From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>, lkml <linux-kernel@vger.kernel.org>,
David Ahern <dsahern@gmail.com>,
Namhyung Kim <namhyung@kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: 'perf stat --repeat N' oddity/regression
Date: Tue, 26 Jan 2016 11:18:30 -0300 [thread overview]
Message-ID: <20160126141830.GC4361@kernel.org> (raw)
In-Reply-To: <20160126080822.GA7970@gmail.com>
Em Tue, Jan 26, 2016 at 09:08:22AM +0100, Ingo Molnar escreveu:
>
> * Arnaldo Carvalho de Melo <acme@kernel.org> wrote:
>
> > Em Mon, Jan 25, 2016 at 04:43:33PM -0300, Arnaldo Carvalho de Melo escreveu:
> > > Em Mon, Jan 25, 2016 at 07:35:11PM +0100, Ingo Molnar escreveu:
> > > >
> > > > So it appears it broke somewhere between v4.0 and v4.1, as the v4.0 install
> > > > displays:
> > > >
> > > > 16,244,802,268 instructions ( +- 23.01% )
> > > >
> > > > 2.108676769 seconds time elapsed ( +- 0.86% )
> > > >
> > > >
> > > > [a few minutes later]
> > > >
> > > > Bisected it down to:
> > >
> > > Mel Gorman reported this and Jiri provided a patch that Mel tested and
> > > verified that it fixed, checking where it is sitting now...
> >
> > I already sent it your way, its:
> >
> > 198 N C 01/21 Arnaldo Carvalh (1.4K) ├─>[PATCH 06/16] perf stat: Do not clean event's private stats
> >
> > Please pull my perf-core-for-mingo tag and you should get it, its an one
> > liner.
>
> Hm, are all of those changes fixes? If not then mind splitting them into a
> perf/urgent portion as well?
Ok, doing that...
- Arnaldo
prev parent reply other threads:[~2016-01-26 14:18 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-20 16:31 [PATCH] perf tools: Do not show trace command if it's not compiled in Jiri Olsa
2016-01-12 11:23 ` Ingo Molnar
2016-01-12 14:29 ` Arnaldo Carvalho de Melo
2016-01-13 10:42 ` Ingo Molnar
2016-01-25 18:22 ` 'perf stat --repeat N' oddity/regression Ingo Molnar
2016-01-25 18:35 ` Ingo Molnar
2016-01-25 19:43 ` Arnaldo Carvalho de Melo
2016-01-25 19:48 ` Arnaldo Carvalho de Melo
2016-01-26 8:08 ` Ingo Molnar
2016-01-26 14:18 ` Arnaldo Carvalho de Melo [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160126141830.GC4361@kernel.org \
--to=acme@kernel.org \
--cc=a.p.zijlstra@chello.nl \
--cc=dsahern@gmail.com \
--cc=jolsa@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@kernel.org \
--cc=namhyung@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.