Re: [ANNOUNCE] 3.0.14-rt31 - ksoftirq running wild - FEC ethernetdriver to blame?

[Steven Rostedt]

On Tue, 2012-01-17 at 15:27 +0100, Tim Sander wrote:
> Hi
> 
> I have further input to the ksoftirq/0 using as much cpu as available on a
> arm i.mx pcm043 platform without load with a 3.0.14-rt31 kernel and some local 
> platform adaptions.
> 
> > I was thinking about this ksoftirq0 running on max cpu. The context:
> > > > > and the running wild ksoftirqd0 most probably after the kernel
> > > > > message: "sched: RT throttling activated"

> I think that the message  "sched: RT throttling activated" and the ksoftirqd 
> running on full cpu are possibly to seperate errors. Btw. is there a way to 
> find out which processes where conuming this timeframe. It would be nice to add 
> info output which processes caused the throtteling. Is it possible to get this 
> information out of the scheduler structure?
> 

Peter,

This is your territory.

-- Steve


--
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/