linux-kernel - Re: [PATCH 11/19] perf ftrace: Add 'report' sub-command

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Message-ID: <20130710144539.GE5931@krava.brq.redhat.com>
Date:	Wed, 10 Jul 2013 16:45:39 +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 11/19] perf ftrace: Add 'report' sub-command

On Wed, Jun 26, 2013 at 04:14:14PM +0900, Namhyung Kim wrote:

SNIP

>  
> +static int
> +__cmd_ftrace_report(struct perf_ftrace *ftrace, int argc, const char **argv)
> +{
> +	int ret = -1;
> +	const char * const report_usage[] = {
> +		"perf ftrace report [<options>]",
> +		NULL
> +	};
> +	const struct option report_options[] = {
> +	OPT_STRING('i', "input", &ftrace->dirname, "dirname",
> +		   "input directory name to use (default: perf.data)"),
> +	OPT_INCR('v', "verbose", &verbose,
> +		 "be more verbose"),
> +	OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
> +		    "dump raw trace in ASCII"),

not sure dump_trace is useful here, it's just the first cpu-x samples
and then following 2 lines repeated MANY times:

 ... thread: ls:30064
 ...... dso: [kernel.kallsyms]

I guess you need this to verify first SAMPLEs?

jirka
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