From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (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 28329366060 for ; Wed, 25 Feb 2026 22:54:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772060070; cv=none; b=thM0Ygl5fvsEhPCnRE1XO8lnljuECVFYyQEh8W16g/r1BiDGtpEfcYbp/g0B2iZO7aupTPEC3Ibu4QNSQZ0M4uhpHRITn4+6zjgvZBPyHZZfaB/HXIWD37npIkclk6S1Bfco66Yc3jIyKRtllA0Ptnjg7tAo6ixlQZel6r0IEb8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772060070; c=relaxed/simple; bh=AsJ27/KgDMpWZC+eNX8EfyAD5/9XMXI/7Skq3xTGyrI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uPAvhtHmdislRomOLWz3Y6hYG6HOKKoYqYZFTvfHyIzZPNP9epdSP7MRwuzCXj/MR/5ws8ruezWS1UgEJQysIkTsEl9A9ESyljbxKTOgbI4HxkNazwabU/BcAxnL+9ufoDpBqo7omnEbnM4a9xBziGDwD01vQZkCU/9nkkoSQEs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=ow5IuiJ7; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="ow5IuiJ7" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=AsJ27/KgDMpWZC+eNX8EfyAD5/9XMXI/7Skq3xTGyrI=; b=ow5IuiJ7Ll0dTkZSlb9OsHVouX QisIpN8Dqg7/oJUkrcfSNcJxxzyUqrIapKI4KYrBt38huwL7u31LKR9Hp9IvVdmHXMh70Vbs7mE8Q ExDt8SNRHIm/qODXVVCb1+f/klvJaBMhqjmlfbXMniO5FMUJ9t5dH/gW1z1TyBps1JlqC3sSlRlXX Y2drEDQWcuUXslHOq9q0Ut6QD+g4Olr0guu+lyN/FzNM4RIfUpe2unLBSd1oN781q/ZPdVX3EztA0 EkFSHMx6SoYFEhxs5AXFfVigCwnUbGisQia6gLXF7468APzn4QFTfBBZ8+pU3q6IJ1DFr3PnQ8TrS XevUPzSw==; Received: from 77-249-17-252.cable.dynamic.v4.ziggo.nl ([77.249.17.252] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.98.2 #2 (Red Hat Linux)) id 1vvNlp-00000001n50-0xgH; Wed, 25 Feb 2026 22:54:17 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id CDA3330331B; Wed, 25 Feb 2026 23:54:15 +0100 (CET) Date: Wed, 25 Feb 2026 23:54:15 +0100 From: Peter Zijlstra To: Tim Chen Cc: "Chen, Yu C" , Kyle Meyer , bp@alien8.de, dave.hansen@linux.intel.com, mingo@redhat.com, tglx@kernel.org, vinicius.gomes@intel.com, brgerst@gmail.com, hpa@zytor.com, kprateek.nayak@amd.com, linux-kernel@vger.kernel.org, patryk.wlazlyn@linux.intel.com, rafael.j.wysocki@intel.com, russ.anderson@hpe.com, x86@kernel.org, zhao1.liu@intel.com Subject: Re: [PATCH v2] sched/topology: Check average distances to remote packages Message-ID: <20260225225415.GA652779@noisy.programming.kicks-ass.net> References: <20260223170314.GU1395266@noisy.programming.kicks-ass.net> <20260225123052.GN3016024@noisy.programming.kicks-ass.net> <20260225154409.GD1282955@noisy.programming.kicks-ass.net> <20260225163246.GX1395416@noisy.programming.kicks-ass.net> <62f610811c1b1cba7e282b6e855baba11f7f49a6.camel@linux.intel.com> <20260225223024.GA606826@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260225223024.GA606826@noisy.programming.kicks-ass.net> On Wed, Feb 25, 2026 at 11:30:24PM +0100, Peter Zijlstra wrote: > Also, is there really no enumeration of the SNC mode available; must we > really divinate? There isn't; but we have existing divination in resctl instead of the topology code :-( I'll try and fix that tomorrow.