linux-kernel - Re: [PATCH 10/15] perf ftrace: Add 'show' sub-command

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Message-ID: <20130515212108.GB5814@krava.redhat.com>
Date:	Wed, 15 May 2013 23:21:08 +0200
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>,
	Steven Rostedt <rostedt@...dmis.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	David Ahern <dsahern@...il.com>,
	Stephane Eranian <eranian@...gle.com>
Subject: Re: [PATCH 10/15] perf ftrace: Add 'show' sub-command

On Tue, May 14, 2013 at 07:13:54PM +0900, Namhyung Kim wrote:
> From: Namhyung Kim <namhyung.kim@....com>
> 

SNIP

> +
> +static LIST_HEAD(ftrace_cpu_buffers);
> +
> +static int process_sample_show(struct perf_tool *tool,
> +			       union perf_event * event __maybe_unused,
> +			       struct perf_sample *sample,
> +			       struct perf_evsel *evsel __maybe_unused,
> +			       struct machine *machine __maybe_unused)
> +{
> +	struct perf_ftrace *ftrace;
> +	struct perf_ftrace_report *show;
> +	struct ftrace_report_arg *fra;
> +	struct stat statbuf;
> +	enum kbuffer_long_size long_size;
> +	enum kbuffer_endian endian;
> +	char buf[PATH_MAX];
> +
> +	show = container_of(tool, struct perf_ftrace_report, tool);
> +	ftrace = show->ftrace;

this seems to be exactly same routine as process_sample_report
with exception of above 2 lines.. maybe the rest of it could be
common function?

jirka
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