Re: rcu_preempt running flat out on idle desktop.

2013-07-01 Thread Frederic Weisbecker
On Sun, Jun 23, 2013 at 12:58:39PM +0200, Ingo Molnar wrote: > > * Dave Jones wrote: > > > On Wed, Jun 12, 2013 at 11:34:07AM -0400, Dave Jones wrote: > > > On Thu, Jun 06, 2013 at 05:43:13PM +0200, Frederic Weisbecker wrote: > > > > > > > > Every process 200% or 0%. > > > > > > > > I

Re: rcu_preempt running flat out on idle desktop.

2013-06-23 Thread Ingo Molnar
* Dave Jones wrote: > On Wed, Jun 12, 2013 at 11:34:07AM -0400, Dave Jones wrote: > > On Thu, Jun 06, 2013 at 05:43:13PM +0200, Frederic Weisbecker wrote: > > > > > > Every process 200% or 0%. > > > > > > I see, would you mind testing this branch? > > > > > > git://git.kernel.org/

Re: rcu_preempt running flat out on idle desktop.

2013-06-20 Thread Dave Jones
On Wed, Jun 12, 2013 at 11:34:07AM -0400, Dave Jones wrote: > On Thu, Jun 06, 2013 at 05:43:13PM +0200, Frederic Weisbecker wrote: > > > > Every process 200% or 0%. > > > > I see, would you mind testing this branch? > > > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git >

Re: rcu_preempt running flat out on idle desktop.

2013-06-12 Thread Dave Jones
On Thu, Jun 06, 2013 at 05:43:13PM +0200, Frederic Weisbecker wrote: > > Every process 200% or 0%. > > I see, would you mind testing this branch? > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git > timers/urgent > > It might help, I specially think about > 45eacc69277

Re: rcu_preempt running flat out on idle desktop.

2013-06-06 Thread Dave Jones
On Thu, Jun 06, 2013 at 05:43:13PM +0200, Frederic Weisbecker wrote: > > Every process 200% or 0%. > > I see, would you mind testing this branch? > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git > timers/urgent > > It might help, I specially think about > 45eacc6927

Re: rcu_preempt running flat out on idle desktop.

2013-06-06 Thread Frederic Weisbecker
On Thu, Jun 06, 2013 at 11:31:36AM -0400, Dave Jones wrote: > On Tue, May 14, 2013 at 03:21:07AM +0200, Frederic Weisbecker wrote: > > On Thu, May 09, 2013 at 05:10:26PM -0400, Dave Jones wrote: > > > On Thu, May 09, 2013 at 11:02:08PM +0200, Frederic Weisbecker wrote: > > > > > > > > RCU opt

Re: rcu_preempt running flat out on idle desktop.

2013-06-06 Thread Dave Jones
On Tue, May 14, 2013 at 03:21:07AM +0200, Frederic Weisbecker wrote: > On Thu, May 09, 2013 at 05:10:26PM -0400, Dave Jones wrote: > > On Thu, May 09, 2013 at 11:02:08PM +0200, Frederic Weisbecker wrote: > > > > > > RCU options for this build are.. > > > > > > > I can't reproduce that iss

Re: rcu_preempt running flat out on idle desktop.

2013-05-13 Thread Frederic Weisbecker
On Thu, May 09, 2013 at 05:10:26PM -0400, Dave Jones wrote: > On Thu, May 09, 2013 at 11:02:08PM +0200, Frederic Weisbecker wrote: > > > > RCU options for this build are.. > > > > > I can't reproduce that issue even with the above setting. Could you > > please send me your whole config? > > h

Re: rcu_preempt running flat out on idle desktop.

2013-05-09 Thread Dave Jones
On Thu, May 09, 2013 at 11:02:08PM +0200, Frederic Weisbecker wrote: > > RCU options for this build are.. > > > I can't reproduce that issue even with the above setting. Could you > please send me your whole config? http://paste.fedoraproject.org/11363/36813375/raw/ Dave -- To unsub

Re: rcu_preempt running flat out on idle desktop.

2013-05-09 Thread Frederic Weisbecker
2013/5/8 Dave Jones : > On what should be an idle desktop, I'm seeing really strange things. > > The XFCE CPU meter shows both cores are running with no idle time. > > here's the top of the top(1) output.. > > PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND >10 root 2

Re: rcu_preempt running flat out on idle desktop.

2013-05-09 Thread Ingo Molnar
* Frederic Weisbecker wrote: > 2013/5/8 Dave Jones : > > On Wed, May 08, 2013 at 01:52:58PM -0700, Paul E. McKenney wrote: > > > On Wed, May 08, 2013 at 04:30:42PM -0400, Dave Jones wrote: > > > > > > PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND > > > >10 root

Re: rcu_preempt running flat out on idle desktop.

2013-05-09 Thread Frederic Weisbecker
2013/5/8 Dave Jones : > On Wed, May 08, 2013 at 01:52:58PM -0700, Paul E. McKenney wrote: > > On Wed, May 08, 2013 at 04:30:42PM -0400, Dave Jones wrote: > > > > PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND > > >10 root 20 0 000 S 200.0 0.0 185301

Re: rcu_preempt running flat out on idle desktop.

2013-05-08 Thread Paul E. McKenney
On Wed, May 08, 2013 at 05:17:59PM -0400, Dave Jones wrote: > On Wed, May 08, 2013 at 02:16:35PM -0700, Paul E. McKenney wrote: > > On Wed, May 08, 2013 at 04:56:33PM -0400, Dave Jones wrote: > > > On Wed, May 08, 2013 at 01:52:58PM -0700, Paul E. McKenney wrote: > > > > On Wed, May 08, 2013 at

Re: rcu_preempt running flat out on idle desktop.

2013-05-08 Thread Dave Jones
On Wed, May 08, 2013 at 02:16:35PM -0700, Paul E. McKenney wrote: > On Wed, May 08, 2013 at 04:56:33PM -0400, Dave Jones wrote: > > On Wed, May 08, 2013 at 01:52:58PM -0700, Paul E. McKenney wrote: > > > On Wed, May 08, 2013 at 04:30:42PM -0400, Dave Jones wrote: > > > > > > PID USER

Re: rcu_preempt running flat out on idle desktop.

2013-05-08 Thread Paul E. McKenney
On Wed, May 08, 2013 at 04:56:33PM -0400, Dave Jones wrote: > On Wed, May 08, 2013 at 01:52:58PM -0700, Paul E. McKenney wrote: > > On Wed, May 08, 2013 at 04:30:42PM -0400, Dave Jones wrote: > > > > PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND > > >10 root 20

Re: rcu_preempt running flat out on idle desktop.

2013-05-08 Thread Dave Jones
On Wed, May 08, 2013 at 01:52:58PM -0700, Paul E. McKenney wrote: > On Wed, May 08, 2013 at 04:30:42PM -0400, Dave Jones wrote: > > PID USER PR NI VIRT RES SHR S %CPU %MEMTIME+ COMMAND > >10 root 20 0 000 S 200.0 0.0 185301:36 rcu_preempt > > 553 ro

Re: rcu_preempt running flat out on idle desktop.

2013-05-08 Thread Paul E. McKenney
On Wed, May 08, 2013 at 04:30:42PM -0400, Dave Jones wrote: > On what should be an idle desktop, I'm seeing really strange things. > > The XFCE CPU meter shows both cores are running with no idle time. > > here's the top of the top(1) output.. > > PID USER PR NI VIRT RES SHR S %CPU %