From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f44.google.com (mail-wm1-f44.google.com [209.85.128.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A2E6A2522B6 for ; Mon, 30 Jun 2025 13:26:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.44 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751289980; cv=none; b=oU0e+avfBKxY49cyjw9zJSAMFscXUnnJn3Plu3ztEb2jkIH3c3YM1PL3KVE9yRbMxpFyUTCLifpOibFXPoCi9s7tyYweHj9azRR0YKisgsR2L1Vqo3PUalsy2zQboFHU4ob61zxeotn0gJFv7YXCoFd5zF5sR8NVnRe7d9D5xmI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751289980; c=relaxed/simple; bh=zAp7B/cd+BfVWsSs8Ec9IsdTrIVawQH9FTL4oc9BjqQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=j7XT1zXBkXbfxSOp0bmIxdSNbTRz+mLy6XAVYUzVxXnUPyMVzqFhyTGuJfMGCbrCeyGpwYKW5tKX43mHY39z7kZ8788ZHNe6yjCUzMNB9HiiXTesNoHdoB8C++ihxWvqV9b1vnVmxHFku/6K5JjpNG/wKMPihSqFQyfJ72SZmwc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org; spf=pass smtp.mailfrom=linaro.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b=IWvLn2gD; arc=none smtp.client-ip=209.85.128.44 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linaro.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linaro.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="IWvLn2gD" Received: by mail-wm1-f44.google.com with SMTP id 5b1f17b1804b1-4538bc1cffdso20820695e9.0 for ; Mon, 30 Jun 2025 06:26:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1751289977; x=1751894777; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=1LR7G+ibD4rgaTIYMC1yKY14KOB6Bt7LBBCN91SJpVU=; b=IWvLn2gDWyHkE3D/ROgoxvFRtww1jVHsPHUNJC3XVXBxCwVoQGLUodgWwd4harRMhC ab9jaEGxyq0DiI1YChgZxOji1rsn9EgRw0/96LC6SfzicPRMY8i16S0Jfm9c/To+n2vF dTe68YvR1m63LMWNgNcLl6qyI6KtUE8mFPBEcFa1VAhiMzlqOJpC0y9lDrllYWfp9FWK JzPjVLd/Xnk5ADMntmkyrGTC71oEvPz4aINjXLKcEQj9sGNbtUnnBfu7ZYAQr8HbQtQQ BNIdh9R32m4fInETJa6ZUdXkJh+uE726VH3PH+tc1qX2v0hjJT+Ql7HWG6CR6r0oGcCK Qb9g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751289977; x=1751894777; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=1LR7G+ibD4rgaTIYMC1yKY14KOB6Bt7LBBCN91SJpVU=; b=S1D6mqagvpeNK06jr1bystqTytm5HxsaN1FtpGasMhIgrOSiiKUmzpX8QyVfjZ17Ph xob4numoJ0yxDdlS3gwUR+Lw58SbFiM5xxGvZA+80TBBd+TLSs+DdJg4dn0FlSNRSnDy WOH16I9g9Uz7P7fAtKo/hs9/USjl5v8nzk/e9N/h4S6MA9uWu3OuTr2KPs8mihyJ7bKY ARK/1oI9vwkkoAB19M231hVRJw57b3jJ7jXqL+1TPYHnoV/Vv9IZ0OA33yfiV3b6bXSP fENKM9g2gCTKF+/IGAoBnqnhi4Eb9LCG4T7Hm5VZwrCy1wxFEw3KBhd0ZTh6cDm2vcEn 0ZJg== X-Forwarded-Encrypted: i=1; AJvYcCUK8x2DJsrs5Bh8R+N1ItrOd3hGDe3I+ZpPou8li+YmH20XEbtSP4kNN2gVpWjzf8oaNesQ680SvaY=@vger.kernel.org X-Gm-Message-State: AOJu0YyVk09LDGKFMz1JBvBQZWp0grs6csg/hRKkUtO9Gp3yZleba/yx 2TUw47uB/VEeRCcnCmAHkipESOg7Vw/EoRe2tESvZPmskF8kGgpE/7aKpRzrO4VMUC0= X-Gm-Gg: ASbGncvnS78IxDTzMpgZi5p8eBKkXXZOaggG76CBotp3Mzzanig3yW8F728HKaGl8B0 SPHWJ3OKIomSGZ3+K5OW2z/FKUsXMupT6RUN01KcDslV27SMvSP03ZTYFnDeFMztZovjgGrGu5p 085myXEsa9AG7U1eQlP4jnpQPbYKER7xgC6xl3wpFtIdGRzDLVeoNmq3Msuo1K6MDhCRM6IXCur RrGVlrErVwPcRDv2jEPhweOcEhWVhmmo5xujc2W7G+PO7GDzMiySML2lk6VGOIxArMOCoye+Vdd rwkLqQT/FsSUuvji1IEyNbwHciBcCIoaw2rPxlMSbmphPgWln9Cr2v3IkhlHZ2o2MaI= X-Google-Smtp-Source: AGHT+IHXyDPllAQfiCnHOhBWNnf3nw0YYqRMT7LLRAVDyR5oQC0yCAsnt4bSuJQio4g5UH+jS57AqA== X-Received: by 2002:a05:600c:3ba1:b0:450:d04e:22d6 with SMTP id 5b1f17b1804b1-4538ee565damr129693165e9.7.1751289976911; Mon, 30 Jun 2025 06:26:16 -0700 (PDT) Received: from [192.168.1.3] ([37.18.136.128]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4538a3fe592sm132598425e9.21.2025.06.30.06.26.15 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Jun 2025 06:26:16 -0700 (PDT) Message-ID: <5ecf74f6-08a0-474c-b0ff-32075af7ae03@linaro.org> Date: Mon, 30 Jun 2025 14:26:14 +0100 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 00/10] perf: arm_spe: Armv8.8 SPE features To: Will Deacon , Mark Rutland , Marc Zyngier , Arnaldo Carvalho de Melo , Namhyung Kim Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Peter Zijlstra , Ingo Molnar , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , leo.yan@arm.com, Jonathan Corbet , Catalin Marinas References: <20250605-james-perf-feat_spe_eft-v3-0-71b0c9f98093@linaro.org> Content-Language: en-US From: James Clark In-Reply-To: <20250605-james-perf-feat_spe_eft-v3-0-71b0c9f98093@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 05/06/2025 11:48 am, 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. > > To: > > --- > Changes in v3: > - Use PMSIDR_EL1_FDS instead of 1 << PMSIDR_EL1_FDS_SHIFT > - Add VNCR offsets > - Link to v2: https://lore.kernel.org/r/20250529-james-perf-feat_spe_eft-v2-0-a01a9baad06a@linaro.org > > Changes in v2: > - Fix detection of FEAT_SPE_FDS in el2_setup.h > - Pickup Marc Z's sysreg change instead which matches the json > - Restructure and expand docs changes > - Link to v1: https://lore.kernel.org/r/20250506-james-perf-feat_spe_eft-v1-0-dd480e8e4851@linaro.org > > --- > James Clark (10): > arm64: sysreg: Add new PMSFCR_EL1 fields and PMSDSFR_EL1 register > perf: arm_spe: Support FEAT_SPEv1p4 filters > perf: arm_spe: Add support for FEAT_SPE_EFT extended filtering > arm64/boot: Enable EL2 requirements for SPE_FEAT_FDS > KVM: arm64: Add trap configs for PMSDSFR_EL1 > perf: Add perf_event_attr::config4 > perf: arm_spe: Add support for filtering on data source > tools headers UAPI: Sync linux/perf_event.h with the kernel sources > perf tools: Add support for perf_event_attr::config4 > perf docs: arm-spe: Document new SPE filtering features > > Documentation/arch/arm64/booting.rst | 11 ++++ > arch/arm64/include/asm/el2_setup.h | 14 +++++ > arch/arm64/include/asm/sysreg.h | 7 +++ > arch/arm64/include/asm/vncr_mapping.h | 2 + > arch/arm64/kvm/emulate-nested.c | 1 + > arch/arm64/kvm/sys_regs.c | 1 + > arch/arm64/tools/sysreg | 13 +++- > drivers/perf/arm_spe_pmu.c | 100 +++++++++++++++++++++++++++++- > include/uapi/linux/perf_event.h | 2 + > tools/include/uapi/linux/perf_event.h | 2 + > tools/perf/Documentation/perf-arm-spe.txt | 97 ++++++++++++++++++++++++++--- > tools/perf/tests/parse-events.c | 14 ++++- > tools/perf/util/parse-events.c | 11 ++++ > tools/perf/util/parse-events.h | 1 + > tools/perf/util/parse-events.l | 1 + > tools/perf/util/pmu.c | 8 +++ > tools/perf/util/pmu.h | 1 + > 17 files changed, 273 insertions(+), 13 deletions(-) > --- > base-commit: ec7714e4947909190ffb3041a03311a975350fe0 > change-id: 20250312-james-perf-feat_spe_eft-66cdf4d8fe99 > > Best regards, Gentle ping, thanks