Re: collecting static data related to tracing

From: Johannes Berg
Date: Tue May 18 2010 - 10:45:20 EST

On Tue, 2010-05-18 at 10:41 -0400, Steven Rostedt wrote:

> The latest version of trace-cmd has an "options" section. This allows
> you to add options to the file.
> We could make a plugin that also can be used by trace-cmd record, that
> allows you to add options. The options are written such that if a
> trace-cmd does not know how to deal with them, they will be ignored.
> Hmm, but the options require a unique ID. Well we could register IDs
> with plugins, or add a plugin id, which uses the name of the plugin as
> an identifier too.
> But this would allow you to add the details you want about the system
> and then have the reader be able to print it out.
> How's that sound?

Sounds good, although it does require that I tell people who want to
record to also install the recording plugin, but that should be
manageable :) I can just dig out the data from the regular debugfs once
I add files containing it.


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