netdev - Re: [PATCH 0/2] netem: trace enhancement

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 for Android: free password hash cracker in your pocket

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

Message-ID: <47559763.9050408@candelatech.com>
Date:	Tue, 04 Dec 2007 10:07:31 -0800
From:	Ben Greear <greearb@...delatech.com>
To:	Ariane Keller <ariane.keller@....ee.ethz.ch>
CC:	Patrick McHardy <kaber@...sh.net>,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	netdev@...r.kernel.org, herbert@...dor.apana.org.au,
	Rainer Baumann <baumann@....ee.ethz.ch>
Subject: Re: [PATCH 0/2] netem: trace enhancement

Ariane Keller wrote:
> I thought about that as well, but in my opinion this does not help much.
> It's the same as before: in average every 10ms a new buffer needs to 
> be filled.
But, you can fill 50 or 100 at a time, so if user-space is delayed for a 
few ms, the
kernel still has plenty of buffers to work with until user-space gets 
another chance.
I'm not worried about average thoughput of user-space to kernel, just random
short-term starvation.

Thanks,
Ben

-- 
Ben Greear <greearb@...delatech.com> 
Candela Technologies Inc  http://www.candelatech.com


--
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