On 11/28/10 06:24, Mike Galbraith wrote:
quoted text
> On Thu, 2010-11-25 at 09:00 -0700, Mike Galbraith wrote:
>
>> My vacation is (sniff) over, so I won't get a fully tested patch out the
>> door for review until I get back home.
>
> Either I forgot to pack my eyeballs, or laptop is just too dinky and
> annoying.  Now back home on beloved box, this little bugger poked me
> dead in the eye.
>
> Something else is seriously wrong though.  36.1 with attached (plus
> sched, cgroup: Fixup broken cgroup movement) works a treat, whereas
> 37.git and tip with fixlet below both suck rocks.  With a make -j40
> running, wakeup-latency is showing latencies of>100ms, amarok skips,
> mouse lurches badly.. generally horrid.  Something went south.
>

I'm looking at this.

The share:share ratios looked good in static testing, but perhaps we 
need a little more wake-up boost to improve interactivity.

Should have something tomorrow.

- Paul

quoted text
> sched: fix 3d4b47b4 typo.
>
> Signed-off-by: Mike Galbraith<efault@gmx.de>
> Cc: Peter Zijlstra<a.p.zijlstra@chello.nl>
> Cc: Ingo Molnar<mingo@elte.hu>
> LKML-Reference: new submission
> ---
>   kernel/sched.c |    3 +--
>   1 file changed, 1 insertion(+), 2 deletions(-)
>
> Index: linux-2.6/kernel/sched.c
> ===================================================================
> --- linux-2.6.orig/kernel/sched.c
> +++ linux-2.6/kernel/sched.c
> @@ -8087,7 +8087,6 @@ static inline void unregister_fair_sched
>   {
>   	struct rq *rq = cpu_rq(cpu);
>   	unsigned long flags;
> -	int i;
>
>   	/*
>   	* Only empty task groups can be destroyed; so we can speculatively
> @@ -8097,7 +8096,7 @@ static inline void unregister_fair_sched
>   		return;
>
>   	raw_spin_lock_irqsave(&rq->lock, flags);
> -	list_del_leaf_cfs_rq(tg->cfs_rq[i]);
> +	list_del_leaf_cfs_rq(tg->cfs_rq[cpu]);
>   	raw_spin_unlock_irqrestore(&rq->lock, flags);
>   }
>   #else /* !CONFG_FAIR_GROUP_SCHED */
>

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