From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754073AbbLOMoV (ORCPT ); Tue, 15 Dec 2015 07:44:21 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:58080 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753857AbbLOMoT (ORCPT ); Tue, 15 Dec 2015 07:44:19 -0500 Date: Tue, 15 Dec 2015 13:44:15 +0100 From: Peter Zijlstra To: Namhyung Kim Cc: Arnaldo Carvalho de Melo , Ingo Molnar , Jiri Olsa , LKML , David Ahern , Taeung Song Subject: Re: [PATCH] perf record: Add record.build-id config option Message-ID: <20151215124415.GE6357@twins.programming.kicks-ass.net> References: <1450144196-22957-1-git-send-email-namhyung@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1450144196-22957-1-git-send-email-namhyung@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, Dec 15, 2015 at 10:49:56AM +0900, Namhyung Kim wrote: > Post processing at perf record takes long time on big machines. What it > does is to find build-id of related binaries. Sometimes we just want to > skip the processing and get the result quickly. Add a new config option > to control this behavior. > > The record.build-id config variable can have one of following: > > - cache: post-process data and save/update the binaries into the > build-id cache (in ~/.debug). This is default. > - no-cache: post-process data but not update the build-id cache. > Same effect with using -N option. > - skip: skip post-processing and not update the cache. > Same effect with using -B option. > > Reported-by: Peter Zijlstra Nice! Acked-by: Peter Zijlstra (Intel)