Re: [LKP] [sched/numa] a43455a1d57: +94.1% proc-vmstat.numa_hint_faults_local

[Rik van Riel]

On Thu, 31 Jul 2014 13:04:54 +0800
Aaron Lu <aaron.lu@xxxxxxxxx> wrote:

> On Wed, Jul 30, 2014 at 10:25:03AM -0400, Rik van Riel wrote:
> > On 07/29/2014 10:14 PM, Aaron Lu wrote:

> > >> +#define NUMA_SCALE 1024
> > >> +#define NUMA_MOVE_THRESH (5 * NUMA_SCALE / 100)
> > 
> > It would be good to see if changing NUMA_MOVE_THRESH to
> > (NUMA_SCALE / 8) does the trick.

FWIW, running with NUMA_MOVE_THRESH set to (NUMA_SCALE / 8)
seems to resolve the SPECjbb2005 threshold on my system.

I will run some more sanity tests later today...

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