From: Stephen Hemminger <shemminger@linux-foundation.org>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: David Miller <davem@davemloft.net>, netdev@vger.kernel.org
Subject: Re: about : [NET]: Replace CONFIG_NET_DEBUG with sysctl.
Date: Fri, 09 Mar 2007 08:22:54 -0800 [thread overview]
Message-ID: <45F189DE.7030206@linux-foundation.org> (raw)
In-Reply-To: <45F0FFE7.1080304@cosmosbay.com>
Eric Dumazet wrote:
> Hello David and Stephen
>
> I see git commit 8e2101a9faab43dcf307d46784a1ede7997fe729
> and its potential problems :
>
> Here on my x86_64 machine :
>
> ffffffff806e7520 d rtnl_mutex
> ffffffff806e7538 D net_msg_cost
> ffffffff806e753c D net_msg_burst
> ffffffff806e7540 D net_msg_warn
> ffffffff806e7560 d lweventlist_lock
>
It probably is worth making a hot/cold map somehow. Ideally some
automated version
of something like oprofile uses (memprofile?)
> So net_msg_{cost|burst|warn} are on two 'heavy' cachelines.
>
> I gently ask that any new sysctl is '__read_mostly' tagged.
Why not all the old one's as well?
next prev parent reply other threads:[~2007-03-09 16:23 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-08 20:52 [PATCH 0/8] net-2.6.22 spring cleaning Stephen Hemminger
2007-03-08 20:52 ` [PATCH 1/8] udp: ipv4 whitespace cleanup Stephen Hemminger
2007-03-09 4:42 ` David Miller
2007-03-09 6:34 ` about : [NET]: Replace CONFIG_NET_DEBUG with sysctl Eric Dumazet
2007-03-09 6:37 ` David Miller
2007-03-09 6:59 ` Eric Dumazet
2007-03-09 7:14 ` David Miller
2007-03-09 7:51 ` Eric Dumazet
2007-03-09 7:55 ` David Miller
2007-03-09 7:58 ` Eric Dumazet
2007-03-09 16:15 ` Stephen Hemminger
2007-03-09 16:22 ` Stephen Hemminger [this message]
2007-03-09 18:06 ` Stephen Hemminger
2007-03-08 20:52 ` [PATCH 2/8] udp: ipv6 style cleanup Stephen Hemminger
2007-03-09 4:42 ` David Miller
2007-03-08 20:52 ` [PATCH 3/8] network core: whitespace cleanup Stephen Hemminger
2007-03-09 4:43 ` David Miller
2007-03-08 20:52 ` [PATCH 4/8] wireless: use ARRAY_SIZE() Stephen Hemminger
2007-03-09 4:43 ` David Miller
2007-03-08 20:52 ` [PATCH 5/8] ipv4 cleanup Stephen Hemminger
2007-03-09 4:44 ` David Miller
2007-03-08 20:52 ` [PATCH 6/8] tcp: whitespace cleanup Stephen Hemminger
2007-03-09 4:45 ` David Miller
2007-03-08 20:52 ` [PATCH 7/8] net: deinline some functions Stephen Hemminger
2007-03-09 4:46 ` David Miller
2007-03-08 20:52 ` [PATCH 8/8] udp: deinline Stephen Hemminger
2007-03-09 4:46 ` David Miller
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