Re: [sched next] overflowed cpu time for kernel threads in/proc/PID/stat

[Frederic Weisbecker]

On Tue, Aug 20, 2013 at 06:35:50PM +0300, Sergey Senozhatsky wrote:
> On (08/20/13 17:15), Frederic Weisbecker wrote:
> > On Tue, Aug 20, 2013 at 02:14:26PM +0300, Sergey Senozhatsky wrote:
> > Hello,
> > 
> > Please upload your config.
> > 
> > I'm adding Stanislaw in Cc in case it relates to cputime scaling.
> >
> 
> please find attached.
> 
> 	-ss

> #
> # CPU/Task time and stats accounting
> #
> CONFIG_VIRT_CPU_ACCOUNTING=y
> CONFIG_VIRT_CPU_ACCOUNTING_GEN=y

So it happens with full dynticks cputime accounting.
How reproducable is this? Does it always happen?
Does it happen with CONFIG_TICK_CPU_ACCOUNTING as well? (you'll
need to deactivate full dynticks.)

Thanks.
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