Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754217AbYJUWQM (ORCPT ); Tue, 21 Oct 2008 18:16:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755876AbYJUWPz (ORCPT ); Tue, 21 Oct 2008 18:15:55 -0400 Received: from agminet01.oracle.com ([141.146.126.228]:43108 "EHLO agminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753108AbYJUWPx (ORCPT ); Tue, 21 Oct 2008 18:15:53 -0400 Message-ID: <48FE546B.4000003@oracle.com> Date: Tue, 21 Oct 2008 15:15:07 -0700 From: Randy Dunlap User-Agent: Thunderbird 2.0.0.17 (X11/20080914) MIME-Version: 1.0 To: "Pallipadi, Venkatesh" CC: Randy Dunlap , Len Brown , Ingo Molnar , "linux-acpi@vger.kernel.org" , Linux Kernel Mailing List , "Henroid, Andrew D" , Linus Torvalds , Thomas Gleixner , "H. Peter Anvin" , Andi Kleen Subject: Re: [PATCH 2/2] i7300_idle driver v1.55 References: <1d80ebdb81444701024ad9b9f026516561496a43.1223706853.git.len.brown@intel.com> <20081011083347.GA31918@elte.hu> <20081020103214.072e3b5f.randy.dunlap@oracle.com> <7E82351C108FA840AB1866AC776AEC4637CD2743@orsmsx505.amr.corp.intel.com> In-Reply-To: <7E82351C108FA840AB1866AC776AEC4637CD2743@orsmsx505.amr.corp.intel.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: AAAAAQAAAAI= X-Brightmail-Tracker: AAAAAQAAAAI= X-Whitelist: TRUE X-Whitelist: TRUE Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 818 Lines: 26 Pallipadi, Venkatesh wrote: > Thanks for the review. Some comments below. > > Thanks, > Venki > >> What is debugfs used for? any docs for it? > > It has some statistics about how many times we went > into "memory throttling" state and how long we stayed > there since the boot. And one tunable that tunes a > parameter changing the policy to start throttling. > Will document this with an update patch. "Normal" tunables should be in sysfs, not debugfs. Or is this just a debugging tunable? You surely can't be certain (or require) that debugfs be available. ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/