Re: [RFC GIT PULL] nohz: Basic cputime accounting for adaptivetickless

[Frederic Weisbecker]

On Thu, Jun 14, 2012 at 02:48:15PM +0200, Martin Schwidefsky wrote:
> On Thu, 14 Jun 2012 13:22:45 +0200
> Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
> 
> > On Thu, Jun 14, 2012 at 01:21:23PM +0200, Thomas Gleixner wrote:
> > > On Thu, 14 Jun 2012, Ingo Molnar wrote:
> > > > * Frederic Weisbecker <fweisbec@xxxxxxxxx> wrote:
> > > > > You're right, I should have looked into CONFIG_VIRT_CPU_ACCOUNTING sooner
> > > > > and see if I can reuse it.
> > > > > 
> > > > > I'll try something with that.
> > > > 
> > > > Maybe sanitize all the variants under a single set of 
> > > > wrappers/callbacks?
> > > 
> > > Yes, please!
> > 
> > Sure, I'm working in it.
>  
> Please keep me in the loop, I want to avoid that things break on s390. Thanks.

Do you have any idea why s390 counts idle time from asm deep in the idle code
rather than just hooking in account_system_vtime() like ppc or ia64?
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