Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755179Ab2EOKdF (ORCPT ); Tue, 15 May 2012 06:33:05 -0400 Received: from merlin.infradead.org ([205.233.59.134]:49583 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751705Ab2EOKdE convert rfc822-to-8bit (ORCPT ); Tue, 15 May 2012 06:33:04 -0400 Message-ID: <1337077973.27694.24.camel@twins> Subject: Re: [GIT PULL 0/8] Annotation weekly ponies delivery From: Peter Zijlstra To: Namhyung Kim Cc: Ingo Molnar , Linus Torvalds , Arnaldo Carvalho de Melo , linux-kernel@vger.kernel.org, Arjan van de Ven , David Ahern , Frederic Weisbecker , Mike Galbraith , Paul Mackerras , Stephane Eranian , arnaldo.melo@gmail.com, Arnaldo Carvalho de Melo Date: Tue, 15 May 2012 12:32:53 +0200 In-Reply-To: <1337007985.1552.5.camel@leonhard> References: <1336852387-16322-1-git-send-email-acme@infradead.org> <1336994000.2443.24.camel@twins> <20120514115551.GA6479@gmail.com> <1337007985.1552.5.camel@leonhard> Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT X-Mailer: Evolution 3.2.2- Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 662 Lines: 20 On Tue, 2012-05-15 at 00:06 +0900, Namhyung Kim wrote: > perf_evlist__config_attrs() has this: > > if (evlist->cpus->map[0] < 0) > opts->no_inherit = true; > > meaning that per task profiling won't enable event inheritance. I don't > know why it's needed though. Because you cannot have inherited per-task counters. It only works for per-task-per-cpu counters. Otherwise you'll have a scalability nightmare. -- 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/