netdev - Re: Scalability of interface creation and deletion

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

Message-ID: <874CAEA33BC0278D3E85DFBB@nimrod.local>
Date:	Sun, 08 May 2011 14:14:35 +0100
From:	Alex Bligh <alex@...x.org.uk>
To:	Alex Bligh <alex@...x.org.uk>, paulmck@...ux.vnet.ibm.com
cc:	Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org,
	Alex Bligh <alex@...x.org.uk>
Subject: Re: Scalability of interface creation and deletion



--On 8 May 2011 14:06:07 +0100 Alex Bligh <alex@...x.org.uk> wrote:

> Add to that the fact that there are 2 x synchronize_sched() and one
> rcu_barrier() per interface removal. If I ignore your IRQ idea, that's
> 6 x 3 = 18ms per interface removal at CONFIG_HZ=10, 180ms at
> CONFIG_HZ=100.

Aargh I mean:

6 x 3 = 18ms per interface removal at CONFIG_HZ=1000, 180ms at
CONFIG_HZ=100.


-- 
Alex Bligh
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html