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Viewing changes to utopic/etc/init.d/cpufreqd

  • Committer: Dimitri John Ledkov
  • Date: 2014-11-19 12:58:41 UTC
  • Revision ID: dimitri.j.ledkov@intel.com-20141119125841-98dr37roy8dvcv3b
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utopic/etc/init.d/cpufreqd
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#! /bin/sh
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### BEGIN INIT INFO
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# Provides: cpufreqd
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# Required-Start: $local_fs $syslog $remote_fs
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# Required-Stop: $local_fs $syslog $remote_fs
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# Should-Start:
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# Should-Stop:
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: start and stop cpufreqd
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# Description: fully configurable daemon for dynamic frequency
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#        and voltage scaling
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### END INIT INFO
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# 
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# Startup script for the cpufreqd daemon. It's been made using the
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# skeleton example file to build /etc/init.d/ scripts.
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# This file should be used to construct scripts for /etc/init.d.
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#
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# Written by Miquel van Smoorenburg <miquels@cistron.nl>.
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# Modified for Debian GNU/Linux
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# by Ian Murdock <imurdock@gnu.ai.mit.edu>.
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#
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# Version: @(#)skeleton  1.9.1  08-Apr-2002  miquels@cistron.nl
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#
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PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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DAEMON=/usr/sbin/cpufreqd
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CPUFREQD_CONFFILE=/etc/cpufreqd.conf
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NAME=cpufreqd
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DESC="CPU Frequency daemon"
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# use lsb-base
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. /lib/lsb/init-functions
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# load defaults file
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test -r /etc/default/cpufreqd && . /etc/default/cpufreqd
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# abort if no executable exists
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test -x $DAEMON || exit 0
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#abort if no conffile exists
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test -r $CPUFREQD_CONFFILE || exit 0
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load_governor_modules() {
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        case "$CPUFREQ_GOV_MODULES" in
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                "") 
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                        return
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                ;;
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                "auto")
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                        CPUFREQ_GOV_MODULES=$(cat /etc/cpufreqd.conf | \
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                                                sed -ne 's/^policy=\([[:alpha:]]*\)/cpufreq_\1/p' | \
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                                                uniq | xargs)
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                ;;
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                *)
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                ;;
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        esac
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        modprobe -qa $CPUFREQ_GOV_MODULES || /bin/true
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}
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load_cpu_module() {
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        if [ -n "$CPUFREQ_CPU_MODULE" ] ; then
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                modprobe -q $CPUFREQ_CPU_MODULE || /bin/true
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        fi
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}
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check_for_cpufreq_support() {
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        # forget it if we're trying to start and no cpufreq found in kernel
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        if !([ -d /sys/devices/system/cpu/cpu0/cpufreq ] || [ -f /proc/cpufreq ]) ; then
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#               log_failure_msg "no cpufreq interface found. "
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                return 1
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        fi
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        return 0
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}
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set -e
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retval=0
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case "$1" in
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        start)
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                log_daemon_msg "Starting $DESC" "$NAME"
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                load_cpu_module
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                load_governor_modules
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                if check_for_cpufreq_support ; then
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                        start_daemon $DAEMON -f $CPUFREQD_CONFFILE
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                else
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#                       log_failure_msg " Errors occurred starting cpufreqd"
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                        retval=1
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                fi
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                log_end_msg $retval;
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        ;;
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        stop)
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                log_daemon_msg "Stopping $DESC" "$NAME"
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                if ( pidofproc $DAEMON 2>&1 > /dev/null ) ; then
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                        killproc $DAEMON 15
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                fi
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                log_end_msg $retval
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        ;;
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#  reload|force-reload)
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#      check_for_cpufreq_support
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#      echo -n "Reloading $DESC configuration..."
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#      start-stop-daemon --stop --oknodo --signal 1 --exec $DAEMON -- -f $CPUFREQD_CONFFILE
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#      echo "done."
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#      ;;
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        reload|force-reload|restart)
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                log_daemon_msg "Restarting $DESC" "$NAME"
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                killproc $DAEMON
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                sleep 1
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                if check_for_cpufreq_support ; then
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                        start_daemon $DAEMON -f $CPUFREQD_CONFFILE
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                else
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#                       log_failure_msg " Errors occurred starting cpufreqd"
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                        retval=1
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                fi
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                log_end_msg $retval;
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        ;;
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        *)
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                N=/etc/init.d/$NAME
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                echo "Usage: $N {start|stop|restart|reload|force-reload}" >&2
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                retval=2
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        ;;
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esac
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exit $retval
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