From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756252Ab2GaMvA (ORCPT ); Tue, 31 Jul 2012 08:51:00 -0400 Received: from mx1.redhat.com ([209.132.183.28]:3353 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756183Ab2GaMu7 (ORCPT ); Tue, 31 Jul 2012 08:50:59 -0400 Message-ID: <5017D4AB.3090107@redhat.com> Date: Tue, 31 Jul 2012 15:50:51 +0300 From: Avi Kivity User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120615 Thunderbird/13.0.1 MIME-Version: 1.0 To: Steven Rostedt CC: Fengguang Wu , Steven Rostedt , "Paul E. McKenney" , LKML , "kvm@vger.kernel.org" Subject: Re: Testing tracer wakeup_rt: .. no entries found ..FAILED! References: <20120724090330.GA9830@localhost> <20120724090720.GA10434@localhost> <1343663105.3847.7.camel@fedora> <20120731121759.GA17822@localhost> <5017D19B.5080806@redhat.com> <1343738627.27983.30.camel@gandalf.stny.rr.com> In-Reply-To: <1343738627.27983.30.camel@gandalf.stny.rr.com> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/31/2012 03:43 PM, Steven Rostedt wrote: > On Tue, 2012-07-31 at 15:37 +0300, Avi Kivity wrote: >> On 07/31/2012 03:17 PM, Fengguang Wu wrote: >> > >> > It's good to quickly get to the root cause :) Can we possibly detect >> > whether we are in a virtual machine and hence skip this particular >> > test case? >> >> cpu_has(&boot_cpu, X86_FEATURE_HYPERVISOR) >> > > Yeah, but then it is still broken on non-x86 code (the test lives in > core kernel). > > As it is just testing the events for wakeup, I could probably just add a > completion and force the other thread to just wait for it. I'll write up > a patch. But it wont make it in till 3.7. That would be better. A hypervisor might be real-time capable (with some effort kvm can do this), so we don't want to turn off real time features just based on that. -- error compiling committee.c: too many arguments to function