On Fri, May 17, 2002 at 12:25:19PM -0700, David S. Miller wrote:
> From: Andi Kleen <ak@muc.de>
> Date: 17 May 2002 21:25:16 +0200
>
> "David S. Miller" <davem@redhat.com> writes:
>
> > 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.
>
> That is true. But right now we are trying to analyze the effects of
> his patch all by itself.
Yes, that is a another problem needs addressing.
BTW, do_gettimeofday() also shows up moderately significant in profile
of 8-CPU webserver benchmark. I will address xtime_lock separately.
Thanks
-- Dipankar Sarma <dipankar@in.ibm.com> http://lse.sourceforge.net Linux Technology Center, IBM Software Lab, Bangalore, India. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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