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Date: Fri, 1 Sep 2017 14:31:19 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
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        Vince Weaver <vince@deater.net>, Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [RFC][PATCH] perf: Rewrite enabled/running timekeeping
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On Fri, Sep 01, 2017 at 01:45:17PM +0300, Alexey Budankov wrote:
> Well, this looks like an "opposite" approach to event timekeeping in 
> comparison to what we currently have. 

I would say 'sane' approach. The current thing is horrible.

> Do you want this rework before or after the current patch set?

Before I would think, because the whole point of the rb-tree thing is to
not touch all events all the time. And you can only do that after you
fix that timekeeping.