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From: Zeljko Vrba (zvrba_at_[hidden])
Date: 2008-06-13 03:46:53

On Fri, Jun 13, 2008 at 09:20:43AM +0200, Mojmir Svoboda wrote:
> but i never meant to not provide what you call runtime filtering. i
> perhaps said something badly. i thought you wanted add another filter at
> runtime.
Did anybody of you look at how Solaris TNF framework or DTrace framework
are implemented? A lot can be accomplished by tricks at link stage, and
DTrace with UDT provider offers even more (selective filtering and data
aggregation at run-time) than I could ask of any logging library. And
that at a negligible cost for disabled log points.

[No, I'm not proposing to reimplement all of DTrace. But what you're
describing already exists, so it might be worth looking into how these
things are implemented. Or, if nothing else, write a logging back-end
for DTrace and/or TNF.]

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