linux-kernel - Re: [PATCH v20 00/11] arm64/perf: Enable branch stack sampling

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Message-Id: <174080569248.3208873.17639032755999041028.b4-ty@kernel.org>
Date: Sat,  1 Mar 2025 07:05:24 +0000
From: Will Deacon <will@...nel.org>
To: Mark Rutland <mark.rutland@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	Jonathan Corbet <corbet@....net>,
	Marc Zyngier <maz@...nel.org>,
	Oliver Upton <oliver.upton@...ux.dev>,
	Joey Gouly <joey.gouly@....com>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Zenghui Yu <yuzenghui@...wei.com>,
	James Clark <james.clark@...aro.org>,
	Anshuman Khandual <anshuman.khandual@....com>,
	Leo Yan <leo.yan@....com>,
	"Rob Herring (Arm)" <robh@...nel.org>
Cc: kernel-team@...roid.com,
	Will Deacon <will@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org,
	kvmarm@...ts.linux.dev,
	Mark Brown <broonie@...nel.org>
Subject: Re: [PATCH v20 00/11] arm64/perf: Enable branch stack sampling

On Tue, 18 Feb 2025 14:39:55 -0600, Rob Herring (Arm) wrote:
> This series enables perf branch stack sampling support on arm64 via a
> v9.2 arch feature called Branch Record Buffer Extension (BRBE). Details
> on BRBE can be found in the Arm ARM[1] chapter D18.
> 
> I've picked up this series from Anshuman. v19 and v20 versions have been
> reworked quite a bit by Mark and myself. The bulk of those changes are
> in patch 11.
> 
> [...]

Applied cleanups to will (for-next/perf), thanks!

[01/11] perf: arm_pmuv3: Call kvm_vcpu_pmu_resync_el0() before enabling counters
        https://git.kernel.org/will/c/04bd15c4cbc3
[02/11] perf: arm_pmu: Don't disable counter in armpmu_add()
        https://git.kernel.org/will/c/dcca27bc1ecc
[03/11] perf: arm_pmuv3: Don't disable counter in armv8pmu_enable_event()
        https://git.kernel.org/will/c/4b0567ad0be5
[04/11] perf: arm_v7_pmu: Drop obvious comments for enabling/disabling counters and interrupts
        https://git.kernel.org/will/c/7a5387748215
[05/11] perf: arm_v7_pmu: Don't disable counter in (armv7|krait_|scorpion_)pmu_enable_event()
        https://git.kernel.org/will/c/7bf1001e0d91
[06/11] perf: apple_m1: Don't disable counter in m1_pmu_enable_event()
        https://git.kernel.org/will/c/c2e793da59fc
[07/11] perf: arm_pmu: Move PMUv3-specific data
        https://git.kernel.org/will/c/dc4d58a752ea

Cheers,
-- 
Will

https://fixes.arm64.dev
https://next.arm64.dev
https://will.arm64.dev