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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,UNPARSEABLE_RELAY, USER_AGENT_GIT 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 57F96C28CC5 for ; Sun, 9 Jun 2019 01:57:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 27621216C4 for ; Sun, 9 Jun 2019 01:57:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="oN1QCTbk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728104AbfFIB5J (ORCPT ); Sat, 8 Jun 2019 21:57:09 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:47892 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727841AbfFIB5I (ORCPT ); Sat, 8 Jun 2019 21:57:08 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x591roSA022816; Sun, 9 Jun 2019 01:54:47 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2018-07-02; bh=+IsAOfMVpzahGu2lDbM+oEICyaMhBCIcRgFcY79hLpo=; b=oN1QCTbkeJEilY+d5Ayb8bNHsq8BWfr/UKCCjYsGofh+l/LD20JzywuzbkWzWPWXMEIV +l8m7fGjLTdtCZKluULE0SG8VLDPyM+g1dR4LCcvzmBQ5BhbsxgbYMmqlJFiz118C7+b YeYVUOK5Cc106Ej7XLRkTqQA0UDvBLsvd4UOPknFJAv8CGe1v7UEtkqsQS9cOZELAAKQ FRNKvpchCv4i8S4GCW4sfZN7tWwIiQOKuThKcOBzOklK8kBJBFKPJ8JRz79sFYDhLrxX eFI4k0jD6JTjc7Pys3lOyGaXVHaj4bfYzxi4yKFGqZxYyOoMcKuT0KfDTZAcTt2vO/BW WA== Received: from userp3020.oracle.com (userp3020.oracle.com [156.151.31.79]) by userp2130.oracle.com with ESMTP id 2t04eta46w-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 09 Jun 2019 01:54:47 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x591skA3109069; Sun, 9 Jun 2019 01:54:47 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3020.oracle.com with ESMTP id 2t04bku22v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 09 Jun 2019 01:54:46 +0000 Received: from abhmp0020.oracle.com (abhmp0020.oracle.com [141.146.116.26]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x591semx017892; Sun, 9 Jun 2019 01:54:40 GMT Received: from smazumda-Precision-T1600.us.oracle.com (/10.132.91.175) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sat, 08 Jun 2019 18:54:40 -0700 From: subhra mazumdar To: linux-kernel@vger.kernel.org Cc: peterz@infradead.org, mingo@redhat.com, steven.sistare@oracle.com, dhaval.giani@oracle.com, daniel.lezcano@linaro.org, vincent.guittot@linaro.org, viresh.kumar@linaro.org, tim.c.chen@linux.intel.com, mgorman@techsingularity.net Subject: [PATCH v3 4/7] sched: add sched feature to disable idle core search Date: Sat, 8 Jun 2019 18:49:51 -0700 Message-Id: <20190609014954.1033-5-subhra.mazumdar@oracle.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20190609014954.1033-1-subhra.mazumdar@oracle.com> References: <20190609014954.1033-1-subhra.mazumdar@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9282 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906090012 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9282 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906090013 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add a new sched feature SIS_CORE to have an option to disable idle core search (select_idle_core). Signed-off-by: subhra mazumdar --- kernel/sched/features.h | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/sched/features.h b/kernel/sched/features.h index 858589b..de4d506 100644 --- a/kernel/sched/features.h +++ b/kernel/sched/features.h @@ -57,6 +57,7 @@ SCHED_FEAT(TTWU_QUEUE, true) */ SCHED_FEAT(SIS_AVG_CPU, false) SCHED_FEAT(SIS_PROP, true) +SCHED_FEAT(SIS_CORE, true) /* * Issue a WARN when we do multiple update_rq_clock() calls -- 2.9.3