Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754559AbZIIXd6 (ORCPT ); Wed, 9 Sep 2009 19:33:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753602AbZIIXd6 (ORCPT ); Wed, 9 Sep 2009 19:33:58 -0400 Received: from bilbo.ozlabs.org ([203.10.76.25]:56629 "EHLO bilbo.ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752766AbZIIXd5 (ORCPT ); Wed, 9 Sep 2009 19:33:57 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <19112.15202.318732.299671@cargo.ozlabs.ibm.com> Date: Thu, 10 Sep 2009 09:33:54 +1000 From: Paul Mackerras To: Linus Torvalds Cc: Linux Kernel Mailing List Subject: Re: Linux 2.6.31 In-Reply-To: References: X-Mailer: VM 8.0.12 under 22.2.1 (i486-pc-linux-gnu) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 714 Lines: 17 Linus Torvalds writes: > There's also a fair chunk of new debugging/peformance counter stuff: > memory leak detection ("kmemleak"), memory usage checking ("kmemcheck") > and performance counters ("perf_counter"). Those new debugging features > are not likely usable under any real load, but are good for finding kernel > bugs at a huge performance cost. Just to be clear, that last sentence applies to kmemleak and kmemcheck, but not perf_counters, right? Paul. -- 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/