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=-2.0 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 03698C32789 for ; Tue, 6 Nov 2018 18:15:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C0A1F20830 for ; Tue, 6 Nov 2018 18:15:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="XdC+5074" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C0A1F20830 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 S2387971AbeKGDl3 (ORCPT ); Tue, 6 Nov 2018 22:41:29 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:53430 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387745AbeKGDl3 (ORCPT ); Tue, 6 Nov 2018 22:41:29 -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 wA6IEFVu154821; Tue, 6 Nov 2018 18:14:35 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : to : cc : references : from : message-id : date : mime-version : in-reply-to : content-type : content-transfer-encoding; s=corp-2018-07-02; bh=miOfMHUh8ogQ61eQGJ07YWpYEDhS/I0/q6CKu+pXRWo=; b=XdC+5074bdapcOsHXkrcJzU1StuZ1UvBvAEFV7Maqybc1fpTPSlNBF2wDPnYjMdtuZdd qlsp9KLSdTwE5OVNg0/cqGlYacytyHH8nSGx+yedLK8v1SzHrXKW32AgvLmwfFChmm/3 kbpYUMmRRW035N+t25CJ60PEkNviKGhqiVz8EoVprbBk+g5NrGCLCsXOp3iieGl+k7nb 8h1sEfDdpVe02xS9QRdh0YgSZ8KjJpi2DUlCZQ5xjloJkRoLXufhCuY7Q03r7PORlgqa 5S5LAAcMHY7IUKXjuhPzRKRgjg20KOS9aFBv4Dfc3Qe+ViBYehGNO5adXF4zwugEn6Ne Vw== Received: from aserv0021.oracle.com (aserv0021.oracle.com [141.146.126.233]) by aserp2120.oracle.com with ESMTP id 2nh3mpq09b-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 06 Nov 2018 18:14:35 +0000 Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by aserv0021.oracle.com (8.14.4/8.14.4) with ESMTP id wA6IETn9021509 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 6 Nov 2018 18:14:29 GMT Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id wA6IESxA001477; Tue, 6 Nov 2018 18:14:28 GMT Received: from [10.39.220.171] (/10.39.220.171) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 06 Nov 2018 10:14:28 -0800 Subject: Re: [PATCH v2 00/10] steal tasks to improve CPU utilization 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> From: Steven Sistare Organization: Oracle Corporation Message-ID: <7fd88831-2745-5697-e9a0-fa30e3de02b0@oracle.com> Date: Tue, 6 Nov 2018 13:14:24 -0500 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=5900 definitions=9069 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=984 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1807170000 definitions=main-1811060158 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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. - Steve