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

Johannes Weiner
2018-09-05T21:43:03Z

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?

If there aren't any further objections, I was hoping we could get this
lined up for 4.20.