linux-kernel - Re: [PATCH 01/21] perf tools: Introduce struct hist_entry

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Date:	Thu, 23 Jan 2014 15:56:54 +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>,
	Ingo Molnar <mingo@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Namhyung Kim <namhyung.kim@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Arun Sharma <asharma@...com>,
	Rodrigo Campos <rodrigo@...g.com.ar>,
	Andi Kleen <andi@...stfloor.org>,
	David Ahern <dsahern@...il.com>,
	Stephane Eranian <eranian@...gle.com>,
	Frederic Weisbecker <fweisbec@...il.com>
Subject: Re: [PATCH 01/21] perf tools: Introduce struct hist_entry_iter

On Thu, Jan 23, 2014 at 09:13:45AM +0900, Namhyung Kim wrote:
> 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 hist_entry_iter and add callbacks
> to customize each case in general way.
> 

SNIP

>  
> -	if (sort__mode == SORT_MODE__BRANCH) {
> -		ret = report__add_branch_hist_entry(tool, &al, sample, evsel);
> -		if (ret < 0)
> -			pr_debug("problem adding lbr entry, skipping event\n");
> -	} else if (rep->mem_mode == 1) {
> -		ret = report__add_mem_hist_entry(tool, &al, sample, evsel, event);
> -		if (ret < 0)
> -			pr_debug("problem adding mem entry, skipping event\n");
> -	} else {
> -		if (al.map != NULL)
> -			al.map->dso->hit = 1;
> -
> -		ret = report__add_hist_entry(tool, evsel, &al, sample);
> -		if (ret < 0)
> -			pr_debug("problem incrementing symbol period, skipping event\n");
> -	}
> +	if (sort__mode == SORT_MODE__BRANCH)
> +		iter.ops = &hist_iter_branch;
> +	else if (rep->mem_mode == 1)

nit.. mem_mode is bool

jirka
> +
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