On 24 November 2014 at 01:34, Wanpeng Li kernellwp@gmail.com wrote:
Hi Vincent, On 5/28/14, 7:15 PM, Vincent Guittot wrote:
On 28 May 2014 12:58, Peter Zijlstra peterz@infradead.org wrote:
On Fri, May 23, 2014 at 05:53:03PM +0200, Vincent Guittot wrote:
[snip]
Now I'm only struggling to understand the rationale for this, its got LLC in there somewhere, but I'm failing to comprehend.
Ah.. i have probably overestimated the fact that wake_affine was only done at MC or SMT level but after reading more deeply the glags configuration of all sched_domain level , my assumption is not true.
What's level the wake_affine should happen?
In 1st version of this patch, it was proposed to test the cpu_capacity of idle CPU only if they were sharing their cache
Regards, Vincent
Regards, Wanpeng Li
So I need to test sd flag to make sure that their share their cache at this level -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/