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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 F0F91C76196 for ; Thu, 18 Jul 2019 14:52:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CAFBB2080D for ; Thu, 18 Jul 2019 14:52:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563461563; bh=eJedqD04pIPQyDVAt+QNFlTydCXgJIwv19f+g7211xE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=k//ymCh85O8EtZmeR1Wemz0osVpgNSkQCCzS2But2yprEjrtZnOeYHQteG6DOTnds oZIxE8ygkeB407PVPC0KBeEzyfBF+181X7N1dfRK8+WJcZgULl/KSW730UGekkiAmR Vvn5dpBwcqRixnYEUmNU1oHRpzYLj/8JmVK7OGtg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390754AbfGROwn (ORCPT ); Thu, 18 Jul 2019 10:52:43 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:46657 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727730AbfGROwm (ORCPT ); Thu, 18 Jul 2019 10:52:42 -0400 Received: by mail-pf1-f195.google.com with SMTP id c73so12733754pfb.13; Thu, 18 Jul 2019 07:52:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=kdlQ+ZPSDRxy+hMQiUFO3ksp/qaRtATcUb/dMo1TYd8=; b=G+uVkXPjAw9NiiNh0jU82g/OdTfB+WNeo3P9z2cDgfiGo9WeXQE3bYhkBh5ly/uz6E CL4byZQIvhkL6bhSQ5x4P1do4jCpVslucPVrCK+dKvNTDD9FGQk05KOByR6qOcdIezJf AtCYmAtuQvopQ7T3Wfb5d9dv0Cn1se0lZUpn3wzHFoLbpNum61jVlOvxcmwL9i4rbLKh wzaNXh8a5pY5+7uv58oX35qtG17b0hCwt1kZD8xVEKgGj+NeRPcWVDWuCmyzlcNvaBCe v/XvA6/r2kh4U9h6d24kXXxgwwf7Ndkq0ZTQxz0R4jfbXF4BgwlDFwWjy4JogJVzoSh3 IAqA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=kdlQ+ZPSDRxy+hMQiUFO3ksp/qaRtATcUb/dMo1TYd8=; b=Lt1imdreh9TeM8Nlvm+xOzpCM0LGNtj94F2eeyncL+Fu5PxjxQQp6aGsxPdk/ykQp+ 6wgXtx+wScw5bALGrbf3VIHSpg2Mat5P+u/VCwC/he2nk9a8sx2cfjkEMcvPvWRurVB9 bUDiiaLObsZlTSGFv9KQYM2Oska1H7D1meMRgdwgSv61qZ8RuHPtFQc12haSHuKrNpEf wSsN0Ce3fmkfk6/tlwUwjdktAdUtJ5P6yJz0yD9xq9OyntMvVSZLwFAFI9M0XzR2WWCb UVTJWz4wDe4lVG6JaOQCkg3UNTVLq5bYjo1L86Vd9d1C65Y0ElXM8Zk5DWp1K2XQmNh2 BKTQ== X-Gm-Message-State: APjAAAXv7JnhFG1qGQr1tY6IE/7t+XHvEpiRsT/6IdsgRoj2lLrmI8gs kEQgNI53yO/SFoNTD5FTWuY= X-Google-Smtp-Source: APXvYqySnzdXAX4u91l+VhDPTH/tfBFQlI/XuZZomIx2iYuA2XchF451YLajdmdVBI0K3ZquysErGQ== X-Received: by 2002:a65:500a:: with SMTP id f10mr17214847pgo.105.1563461561641; Thu, 18 Jul 2019 07:52:41 -0700 (PDT) Received: from localhost ([2620:10d:c091:500::3:ef9b]) by smtp.gmail.com with ESMTPSA id z24sm49803845pfr.51.2019.07.18.07.52.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 18 Jul 2019 07:52:40 -0700 (PDT) Date: Thu, 18 Jul 2019 07:52:38 -0700 From: Tejun Heo To: Patrick Bellasi Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Ingo Molnar , Peter Zijlstra , "Rafael J . Wysocki" , Vincent Guittot , Viresh Kumar , Paul Turner , Quentin Perret , Dietmar Eggemann , Morten Rasmussen , Juri Lelli , Todd Kjos , Joel Fernandes , Steve Muckle , Suren Baghdasaryan , Alessio Balsini Subject: Re: [PATCH v11 1/5] sched/core: uclamp: Extend CPU's cgroup controller Message-ID: <20190718145238.GD696309@devbig004.ftw2.facebook.com> References: <20190708084357.12944-1-patrick.bellasi@arm.com> <20190708084357.12944-2-patrick.bellasi@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190708084357.12944-2-patrick.bellasi@arm.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, Patrick. On Mon, Jul 08, 2019 at 09:43:53AM +0100, Patrick Bellasi wrote: > +static inline void cpu_uclamp_print(struct seq_file *sf, > + enum uclamp_id clamp_id) > +{ > + struct task_group *tg; > + u64 util_clamp; > + u64 percent; > + u32 rem; > + > + rcu_read_lock(); > + tg = css_tg(seq_css(sf)); > + util_clamp = tg->uclamp_req[clamp_id].value; > + rcu_read_unlock(); > + > + if (util_clamp == SCHED_CAPACITY_SCALE) { > + seq_puts(sf, "max\n"); > + return; > + } > + > + percent = uclamp_percent_from_scale(util_clamp); > + percent = div_u64_rem(percent, 100, &rem); > + seq_printf(sf, "%llu.%u\n", percent, rem); "%llu.%02u" otherwise 20.01 gets printed as 20.1 Thanks. -- tejun