c           |  2 +-
 drivers/perf/arm_smmuv3_pmu.c             | 15 +------------
 drivers/perf/arm_spe_pmu.c                |  7 ++----
 drivers/perf/cxl_pmu.c                    |  8 +------
 drivers/perf/dwc_pcie_pmu.c               | 13 +----------
 drivers/perf/fsl_imx8_ddr_perf.c          | 13 +----------
 drivers/perf/fsl_imx9_ddr_perf.c          | 13 +----------
 drivers/perf/hisilicon/hisi_pcie_pmu.c    | 10 +--------
 drivers/perf/hisilicon/hisi_uncore_pmu.c  | 20 +----------------
 drivers/perf/hisilicon/hns3_pmu.c         |  9 +-------
 drivers/perf/marvell_cn10k_ddr_pmu.c      | 15 +------------
 drivers/perf/marvell_cn10k_tad_pmu.c      |  6 +----
 drivers/perf/qcom_l2_pmu.c                | 21 ++----------------
 drivers/perf/qcom_l3_pmu.c                | 21 +-----------------
 drivers/perf/riscv_pmu_sbi.c              |  2 +-
 drivers/perf/thunderx2_pmu.c              | 17 +-------------
 drivers/perf/xgene_pmu.c                  | 16 +-------------
 include/linux/perf_event.h                |  6 ++++-
 kernel/events/core.c                      |  7 +++++-
 47 files changed, 67 insertions(+), 456 deletions(-)

-- 
2.39.2.101.g768bb238c484.dirty