Re: hires timestamps for netif_rx()

From: Andi Kleen (ak@suse.de)
Date: Fri Jan 18 2002 - 09:01:20 EST


> Really, I would suggest that we just kill off get_fast_time() entirely
> and just use do_gettimeofday() everywhere. It's like a 10 minute
> hack.

Unfortunately gettimeofday at least on i386 has a readlock. It would
add a new cache line bouncing bottleneck for every packet.

-Andi
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