Messages in this thread | | | Date | Wed, 16 Jan 2002 17:03:58 -0800 (PST) | From | Wilson Yeung <> | Subject | Re: hires timestamps for netif_rx() |
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On Wed, 16 Jan 2002, David S. Miller wrote: > I'd love to have a run-time tuneable kernel parameter that lets me use > do_gettimeofday() instead of get_fast_time for received packet > timestamping. Does this seem reasonable? > > Can you demonstrate a difference in accurace between these two > routines on any architecture :-)
The discreprency is that get_fast_time() returns the current value of xtime, while do_gettimeofday() may actually calculate the time and consider both xtime and the jiffies.
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