eric.dumazet at gmail
Jul 27, 2009, 2:25 AM
Post #3 of 4
(864 views)
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Re: [lvs-users] [PATCH] IPVS: logging sizeof(struct ip_vs_conn) on startup
[In reply to]
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Hannes Eder a écrit :
> No more guessing, how much memory is used by IPVS for a connection.
>
> Signed-off-by: Hannes Eder <heder [at] google>
> ---
> net/netfilter/ipvs/ip_vs_core.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
> index b021464..5b0997c 100644
> --- a/net/netfilter/ipvs/ip_vs_core.c
> +++ b/net/netfilter/ipvs/ip_vs_core.c
> @@ -1475,7 +1475,8 @@ static int __init ip_vs_init(void)
> goto cleanup_conn;
> }
>
> - IP_VS_INFO("ipvs loaded.\n");
> + IP_VS_INFO("ipvs loaded (using %Zd bytes/connection).\n",
> + sizeof(struct ip_vs_conn));
> return ret;
>
> cleanup_conn:
Well, ip_vs_conn_cache uses SLAB_HWCACHE_ALIGN, so this should be rounded up
to L1 cache size. Or add "at least" like in line 1080
of net/netfilter/ipvs/ip_vs_conn.c :
IP_VS_DBG(0, "Each connection entry needs %Zd bytes at least\n",
sizeof(struct ip_vs_conn));
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