From patchwork Wed Feb 19 09:58:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukasz Luba X-Patchwork-Id: 213572 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=-9.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 A48F0C34054 for ; Wed, 19 Feb 2020 09:59:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7E2E221D56 for ; Wed, 19 Feb 2020 09:59:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726712AbgBSJ7J (ORCPT ); Wed, 19 Feb 2020 04:59:09 -0500 Received: from foss.arm.com ([217.140.110.172]:45060 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726453AbgBSJ7I (ORCPT ); Wed, 19 Feb 2020 04:59:08 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 40C7B1FB; Wed, 19 Feb 2020 01:59:08 -0800 (PST) Received: from e123648.arm.com (unknown [10.37.12.28]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 885213F6CF; Wed, 19 Feb 2020 01:59:04 -0800 (PST) From: lukasz.luba@arm.com To: kgene@kernel.org, krzk@kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-pm@vger.kernel.org Cc: myungjoo.ham@samsung.com, kyungmin.park@samsung.com, cw00.choi@samsung.com, robh+dt@kernel.org, mark.rutland@arm.com, b.zolnierkie@samsung.com, lukasz.luba@arm.com, dietmar.eggemann@arm.com Subject: [PATCH 2/2] ARM: exynos_defconfig: Enable SCHED_MC and ENERGY_MODEL Date: Wed, 19 Feb 2020 09:58:28 +0000 Message-Id: <20200219095828.8063-3-lukasz.luba@arm.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200219095828.8063-1-lukasz.luba@arm.com> References: <20200219095828.8063-1-lukasz.luba@arm.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org From: Lukasz Luba The Energy Model (EM) is needed to run Energy Aware Scheduler (EAS). Enable ENERGY_MODEL to make that happen. This will increase energy efficiency of the big.LITTLE platform by smart decisions in scheduling tasks in non-heavy workloads. Add SCHED_MC in order to create another level in scheduling domains: 'MC'. This improves scheduler's decisions on platforms with CPU clusters, such as big.LITTLE. Signed-off-by: Lukasz Luba --- arch/arm/configs/exynos_defconfig | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig index c8e0c14092e8..90d376eb333b 100644 --- a/arch/arm/configs/exynos_defconfig +++ b/arch/arm/configs/exynos_defconfig @@ -8,6 +8,7 @@ CONFIG_PERF_EVENTS=y CONFIG_ARCH_EXYNOS=y CONFIG_CPU_ICACHE_MISMATCH_WORKAROUND=y CONFIG_SMP=y +CONFIG_SCHED_MC=y CONFIG_BIG_LITTLE=y CONFIG_NR_CPUS=8 CONFIG_HIGHMEM=y @@ -17,6 +18,7 @@ CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_ARM_APPENDED_DTB=y CONFIG_ARM_ATAG_DTB_COMPAT=y CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M" +CONFIG_ENERGY_MODEL=y CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_STAT=y CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y