linux-kernel - Re: [PATCHv3 4/5] perf tools: Add --debug optionto set debug variable

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Date:	Fri, 18 Jul 2014 14:04:51 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Jiri Olsa <jolsa@...hat.com>
Cc:	Jiri Olsa <jolsa@...nel.org>, linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Corey Ashford <cjashfor@...ux.vnet.ibm.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: Re: [PATCHv3 4/5] perf tools: Add --debug optionto set debug variable

Hi Jiri,

On Thu, 17 Jul 2014 12:55:00 +0200, Jiri Olsa wrote:
> yep, it's better, v3 attached

[SNIP]
> --- a/tools/perf/Documentation/perf.txt
> +++ b/tools/perf/Documentation/perf.txt
> @@ -8,7 +8,15 @@ perf - Performance analysis tools for Linux
>  SYNOPSIS
>  --------
>  [verse]
> -'perf' [--version] [--help] COMMAND [ARGS]
> +'perf' [--version] [--help] [OPTIONS] COMMAND [ARGS]
> +
> +OPTIONS
> +-------
> +--debug::
> +	Setup debug variable (just verbose for now) in value
> +	range (0, 10). Use like:
> +	  --debug verbose   # sets verbose = 1
> +	  --debug verbose=2 # sets verbose = 2
>  
>  DESCRIPTION
>  -----------
> diff --git a/tools/perf/perf.c b/tools/perf/perf.c
> index 95c58fc15284..eed3fb2a3af0 100644
> --- a/tools/perf/perf.c
> +++ b/tools/perf/perf.c
> @@ -13,11 +13,12 @@
>  #include "util/quote.h"
>  #include "util/run-command.h"
>  #include "util/parse-events.h"
> +#include "util/debug.h"
>  #include <api/fs/debugfs.h>
>  #include <pthread.h>
>  
>  const char perf_usage_string[] =
> -	"perf [--version] [--help] COMMAND [ARGS]";
> +	"perf [--version] [--debug variable[=VALUE]] [--help] COMMAND [ARGS]";

You missed to update here.. ;-)

Thanks,
Namhyung
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