Re: [PATCH] Re: [Xen-devel] Time went backwards

[Rik van Riel <riel@xxxxxxxxxx>]

On Tue, 14 Mar 2006, Keir Fraser wrote:
> On 14 Mar 2006, at 15:13, Rik van Riel wrote:
> 
> > Tick N:
> >     delta = 2.2
> >     stolen = 0.9
> >     blocked = 0.7
> > 
> >     stolen and blocked will not get incremented, while
> >     the per-cpu processed_time gets 2 jiffies
> 
> But we decrement delta_cpu *before* rounding down. So, after handling 
> stolen and blocked, we'll end up with delta_cpu==0.6 which gets rounded 
> down to 0 and so per-cpu processed_time gets 0 jiffies?

Hmmmm good point!

Now I no longer understand my own bugfix.  Great...

-- 
All Rights Reversed

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel