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Date: Sat, 29 Jul 2017 05:21:15 +0200 From: Mike Galbraith <efault@....de> To: Johannes Weiner <hannes@...xchg.org>, Ingo Molnar <mingo@...hat.com>, Peter Zijlstra <peterz@...radead.org>, Andrew Morton <akpm@...ux-foundation.org>, Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de> Cc: linux-mm@...ck.org, linux-kernel@...r.kernel.org, kernel-team@...com Subject: Re: [PATCH 0/3] memdelay: memory health metric for systems and workloads On Sat, 2017-07-29 at 04:48 +0200, Mike Galbraith wrote: > On Thu, 2017-07-27 at 11:30 -0400, Johannes Weiner wrote: > > > > Structure > > > > The first patch cleans up the different loadavg callsites and macros > > as the memdelay averages are going to be tracked using these. > > > > The second patch adds a distinction between page cache transitions > > (inactive list refaults) and page cache thrashing (active list > > refaults), since only the latter are unproductive refaults. > > > > The third patch finally adds the memdelay accounting and interface: > > its scheduler side identifies productive and unproductive task states, > > and the VM side aggregates them into system and cgroup domain states > > and calculates moving averages of the time spent in each state. > > What tree is this against? ttwu asm delta says "measure me". (mm/master.. gee)
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