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=-2.2 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, 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 93650C43441 for ; Fri, 9 Nov 2018 12:58:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 48D362081C for ; Fri, 9 Nov 2018 12:58:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="w+VfILX6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 48D362081C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=oracle.com 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 S1727941AbeKIWj1 (ORCPT ); Fri, 9 Nov 2018 17:39:27 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:53110 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727735AbeKIWj1 (ORCPT ); Fri, 9 Nov 2018 17:39:27 -0500 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.22/8.16.0.22) with SMTP id wA9CsKAo118690; Fri, 9 Nov 2018 12:58:25 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : from : to : cc : references : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2018-07-02; bh=eHOzGOCNw4kM58wyzL/yLqDns7tqSFc/uamxl7EunzM=; b=w+VfILX6wIrSu4w4n8PihAQFw5NRQe81hJpZdXDXtcKwjx4xCC6A/V9sPMZoypvMP4Po f3QLYxjwuTEWxxewb6lFAX4BXUe6reHxMkTbLrp3mARXFrzj+IjfeAeAFLHPbSwmtgCe N1wecrCcQi/Q+X0NROjTfqWN8uzq77AZJZNT09E0lgTIj6AGcDPp7OUBef1JdDXoZArT w5NAx/H9p5XnjBc6IBSNO5c2Twk8Bv3wm1yilP07ZJaTfOPd+bbnsXZRafAP1sYVvkrQ Y8htkgqGsMb7UqI7keRyOLpPZf/mT8GL51oZ1kCMPHA1OJCuROT6sOJ0FFDjMKa0TxAq xA== Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp2120.oracle.com with ESMTP id 2nh3mq6ww3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 09 Nov 2018 12:58:25 +0000 Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0021.oracle.com (8.14.4/8.14.4) with ESMTP id wA9CwO7T000831 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 9 Nov 2018 12:58:24 GMT Received: from abhmp0017.oracle.com (abhmp0017.oracle.com [141.146.116.23]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id wA9CwNac027319; Fri, 9 Nov 2018 12:58:23 GMT Received: from [10.39.235.211] (/10.39.235.211) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 09 Nov 2018 04:58:22 -0800 Subject: Re: [PATCH v2 00/10] steal tasks to improve CPU utilization From: Steven Sistare To: Valentin Schneider , mingo@redhat.com, peterz@infradead.org Cc: subhra.mazumdar@oracle.com, dhaval.giani@oracle.com, daniel.m.jordan@oracle.com, pavel.tatashin@microsoft.com, matt@codeblueprint.co.uk, umgwanakikbuti@gmail.com, riel@redhat.com, jbacik@fb.com, juri.lelli@redhat.com, vincent.guittot@linaro.org, quentin.perret@arm.com, linux-kernel@vger.kernel.org References: <1541448489-19692-1-git-send-email-steven.sistare@oracle.com> <7fd88831-2745-5697-e9a0-fa30e3de02b0@oracle.com> Organization: Oracle Corporation Message-ID: <5efbd7e0-4c29-adfb-dfea-3b162296491e@oracle.com> Date: Fri, 9 Nov 2018 07:58:16 -0500 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0 MIME-Version: 1.0 In-Reply-To: <7fd88831-2745-5697-e9a0-fa30e3de02b0@oracle.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9071 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1811090120 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/6/2018 1:14 PM, Steven Sistare wrote: > On 11/6/2018 12:52 PM, Valentin Schneider wrote: >> Hi Steve, >> >> On 05/11/2018 20:07, Steve Sistare wrote: >> [...] >>> The patch series is based on kernel 4.19.0-rc7. It compiles, boots, and >>> runs with/without each of CONFIG_SCHED_SMT, CONFIG_SMP, CONFIG_SCHED_DEBUG, >>> and CONFIG_PREEMPT. It runs without error with CONFIG_DEBUG_PREEMPT + >>> CONFIG_SLUB_DEBUG + CONFIG_DEBUG_PAGEALLOC + CONFIG_DEBUG_MUTEXES + >>> CONFIG_DEBUG_SPINLOCK + CONFIG_DEBUG_ATOMIC_SLEEP. CPU hot plug and CPU >>> bandwidth control were tested. >> >> There are some conflicts with misfit on 4.20-rc1 (nothing major, just that >> misfit logic appeared where the stealing logic wants to land), and git >> gets lost after a few conflict resolutions. >> >> It's fine for testing on 4.19 - I just apply the misfit series then merge >> a branch with the steal patches to fix it all at once - but it makes >> playing around with 4.20-rc* more tedious. > > Thanks for powering through the merge. I will update the patch for 4.20. In a moment I will email V3 of the series updated for 4.20-rc1. No code changes, context changes only. - Steve