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Message-ID: <1305865685.3156.46.camel@edumazet-laptop>
Date: Fri, 20 May 2011 06:28:05 +0200
From: Eric Dumazet <eric.dumazet@...il.com>
To: Ben Greear <greearb@...delatech.com>
Cc: David Miller <davem@...emloft.net>,
Patrick McHardy <kaber@...sh.net>,
netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next-2.6] macvlan: remove one synchronize_rcu() call
Le jeudi 19 mai 2011 à 17:18 -0700, Ben Greear a écrit :
> I applied this to today's wireless-testing kernel. There is a consistent
> speedup in deleting mac-vlans! I wouldn't read much into changes in
> creating macvlans or adding IPs..those numbers just jump around a bit
> from run to run.
>
> Before the patch:
> Deleted 500 macvlan in 25.424282 seconds. (0.050848564 per interface)
>
>
> After the patch:
>
> Deleted 500 macvlan in 21.831413 seconds. (0.043662826 per interface)
>
Thanks for testing !
My ultimate goal would be to reduce vlan/macvlan delete latency from 50
ms to less than 5 ms. Step by step...
(But this will wait after this merge window, since next changes are a
bit more complex)
Stay tuned ;)
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