linux-kernel - Re: [PATCH 2/6] perf, tools: Support handling complete branch stacks as histograms v3

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Message-ID: <20140115154500.GE17358@krava.redhat.com>
Date:	Wed, 15 Jan 2014 16:45:00 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	acme@...radead.org, namhyung@...nel.org, mingo@...nel.org,
	dsahern@...il.com, fweisbec@...il.com, adrian.hunter@...el.com,
	linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 2/6] perf, tools: Support handling complete branch stacks
 as histograms v3

On Wed, Jan 15, 2014 at 04:27:29PM +0100, Andi Kleen wrote:
> > this option is not added in this patch, I tried:
> >   $ perf report --call-graph=fractal,0.5,callee,function,branch
> 
> Of course not, it's in the next patch.
> 
> But I was not putting the cumbersome long command line into this
> example.
> 
> If you really feel strongly about it I guess the two patches could be merged,
> but seems cleaner separated.
> 
> > 
> > but as I already said in reply for patch 3, it's not working
> > please update the doc in Documentation/perf-report.txt with an example
> 
> What kind of example? Full output for a command?
> 
> I don't think any other option has that in the man page. It would be
> unique.
> 
> Having a illustrated `perf tutorial' with examples would probably be a 
> good idea, but I'm not sure the man page is the right place for that.
> 

yea.. example would be too much ;-) but at least all available options
are mentioned in '--call-graph::' section in Documentation/perf-report.txt
and 'branch' is missing

jirka
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