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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0C3C6CD68F9 for ; Tue, 10 Oct 2023 08:03:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1442657AbjJJIDC (ORCPT ); Tue, 10 Oct 2023 04:03:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34742 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1442525AbjJJIC7 (ORCPT ); Tue, 10 Oct 2023 04:02:59 -0400 Received: from desiato.infradead.org (desiato.infradead.org [IPv6:2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 350C394 for ; Tue, 10 Oct 2023 01:02:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; 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=cpAt5iVG7Way5FzBP9yMZ8IQuk91smI+CwYPCmk6OKo=; b=l0XATpaIXlue167p8SPdbIpAOg jtw9xOrVS5FEyouEbrTDZpuUyZHoWXXGJ6ZvIfAYp7L2jGHybUpiIJbWpuX9Upo0rkIb3NrAYPSi+ hFrPApadG+vjhMAj9hQdPU5bMZLXcL9y6DSOkfCEnyIe6HuiZ+0SxwsC0njkx8e9vc1ezZtkmlEqw 5minCKWzEl9gnfBMyBNKfeT8XTtmKqfn9x+29MH95VHwv+AN6sG0SZJ7ydqK+e204DU18sfTcHK2d fRmxDMCAs3WlDnTCJX3nm+fcLAn6uCXmXZnRLK5fHwX+2E2rmmVP9+hjWmljttF0MAA8t7hoVPVpI v8Bdv2tw==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by desiato.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1qq7gg-00GhFn-0V; Tue, 10 Oct 2023 08:01:56 +0000 Received: by noisy.programming.kicks-ass.net (Postfix, from userid 1000) id 45241300392; Tue, 10 Oct 2023 10:01:55 +0200 (CEST) Date: Tue, 10 Oct 2023 10:01:55 +0200 From: Peter Zijlstra To: Youssef Esmat Cc: Daniel Jordan , mingo@kernel.org, vincent.guittot@linaro.org, linux-kernel@vger.kernel.org, juri.lelli@redhat.com, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de, bristot@redhat.com, corbet@lwn.net, qyousef@layalina.io, chris.hyser@oracle.com, patrick.bellasi@matbug.net, pjt@google.com, pavel@ucw.cz, qperret@google.com, tim.c.chen@linux.intel.com, joshdon@google.com, timj@gnu.org, kprateek.nayak@amd.com, yu.c.chen@intel.com, joel@joelfernandes.org, efault@gmx.de, tglx@linutronix.de Subject: Re: [PATCH 00/15] sched: EEVDF and latency-nice and/or slice-attr Message-ID: <20231010080155.GB377@noisy.programming.kicks-ass.net> References: <20230531115839.089944915@infradead.org> <20230906131356.GG38741@noisy.programming.kicks-ass.net> <20231002184136.GA1539@noisy.programming.kicks-ass.net> <20231005120557.GA743@noisy.programming.kicks-ass.net> <20231007220400.GA5581@noisy.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Oct 09, 2023 at 07:51:03PM -0500, Youssef Esmat wrote: > > Playing around with it a little: > > > > EEVDF EVDF > > > > slice 30000000 slice 30000000 > > # Min Latencies: 00014 # Min Latencies: 00048 > > # Avg Latencies: 00692 # Avg Latencies: 188239 > > # Max Latencies: 94633 # Max Latencies: 961241 > > > > slice 3000000 slice 3000000 > > # Min Latencies: 00054 # Min Latencies: 00055 > > # Avg Latencies: 00522 # Avg Latencies: 00673 > > # Max Latencies: 41475 # Max Latencies: 13297 > > > > slice 300000 slice 300000 > > # Min Latencies: 00018 # Min Latencies: 00024 > > # Avg Latencies: 00344 # Avg Latencies: 00056 > > # Max Latencies: 20061 # Max Latencies: 00860 > > > > Thanks for sharing. Which workload was used to generate these numbers? This is hackbench vs cyclictest, where cyclictest gets a custom slice set, the big slice is 10 * normal, the middle slice is normal (equal to hackbench) and the short slice is normal / 10.