From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Stanislav Fomichev <stfomichev@yandex-team.ru>
Cc: a.p.zijlstra@chello.nl, paulus@samba.org, mingo@redhat.com,
dsahern@gmail.com, jolsa@redhat.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 4/5] perf trace: add pagefault statistics
Date: Fri, 27 Jun 2014 18:16:21 -0300 [thread overview]
Message-ID: <20140627211621.GI18773@kernel.org> (raw)
In-Reply-To: <20140627154417.GH21788@stfomichev-desktop.yandex.net>
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
next prev parent reply other threads:[~2014-06-27 21:16 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-26 16:14 [PATCH v3 0/5] perf trace pagefaults Stanislav Fomichev
2014-06-26 16:14 ` [PATCH 1/5] perf trace: add perf_event parameter to tracepoint_handler Stanislav Fomichev
2014-07-05 10:40 ` [tip:perf/core] perf trace: Add " tip-bot for Stanislav Fomichev
2014-06-26 16:14 ` [PATCH 2/5] perf trace: add support for pagefault tracing Stanislav Fomichev
2014-07-05 10:41 ` [tip:perf/core] perf trace: Add " tip-bot for Stanislav Fomichev
2014-06-26 16:14 ` [PATCH 3/5] perf trace: add pagefaults record and replay support Stanislav Fomichev
2014-07-05 10:41 ` [tip:perf/core] perf trace: Add " tip-bot for Stanislav Fomichev
2014-06-26 16:14 ` [PATCH 4/5] perf trace: add pagefault statistics Stanislav Fomichev
2014-06-26 19:41 ` Arnaldo Carvalho de Melo
2014-06-27 8:43 ` Stanislav Fomichev
2014-06-27 13:53 ` Arnaldo Carvalho de Melo
2014-06-27 15:44 ` Stanislav Fomichev
2014-06-27 21:16 ` Arnaldo Carvalho de Melo [this message]
2014-06-26 16:14 ` [PATCH 5/5] perf trace: add possibility to switch off syscall events Stanislav Fomichev
2014-07-05 10:41 ` [tip:perf/core] perf trace: Add " tip-bot for Stanislav Fomichev
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