Re: [PATCH] new irq tracer

From: Kyle McMartin
Date: Wed Feb 18 2009 - 15:31:24 EST


On Wed, Feb 18, 2009 at 02:53:28PM -0500, Jason Baron wrote:
> hi,
>
> I think this patch is useful in understanding irq system behavior, and
> for tracking down irq driver handlers that are firing too often or
> spending too much time handling an irq. This approach could be extended
> to the timer irq and for softirqs...
>

Very cool, I had written something similar a week or two ago to debug
something but never had gotten around to posting it. :)

Looks like it works just as well too. Glad to see it.

cheers, Kyle
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/