linux-kernel - Re: Implement lbr-as-callgraph v10

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Message-ID: <20141118133721.GA3790@kernel.org>
Date:	Tue, 18 Nov 2014 10:37:21 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Andi Kleen <andi@...stfloor.org>, Jiri Olsa <jolsa@...nel.org>,
	linux-kernel@...r.kernel.org, Namhyung Kim <namhyung@...nel.org>,
	"Liang, Kan" <kan.liang@...el.com>
Subject: Re: Implement lbr-as-callgraph v10

Em Tue, Nov 18, 2014 at 12:00:07PM +0100, Jiri Olsa escreveu:
> On Tue, Nov 18, 2014 at 11:44:16AM +0100, Jiri Olsa wrote:
> > On Mon, Nov 17, 2014 at 06:34:57PM -0300, Arnaldo Carvalho de Melo wrote:
> > > Em Wed, Nov 12, 2014 at 06:05:18PM -0800, Andi Kleen escreveu:
> > > > [Reworks to address all the review feedback. Rebased to latest tree]
> > > > [Just a repost after a rebase]
> > > > [Even more review feedback and some bugs addressed.]
> > > > [Only port to changes in perf/core. No other changes.]
> > > > [Rebase to latest perf/core]
> > > > [Another rebase. No changes]

> > > > This patchkit implements lbr-as-callgraphs in per freport,
> > > > as an alternative way to present LBR information.

> > > Ok, I have this in my perf/core branch, but I need to test it further,
> > > as I couldn't get the output that appears on some of the changelogs.

> > > If you could take a look at

> > > git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux perf/core

> > > To see if I made some mistake, that would be of help,

> > I'm getting compile error for DEBUG=1

> looks like the BUILD_BUG_ON_MSG does not work correctly with -O6 we use

Yeah, I'll probably just take the brute force approach Andi originally
used and switch to BUILD_BUG_ON_MSG once we get it working in the tools/
environment, i.e. using -O6, etc.

- Arnaldo
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