Subj : Re: nethack  was:"To RAID or not to RAID?"
To   : Jasen Betts
From : Kenneth Parrish
Date : Fri Sep 03 2004 08:36 pm

-=> Jasen Betts wrote to Kenneth Parrish <=-

 KP> ... # echo 64 > /proc/sys/kernel/base_timeslice  -- 2.6.9-rc1-mm1
 JB> what dees that do anyway?
it's a hint to the kernel's process scheduler, and with some usages and 
hardware, throughput rises by a few to many percent for longer timeslices. a 
comment in /kernel/sched.c says this scheduler version also adjusts the 
timeslices of concurrent same-priority processes. the author of this patch, 
Nick Piggin, is creditted in the current mainline sched.c for work on 
scheduling domains, and he has been a recent writer on the linux kernel mailing 
list that's available in gated form here. hmm, he also worked, with Jens Axboe 
of SuSE, on the default 2.6 kernel io-scheduler, viz 
/linux/drivers/block/as-iosched.c

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