From: Dax Kelson <dax@gurulabs.com>
Documentation/laptop-mode.txt | 47 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 47 insertions(+)
diff -puN Documentation/laptop-mode.txt~laptop-mode-doc-update Documentation/laptop-mode.txt
--- 25/Documentation/laptop-mode.txt~laptop-mode-doc-update 2004-01-05 11:11:31.000000000 -0800
+++ 25-akpm/Documentation/laptop-mode.txt 2004-01-05 11:11:31.000000000 -0800
@@ -126,8 +126,11 @@ Please note that this control script wor
# start or stop laptop_mode, best run by a power management daemon when
# ac gets connected/disconnected from a laptop
#
+# install as /sbin/laptop_mode
+#
# Contributors to this script: Kiko Piris
# Bart Samwel
+# Dax Kelson
# Original Linux 2.4 version by: Jens Axboe
parse_mount_opts () {
@@ -203,6 +206,7 @@ case "$1" in
"ext3") mount $DEV -t $FST $MP -o remount,$PARSEDOPTS,commit=$MAX_AGE ;;
"reiserfs") mount $DEV -t $FST $MP -o remount,$PARSEDOPTS,commit=$MAX_AGE ;;
"xfs") mount $DEV -t $FST $MP -o remount,$PARSEDOPTS,commit=$MAX_AGE ;;
+ esac
done
fi
echo "."
@@ -246,7 +250,50 @@ exit 0
--------------------CONTROL SCRIPT END--------------------------------------------
+Dax Kelson submitted this so that the ACPI acpid daemon will
+kick off the laptop_mode script and run hdparm.
+---------------------------/etc/acpi/events/ac_adapter BEGIN-------------------------------------------
+event=ac_adapter
+action=/etc/acpi/actions/battery.sh
+---------------------------/etc/acpi/events/ac_adapter END-------------------------------------------
+
+---------------------------/etc/acpi/actions/battery.sh BEGIN-------------------------------------------
+#!/bin/sh
+
+# cpu throttling
+# cat /proc/acpi/processor/CPU0/throttling for more info
+ACAD_THR=0
+BATT_THR=2
+
+# spindown time for HD (man hdparm for valid values)
+# I prefer 2 hours for acad and 20 seconds for batt
+ACAD_HD=244
+BATT_HD=4
+
+# ac/battery event handler
+
+status=`awk '/^state: / { print $2 }' /proc/acpi/ac_adapter/AC/state`
+
+case $status in
+ "on-line")
+ echo "Setting HD spindown to 2 hours"
+ /sbin/laptop-mode stop
+ /sbin/hdparm -S $ACAD_HD /dev/hda > /dev/null 2>&1
+ /sbin/hdparm -B 255 /dev/hda > /dev/null 2>&1
+ #echo -n $ACAD_CPU:$ACAD_THR > /proc/acpi/processor/CPU0/limit
+ exit 0
+ ;;
+ "off-line")
+ echo "Setting HD spindown to 20 seconds"
+ /sbin/laptop-mode start
+ /sbin/hdparm -S $BATT_HD /dev/hda > /dev/null 2>&1
+ /sbin/hdparm -B 1 /dev/hda > /dev/null 2>&1
+ #echo -n $BATT_CPU:$BATT_THR > /proc/acpi/processor/CPU0/limit
+ exit 0
+ ;;
+esac
+---------------------------/etc/acpi/actions/battery.sh END-------------------------------------------
Monitoring tool
---------------
_