Re: [PATCH v2 6/8] kvm tools: Add rwlock wrapper

Takuya Yoshikawa
2011-05-30T14:16:51Z

On Mon, 30 May 2011 13:49:49 +0200
Ingo Molnar <mingo@elte.hu> wrote:

> > Note, with cpu overcommit the results are going to be bad.
>
> And that is good: if pushed hard enough it will trigger exciting (or
> obscure) bugs in the guest kernel much faster than if there's no
> overcommit, so it's rather useful for testing. (We made that
> surprising experience with -rt.)
>
> Also, such simulation would be very obviously useful if you get
> bugreports about 1024 or 4096 CPUs, like i do sometimes! :-) [*]
>

Yes, that is exactly what I wanted to see.
16 core server is the best I can use now, and usually I only use
4 core desktop!

Takuya