From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753701Ab1GHP1B (ORCPT ); Fri, 8 Jul 2011 11:27:01 -0400 Received: from mail-fx0-f52.google.com ([209.85.161.52]:54693 "EHLO mail-fx0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751872Ab1GHP1A (ORCPT ); Fri, 8 Jul 2011 11:27:00 -0400 Date: Fri, 8 Jul 2011 19:26:57 +0400 From: Cyrill Gorcunov To: Steven Rostedt Cc: Don Zickus , Stephane Eranian , Ingo Molnar , Peter Zijlstra , LKML Subject: Re: [rfc] perf p4 events aliases Message-ID: <20110708152657.GH23657@sun> References: <20110707152849.GV5485@sun> <20110708151307.GA6710@redhat.com> <1310138473.26417.231.camel@gandalf.stny.rr.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1310138473.26417.231.camel@gandalf.stny.rr.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jul 08, 2011 at 11:21:13AM -0400, Steven Rostedt wrote: > On Fri, 2011-07-08 at 11:13 -0400, Don Zickus wrote: > > On Thu, Jul 07, 2011 at 07:28:49PM +0400, Cyrill Gorcunov wrote: > > > Hi Don, if you have a chance could you please check if this > > > patch does a trick for nmi-watchdog and perf top? The idea > > > is to use aliases as being proposed early. > > > > Hmm, didn't work for me. The watchdog seems to work but 'perf top' showed > > nothing (even after 30 seconds). I tried this on Linus's latest -tip and > > Ingo's perf/core -tip. No luck. > > Yeah I did the same. Without the patch, perf top works, with the patch I > get nothing. > In real it's good that it didn't find alias, since there a potential dead-lock if event become alternative and alternative then found to be busy, i'm working on it as well ;) Cyrill