From mboxrd@z Thu Jan 1 00:00:00 1970 From: Srinivas Pandruvada Subject: Re: Implement userspace RAPL bits in cpupower Date: Fri, 05 Jun 2015 19:33:54 -0700 Message-ID: <55725C12.2040604@linux.intel.com> References: <1499120.6h7ZWas8bA@skinner> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mga11.intel.com ([192.55.52.93]:11664 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751327AbbFFCeA (ORCPT ); Fri, 5 Jun 2015 22:34:00 -0400 In-Reply-To: <1499120.6h7ZWas8bA@skinner> Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: Thomas Renninger , linux-pm@vger.kernel.org Cc: rafael.j.wysocki@intel.com, Len Brown , jacob.jun.pan@linux.intel.com On 06/05/2015 07:39 AM, Thomas Renninger wrote: > Hi, Hi, > I'd like to ask whether there already exist userspace bits > for the powercap/rapl drivers? This is used in user space for Android for power saver mode and Linux thermal daemon,. Also there is a powermeter at https://github.com/spandruvada/rapl_power_meter > > Afaik there is some "read-only"/monitor code in turbostat, > but it is not intended to add any modifying code in there? > > I would like to avoid yet another (Intel) CPU specific > userspace tool, like: > tools/power/x86/x86_energy_perf_policy > tools/power/x86/turbostat > > and it would be great if userspace bits could be added to > cpupower utility > tools/power/cpupower > I searched for rapl and powercap in the MAINTAINERS list, > but there wasn't any match. Is there a candidate (Jacob?) who > might be the right one or who volunteers for this? This is maintained by Rafael. Jacob and me are the authors/developers for power capping and RAPL drivers. Thanks, Srinivas > Thanks for any hints and any discussion input, > > Thomas > -- > To unsubscribe from this list: send the line "unsubscribe linux-pm" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >