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=-8.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,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 6E477C48BD3 for ; Thu, 27 Jun 2019 01:35:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3F9E921726 for ; Thu, 27 Jun 2019 01:35:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="HmLmCk5m" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726926AbfF0BfC (ORCPT ); Wed, 26 Jun 2019 21:35:02 -0400 Received: from aserp2120.oracle.com ([141.146.126.78]:56302 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726373AbfF0BfC (ORCPT ); Wed, 26 Jun 2019 21:35:02 -0400 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x5R1Y5xl126661; Thu, 27 Jun 2019 01:34:31 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=HmLmCk5mOS2Hl697fF6mT3oFeYxccBJUKqCmzBDChJ6ALADIC/S42/t9XgqopWiHSgaY nPntzf40Pa93q7CFh1bumRyf1Xlhx4E9UvNFmUt9hIs/2iF89SIvfkg6zxKenACbc1h8 HuSdMQYAxgnoOoeNgmn06JWYj1WntrL0hcCr+XVTFB+ZamaiKPeeBPB1Yf1XbJlK/+Lq +YfSSTe2yWc9jL4fJQ2eqjHceeVWitc0oGPq3mIOWdFIew8f7quXVfkOw0OmazB+ExcU 9KLTVBcHMg/DYljN3xnxEj2dcxtIla1yUqanOWHAoGGKVSSCVLGz68XdVFKvzyWyHSOV xw== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by aserp2120.oracle.com with ESMTP id 2t9c9pwdkx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 27 Jun 2019 01:34:30 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x5R1Xw7R160506; Thu, 27 Jun 2019 01:34:30 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userp3030.oracle.com with ESMTP id 2t99f4rpm9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 27 Jun 2019 01:34:30 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x5R1YSXv009362; Thu, 27 Jun 2019 01:34:28 GMT Received: from smazumda-Precision-T1600.us.oracle.com (/10.132.91.175) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 26 Jun 2019 18:34:28 -0700 From: subhra mazumdar To: linux-kernel@vger.kernel.org Cc: peterz@infradead.org, mingo@redhat.com, tglx@linutronix.de, 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: Wed, 26 Jun 2019 18:29:16 -0700 Message-Id: <20190627012919.4341-5-subhra.mazumdar@oracle.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20190627012919.4341-1-subhra.mazumdar@oracle.com> References: <20190627012919.4341-1-subhra.mazumdar@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9300 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-1906270016 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9300 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-1906270017 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