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 X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_2 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 50346C43603 for ; Wed, 18 Dec 2019 14:37:48 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 22AF121582 for ; Wed, 18 Dec 2019 14:37:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="a90uy6s2" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 22AF121582 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=Huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=/BJcxOAS75HwqH/uGGkLBUWdEl0rcGlQMcAaOqVQTsk=; b=a90uy6s2SeAY8p oHMrQ+AA8HjOBDHQmdVmkSnbVsAHdxoLgcwS4ZUkq5DF3UYDlVEBPGVHbo00K/FgnqgS21Q8gCVsl GKum4Pq5IlRDp46ems5AB39TmvdQHjMYXqOTnjEQ4vBlmuollzG0kY72O+MO9vfxP0sLrrvOPCf9r hukC9+xGa6wStljd3uiO0c7gtQe7SszoJCUJnbV3gBrPKhSdzViCmTpg0I0GYrTaZdTloemYbwIET /h670kawfd8uURdqWa0VQf0bKi3gZzzCOJQ64JeYx7QqdxMkri2mNjXCI1bGpqtOaxfP4CzHun97i V/o+t4rRX0TjHSjAw/xw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ihaSP-0007qn-4E; Wed, 18 Dec 2019 14:37:45 +0000 Received: from lhrrgout.huawei.com ([185.176.76.210] helo=huawei.com) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ihaSL-0007kt-I0 for linux-arm-kernel@lists.infradead.org; Wed, 18 Dec 2019 14:37:43 +0000 Received: from lhreml709-cah.china.huawei.com (unknown [172.18.7.108]) by Forcepoint Email with ESMTP id 6751A2B9EB2AF1B35A2E; Wed, 18 Dec 2019 14:37:28 +0000 (GMT) Received: from lhreml710-chm.china.huawei.com (10.201.108.61) by lhreml709-cah.china.huawei.com (10.201.108.32) with Microsoft SMTP Server (TLS) id 14.3.408.0; Wed, 18 Dec 2019 14:37:27 +0000 Received: from localhost (10.202.226.57) by lhreml710-chm.china.huawei.com (10.201.108.61) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.1713.5; Wed, 18 Dec 2019 14:37:27 +0000 Date: Wed, 18 Dec 2019 14:37:25 +0000 From: Jonathan Cameron To: Brice Goglin Subject: Re: [PATCH V6 7/7] docs: mm: numaperf.rst Add brief description for access class 1. Message-ID: <20191218143725.00002f6f@Huawei.com> In-Reply-To: <4cf4e790-cacb-b250-bf28-5ba540eb0dc7@gmail.com> References: <20191216153809.105463-1-Jonathan.Cameron@huawei.com> <20191216153809.105463-8-Jonathan.Cameron@huawei.com> <4cf4e790-cacb-b250-bf28-5ba540eb0dc7@gmail.com> Organization: Huawei Technologies Research and Development (UK) Ltd. X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; i686-w64-mingw32) MIME-Version: 1.0 X-Originating-IP: [10.202.226.57] X-ClientProxiedBy: lhreml706-chm.china.huawei.com (10.201.108.55) To lhreml710-chm.china.huawei.com (10.201.108.61) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191218_063741_765776_D8C23D23 X-CRM114-Status: GOOD ( 15.54 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lorenzo Pieralisi , linux-acpi@vger.kernel.org, Tao Xu , x86@kernel.org, "Rafael J . Wysocki" , linux-kernel@vger.kernel.org, linuxarm@huawei.com, Keith Busch , linux-mm@kvack.org, jglisse@redhat.com, Sudeep Holla , Hanjun Guo , Andrew Morton , Dan Williams , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, 18 Dec 2019 12:34:34 +0100 Brice Goglin wrote: > Le 16/12/2019 =E0 16:38, Jonathan Cameron a =E9crit=A0: > > Try to make minimal changes to the document which already describes > > access class 0 in a generic fashion (including IO initiatiors that > > are not CPUs). > > > > Signed-off-by: Jonathan Cameron > > --- > > Documentation/admin-guide/mm/numaperf.rst | 8 ++++++++ > > 1 file changed, 8 insertions(+) > > > > diff --git a/Documentation/admin-guide/mm/numaperf.rst b/Documentation/= admin-guide/mm/numaperf.rst > > index a80c3c37226e..327c0d72692d 100644 > > --- a/Documentation/admin-guide/mm/numaperf.rst > > +++ b/Documentation/admin-guide/mm/numaperf.rst > > @@ -56,6 +56,11 @@ nodes' access characteristics share the same perform= ance relative to other > > linked initiator nodes. Each target within an initiator's access class, > > though, do not necessarily perform the same as each other. > > = > > +The access class "1" is used to allow differentiation between initiato= rs > > +that are CPUs and hence suitable for generic task scheduling, and > > +IO initiators such as GPUs and CPUs. Unlike access class 0, only > > +nodes containing CPUs are considered. > > + > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > > NUMA Performance > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > > @@ -88,6 +93,9 @@ The latency attributes are provided in nanoseconds. > > The values reported here correspond to the rated latency and bandwidth > > for the platform. > > = > > +Access class 0, takes the same form, but only includes values for CPU = to > > +memory activity. = > = > = > Shouldn't this be "class 1" here? > = Good point. Jonathan > Both hunks look contradictory to me. > = > Brice > = > = _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel