Re: Interesting interaction between lguest and CFS

From: Ingo Molnar
Date: Tue Jun 05 2007 - 05:24:17 EST



* 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?

Ingo
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