Re: thousands of kworker processes with 4.7.x and 4.8-rc*
From: Mike Galbraith
Date: Sun Sep 25 2016 - 13:21:53 EST
On Sun, 2016-09-25 at 21:40 +0900, Tomasz Chmielewski wrote:
> The problem is the allocator.
> With SLUB, I'm getting a handful of kworker processes, as expected.
> With SLAB, I'm getting thousands of kworker processes.
> Not sure if that's expected behaviour or not.
I seriously doubt 1500+ kworkers piling up is expected.
Presuming you didn't switch to SLAB and/or change userspace all around
while testing, that would still indicate a kernel regression lurking
between rc4 and rc5.