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SubjectRe: TRACE_EVENT_ABI ?
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On Mon, 2009-09-21 at 09:36 +0200, 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)

And every time TRACE_EVENT_API is used, it will simply do whatever
TRACE_EVENT is at that time?

I've done similar tricks with other code.

-- Steve





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