linux.kernel
[Top] [All Lists]

Re: AMD64 X2 lost ticks on PM timer

Subject: Re: AMD64 X2 lost ticks on PM timer
From: Andi Kleen
Date: Sat, 04 Mar 2006 01:10:05 +0100
Newsgroups: linux.kernel
On Saturday 04 March 2006 00:46, Jeff Garzik wrote:
>  More likely is a disabled interrupt period is longer than a
> tick period, or similar.

Then the ticks wouldn't be attributed to idle and softirq.
They are both special in that they do an unconditional local_irq_enable()
instead of the usual save/restore.

-Andi
-
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                                  www.tux.org/lkml/">http://www.tux.org/lkml/

<Prev in Thread] Current Thread [Next in Thread>
Privacy Policy