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SubjectRe: TRACE_EVENT_ABI ?
On Mon, 21 Sep 2009 09:26:41 -0400 (EDT)
Steven Rostedt <rostedt@goodmis.org> wrote:

>
> [ Resending due to wrong SMTP server ]
>
>
> On Mon, 21 Sep 2009, Arjan van de Ven wrote:
>
> > Hi,
> >
> > Ingo suggested to make a TRACE_EVENT_ABI, which is equivalent in
> > implementation to TRACE_EVENT, except that it signals a stable
> > interface.
> >
> > In trying to implement this I'm running into a wall where
> > TRACE_EVENT keeps being defined in many different ways all over the
> > place, making this a really nasty hack to make it just an alias.
> >
> > Do you have any clever ideas on how to make this an alias without
> > fouling up the whole tracing system?
> >
>
> I don't know what you've done so far, but can't you simply in
> tracepoint.h define:
>
> #define TRACE_EVENT_API(a,b,c,d,e) TRACE_EVENT(a,b,c,d,e)

unfortunately, due to the preprocessor trickery around TRACE_EVENT this
completely barfs.


--
Arjan van de Ven Intel Open Source Technology Centre
For development, discussion and tips for power savings,
visit http://www.lesswatts.org


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