From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Prakash, Prashanth" Subject: Re: [PATCH 0/2] additional sysfs entries for CPPC Date: Thu, 5 Jan 2017 10:59:11 -0700 Message-ID: <502822f6-9983-506e-df9d-34aca752382f@codeaurora.org> References: <1481763994-28146-1-git-send-email-pprakash@codeaurora.org> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:49570 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763129AbdAER7O (ORCPT ); Thu, 5 Jan 2017 12:59:14 -0500 In-Reply-To: Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: ahs3@redhat.com, linux-acpi@vger.kernel.org Cc: rjw@rjwysocki.net, alexey.klimov@arm.com, hotran@apm.com, cov@codeaurora.org On 1/3/2017 11:37 AM, Al Stone wrote: > On 12/14/2016 06:06 PM, Prashanth Prakash wrote: >> This patch-set adds few additional sysfs entries to expose the >> performance capabilities of each CPU. The performance capabilities >> include highest perf, lowest perf, nominal perf and lowest >> non-linear perf. See 8.4.7.1 for ACPI 6.1 spec for details on >> these capabilities. >> >> cppc_cpufreq driver operates in KHz scale whereas the delivered >> performance computed in userspace will be in abstract CPPC scale, so >> exposing perf capabilities should allow userspace to figure out the >> conversion factor from CPPC scale to KHz. >> >> Prashanth Prakash (2): >> ACPI / CPPC: read all perf caps in a single cppc read command >> ACPI / CPPC: add sysfs entries for CPPC perf capabilities >> >> drivers/acpi/cppc_acpi.c | 164 ++++++++++++++++++++++++++++++----------------- >> include/acpi/cppc_acpi.h | 3 +- >> 2 files changed, 107 insertions(+), 60 deletions(-) >> > Nice addition, Prashanth. I had thought about doing this, but got distracted. > Thanks for following through :). I have not had a chance to test these yet, but > will do so as soon as I can; my initial review is pretty positive, though. > Thanks Al! I look forward for your test results. Thanks, Prashanth