2017-07-10 16:46 GMT+08:00 Peter Zijlstra <pet...@infradead.org>: > 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 :/
Agreed, this patchset is a variant of https://lkml.org/lkml/2017/6/22/296 As I mentioned before, we should not churn the core path. Regards, Wanpeng Li > > 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.
