timer question

[Chuck Lever]

hi all-

i'm looking for a way to do microsecond resolution timing in the RPC
client.  i need a timer or timestamp function that is fairly cheap, that i
can call on any hardware platform, and that i can invoke from inside a
bottom half.

any suggestions?

	- Chuck Lever
--
corporate:	<cel at netapp dot com>
personal:	<chucklever at bigfoot dot com>

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