Re: [LAU] debian realtime kernel config 2.6.25.8.rt7

things to do additionally
------------------------------------------------------------------------------

enable realtime clock
----------------------

for the realtime clock to work, you've got to load these modules:
  modprobe rtc_core
  modprobe rtc_cmos

you should then have a device
  /dev/rtc0

then change the max-user-frequency of rtc (default is only 64):
  echo 2048 > /sys/class/rtc/rtc0/max_user_freq

test:
  cat /sys/class/rtc/rtc0/max_user_freq

and maybe of hpet as well (?)
  echo 2048 > /proc/sys/dev/hpet/max-user-freq
(Is hpet emulated by rtc ?)

------------------------------------------------------------------------------

set realtime priorities
-----------------------

install scheduling tools (/usr/bin/chrt)
  apt-get install schedutils
or
  apt-get install schedtool

install,setup and run the rtirq script by Rui Nuno Capela
download:
  wget http://www.rncbc.org/jack/rtirq-20071012.tar.gz
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Received on Mon Jul 14 08:15:12 2008