linux-kernel - Re: [PATCH v2 00/11] perf: arm

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Message-ID: <20250529164839.GN2566836@e132581.arm.com>
Date: Thu, 29 May 2025 17:48:39 +0100
From: Leo Yan <leo.yan@....com>
To: James Clark <james.clark@...aro.org>
Cc: Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....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>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
	Jiri Olsa <jolsa@...nel.org>, Ian Rogers <irogers@...gle.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-perf-users@...r.kernel.org, linux-doc@...r.kernel.org,
	kvmarm@...ts.linux.dev
Subject: Re: [PATCH v2 00/11] perf: arm_spe: Armv8.8 SPE features

On Thu, May 29, 2025 at 12:30:21PM +0100, James Clark wrote:
> Support 3 new SPE features: FEAT_SPEv1p4 filters, FEAT_SPE_EFT extended
> filtering, and SPE_FEAT_FDS data source filtering. The features are
> independent can be applied separately:
> 
>   * Prerequisite sysreg changes - patches 1 - 2
>   * FEAT_SPEv1p4 - patch 3
>   * FEAT_SPE_EFT - patch 4
>   * FEAT_SPE_FDS - patches 5 - 8
>   * FEAT_SPE_FDS Perf tool changes - patches 9 - 11
> 
> The first two features will work with old Perfs but a Perf change to
> parse the new config4 is required for the last feature.

I tested the load_filter_mask / store_filter_mask (FEAT_SPE_EFT) and
data_src_filter (SPE_FEAT_FDS), all of them work as expected.

Tested-by: Leo Yan <leo.yan@....com>