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=-2.1 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, USER_AGENT_MUTT 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 166EEC4321E for ; Fri, 7 Sep 2018 13:19:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BEE392083D for ; Fri, 7 Sep 2018 13:19:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="GB5R82Ii" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BEE392083D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728495AbeIGSA2 (ORCPT ); Fri, 7 Sep 2018 14:00:28 -0400 Received: from bombadil.infradead.org ([198.137.202.133]:59356 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726598AbeIGSA2 (ORCPT ); Fri, 7 Sep 2018 14:00:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.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:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=GxTXDdh4Z1b9dHQDGjcK3yyWb/9Z6FnzzVWV6JuvFIs=; b=GB5R82IiZgkjuTYcgaiWdArMn 8eo2vYnUChc1OUPkhXneB7px7pbCUiCygQL17dZmsjscfrhUomrZ79fxKXL7C5bZ8STTPKpmN8bxt YEW2fVjqfMM/Ilyg5NmtXiZA0+BF8ZETPOo/VN738Y+zhSVNPd+yDZQ03cqHXiBR/08PCiuVt8gZ2 EjqLSXMCx6YOli6dJ60wrKbJNkv1jpa2cLoeTlcBiqLgI315J4sLzm5MgrgoZ4QM1lyeN/nYrFwa6 LE3wIW+czUm1HnBAggL66Pm0Hs9roYKq84t3+nh9Ymhkyc4+XJAez2PUJxQHBAEEaMr4wXU0W1TaJ FlT8Hrqbw==; Received: from j217100.upc-j.chello.nl ([24.132.217.100] helo=hirez.programming.kicks-ass.net) by bombadil.infradead.org with esmtpsa (Exim 4.90_1 #2 (Red Hat Linux)) id 1fyGfU-000176-NP; Fri, 07 Sep 2018 13:19:24 +0000 Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 2D18220210310; Fri, 7 Sep 2018 15:19:23 +0200 (CEST) Date: Fri, 7 Sep 2018 15:19:23 +0200 From: Peter Zijlstra To: Srikar Dronamraju Cc: Jirka Hladky , Mel Gorman , Jakub Ra??ek , linux-kernel , "kkolakow@redhat.com" , Ingo Molnar Subject: Re: [SCHEDULER] Performance drop in 4.19 compared to 4.18 kernel Message-ID: <20180907131923.GB24106@hirez.programming.kicks-ass.net> References: <20180907125649.GA3995@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180907125649.GA3995@linux.vnet.ibm.com> User-Agent: Mutt/1.10.0 (2018-05-17) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 07, 2018 at 06:26:49PM +0530, Srikar Dronamraju wrote: > Can you please pick > > > 1. 69bb3230297e881c797bbc4b3dbf73514078bc9d sched/numa: Stop multiple tasks > from moving to the cpu at the same time > 2. dc62cfdac5e5b7a61cd8a2bd4190e80b9bb408fc sched/numa: Avoid task migration > for small numa improvement > 3. 76e18a67cdd9e3609716c8a074c03168734736f9 sched/numa: Pass destination cpu as > a parameter to migrate_task_rq > 4. 489c19b440ebdbabffe530b9a41389d0a8b315d9 sched/numa: Reset scan rate > whenever task moves across nodes > 5. b7e9ae1ae3825f35cd0f38f1f0c8e91ea145bc30 sched/numa: Limit the > conditions where scan period is reset > > from https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/kernel/sched That is not a stable tree; the whole thing is re-generated from my quilt set every time I feel like it. It is likely those commit ids will no longer exist in a few hours.