From: Stephen Hemminger <shemminger@vyatta.com>
To: Octavian Purdila <opurdila@ixiacom.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
Benjamin LaHaise <bcrl@lhnet.ca>,
Cosmin Ratiu <cratiu@ixiacom.com>,
netdev@vger.kernel.org
Subject: Re: [RFC] make per interface sysctl entries configurable
Date: Sun, 25 Oct 2009 21:31:02 -0700 [thread overview]
Message-ID: <20091025213102.7368fe70@nehalam> (raw)
In-Reply-To: <200910251954.49700.opurdila@ixiacom.com>
On Sun, 25 Oct 2009 19:54:49 +0200
Octavian Purdila <opurdila@ixiacom.com> wrote:
>
> RFC patches are attached.
>
> Another possible approach: add an interface flag and use it to decide whether
> we want per interface sysctl entries or not.
>
> Benchmarks for creating 1000 interface (with the ndst module previously posted
> on the list, ppc750 @800Mhz machine):
>
> - without the patches:
>
> real 4m 38.27s
> user 0m 0.00s
> sys 2m 18.90s
>
> - with the patches:
>
> real 0m 0.10s
> user 0m 0.00s
> sys 0m 0.05s
>
> Thanks,
> tavi
I would rather optimize the algorithm than give up and make it
not available. It should be possible to do better by just using some
better programming.
--
next prev parent reply other threads:[~2009-10-26 4:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-25 17:54 [RFC] make per interface sysctl entries configurable Octavian Purdila
2009-10-25 18:07 ` Denys Fedoryschenko
2009-10-25 21:37 ` Eric Dumazet
2009-10-25 22:21 ` Octavian Purdila
2009-10-25 22:32 ` Denys Fedoryschenko
2009-10-26 9:01 ` Cosmin Ratiu
2009-10-26 4:31 ` Stephen Hemminger [this message]
2009-10-26 15:24 ` Denys Fedoryschenko
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