Re: hires timestamps for netif_rx()

David S. Miller (davem@redhat.com)
Wed, 16 Jan 2002 21:12:51 -0800 (PST)


From: Wilson Yeung <wilson@whack.org>
Date: Wed, 16 Jan 2002 18:45:02 -0800 (PST)

Notice that all the timestamps are the same, which led me to believe that
xtime was being gotten directly.

This is what happens only if your CPU lacks a timestamp counter
(TSC on x86). What kind of CPU are you performing this experiment
on?
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