Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752036AbaKGPde (ORCPT ); Fri, 7 Nov 2014 10:33:34 -0500 Received: from mx1.redhat.com ([209.132.183.28]:56365 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751229AbaKGPdb (ORCPT ); Fri, 7 Nov 2014 10:33:31 -0500 Date: Fri, 7 Nov 2014 13:33:02 -0200 From: Arnaldo Carvalho de Melo To: David Ahern Cc: Peter Zijlstra , Masami Hiramatsu , Hemant Kumar , Namhyung Kim , linux-kernel@vger.kernel.org, srikar@linux.vnet.ibm.com, oleg@redhat.com, hegdevasant@linux.vnet.ibm.com, mingo@redhat.com, systemtap@sourceware.org, aravinda@linux.vnet.ibm.com, penberg@iki.fi, brendan.d.gregg@gmail.com, "yrl.pp-manager.tt@hitachi.com" Subject: Re: [RFC] perf-cache command interface design Message-ID: <20141107153302.GB2137@redhat.com> References: <20141102105557.21708.19032.stgit@hemant-fedora> <87lhnr5sbl.fsf@sejong.aot.lge.com> <54588905.7040002@linux.vnet.ibm.com> <5458CD15.4010101@hitachi.com> <874muew2hk.fsf@sejong.aot.lge.com> <5459E865.6050207@hitachi.com> <545B1DDE.9000202@linux.vnet.ibm.com> <545C80F4.4020905@hitachi.com> <20141107084211.GC23531@worktop.programming.kicks-ass.net> <545CE239.6050205@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <545CE239.6050205@gmail.com> X-Url: http://acmel.wordpress.com User-Agent: Mutt/1.5.20 (2009-12-10) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Em Fri, Nov 07, 2014 at 08:16:09AM -0700, David Ahern escreveu: > On 11/7/14, 1:42 AM, Peter Zijlstra wrote: > >On Fri, Nov 07, 2014 at 05:21:08PM +0900, Masami Hiramatsu wrote: > >>The paths of buildid cache of binary/symbols are not changed. > > > >Could we get an option in .perfconfig to disable the buildid cache? Its > >pointless diskspace wastage for some of us. > > I was going to respond with the same. This: > > [buildid] > # Default, disable using /dev/null > dir = /dev/null > > disables the build-id cache. Hopefully that extends to all the other > caches getting discussed. I think this can even be something Kconfig'ed, and we can provide a .config file for people like Peter that want as barebone a perf he can get over with :-) /me needs to try that last perf Kconfig patchkit... - Arnaldo -- 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/