Andi Kleen wrote:
James Chapman <[EMAIL PROTECTED]> writes:

On some platforms the precise timers (like ktime_get()) can be slow,
but often they are fast.  It might make sense to use a shorter
constant time wait on those with fast timers at least. Right now this
cannot be known by portable code, but there was a proposal some time
ago to export some global estimate to tell how fast
ktime_get().et.al. are. That could be reviewed.

Interesting. Is ktime_get() fast enough on P4 systems? I'll be using those to test with.

--
James Chapman
Katalix Systems Ltd
http://www.katalix.com
Catalysts for your Embedded Linux software development

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