Re: No 100 HZ timer !

From: Jamie Lokier (lk@tantalophile.demon.co.uk)
Date: Thu Apr 12 2001 - 03:45:13 EST


watermodem wrote:
> As somebody who is now debating how to measure latencies in a
> giga-bit ethernet environment with several components doing
> L3 switching in much less than 10 micro-seconds ... (hardware)
> I agree that some method is need to achieve higher resolutions.
> (Sigh... I will likely need to buy something big and expensive)
> {this is for a system to make use of L. Yarrow's little protocol}

Use Alteon/Netgear cards, everyone else seems to be :-) We get
measurements on the order of 100ns, if we are just measuring network
latencies. (Data is not transferred over the PCI bus).

-- Jamie
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