linux-kernel - Re: [RFC][PATCH 5/9] perf trace: Add Perl scripting support

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Date:	Mon, 12 Oct 2009 08:03:08 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Frederic Weisbecker <fweisbec@...il.com>
Cc:	Tom Zanussi <tzanussi@...il.com>,
	Christoph Hellwig <hch@...radead.org>,
	linux-kernel@...r.kernel.org, rostedt@...dmis.org,
	lizf@...fujitsu.com
Subject: Re: [RFC][PATCH 5/9] perf trace: Add Perl scripting support


* Frederic Weisbecker <fweisbec@...il.com> wrote:

> > ad-hoc extensions using separate perf-* scripts are fine of course 
> > and i use that myself. But once a facility is part of core perf it 
> > wants to move into the binary. Especially something as central as 
> > scripting support.
> 
> But I think we may want to have some integrated scripts that can play 
> the role of subcommands when it comes to process particular trace 
> events. Because this is just about reading binary traces and put them 
> in a shape that makes sense wrt to the targeted events.

Maybe - and even in those cases we can still embedd those scripts in the 
binary itself (i.e. we can add a mechanism to embedd it as a string and 
execute it from there). It's not like people are going to edit an 
installed script in a bin/ or libexec/ path.

Same goes for any .xml file should we grow a GUI - etc.

	Ingo
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