Re: CONFIG_PREEMPT and server workloads
From: Robert Love
Date: Thu Mar 18 2004 - 14:27:08 EST
On Thu, 2004-03-18 at 14:08, Takashi Iwai wrote:
> oh, sorry, maybe i forgot to tell you that it has been already there
> :)
>
> # echo 1 > /proc/asound/card0/pcm0p/xrun_debug
>
> this will show the stacktrace when a buffer overrun/underrun is
> detected in the irq handler. it's not perfect, though.
Excellent!
Has this resulted in anything useful?
With KALLSYMS=y, a lot of users now become intelligent bug testers.
Eh, except that I do not have that procfs entry on my system..
Robert Love
-
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/