Re: [PATCH] make lost-tick detection more informative

From: Andi Kleen (ak@suse.de)
Date: Thu Jan 30 2003 - 16:22:40 EST


Andrew Morton <akpm@digeo.com> writes:

> I've actually disabled it in -mmnext, because I get too
> much mail already.
>
> If you want to slap this on top of that and some new
> kernel-hacking debug config option, that would be neat.

On x86-64/2.4 it is a kernel option "report_lost_ticks"

The overhead is low (single if check in the timer handler), so this is fine.

If you suspect something goes wrong due to bad latency you can just tell
the user to turn it on.

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



This archive was generated by hypermail 2b29 : Fri Jan 31 2003 - 22:00:24 EST