Re: [git] CFS-devel, group scheduler, fixes

From: Mike Galbraith
Date: Thu Sep 20 2007 - 22:42:48 EST


On Thu, 2007-09-20 at 21:48 +0200, Willy Tarreau wrote:

> I don't know if this is relevant, but 4294966399 in nr_uninterruptible
> for cpu#0 equals -897, exactly the negation of cpu1.nr_uninterruptible.
> I don't know if this rings a bell for someone or if it's a completely
> useless comment, but just in case...

A task can block on one cpu, and wake up on another, which isn't
tracked, hence the fishy looking numbers. The true nr_uninterruptible
is the sum of all.

-Mike

-
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/