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Subject: Re: [PATCH] tracing, perf: add more power related events
From: Peter Zijlstra <peterz@infradead.org>
To: Steven Rostedt <rostedt@goodmis.org>
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Date: Wed, 22 Sep 2010 20:43:53 +0200
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On Wed, 2010-09-22 at 14:36 -0400, Steven Rostedt wrote:
> > I still don't see why you need TRACE_EVENT_ABI for that, if its the same
> > name and the format can be extended you get the same results with what
> > we've got. Apps need to read/parse the format thing anyway.
> 
> Just a marker that these trace points are being used by apps.

I really don't see any additional value in that. Its not like we won't
change them if we have to.

> But then again, we present the fields in the data. The tools should use
> a parse library (which a generic one will soon be out too). This way, we
> don't need them at the "end" but the parsing tools could find the fields
> no matter where they are in the record. 

Right. They should use the full format specification.