* Uwe Kleine-König <[EMAIL PROTECTED]> wrote:
> I found the problem, it had only indirectly to do with nohz. I didn't
> acknowledge the serial interrupt but as the timer and the serial need
> the same acknowledgement the serial irq got his ack always when the
> timer triggerd. Up to now that
Hello,
Uwe Kleine-König wrote:
> > it's nohz=off not no_hz=off
> Currently I'm not sure, which I was really using. I think it was the
> right one, because dmesg changed. But anyhow, I will retest if I made
> it wrong.
OK, I was really using no_hz, and with nohz I got approx the same result
as wi
Hello,
Thomas Gleixner wrote:
> On Tue, 2007-06-26 at 17:00 +0200, Uwe Kleine-K??nig wrote:
> > If I enable NO_HZ, the system jerks (I hope this is an understandable
> > term ...). E.g.
> >
> > # time find /sys
> > ...
> > real1m 19.52s
> > user0m 0.18s
> > sys
On Tue, 2007-06-26 at 17:00 +0200, Uwe Kleine-König wrote:
> If I enable NO_HZ, the system jerks (I hope this is an understandable
> term ...). E.g.
>
> # time find /sys
> ...
> real1m 19.52s
> user0m 0.18s
> sys 0m 0.15s
>
> on a freshly booted machin
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