From: Avi Kivity <avi@redhat.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Fengguang Wu <fengguang.wu@intel.com>,
Steven Rostedt <srostedt@redhat.com>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>
Subject: Re: Testing tracer wakeup_rt: .. no entries found ..FAILED!
Date: Tue, 31 Jul 2012 15:50:51 +0300 [thread overview]
Message-ID: <5017D4AB.3090107@redhat.com> (raw)
In-Reply-To: <1343738627.27983.30.camel@gandalf.stny.rr.com>
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
next prev parent reply other threads:[~2012-07-31 12:51 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-24 9:03 __update_max_tr: rcu_read_lock() used illegally while idle! Fengguang Wu
2012-07-24 9:07 ` Testing tracer wakeup_rt: .. no entries found ..FAILED! Fengguang Wu
2012-07-25 1:31 ` Testing tracer wakeup: " Fengguang Wu
2012-07-30 15:45 ` Testing tracer wakeup_rt: " Steven Rostedt
2012-07-31 12:17 ` Fengguang Wu
2012-07-31 12:37 ` Avi Kivity
2012-07-31 12:43 ` Steven Rostedt
2012-07-31 12:50 ` Avi Kivity [this message]
2012-07-31 13:13 ` Steven Rostedt
2012-07-31 23:43 ` Fengguang Wu
2012-07-31 23:51 ` Steven Rostedt
2012-07-31 23:57 ` Paul E. McKenney
2012-08-01 0:09 ` Steven Rostedt
2012-08-01 0:18 ` Paul E. McKenney
2012-08-01 0:43 ` pci_get_subsys: GFP_KERNEL allocations with IRQs disabled Fengguang Wu
2012-08-22 2:50 ` Fengguang Wu
2012-08-22 7:49 ` Feng Tang
2012-08-22 13:02 ` Fengguang Wu
2012-08-22 18:02 ` Bjorn Helgaas
2012-08-23 5:45 ` Feng Tang
2012-08-23 7:45 ` [PATCH 1/2] PCI: Use local parameter pci_device_id for pci_get_subsys/class() Feng Tang
2012-09-08 1:00 ` Yinghai Lu
2012-09-08 1:32 ` Yinghai Lu
2012-09-08 1:59 ` Greg Kroah-Hartman
2012-09-08 13:42 ` Fengguang Wu
2012-09-08 15:30 ` Yinghai Lu
2012-09-08 15:34 ` Feng Tang
2012-09-08 18:40 ` Yinghai Lu
2012-09-08 21:06 ` Bjorn Helgaas
2012-08-23 7:45 ` [PATCH 2/2] PCI: Remove the obsolete no_pci_devices() check Feng Tang
2012-07-31 23:57 ` Testing tracer wakeup_rt: .. no entries found ..FAILED! Fengguang Wu
2012-08-07 13:29 ` Steven Rostedt
2012-08-07 13:32 ` Fengguang Wu
2012-08-21 15:16 ` [tip:perf/core] tracing: Fix wakeup_rt self test on virtual machines tip-bot for Steven Rostedt
2012-07-30 15:39 ` __update_max_tr: rcu_read_lock() used illegally while idle! Steven Rostedt
2012-07-31 12:05 ` Fengguang Wu
2012-07-31 12:10 ` Fengguang Wu
2012-07-31 13:44 ` Steven Rostedt
2012-07-31 14:41 ` Paul E. McKenney
2012-07-31 13:33 ` Steven Rostedt
2012-07-31 14:44 ` Paul E. McKenney
2012-07-31 14:51 ` Steven Rostedt
2012-07-31 14:56 ` Steven Rostedt
2012-07-31 15:18 ` Paul E. McKenney
2012-07-31 15:45 ` Steven Rostedt
2012-07-31 17:17 ` Paul E. McKenney
2012-07-31 17:24 ` Steven Rostedt
2012-07-31 17:44 ` Paul E. McKenney
2012-07-31 18:06 ` Steven Rostedt
2012-07-31 18:21 ` Paul E. McKenney
2012-07-31 15:00 ` Paul E. McKenney
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