netdev - Re: [PATCH iproute2] Re: HTB accuracy for high speed

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: <Pine.LNX.4.64.0905191517350.4730@tyr.diku.dk>
Date:	Tue, 19 May 2009 15:18:47 +0200 (CEST)
From:	Jesper Dangaard Brouer <hawk@...u.dk>
To:	Jarek Poplawski <jarkao2@...il.com>
Cc:	Antonio Almeida <vexwek@...il.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	netdev@...r.kernel.org, kaber@...sh.net, davem@...emloft.net,
	devik@....cz, Eric Dumazet <dada1@...mosbay.com>
Subject: Re: [PATCH iproute2] Re: HTB accuracy for high speed


On Mon, 18 May 2009, Jarek Poplawski wrote:

> Since you're so kind... :-) There is a line in net/sched/sch_htb.c:
>
> #define HTB_HYSTERESIS 1        /* whether to use mode hysteresis for speedup */
>
> Could you change 1 to 0, and repeat these tests above after recompiling?

Notice its runtime adjustable via:
  /sys/module/sch_htb/parameters/htb_hysteresis

Since kernel version v2.6.26.


Cheers,
   Jesper Brouer

--
-------------------------------------------------------------------
MSc. Master of Computer Science
Dept. of Computer Science, University of Copenhagen
Author of http://www.adsl-optimizer.dk
-------------------------------------------------------------------
--
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