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=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS 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 C8CD0C433E0 for ; Mon, 18 Jan 2021 13:07:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9750520829 for ; Mon, 18 Jan 2021 13:07:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392011AbhARNHs (ORCPT ); Mon, 18 Jan 2021 08:07:48 -0500 Received: from foss.arm.com ([217.140.110.172]:35464 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2391690AbhARNHf (ORCPT ); Mon, 18 Jan 2021 08:07:35 -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 C635731B; Mon, 18 Jan 2021 05:06:44 -0800 (PST) Received: from e107158-lin (unknown [10.1.194.78]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 0787A3F719; Mon, 18 Jan 2021 05:06:43 -0800 (PST) Date: Mon, 18 Jan 2021 13:06:41 +0000 From: Qais Yousef To: util-linux@vger.kernel.org Cc: "Peter Zijlstra (Intel)" , Dietmar Eggemann , Vincent Guittot , Patrick Bellasi Subject: Re: [PATCH 0/5] Add a new uclampset utility Message-ID: <20210118130641.t6nqi5tv7pagb5e2@e107158-lin> References: <20210116190940.2320819-1-qais.yousef@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210116190940.2320819-1-qais.yousef@arm.com> Precedence: bulk List-ID: X-Mailing-List: util-linux@vger.kernel.org On 01/16/21 19:09, Qais Yousef wrote: > Since kernel v5.3 we have a new feature called utilization clamping that allows > influencing the utilization signals of a task, ultimately influencing the > performance of these tasks. > > The series adds a new utility called uclampset that allows the user to > manipulate util clamp (or uclamp for short) for existing running processes or > when running a new command; in a similar spirit to how taskset and chrt > currently work. > > Peter/Dietmar/Vincent/Patrick; reviewing the manpage (patch 3) to make sure it > explains this feature right would be much appreciated. You can find a branch of the changes in my github too if it helps: git clone https://github.com/qais-yousef/util-linux -b uclampset Thanks -- Qais Yousef