On Mon, 2006-05-01 at 20:19 +0100, Richard Hughes wrote:
> On Mon, 2006-05-01 at 14:15 -0400, Peter Jones wrote:
> > On Mon, 2006-05-01 at 19:08 +0100, Richard Hughes wrote:
> > > It's surely a 5 minute job to add?
> >
> > Indeed. Go for it ;)
>
> I guess /etc/pm/lowpower.d/ is the right name for the lowpower scripts.
What about the attached as a rough and ready start?
Richard.
Index: Makefile
===================================================================
RCS file: /cvs/pm-utils/pm-utils/Makefile,v
retrieving revision 1.32
diff -u -r1.32 Makefile
--- Makefile 1 May 2006 15:20:59 -0000 1.32
+++ Makefile 1 May 2006 20:01:05 -0000
@@ -44,6 +44,7 @@
install -m 755 -d $(sysconfdir)/pm
install -m 755 -d $(sysconfdir)/pm/hooks
install -m 755 -d $(sysconfdir)/pm/config.d
+ install -m 755 -d $(sysconfdir)/pm/lowpower.d
install -m 644 pm.sysconfig $(sysconfdir)/pm/config
for file in pm/functions* ; do \
@@ -52,6 +53,9 @@
for file in pm/hooks/* ; do \
install -m 755 $$file $(sysconfdir)/pm/hooks ; \
done
+ for file in pm/lowpower.d/* ; do \
+ install -m 755 $$file $(sysconfdir)/pm/lowpower.d ; \
+ done
tag-archive:
@cvs -Q tag -F $(CVSTAG)
--- /dev/null 2006-05-01 07:42:38.603969750 +0100
+++ pm-powersave 2006-05-01 20:18:31.000000000 +0100
@@ -0,0 +1,44 @@
+#!/bin/bash
+#
+# Simple powersave script
+#
+# Copyright 2006 Red Hat, Inc.
+#
+# Based on work from:
+# Bill Nottingham <[EMAIL PROTECTED]>
+# Peter Jones <[EMAIL PROTECTED]>
+# David Zeuthen <[EMAIL PROTECTED]>
+# Richard Hughes <[EMAIL PROTECTED]>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of version 2 of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+
+runlowpowerhooks()
+{
+ files="/etc/pm/lowpower.d/*"
+ for file in $files ; do
+ [ -x $file ] && $file $1
+ done
+}
+
+if [ "$1" == "true" ] ; then
+ echo "SetLowPower ON"
+ runlowpowerhooks true
+elif [ "$1" == "false" ] ; then
+ echo "SetLowPower OFF"
+ runlowpowerhooks false
+else
+ echo "Argument needs to be true or false"
+ exit 1
+fi
--- /dev/null 2006-05-01 07:42:38.603969750 +0100
+++ pm/lowpower.d/laptop-tools 2006-05-01 20:15:17.000000000 +0100
@@ -0,0 +1,58 @@
+#!/bin/bash
+# Values are taken from the laptop-tools package
+# Bart Samwel <[EMAIL PROTECTED]>
+
+. /etc/pm/functions
+
+setlowpowermode()
+{
+ # Seconds laptop mode has to to wait after the disk
+ # goes idle before doing a sync.
+ echo $DISK_IDLE_SECS > /proc/sys/vm/laptop_mode
+
+ # Set dirty page values
+ echo $DIRTY_WRITEBACK > /proc/sys/vm/dirty_writeback_centisecs
+ echo $DIRTY_EXPIRE > /proc/sys/vm/dirty_expire_centisecs
+
+ # Dirty synchronous ratio. At this percentage of dirty
+ # pages the process which calls write() does its own writeback.
+ echo $DIRTY_RATIO > /proc/sys/vm/dirty_ratio
+
+ # Allowed dirty background ratio, in percent.
+ # Once DIRTY_RATIO has been exceeded, the kernel will wake pdflush
+ # which will then reduce the amount of dirty memory to
+ # dirty_background_ratio. Set this nice and low, so once some
+ # writeout has commenced, we do a lot of it.
+ echo $DIRTY_BACKGROUND_RATIO > /proc/sys/vm/dirty_background_ratio
+}
+
+if [ ! -w "/proc/sys/vm/" ] ; then
+ # Use the raw kernel sysfs interface
+ echo "You do not have write access to /proc/sys/vm/"
+ exit 1
+fi
+
+case "$1" in
+ true)
+ echo "**SetLowPower ON"
+ DISK_IDLE_SECS=2
+ DIRTY_WRITEBACK=30
+ DIRTY_EXPIRE=30
+ DIRTY_RATIO=60
+ DIRTY_BACKGROUND_RATIO=1
+ setlowpowermode
+ ;;
+ false)
+ echo "**SetLowPower OFF"
+ DISK_IDLE_SECS=0
+ DIRTY_WRITEBACK=500
+ DIRTY_EXPIRE=3000
+ DIRTY_RATIO=40
+ DIRTY_BACKGROUND_RATIO=10
+ setlowpowermode
+ ;;
+ *)
+ ;;
+esac
+
+exit $?
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