Re: [PATCH 0/2 v4] sched: Rewrite per entity runnable load average tracking

[Yuyang Du]

On Mon, Jul 28, 2014 at 09:49:18AM +0200, Mike Galbraith wrote:
> On Mon, 2014-07-28 at 03:34 +0800, Yuyang Du wrote: 
> > Thanks a lot, Mike.
> > 
> > Ben asked for this test, but actually I don't know how to get pipe-test, still
> > not even after google it.
> 
> You could write it trivially, it's just pipe ping-pong.  I can send you
> a copy of the one I use if you like.  Ingo wrote it way back in the dark
> ages, I use it to watch out for fastpath lard accumulation.

Yes, please, drop me a copy.

> > So the result is flat compared to before or a pass?
> 
> Yeah, my little box said it was a deep cgroup price noop, but a modest
> win for root.  I love minus signs, they work great, though sometimes in
> highly mysterious ways :)
> 

Minus sign is great, and I hope this patchset is not mysterious, :)

Thanks,
Yuyang
--
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/