Re: 16-CPU #s for lockfree rtcache (rt_rcu)

Andi Kleen (ak@muc.de)
17 May 2002 21:25:16 +0200


"David S. Miller" <davem@redhat.com> writes:

> From: Dipankar Sarma <dipankar@in.ibm.com>
> Date: Fri, 17 May 2002 21:44:33 +0530
>
> I will rerun the tests tomorrow or monday to get both sets of
> numbers for 8-cpu SMP.
>
> Provide the data, it will be interesting.

I bet the numbers would be much better if the x86
do_gettimeofday() was converted to a lockless version first ...
Currently it is bouncing around its readlock for every incoming packet.

-Andi

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