From: Andi Kleen <ak@muc.de>
To: "David S. Miller" <davem@redhat.com>
Cc: linux-kernel@vger.kernel.org, dipankar@in.ibm.com
Subject: Re: 16-CPU #s for lockfree rtcache (rt_rcu)
Date: 17 May 2002 21:25:16 +0200 [thread overview]
Message-ID: <m37km2vaoz.fsf@averell.firstfloor.org> (raw)
In-Reply-To: <20020517192116.G12631@in.ibm.com> <20020517.064921.80183164.davem@redhat.com> <20020517214433.A15556@in.ibm.com> <20020517.094624.68229633.davem@redhat.com>
"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
next prev parent reply other threads:[~2002-05-17 19:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-17 13:51 16-CPU #s for lockfree rtcache (rt_rcu) Dipankar Sarma
2002-05-17 13:49 ` David S. Miller
2002-05-17 16:14 ` Dipankar Sarma
2002-05-17 16:46 ` David S. Miller
2002-05-17 19:25 ` Andi Kleen [this message]
2002-05-17 19:25 ` David S. Miller
2002-05-17 20:33 ` Dipankar Sarma
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