Re: [RFC PATCH v1 00/11] Create fast idle path for short idle periods

From: Peter Zijlstra
Date: Mon Jul 10 2017 - 04:47:08 EST

On Mon, Jul 10, 2017 at 09:38:30AM +0800, Aubrey Li wrote:
> We measured 3%~5% improvemnt in disk IO workload, and 8%~20% improvement in
> network workload.

Argh, what a mess :/

So how much of the gain is simply due to skipping NOHZ? Mike used to
carry a patch that would throttle NOHZ. And that is a _far_ smaller and
simpler patch to do.