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

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> 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().

Thanks! Jan


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