Re: Interesting interaction between lguest and CFS

From: Matt Mackall
Date: Tue Jun 05 2007 - 10:07:00 EST


On Tue, Jun 05, 2007 at 11:23:44AM +0200, Ingo Molnar wrote:
>
> * Matt Mackall <mpm@xxxxxxxxxxx> wrote:
>
> > Ok, my transcoding just finished as I was writing this. So I've
> > reproduced the problem with this Python script that I had handy:
> >
> > memload.py:
> > #!/usr/bin/python
> > a = "a" * 16 * 1024 * 1024
> > while 1:
> > b = a[1:] + "b"
> > a = b[1:] + "c"
>
> i suspect the same latency is triggered by a simple infinite loop too:
>
> while : ; do : ; done &
>
> correct?

Yes.

--
Mathematics is the supreme nostalgia of our time.
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