From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Testing tracer wakeup_rt: .. no entries found ..FAILED! Date: Tue, 31 Jul 2012 15:50:51 +0300 Message-ID: <5017D4AB.3090107@redhat.com> 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> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Cc: Fengguang Wu , Steven Rostedt , "Paul E. McKenney" , LKML , "kvm@vger.kernel.org" To: Steven Rostedt Return-path: In-Reply-To: <1343738627.27983.30.camel@gandalf.stny.rr.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.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