From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762839AbcALPhc (ORCPT ); Tue, 12 Jan 2016 10:37:32 -0500 Received: from casper.infradead.org ([85.118.1.10]:35042 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752562AbcALPh1 (ORCPT ); Tue, 12 Jan 2016 10:37:27 -0500 Date: Tue, 12 Jan 2016 16:37:23 +0100 From: Peter Zijlstra To: Arnaldo Carvalho de Melo Cc: Ingo Molnar , Stephane Eranian , Namhyung Kim , LKML , Jiri Olsa , Namhyung Kim , Adrian Hunter , "ak@linux.intel.com" Subject: Re: [RFC] perf record: missing buildid for callstack modules Message-ID: <20160112153723.GK6357@twins.programming.kicks-ass.net> References: <20160107215945.GA19314@kernel.org> <80F05A66-6943-499A-B402-96249953CD15@gmail.com> <20160107234746.GB19314@kernel.org> <20160108181942.GB20576@kernel.org> <20160111173036.GA6344@twins.programming.kicks-ass.net> <20160112103943.GA6310@gmail.com> <20160112113521.GC6357@twins.programming.kicks-ass.net> <20160112143454.GV18367@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160112143454.GV18367@kernel.org> User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 12, 2016 at 11:34:54AM -0300, Arnaldo Carvalho de Melo wrote: > Have you ever played, when you noticed those overheads, with -N? Or just > used the -B big hammer and moved on? I yelled on irc, jolsa told me to use -B, I moved on ;-) Not sure -N really buys me anything, its still slower and I really don't need any of this.