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 81B481A294; Thu, 2 Apr 2026 00:08:01 +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=1775088481; cv=none; b=sm93sagy7z7X5HxdjZDeq4uvi3uVOaMjFu+7sr/iB/nwgf47TZmN0YlLsnhPCZYi+tv4zsMTUM10bh5fknx3RvEoIQm+c3hsqqfcAwtZmvyo+BRBVgYrnBeMw7Eqy+BES9sDclV38iECMSjlB4tsFvU3Nj0Rk80DDPTKwme5A3k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775088481; c=relaxed/simple; bh=BVoTrSB43B3mD7g1zDt80G3wbfL9wPB6xIf01UUki+o=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=r70tWXC93ED4M07kWf43+j+tVgxFJA4AgdNiRPqcdWPPnR7tq0Huj8Qf8xhrf+VtbrDb9Vx1SMiY1qlgyu9wF0Dxxl1CdHT5sgM6QugAM1Z3NF5h8CV7Kobid3ah4eA8V5Xt+Hx8R0OkyFrTHRRK+Z8m9Fr1CcEz5MQgIlxSJjg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NbYjcCbS; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NbYjcCbS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 78BD8C4CEF7; Thu, 2 Apr 2026 00:08:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1775088481; bh=BVoTrSB43B3mD7g1zDt80G3wbfL9wPB6xIf01UUki+o=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=NbYjcCbShCezy/KNWaijH6ppPLry4kUmJEi9RzqQprW1ehc4epo98zUNotcd1Tqcm UZr11+YFPiIiODK+1EwXs4goYI1BWmmhPk0yAzD1TQHFJr0e9E+Jh7IzGbXKWjWHRG 0Up1mF7REi6gKlk7sI64YrTpiN2gPZK1/d7cWl/2HOg3TUi5PEzHms3YJ56c1G2THx OyELEVh5H4thctdQ0yMchbtUf7jc5YumZG4fYXT5142haJt9O5D8YnCmtpBB+eF1fy zlHe/KKCluZntAzLAxUGjiyFt5vYsfU9W+kQerK8BghGs6PXHbehyX46Am+aio9/7f cRHP96EA6xvUA== Date: Wed, 1 Apr 2026 17:07:58 -0700 From: Namhyung Kim To: Ian Rogers Cc: "Chen, Zide" , Chun-Tse Shao , linux-kernel@vger.kernel.org, peterz@infradead.org, mingo@redhat.com, acme@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, adrian.hunter@intel.com, james.clark@linaro.org, ravi.bangoria@amd.com, linux-perf-users@vger.kernel.org Subject: Re: [PATCH v3] perf pmu intel: Adjust cpumaks for sub-NUMA clusters on Emeraldrapids Message-ID: References: <20260212223942.3832857-1-ctshao@google.com> Precedence: bulk X-Mailing-List: linux-perf-users@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 Wed, Apr 01, 2026 at 09:38:24AM -0700, Ian Rogers wrote: > On Thu, Feb 12, 2026 at 4:08 PM Chen, Zide wrote: > > > > On 2/12/2026 2:39 PM, Chun-Tse Shao wrote: > > > Similar to GNR [1], Emeraldrapids supports sub-NUMA clusters as well. > > > Adjust cpumasks as the logic for GNR in [1]. > > > > > > Tested on Emeraldrapids with SNC2 enabled: > > > $ perf stat --per-node -e 'UNC_CHA_CLOCKTICKS,UNC_M_CLOCKTICKS' -a -- sleep 1 > > > > > > Performance counter stats for 'system wide': > > > > > > N0 30 72125876670 UNC_CHA_CLOCKTICKS > > > N0 4 8815163648 UNC_M_CLOCKTICKS > > > N1 30 72124958844 UNC_CHA_CLOCKTICKS > > > N1 4 8815014974 UNC_M_CLOCKTICKS > > > N2 30 72121049022 UNC_CHA_CLOCKTICKS > > > N2 4 8814592626 UNC_M_CLOCKTICKS > > > N3 30 72117133854 UNC_CHA_CLOCKTICKS > > > N3 4 8814012840 UNC_M_CLOCKTICKS > > > > > > 1.001574118 seconds time elapsed > > > > > > [1] lore.kernel.org/20250515181417.491401-1-irogers@google.com > > > > > > Signed-off-by: Chun-Tse Shao > > > > LGTM. > > > > Reviewed-by: Zide Chen > > Reviewed-by: Ian Rogers It doesn't apply cleanly anymore. CT, can you please rebase? Thanks, Namhyung