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From: Eric Dumazet <eric.dumazet@gmail.com>
To: Simon Horman <horms@verge.net.au>
Cc: David Miller <davem@davemloft.net>,
	heder@google.com, netdev@vger.kernel.org,
	lvs-users@linuxvirtualserver.org, malcolm@loadbalancer.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] IPVS: logging sizeof(struct ip_vs_conn) on startup
Date: Tue, 28 Jul 2009 07:38:53 +0200	[thread overview]
Message-ID: <4A6E8EED.8050600@gmail.com> (raw)
In-Reply-To: <20090728001926.GA20230@verge.net.au>

Simon Horman a écrit :
> 
> Surprisingly its a very common question amongst users,
> because they want to know how much memory they need.
> It is of course all a bit silly, because the amount of
> memory used by the connection table is usually very small,
> but people still ask.
> 

If SLUB is used 

$ cat /sys/kernel/slab/ip_vs_conn/object_size

If SLAB is used, take fourth column of :

$ grep ip_vs_conn /proc/slabinfo

BTW these take into account L1 cache size alignment

      reply	other threads:[~2009-07-28  5:39 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-27  9:08 [PATCH] IPVS: logging sizeof(struct ip_vs_conn) on startup Hannes Eder
2009-07-27  9:22 ` Simon Horman
2009-07-27  9:25 ` Eric Dumazet
2009-07-27 10:34   ` Hannes Eder
2009-07-27 13:13     ` [PATCH v2] " Hannes Eder
2009-07-27 18:48       ` David Miller
2009-07-28  0:19         ` Simon Horman
2009-07-28  5:38           ` Eric Dumazet [this message]

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