linux-kernel - Re: [PATCH 04/18] perf tools: Introduce struct add_entry

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Message-ID: <20131218155040.GI4146@krava.brq.redhat.com>
Date:	Wed, 18 Dec 2013 16:50:40 +0100
From:	Jiri Olsa <jolsa@...hat.com>
To:	Namhyung Kim <namhyung@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Arun Sharma <asharma@...com>,
	Rodrigo Campos <rodrigo@...g.com.ar>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 04/18] perf tools: Introduce struct add_entry_iter

On Wed, Dec 18, 2013 at 02:21:12PM +0900, Namhyung Kim wrote:
> From: Namhyung Kim <namhyung.kim@....com>
> 
> There're some duplicate code when adding hist entries.  They are
> different in that some have branch info or mem info but generally do
> same thing.  So introduce new struct add_entry_iter and add callbacks
> to customize each case in general way.
> 
> The new perf_evsel__add_entry() function will look like:
> 
>   iter->prepare_entry();
>   iter->add_single_entry();
> 
>   while (iter->next_entry())
>     iter->add_next_entry();
> 
>   iter->finish_entry();
> 
> This will help further work like the cumulative callchain patchset.

cool, I was waiting for this one! I have another user
for it, I'll test by rebasing my code ;-)

thanks,
jirka
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