Re: gypsy, and not only

Linux Advanced Routing and Traffic Control

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On Sat, 2006-01-28 at 09:57 +0200, brick@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
wrote:
> i ve seen one of your replies here and i saw that you receomend 2 
> modifications in the kernel files in order to improve htb.
> first in pkt_sched.h, changing PSCHED_JIFFIES to PSCHED_CPU.
> and then, sch_htb.c, changing HYSTERESIS from 1 to 0.
> is it that simple?
> i mean i just change these here variables and i get better results?
> i ve done a search and found the first file in 3 locations. where exactly 
> do i do these modifications?

http://edseek.com/~jasonb/articles/traffic_shaping/buildkernel.html#sourceopts answers this.

Kernels newer than 2.6.8 allow you to change the clock source without
editing any source files. Look under 'Networking ---> QoS and/or fair
queueing  ---> Packet scheduler clock source (CPU cycle counter)'. 

Keep in mind that if you use any kind of CPU frequency scaling, do _not_
use PSCHED_CPU, as variable clock speeds are not taken into account.

HTH,

-- 
Adam James <ad@xxxxxxxxxxxxxxxx> 

PROOF OF GOD'S EXISTENCE #87:
ARGUMENT FROM BIBLICAL HISTORY
(1) Many modern historians think that there probably was somebody named
Jesus, maybe.
(2) Therefore, God exists.


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