From: Andi Kleen <ak@suse.de>
To: Andrew Morton <akpm@digeo.com>
Cc: haveblue@us.ibm.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] make lost-tick detection more informative
Date: 30 Jan 2003 22:22:40 +0100 [thread overview]
Message-ID: <p737kcmz61r.fsf@oldwotan.suse.de> (raw)
In-Reply-To: Andrew Morton's message of "30 Jan 2003 22:17:06 +0100"
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
next parent reply other threads:[~2003-01-30 21:13 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3E39756F.6080400@us.ibm.com.suse.lists.linux.kernel>
[not found] ` <3E3995A9.E44AD77A@digeo.com.suse.lists.linux.kernel>
2003-01-30 21:22 ` Andi Kleen [this message]
2003-02-04 21:36 Dave Hansen
-- strict thread matches above, loose matches on Subject: below --
2003-01-30 18:56 Dave Hansen
2003-01-30 21:14 ` Andrew Morton
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