[linux-dvb] Flooding interrupts

Jimmy Hedman jimmy.hedman at southpole.se
Mon Sep 25 21:45:39 CEST 2006


mån 2006-09-25 klockan 18:15 +0200 skrev Sigmund Augdal Helberg:
> On Mon, 2006-09-25 at 17:11 +0200, Jimmy Hedman wrote:
> > Hi,
> > I have a Compro DVB-T 300 which uses the saa7134-dvb-driver. When it's
> > tuned it is flooding my system with between 12000 and 16000 interrupts a
> > second. It works, but that amout of interrupts doesn't sound healty. Any
> > ideas what this could be?
> May I ask how you got that number? I think perhaps I have a similar
> problem with a different device.

I first ran vmstat and found out that I had lots of interrupts. Then I
used watch -d cat /proc/interrupts to figure out which of the interrupts
that was causing the interrupts.
Hope that helps you.

// Jimmy




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