Re: [PATCH 0/9] psi: pressure stall information for CPU, memory, and IO v4

[Peter Zijlstra]

On Wed, Sep 05, 2018 at 05:43:03PM -0400, Johannes Weiner wrote:
> On Tue, Aug 28, 2018 at 01:22:49PM -0400, Johannes Weiner wrote:
> > This version 4 of the PSI series incorporates feedback from Peter and
> > fixes two races in the lockless aggregator that Suren found in his
> > testing and which caused the sample calculation to sometimes underflow
> > and record bogusly large samples; details at the bottom of this email.
> 
> Peter, do the changes from v3 look sane to you?

I'll go have a look.