Re: [discuss] Re: [PATCH] adjust x86-64 watchdog tick calculation

From: Pavel Machek
Date: Fri May 13 2005 - 18:01:40 EST


Hi!

> > > > Because it kills machine when interrupt latency gets too high?
> > > > Like reading battery status using i2c...
> > >
> > > That's a bug in the I2C reader then. Don't shot the messenger for bad news.
> >
> > Disagreed.
> >
> > Linux is not real time OS. Perhaps some real-time constraints "may not
> > spend > 100msec with interrupts disabled" would be healthy
> ^^^^
> You mean "microseconds", right? 100ms will be perceived by the user as,
> well, their machine freezing for 100ms...

I did mean miliseconds. IIRC current watchdog is at one second and it
still triggers even in cases when operation just takes too long.
Pavel
--
Boycott Kodak -- for their patent abuse against Java.
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