Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751726Ab3IPQpN (ORCPT ); Mon, 16 Sep 2013 12:45:13 -0400 Received: from mx1.redhat.com ([209.132.183.28]:13440 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751458Ab3IPQpL (ORCPT ); Mon, 16 Sep 2013 12:45:11 -0400 Date: Mon, 16 Sep 2013 12:44:21 -0400 From: Dave Jones To: Peter Zijlstra Cc: Steven Rostedt , Linux Kernel , Frederic Weisbecker , Ingo Molnar Subject: Re: trinity finds ftrace/perf bug. Film at 11. Message-ID: <20130916164421.GA17568@redhat.com> Mail-Followup-To: Dave Jones , Peter Zijlstra , Steven Rostedt , Linux Kernel , Frederic Weisbecker , Ingo Molnar References: <20130911135434.GA678@redhat.com> <20130912141913.2ffc7077@gandalf.local.home> <20130913105637.GM31370@twins.programming.kicks-ass.net> <20130913141638.GA6799@redhat.com> <20130916093719.GR21832@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130916093719.GR21832@twins.programming.kicks-ass.net> 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 Content-Length: 1176 Lines: 38 On Mon, Sep 16, 2013 at 11:37:19AM +0200, Peter Zijlstra wrote: > On Fri, Sep 13, 2013 at 10:16:38AM -0400, Dave Jones wrote: > > without the diff, it'll use all kinds of fds. this diff hardwires it to just use > > fd's from perf_event_open. I'll hack up a command line switch to do this in a better > > way at some point. > > > > Dave > > > > > > diff --git a/fds.c b/fds.c > > index cc1ca6d..f48c95e 100644 > > --- a/fds.c > > +++ b/fds.c > > @@ -119,6 +119,8 @@ static int get_new_random_fd(void) > > retry: > > i = rand() % 6; > > > > + i = 3; > > + > > if (do_specific_proto == TRUE) > > i = 1; > > I'm just not having much luck it seems, even after actually enabling > list debugging (D0H). may be some other option.. Try http://www.codemonkey.org.uk/junk/haswell-config > What kind of hardware are you running this on? model name : Intel(R) Core(TM) i5-4670T CPU @ 2.30GHz Dave -- 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/