At 19:43 -0800 5/11/07, Dan Mick wrote:
>dtrace is probably pretty good for this, but you do need to know or infer
>something about the driver.

Why wouldn't you just do this by setting pid provider probes on user 
space side of read and write?

S+E
-- 
Quinn "The Eskimo!"                    <http://www.apple.com/developer/>
Apple Developer Relations, Developer Technical Support, Core OS/Hardware
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