diff --git a/network/clockspeed/clockspeed-adjust.sh b/network/clockspeed/clockspeed-adjust.sh new file mode 100644 index 000000000..d4d164a9d --- /dev/null +++ b/network/clockspeed/clockspeed-adjust.sh @@ -0,0 +1,40 @@ +#!/bin/sh +# --- SDE-COPYRIGHT-NOTE-BEGIN --- +# This copyright note is auto-generated by ./scripts/Create-CopyPatch. +# +# Filename: package/.../clockspeed/clockspeed-adjust.sh +# Copyright (C) 2008 The OpenSDE Project +# +# More information can be found in the files COPYING and README. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. A copy of the +# GNU General Public License can be found in the file COPYING. +# --- SDE-COPYRIGHT-NOTE-END --- + +# clock_adjust.sh +# periodically get timing mark for clockspeed service +# taken from http://www.thedjbway.org/clocksd/index.html +# +# initialize WAIT, WAIT_MAX: +WAIT=541 +WAIT_MAX=2617923 + +# loop indefinitely +while : +do + echo "Waiting ${WAIT} seconds until next adjustment..." + sleep ${WAIT} + # obtain timing mark for calibrating clockspeed adjust: + clockctl mark + # log current "attoseconds": + clockctl atto + echo "===" + # increment $WAIT: + WAIT=`expr ${WAIT} + ${WAIT} + ${WAIT}` + if [ ${WAIT} -gt ${WAIT_MAX} ] ; then + WAIT=${WAIT_MAX} + fi +done +# that's all, folks!