Re: [Xen-devel] recurring boot time scalability issues affecting time management

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 11/05/2010 09:51, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:

>>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 11.05.10 09:57 >>>
>> On 11/05/2010 07:59, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:
>> 
>>> I wonder whether the time handling code in Xen itself shouldn't/can't
>>> therefore be made more robust, or at least reliably detect this sort of
>>> issue (from past analysis of similar problems, the platform timer is
>>> rolling over due to there not being frequent enough invocations of
>>> plt_overflow()) to make analysis of the problem easier.
>> 
>> Something like the attached?
> 
> Yes, except that you probably mean __builtin_llabs() rather than
> __builtin_abs().

xen-unstable:21346

 -- Keir



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