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Message-ID: <20140627211621.GI18773@kernel.org>
Date: Fri, 27 Jun 2014 18:16:21 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Stanislav Fomichev <stfomichev@...dex-team.ru>
Cc: a.p.zijlstra@...llo.nl, paulus@...ba.org, mingo@...hat.com,
dsahern@...il.com, jolsa@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] perf trace: add pagefault statistics
Em Fri, Jun 27, 2014 at 07:44:17PM +0400, Stanislav Fomichev escreveu:
> On Fri, Jun 27, 2014 at 10:53:30AM -0300, Arnaldo Carvalho de Melo wrote:
> > Em Fri, Jun 27, 2014 at 12:43:07PM +0400, Stanislav Fomichev escreveu:
> > > > Where is it?
> > > > usleep (19155), 151 events, 84.4%, 0:68 faults, 0.000 msec
> > > ^^^^^^^^^^^
> > > maj:min
> > Ok, thanks for the explanation, I'll add that to the commit log and
> > check if the documentation mentions that in the statistics section.
> Currently, there is no documentation for statistics.
> Maybe it makes sense to split this cryptic message into
> "0 majfaults, 68 minfauls" and then we don't even need to have
> documentation at all?
I guess this is a good step, i.e. to add it in the same way as existing
events, the syscalls.
At some point we should add docs about the statistics.
- Arnaldo
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