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=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no 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 81ED4C11D3D for ; Thu, 27 Feb 2020 16:37:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4FC0C246A1 for ; Thu, 27 Feb 2020 16:37:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="tveuCqBr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4FC0C246A1 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date: In-reply-to:Subject:To:From:References:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=GaBCj6C34ovYpgGqrpxwo8H53wbT5d+isvBMmYVKQMk=; b=tveuCqBrw50P6ZHZgN3GoDqDW9 XrSCPjkTJBwbpWEOmUsAmSFLvX9ap71CBYr2AJsL7wo5YyJwyxBEsAr+GfDztia3Zs/k1efkYbVSE KXUYoJuoUca5sZAKke9KPrjO5YC2F/3q9L6jg4oiWQ2+EP5BfGIEUr0mnhB1my0FyvP77aNf4z+OC dSPUNVSIMLxGLER/NHjin65sbbLke2FISkdnU9+Q9Fib51PZQ7wkaX/o4OLfDMM5q/45gWe3hAprQ Vat7Q//UkPspXpLInUmmctlRdHu9Ha0zPXdkrma5jyreBQ818QC5+APqo9B2TAt+cIYXU2Vst3nat n/yezMtQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j7MA8-0003EX-0i; Thu, 27 Feb 2020 16:37:24 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1j7MA5-0003EF-Cb for linux-arm-kernel@lists.infradead.org; Thu, 27 Feb 2020 16:37:22 +0000 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 859DD1FB; Thu, 27 Feb 2020 08:37:20 -0800 (PST) Received: from e113632-lin (e113632-lin.cambridge.arm.com [10.1.194.46]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 350CD3F7B4; Thu, 27 Feb 2020 08:37:19 -0800 (PST) References: <20200226164118.6405-1-valentin.schneider@arm.com> <20200226164118.6405-3-valentin.schneider@arm.com> <7f647316-00a7-69cb-5d40-733ab8c6796d@arm.com> User-agent: mu4e 0.9.17; emacs 26.3 From: Valentin Schneider To: Dietmar Eggemann Subject: Re: [PATCH 2/2] arm64: defconfig: enable CONFIG_SCHED_SMT In-reply-to: <7f647316-00a7-69cb-5d40-733ab8c6796d@arm.com> Date: Thu, 27 Feb 2020 16:37:16 +0000 Message-ID: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200227_083721_468506_AC9C1A82 X-CRM114-Status: UNSURE ( 7.17 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , qperret@google.com, Peter Zijlstra , Catalin Marinas , morten.rasmussen@arm.com, Will Deacon , Ingo Molnar , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Feb 27 2020, Dietmar Eggemann wrote: >> before: >> $ cat /proc/sys/kernel/sched_domain/cpu*/domain*/name | sort | uniq >> DIE >> MC >> >> after: >> $ cat /proc/sys/kernel/sched_domain/cpu*/domain*/name | sort | uniq >> DIE >> MC > > Have you tested that EAS still comes up ? Yep: root@valsch-h960:~# zcat /proc/config.gz | grep SMT CONFIG_SCHED_SMT=y root@valsch-h960:~# ./set_governor.sh schedutil [ 127.834363] root_domain 0-7: pd4:{ cpus=4-7 nr_cstate=5 } pd0:{ cpus=0-3 nr_cstate=5 } [ 127.842344] sched_energy_set: starting EAS No reason for it not to come up unless something's broken (but it's always good to check!). _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel