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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 80378C433FE for ; Tue, 29 Nov 2022 19:32:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ymolLNEF9lXMJqN/yxVytz7XAWYg1yrB2ueJZDUt7Bg=; b=OCe3qVJr742rxa y7iRihSJqmzLUHxgGxV/7w+LHgbb0XE72QAPDe7JcZqW61I6ZSQMWKfKRjVIEgb+WrsMG/DoKtUUh P0P7x/5RFQk5Vz3Tma2TR6AAJjBKzX0lUcM96eHkYmi4fROkAF/s2EDahevhSWmUegTIrOYqgiQor RX5bf6SaIWP+3gomK0nQyFKNzSN/L4i4DeipcM4D6xgZqGjEJ8n3thL4yghQTDWe3kGRb2HSdWi96 QorhBRbhHVVSy8y/9SCoaIPJB/8m7jPIHSuq5LE6dXRadcvBvzzvhUgVbOMFfnbYd/Uw9HF/BY74o qH+S0v0LFnmYt1Jxi5pg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p06KL-00B61n-9O; Tue, 29 Nov 2022 19:31:34 +0000 Received: from dfw.source.kernel.org ([139.178.84.217]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p06K3-00B5ru-CA for linux-arm-kernel@lists.infradead.org; Tue, 29 Nov 2022 19:31:16 +0000 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 98D08618C4; Tue, 29 Nov 2022 19:31:14 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6134C433C1; Tue, 29 Nov 2022 19:31:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1669750274; bh=D5QTknxafjNXHi0UY7hBX49+WnfHieaoJs/a4jeU0IY=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=EUKl1t3Blf66Hx6A18sB2C0E78GkQsApVFMGaJaKBNo1mybwUtbsR+4NNMNoifxhS 50Dq46A+BLj21OqT5MyG7rWepAFS6INClTFZRxQugxZt9o+Jux8YsePQc41Gu8gq2q ZgtYHzu9UTElAzX6Rmw6WznDJDDFz8ZET7eetWmOU2QWli8+8Ln6+k2COKs04v6mXE OA7g9hqRs3dohc+rP+RUG0REZa6cpBFoqe5VbL75qHH+zvIGs/6s1afMdw+bhcu4jZ T+GdVrwtncKnOUzrU28RgmdiwkO++cOtCeAP91fK8Fm2eQe/bS5H9IHGxfg0CWaIAG KRsUz2zFJRkVQ== Date: Tue, 29 Nov 2022 19:31:09 +0000 From: Will Deacon To: Mark Brown Cc: Catalin Marinas , Shuah Khan , linux-arm-kernel@lists.infradead.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v1 0/3] kselftest/arm64: fp-stress performance improvements Message-ID: <20221129193108.GA26941@willie-the-truck> References: <20221129000355.812425-1-broonie@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20221129000355.812425-1-broonie@kernel.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221129_113115_503942_36852EB1 X-CRM114-Status: GOOD ( 16.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Nov 29, 2022 at 12:03:52AM +0000, Mark Brown wrote: > This series contains a few improvements to fp-stress performance, only > noticable on emulated platforms which both run more slowly and are > stressed far more by fp-stress due to supporting more VLs for SVE and > SME. The bulk of the improvement comes from the first patch which > reduces the amount of time the main fp-stress executable is swamped by > load from the child processes during startup, the other two patches are > much more marginal. > > Mark Brown (3): > kselftest/arm64: Hold fp-stress children until they're all spawned > kselftest/arm64: Don't drain output while spawning children > kselftest/arm64: Allow epoll_wait() to return more than one result > > tools/testing/selftests/arm64/fp/fp-stress.c | 74 +++++++++++++++----- > 1 file changed, 57 insertions(+), 17 deletions(-) These don't apply on top of for-next/selftests Will _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel