Re: [debug patch] printk: Add a printk killswitch to robustify NMIwatchdog messages

From: Peter Zijlstra
Date: Mon Jun 06 2011 - 12:54:11 EST


On Mon, 2011-06-06 at 18:45 +0200, Arne Jansen wrote:
> > As long as it doesn't scramble the order of the messages, the delay
> > imho doesn't matter even in very printk-heavy debugging sessions.
>
> And, as important, doesn't reduce the throughput of printk. Having only
> 100 wakeups/s sounds like the throughput is limited to 100xsizeof(ring
> buffer).

Right, that's another problem.. not really sure delaying all this is
going to work :/


--
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/