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.