linux-kernel - Re: [PATCH 0/3] tools lib traceevent: Options for plugins

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Message-ID: <87ppk8r32t.fsf@sejong.aot.lge.com>
Date:	Wed, 23 Apr 2014 15:07:38 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 0/3] tools lib traceevent: Options for plugins

Hi Steven,

On Tue, 22 Apr 2014 15:48:24 -0400, Steven Rostedt wrote:
> trace-cmd has a way to set options for plugins, via the command
> line parameter. For example, you can add or remove the parent
> from being printed in function tracing by adding:
>
>   -O parent=1
>   -O parent=0
>
> This is passed later to the plugin in. But the plugin itself requires
> registering to the application what options it supplies.
>
> This is a three patch series. The first is to set a flag in pevent
> that would prevent plugins from being loaded. This can be supplied
> by the command line as well to produce the old "raw" events.
>
> The second patch adds the infrastructure to let plugins have options.
>
> The third patch adds the options "parent" and "indent" to the
> function plugin. The indent option lets the user print functions
> with or without indenting by their parents.
>
> All that needs to be done now is to add the options to the perf
> command line. Namhyung? ;-)

Well, I'll think about it, maybe next week (or later ;-p)?

Thanks,
Namhyung
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