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=-7.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 C5C7FC433E1 for ; Thu, 14 May 2020 10:08:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A5E172065D for ; Thu, 14 May 2020 10:08:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726051AbgENKIS (ORCPT ); Thu, 14 May 2020 06:08:18 -0400 Received: from outbound-smtp54.blacknight.com ([46.22.136.238]:48215 "EHLO outbound-smtp54.blacknight.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725925AbgENKIR (ORCPT ); Thu, 14 May 2020 06:08:17 -0400 Received: from mail.blacknight.com (pemlinmail05.blacknight.ie [81.17.254.26]) by outbound-smtp54.blacknight.com (Postfix) with ESMTPS id EEEF7FADE8 for ; Thu, 14 May 2020 11:08:15 +0100 (IST) Received: (qmail 3837 invoked from network); 14 May 2020 10:08:15 -0000 Received: from unknown (HELO techsingularity.net) (mgorman@techsingularity.net@[84.203.18.57]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 14 May 2020 10:08:15 -0000 Date: Thu, 14 May 2020 11:08:14 +0100 From: Mel Gorman To: Jirka Hladky Cc: Phil Auld , Peter Zijlstra , Ingo Molnar , Vincent Guittot , Juri Lelli , Dietmar Eggemann , Steven Rostedt , Ben Segall , Valentin Schneider , Hillf Danton , LKML , Douglas Shakshober , Waiman Long , Joe Mario , Bill Gray Subject: Re: [PATCH 00/13] Reconcile NUMA balancing decisions with the load balancer v6 Message-ID: <20200514100814.GH3758@techsingularity.net> References: <20200507155422.GD3758@techsingularity.net> <20200508092212.GE3758@techsingularity.net> <20200513153023.GF3758@techsingularity.net> <20200514095055.GG3758@techsingularity.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 14, 2020 at 11:58:36AM +0200, Jirka Hladky wrote: > Thank you, Mel! > > We are using netperf as well, but AFAIK it's running on two different > hosts. I will check with colleagues, if they can > add network-netperf-unbound run on the localhost. > > Is this the right config? > https://github.com/gormanm/mmtests/blob/345f82bee77cbf09ba57f470a1cfc1ae413c97df/bin/generate-generic-configs > sed -e 's/NETPERF_BUFFER_SIZES=.*/NETPERF_BUFFER_SIZES=64/' > config-network-netperf-unbound > config-network-netperf-unbound-small > That's one I was using at the moment to have a quick test after the reconciliation series was completed. It has since changed to config-network-netperf-cstate-small-cross-socket to limit cstates, bind the client and server to two local CPUs and using one buffer size. It was necessary to get an ftrace function graph of the wakeup path that was readable and not too noisy due to migrations, cpuidle exit costs etc. -- Mel Gorman SUSE Labs