Received: by 2002:a5b:505:0:0:0:0:0 with SMTP id o5csp4184747ybp; Mon, 14 Oct 2019 00:11:02 -0700 (PDT) X-Google-Smtp-Source: APXvYqwJhGTu+Wdlq9fLd6L6Ci3eL5k/GPIpP6rreGgQ2fVlWZn4Bdqb0dQXw9wWlnhjogj1pQ6Y X-Received: by 2002:aa7:c652:: with SMTP id z18mr26428203edr.150.1571037062631; Mon, 14 Oct 2019 00:11:02 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1571037062; cv=none; d=google.com; s=arc-20160816; b=D/vm1E/glkAN7TibDNGt1ss9UOds+GW97hT/cAV6a6cd9N9zrQ/P7sdfJBmlcFpeFI hRxe2FAYWl9+nDgVIGJ01x6NtX6uuxTcdNOY2fh8CMayd2sOJEpX1vB5BZcBP5xE8TqB dZk0qPcWRIHHzIXyqkhG0EA90JOB6q6khBRQZvE4rY4dUwqDq9yv750RPcCUymdbrnmu h9XuHHK3KKJg870qkC4UJu1VgT0ycxRI0pg0ueIeJq2zMHn1q7wQ8RhFGXVA7wfgVE/I DmB2E2eDqeuxTG76BwxfREkmwriwPsO8BZ4HS/LQ9vye4VQC4MjGV5Cy+QpYP8ZftavG 3XSw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:message-id:date:subject:cc :to:from; bh=sNR6tRmrKbHSelZ1mlqmy5Q9n3UgbK4xdt/YaoouO5g=; b=YUKBxH/NQWU0/gu8O69t0zGyP4UUSRsbnZf8cm/eP6nNA/OxFPdyDweUHg5Vx0wz18 WKJDvelOb3Gtf+iYwXFQK/DOb14BKN/Utrka/jL9BY2WAY9PG2cxdiwUAoVReWoNwqvu j3euB+kIFT/eCPHIQizDoqz8mwu14O7glHongQB2gGxOqVrNjL7Oh62v/LdUyxlgOVCE BDtdn1bNtmfkVuenNh6R0OVNuMGS5OssoHs67Jfwcdm1yf5q1apxJ7uXy+maYk289rLM UGQIJ2pfTkEJxarjwXIzsFxdaWG7sNsRv8HcYVlGI4kUI7yJY6vrfxWun0yRzehD1vpt 2cFw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=mediatek.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a53si13037343edc.175.2019.10.14.00.10.39; Mon, 14 Oct 2019 00:11:02 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=mediatek.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730238AbfJNHKB (ORCPT + 99 others); Mon, 14 Oct 2019 03:10:01 -0400 Received: from mailgw02.mediatek.com ([210.61.82.184]:18427 "EHLO mailgw02.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726500AbfJNHKB (ORCPT ); Mon, 14 Oct 2019 03:10:01 -0400 X-UUID: c543ae8dd49b4ae3801dbf275282df1a-20191014 X-UUID: c543ae8dd49b4ae3801dbf275282df1a-20191014 Received: from mtkcas06.mediatek.inc [(172.21.101.30)] by mailgw02.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.10 Build 0809 with TLS) with ESMTP id 861174270; Mon, 14 Oct 2019 15:09:55 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs07n2.mediatek.inc (172.21.101.141) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 14 Oct 2019 15:09:52 +0800 Received: from mtkswgap22.mediatek.inc (172.21.77.33) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 14 Oct 2019 15:09:53 +0800 From: Jing-Ting Wu To: Peter Zijlstra , Matthias Brugger CC: "Steven Rostedt (VMware)" , , , , Subject: [PATCH v2 1/1] sched/rt: avoid contend with CFS task Date: Mon, 14 Oct 2019 15:09:07 +0800 Message-ID: <1571036948-25034-1-git-send-email-jing-ting.wu@mediatek.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Changes since v2: We have revised the implementation to select a better idle CPU in the same sched_domain of prev_cpu (with the same cache hotness) when the RT task wakeup.