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=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS 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 CEA50C433EF for ; Wed, 22 Sep 2021 12:45:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B33DA610A0 for ; Wed, 22 Sep 2021 12:45:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236017AbhIVMrO (ORCPT ); Wed, 22 Sep 2021 08:47:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235227AbhIVMrN (ORCPT ); Wed, 22 Sep 2021 08:47:13 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7262AC061574 for ; Wed, 22 Sep 2021 05:45:43 -0700 (PDT) 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=pVHABphFhruviXq8IYSbGzg6BVth9xqrd/+O0O4i6xk=; b=mcmcKEtUpcHRhLT3y50IhTYTrw TppQ9rj1eJ8ReDWH28Eq6Tly5fjepGOfkJ903gJW8xBgk0ATQv8GpbRy7loW4qCA8X6Qyh/g8qp3n na4+04Vt2zb2U2KZAgK7mMaz2mBWfSPfFDdOIkU7sd6LXn92J8rvmE3qz/wqtzFsMuG1GsGKdFNP1 sa5OFUIs/EABJlqwvCeFqhU4OFYM6T87TaeljjnLS5eHbAMW2r7w/kD3URxGaQYIGUa3Q7GIZjqsi QgGfBG0EViW7guAAXbMthgenEbVVXvBFkJz2iNmn0eBH9BVtF3lifnQ+Ob5aQ+HcabbtX3mGEjHMh RpAh0LDQ==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=worktop.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mT1bV-004moD-Tf; Wed, 22 Sep 2021 12:44:21 +0000 Received: by worktop.programming.kicks-ass.net (Postfix, from userid 1000) id A54E59816EA; Wed, 22 Sep 2021 14:44:00 +0200 (CEST) Date: Wed, 22 Sep 2021 14:44:00 +0200 From: Peter Zijlstra To: kernel test robot Cc: Mel Gorman , LKML , x86@kernel.org, lkp@lists.01.org, lkp@intel.com, ying.huang@intel.com, feng.tang@intel.com, zhengjun.xing@linux.intel.com, aubrey.li@linux.intel.com, yu.c.chen@intel.com Subject: Re: [sched/fair] 56498cfb04: netperf.Throughput_tps -5.4% regression Message-ID: <20210922124400.GQ4323@worktop.programming.kicks-ass.net> References: <20210912153447.GG25450@xsang-OptiPlex-9020> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210912153447.GG25450@xsang-OptiPlex-9020> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Sep 12, 2021 at 11:34:47PM +0800, kernel test robot wrote: > > > Greeting, > > FYI, we noticed a -5.4% regression of netperf.Throughput_tps due to commit: > > > commit: 56498cfb045d7147cdcba33795d19429afcd1d00 ("sched/fair: Avoid a second scan of target in select_idle_cpu") > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master Mel, was this in line with your own benchmarks?