From: David Miller <davem@davemloft.net>
To: eric.dumazet@gmail.com
Cc: or.gerlitz@gmail.com, joseph.gasparakis@intel.com,
hkchu@google.com, ogerlitz@mellanox.com, edumazet@google.com,
ast@plumgrid.com, pshelar@nicira.com, netdev@vger.kernel.org
Subject: Re: vxlan/veth performance issues on net.git + latest kernels
Date: Wed, 04 Dec 2013 01:39:33 -0500 (EST) [thread overview]
Message-ID: <20131204.013933.873780415547689253.davem@davemloft.net> (raw)
In-Reply-To: <1386115199.30495.44.camel@edumazet-glaptop2.roam.corp.google.com>
From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Tue, 03 Dec 2013 15:59:59 -0800
> On Wed, 2013-12-04 at 01:10 +0200, Or Gerlitz wrote:
>
>> Samples: 883K of event 'skb:kfree_skb', Event count (approx.): 883406
>> + 97.13% swapper [kernel.kallsyms] [k] net_tx_action
>> + 1.53% iperf [kernel.kallsyms] [k] net_tx_action
>> + 1.03% perf [kernel.kallsyms] [k] net_tx_action
>> + 0.27% ksoftirqd/7 [kernel.kallsyms] [k] net_tx_action
>> + 0.03% kworker/7:1 [kernel.kallsyms] [k] net_tx_action
>> + 0.00% rpcbind [kernel.kallsyms] [k] net_tx_action
>> + 0.00% swapper [kernel.kallsyms] [k] kfree_skb
>> + 0.00% sleep [kernel.kallsyms] [k] net_tx_action
>> + 0.00% hald-addon-acpi [kernel.kallsyms] [k] kfree_skb
>> + 0.00% iperf [kernel.kallsyms] [k] kfree_skb
>> + 0.00% perf [kernel.kallsyms] [k] kfree_skb
>>
>
> Right, I actually have a patch for that, but was waiting for net-next
> being re-opened :
>
> commit 9a731d750dd8bf0b8c20fb1ca53c42317fb4dd37
> Author: Eric Dumazet <edumazet@google.com>
> Date: Mon Nov 25 13:09:20 2013 -0800
>
> net-fixes: introduce dev_consume_skb_any()
I definitely prefer the control block approach to this.
next prev parent reply other threads:[~2013-12-04 6:39 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-03 15:05 vxlan/veth performance issues on net.git + latest kernels Or Gerlitz
2013-12-03 15:30 ` Eric Dumazet
2013-12-03 19:55 ` Or Gerlitz
2013-12-03 21:11 ` Joseph Gasparakis
2013-12-03 21:09 ` Or Gerlitz
2013-12-03 21:24 ` Eric Dumazet
2013-12-03 21:36 ` Or Gerlitz
2013-12-03 21:50 ` David Miller
2013-12-03 21:55 ` Eric Dumazet
2013-12-03 22:15 ` Or Gerlitz
2013-12-03 22:22 ` Or Gerlitz
2013-12-03 22:30 ` Hannes Frederic Sowa
2013-12-03 22:35 ` Or Gerlitz
2013-12-03 22:39 ` Hannes Frederic Sowa
2013-12-03 23:10 ` Or Gerlitz
2013-12-03 23:30 ` Or Gerlitz
2013-12-03 23:49 ` Hannes Frederic Sowa
2013-12-03 23:59 ` Eric Dumazet
2013-12-04 0:26 ` Alexei Starovoitov
2013-12-04 0:36 ` Eric Dumazet
2013-12-04 0:55 ` Alexei Starovoitov
2013-12-04 1:23 ` Eric Dumazet
2013-12-04 1:59 ` Alexei Starovoitov
2013-12-06 9:06 ` Or Gerlitz
2013-12-06 13:36 ` Eric Dumazet
2013-12-07 21:20 ` Or Gerlitz
2013-12-08 12:09 ` Or Gerlitz
2013-12-04 6:39 ` David Miller [this message]
2013-12-04 17:40 ` Eric Dumazet
2013-12-05 12:45 ` [PATCH net-next] net: introduce dev_consume_skb_any() Eric Dumazet
2013-12-05 14:13 ` Hannes Frederic Sowa
2013-12-05 14:45 ` Eric Dumazet
2013-12-05 15:05 ` Eric Dumazet
2013-12-05 15:44 ` Hannes Frederic Sowa
2013-12-05 16:38 ` Eric Dumazet
2013-12-05 16:54 ` Hannes Frederic Sowa
2013-12-06 20:24 ` David Miller
2013-12-03 23:13 ` vxlan/veth performance issues on net.git + latest kernels Joseph Gasparakis
2013-12-03 23:09 ` Or Gerlitz
2013-12-04 0:35 ` Joseph Gasparakis
2013-12-04 0:34 ` Alexei Starovoitov
2013-12-04 1:29 ` Joseph Gasparakis
2013-12-04 1:18 ` Eric Dumazet
2013-12-04 0:44 ` Joseph Gasparakis
2013-12-04 8:35 ` Or Gerlitz
2013-12-04 9:24 ` Joseph Gasparakis
2013-12-04 9:41 ` Or Gerlitz
2013-12-04 15:20 ` Or Gerlitz
[not found] ` <52A197DF.5010806@mellanox.com>
2013-12-06 9:30 ` Or Gerlitz
2013-12-08 12:43 ` Mike Rapoport
2013-12-08 13:07 ` Or Gerlitz
2013-12-08 14:30 ` Mike Rapoport
2013-12-08 20:50 ` Eric Dumazet
2013-12-08 21:36 ` Eric Dumazet
2013-12-06 10:30 ` Joseph Gasparakis
2013-12-07 21:27 ` Or Gerlitz
2013-12-08 18:08 ` Joseph Gasparakis
2013-12-08 20:12 ` Or Gerlitz
2013-12-08 15:21 ` Or Gerlitz
2013-12-03 17:12 ` Eric Dumazet
2013-12-03 19:50 ` Or Gerlitz
2013-12-03 20:19 ` John Fastabend
2013-12-03 21:12 ` Eric Dumazet
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