Re: [Problem] Cache line starvation

From: Sebastian Andrzej Siewior
Date: Fri Sep 21 2018 - 08:50:55 EST


On 2018-09-21 14:13:19 [+0200], Thomas Gleixner wrote:
> On Fri, 21 Sep 2018, Sebastian Andrzej Siewior wrote:
> > We reproducibly observe cache line starvation on a Core2Duo E6850 (2
> > cores), a i5-6400 SKL (4 cores) and on a NXP LS2044A ARM Cortex-A72 (4
> > cores).
>
> We tried to reproduce on AMD, but so far no failure.

After tweaking the config a little, it just triggered after ~8 minutes
on a A10-7800.

> Thanks,
>
> tglx

Sebastian