Re: [PATCH 4/5] perf trace: add pagefault statistics

From: Arnaldo Carvalho de Melo
Date: Fri Jun 27 2014 - 17:16:32 EST


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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