Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756014AbZKQR1M (ORCPT ); Tue, 17 Nov 2009 12:27:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755226AbZKQR1L (ORCPT ); Tue, 17 Nov 2009 12:27:11 -0500 Received: from e35.co.us.ibm.com ([32.97.110.153]:55961 "EHLO e35.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755046AbZKQR1L (ORCPT ); Tue, 17 Nov 2009 12:27:11 -0500 Message-ID: <4B02DCE4.1080509@us.ibm.com> Date: Tue, 17 Nov 2009 09:27:00 -0800 From: Darren Hart User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: Ingo Molnar CC: Peter Zijlstra , Michel Lespinasse , Hitoshi Mitake , Thomas Gleixner , linux-kernel@vger.kernel.org, Arnaldo Carvalho de Melo Subject: Re: [PATCH] futex: add FUTEX_SET_WAIT operation References: <20091117074655.GA14023@google.com> <20091117081817.GA7963@elte.hu> <1258448121.7816.29.camel@laptop> <20091117172456.GA14749@elte.hu> In-Reply-To: <20091117172456.GA14749@elte.hu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1261 Lines: 37 Ingo Molnar wrote: > * Peter Zijlstra wrote: > >> On Tue, 2009-11-17 at 09:18 +0100, Ingo Molnar wrote: >>> Would you be interested in adding it as a 'perf bench futex' testcase? >>> That way kernel developers could monitor futex performance in the future >>> as well. >>> >>> See 'perf bench' in the latest perf events tree: >>> >>> http://people.redhat.com/mingo/tip.git/README >>> >>> Do 'cd tools/perf; make -j install' to install perf. >> Darren has recently been putting a lot of effort in making a futex test >> suite: >> >> http://git.kernel.org/?p=linux/kernel/git/dvhart/futextest.git >> >> Its not yet complete, but hopefully it will soon be :-) > > Looks nice! Any futex performance measurements within it could be added > to perf bench - with standardized options and output, etc. > > Ingo I'll take a look at perf this week and see what would be required to share (?) tests between perf and futextest. -- Darren Hart IBM Linux Technology Center Real-Time Linux Team -- 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/