From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) (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 9CD2D3382E8; Thu, 26 Mar 2026 22:24:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.20 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774563871; cv=none; b=XOGMFhyxOh07FVeBzQvirXmSsCoaQApND+oQ0Dfo+KR5vJJpAAWTYD8rM8MgXDRbHNcH7KzneswAONZWjJO/pbWUUwX5TFMhcOyy/evIySDA8yF/k3I59FWPMyAYTya23GItUFOYV98sl4deNb15ILBFbKDHye1gXRrh+tnY5Ck= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774563871; c=relaxed/simple; bh=3YFTy2V56orgyhZxtiaVDkmsOBqj4WEHYrioPuzpDTI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=RJJq4nfIr+20VXz3jr3GCowMaAZIs0UXp+6gF9NUlZ4cDDvjRNSLMxvtWrOLp1Qt1AnUgp6vJKh3v66sLv2PmJPX6WZ7kLxXDKaBqcJRw031AVElp0tFwj8e1mxdPw0Gi7n3V6rn2uerxWKMme3hGi/G2I2XmZstNin0YBYFa+I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=YAlYlpqn; arc=none smtp.client-ip=198.175.65.20 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="YAlYlpqn" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774563870; x=1806099870; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=3YFTy2V56orgyhZxtiaVDkmsOBqj4WEHYrioPuzpDTI=; b=YAlYlpqnCLhcjW5KnndG2YUeZC9FXLtm2PZVMhwaMOOPPng6MC5S+HCF d2veEWsg+ecARkETX0PsW/QL4K4eSp8FGBaepTSofjjS6jEvOCuVD8kbb xdyyDep8vcS7rULGSNOe91m6M8+DApxpsGZbhUALnPXLNGdXnvdR/42bZ ZZPOEtFru2/u9yxV4Ksae+8xfGbEoPxujGAxOspd6ApJvr5e0xxw9RIQ9 5yU8GH6A4XYeUWS7vrutNf6kPr6Yhw2l3v4EjP53TXAMxLUBAz8ZHsviO 1oFIN7+meg1jWx/kXGWWI18hDOp1RdgXG4YAWFIgixWJI4bV5s1iZOkoJ g==; X-CSE-ConnectionGUID: bsS9cGgSTYWjA5ekfxHkhw== X-CSE-MsgGUID: Vaqe0sGjQTGZHkTxHKw8tA== X-IronPort-AV: E=McAfee;i="6800,10657,11741"; a="75351718" X-IronPort-AV: E=Sophos;i="6.23,142,1770624000"; d="scan'208";a="75351718" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2026 15:24:29 -0700 X-CSE-ConnectionGUID: mh2BvPkTSQ+0bQ+FCapQXA== X-CSE-MsgGUID: wvh2xao3RgK4tajqGik0WA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,142,1770624000"; d="scan'208";a="263048884" Received: from rchatre-mobl4.amr.corp.intel.com (HELO [10.125.110.122]) ([10.125.110.122]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2026 15:24:27 -0700 Message-ID: <66c7fa22-5980-45cb-b1d4-94446231a6d0@intel.com> Date: Thu, 26 Mar 2026 15:24:26 -0700 Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [LSF/MM/BPF TOPIC] [RFC PATCH 0/4] mm/mempolicy: introduce socket-aware weighted interleave To: Rakie Kim , Jonathan Cameron Cc: akpm@linux-foundation.org, gourry@gourry.net, linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-cxl@vger.kernel.org, ziy@nvidia.com, matthew.brost@intel.com, joshua.hahnjy@gmail.com, byungchul@sk.com, ying.huang@linux.alibaba.com, apopple@nvidia.com, david@kernel.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, dave@stgolabs.net, alison.schofield@intel.com, vishal.l.verma@intel.com, ira.weiny@intel.com, dan.j.williams@intel.com, harry.yoo@oracle.com, lsf-pc@lists.linux-foundation.org, kernel_team@skhynix.com, honggyu.kim@sk.com, yunjeong.mun@sk.com, Keith Busch References: <20260324053549.324-1-rakie.kim@sk.com> Content-Language: en-US From: Dave Jiang In-Reply-To: <20260324053549.324-1-rakie.kim@sk.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/23/26 10:35 PM, Rakie Kim wrote: > On Fri, 20 Mar 2026 16:56:05 +0000 Jonathan Cameron wrote: >> < --snip-- > > > The HMAT latencies and bandwidths are present, but the values seem > broken. Here is the latency table: > > Init->Target | node0 | node1 | node2 | node3 > node0 | 0x38B | 0x89F | 0x9C4 | 0x3AFC > node1 | 0x89F | 0x38B | 0x3AFC| 0x4268 Do you have the iasl -d outputs of the SRAT and the HMAT somewhere we can look at? DJ