netdev - Re: [PATCH net-next] net: add net cookie for net device trace events

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <aQHEn0Hrazq9aPWA@shredder>
Date: Wed, 29 Oct 2025 09:39:11 +0200
From: Ido Schimmel <idosch@...sch.org>
To: Tonghao Zhang <tonghao@...aicloud.com>
Cc: netdev@...r.kernel.org, Eran Ben Elisha <eranbe@...lanox.com>,
	Jiri Pirko <jiri@...lanox.com>,
	Cong Wang <xiyou.wangcong@...il.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>, Simon Horman <horms@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next] net: add net cookie for net device trace events

On Tue, Oct 28, 2025 at 12:32:44PM +0800, Tonghao Zhang wrote:
> In a multi-network card or container environment, this is needed in order
> to differentiate between trace events relating to net devices that exist
> in different network namespaces and share the same name.
> 
> for xmit_timeout trace events:
> [002] ..s1.  1838.311662: net_dev_xmit_timeout: dev=eth0 driver=virtio_net queue=10 net_cookie=3
> [007] ..s1.  1839.335650: net_dev_xmit_timeout: dev=eth0 driver=virtio_net queue=10 net_cookie=4100
> [007] ..s1.  1844.455659: net_dev_xmit_timeout: dev=eth0 driver=virtio_net queue=10 net_cookie=3
> [002] ..s1.  1850.087647: net_dev_xmit_timeout: dev=eth0 driver=virtio_net queue=10 net_cookie=3
> 
> Cc: Eran Ben Elisha <eranbe@...lanox.com>
> Cc: Jiri Pirko <jiri@...lanox.com>
> Cc: Cong Wang <xiyou.wangcong@...il.com>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: Eric Dumazet <edumazet@...gle.com>
> Cc: Simon Horman <horms@...nel.org>
> Cc: Paolo Abeni <pabeni@...hat.com>
> Suggested-by: Ido Schimmel <idosch@...sch.org>
> Signed-off-by: Tonghao Zhang <tonghao@...aicloud.com>

Reviewed-by: Ido Schimmel <idosch@...dia.com>