From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DA9AF1FCCF7; Tue, 4 Mar 2025 11:25:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741087512; cv=none; b=V3VFPKfGHSIdmynlNWIweL3Wr14p61zj3GTbZFFfhV147VW0NihW0GpGDZH/O+8eqGmBE/R2KmA0iKtTzRuAiEcaXrRFCXVUYN4xH5WMR8qpxi04uBmPx9fUTxRbeqWDVJ2kH9R2CVhm0X0e+IBpoknRobM8r/4uwkLk9jhxsmE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741087512; c=relaxed/simple; bh=Zj99QU+1T4AumhagELbWhW6sNQ5PMl7nw6neJbMlvJM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FH9RUvN8i5acuUBXiB7QDn65x2rEmux87JzBfdC1t0e666GKW00UA3NUgft7yiAEdCpYXnGdL0QNxK9vZxAqhuLoVDHeK7CqyRwVdMDtCIcoOirBjkEADqdOR++8L0IC/b4Fu6KjPJ+YvM+wW34q5MujXyMdnfUGIJKADel3R8Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30551C4CEE5; Tue, 4 Mar 2025 11:25:08 +0000 (UTC) Date: Tue, 4 Mar 2025 11:25:06 +0000 From: Catalin Marinas To: Rob Herring Cc: Will Deacon , Mark Rutland , Jonathan Corbet , Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , James Clark , Anshuman Khandual , Leo Yan , kernel-team@android.com, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, Mark Brown Subject: Re: [PATCH v20 00/11] arm64/perf: Enable branch stack sampling Message-ID: References: <20250218-arm-brbe-v19-v20-0-4e9922fc2e8e@kernel.org> <174080569248.3208873.17639032755999041028.b4-ty@kernel.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: On Mon, Mar 03, 2025 at 10:44:21AM -0600, Rob Herring wrote: > On Sat, Mar 1, 2025 at 1:05 AM Will Deacon wrote: > > 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 > > I don't know if you looked at the thread on patch 11 and said "long > discussion, I'll assume a new version is coming. Next!" because that's > what I would do. In this case though, there's not any changes. I do this as well ;). But I think Will is waiting for Mark R to look at the rest of the series. -- Catalin