Re: perf: bisected sampling bug in Linux 4.11-rc1

From: Ingo Molnar
Date: Sat Jul 15 2017 - 07:01:00 EST

* Vince Weaver <vincent.weaver@xxxxxxxxx> wrote:

> 487f05e18aa4efacee6357480f293a5afe6593b5 is the first bad commit
> commit 487f05e18aa4efacee6357480f293a5afe6593b5
> Author: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
> Date: Thu Jan 19 18:43:30 2017 +0200
> perf/core: Optimize event rescheduling on active contexts

BTW., just to prepare for the eventuality: below is a (completely untested...)
revert of this commit, against recent kernels, with conflicts fixed up.

Does this fix your testcase?