From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 31146D0EE13 for ; Tue, 25 Nov 2025 18:20:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=1tluzEY4RrIKF2DOKsggozJgOU1t5QmUMNNGqnvi5Lc=; b=RJUgmXz7Ihh5W56ElgZBvlCd/h wECnw8ScteootCYS/9fh1kChctGMueCHBzUSqno/LaayFOXZayx4+3/GOWvZvJLdOWyx2X6+qUn7s qWiVmFEredp0/+qlDIofH3wOkvBQXBYAp+fjaB+mF/nSGmV1/Ql0DmRbBC4bP0Z1m9cJMFfVoJP61 8mxVpYKBbv91iTCSWpFQaEnu9TMY5SEtnZIjMRTZxgLh6Mbk3onrfJgZBMTJgOTVUe5SAvJI+TJ/m mih4ZTe+LRidgVreEAcs9c96n75zP+hTI4St6yogZWj4PDNuld0Q5yaQq9FlRIfPnE8dGnFhxfGTX 9CMykO5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNxdx-0000000Dl0y-2Pfd; Tue, 25 Nov 2025 18:20:01 +0000 Received: from sea.source.kernel.org ([2600:3c0a:e001:78e:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vNxdu-0000000Dl0K-10Gc for linux-arm-kernel@lists.infradead.org; Tue, 25 Nov 2025 18:19:59 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id CBFE643A5B; Tue, 25 Nov 2025 18:19:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2EFB1C4CEF1; Tue, 25 Nov 2025 18:19:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1764094796; bh=JqVxqmKgveQ4mM7FHqLJrAlhvzcxt5uAmECWD1G3BDw=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=FoYLN0TK91L60aqjWus5gtSj8eX812KlfpiKTBBu552TlhYlvZOO0koBhaQR7WI4q IgeXNBmuQtlPIJ5EFRyJgJ6y4vNjXi+Po48mlfwrJh4xYdJxO5DhazCm3FYRwa48Rs 2/S2j3YinT37RDY3To0krQUcN2Gj+k4iu1bBuLgZ+rAgwuaSfrGD4Cdj8P5Tf/dsC5 y59zGnIbIN21a+aEn45awi9p+iZ/Xe7swJi5R4ldjdAemdSaklfqvB2INxYkygo7RQ 9wiWZ13YN7qEnYx0SmzG4259wjEe/EepLM3eghXZP4MCLmHMi8CVlIKCUk35wQ85q/ wIerVhSPQve8g== Date: Tue, 25 Nov 2025 10:19:51 -0800 From: Namhyung Kim To: James Clark Cc: Catalin Marinas , Will Deacon , Mark Rutland , Jonathan Corbet , Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Leo Yan , Anshuman Khandual , 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 Subject: Re: [PATCH v10 0/5] perf: arm_spe: Armv8.8 SPE features Message-ID: References: <20251111-james-perf-feat_spe_eft-v10-0-1e1b5bf2cd05@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20251111-james-perf-feat_spe_eft-v10-0-1e1b5bf2cd05@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251125_101958_341485_77612CB8 X-CRM114-Status: GOOD ( 20.14 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Nov 11, 2025 at 11:37:54AM +0000, James Clark wrote: > Support SPE_FEAT_FDS data source filtering. > > --- > Changes in v10: > - Pick up Peter's ack > - Slightly clarify commit message regarding the difference between the > data source filter and the data source > - Link to v9: https://lore.kernel.org/r/20251029-james-perf-feat_spe_eft-v9-0-d22536b9cf94@linaro.org > > Changes in v9: > - Fix another typo in docs: s/data_src_filter/inv_data_src_filter/g > - Drop already applied patches for other features. Only the data source > filtering patches remain. > - Rebase on latest perf-tools-next > - Link to v8: https://lore.kernel.org/r/20250901-james-perf-feat_spe_eft-v8-0-2e2738f24559@linaro.org > > Changes in v8: > - Define __spe_vers_imp before it's used > - "disable traps to PMSDSFR" -> "disable traps of PMSDSFR to EL2" > - Link to v7: https://lore.kernel.org/r/20250814-james-perf-feat_spe_eft-v7-0-6a743f7fa259@linaro.org > > Changes in v7: > - Fix typo in docs: s/data_src_filter/inv_data_src_filter/g > - Pickup trailers > - Link to v6: https://lore.kernel.org/r/20250808-james-perf-feat_spe_eft-v6-0-6daf498578c8@linaro.org > > Changes in v6: > - Rebase to resolve conflict with BRBE changes in el2_setup.h > - Link to v5: https://lore.kernel.org/r/20250721-james-perf-feat_spe_eft-v5-0-a7bc533485a1@linaro.org > > Changes in v5: > - Forgot to pickup tags from v4 > - Forgot to drop test and review tags on v4 patches that were > significantly modified > - Update commit message for data source filtering to mention inversion > - Link to v4: https://lore.kernel.org/r/20250721-james-perf-feat_spe_eft-v4-0-0a527410f8fd@linaro.org > > Changes in v4: > - Rewrite "const u64 feat_spe_eft_bits" inline > - Invert data source filter so that it's possible to exclude all data > sources without adding an additional 'enable filter' flag > - Add a macro in el2_setup.h to check for an SPE version > - Probe valid filter bits instead of hardcoding them > - Take in Leo's commit to expose the filter bits as it depends on the > new filter probing > - Link to v3: https://lore.kernel.org/r/20250605-james-perf-feat_spe_eft-v3-0-71b0c9f98093@linaro.org > > 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 (5): > 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 Applied the tools part to perf-tools-next, thanks! Best regards, Namhyung