Re: [PATCH 0/10] bulk cpu removal support

[Martin Bligh]

Ashok Raj wrote:
> On Thu, May 11, 2006 at 10:02:15AM -0700, Andrew Morton wrote:
>
> > OK, thanks.  I'm a little surprised that this patch wasn't accompanied by a
> > problem description, really.  I mean, if a single CPU offlining takes three
> > milliseconds then why bother?
>
>
> It depends on whats running at the time... with some light load, i measured 
> wall clock time, i remember seeing 2 secs at times, but its been a long time
> i did that.. so take that with a pinch :-)_
>
> i will try to get those idle and load times worked out again... the best
> i have is a  16 way, if i get help from big system oems i will send the 
> numbers out

Why is taking 30s to offline CPUs a problem?

M.
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