diff options
| author | Peter Jones <pjones@redhat.com> | 2007-01-02 16:44:51 +0000 |
|---|---|---|
| committer | Peter Jones <pjones@redhat.com> | 2007-01-02 16:44:51 +0000 |
| commit | 3c086a1670d928452b009a9e1269af0ab1b956b7 (patch) | |
| tree | 9f3a38f8e71cfb51a1729d81d84b0f1931e4a050 /pm | |
| parent | 5ea0c449249186457d3cccda5dd1eaafa71806a1 (diff) | |
- Set scheduler policy for different power states
Diffstat (limited to 'pm')
| -rw-r--r-- | pm/power.d/Makefile.am | 3 | ||||
| -rw-r--r-- | pm/power.d/sched-powersave | 31 |
2 files changed, 33 insertions, 1 deletions
diff --git a/pm/power.d/Makefile.am b/pm/power.d/Makefile.am index 275e13b..6f63ad8 100644 --- a/pm/power.d/Makefile.am +++ b/pm/power.d/Makefile.am @@ -1,7 +1,8 @@ powerdir = $(sysconfdir)/pm/power.d power_SCRIPTS = \ - laptop-tools + laptop-tools \ + sched-powersave EXTRA_DIST=$(power_SCRIPTS) diff --git a/pm/power.d/sched-powersave b/pm/power.d/sched-powersave new file mode 100644 index 0000000..9371d50 --- /dev/null +++ b/pm/power.d/sched-powersave @@ -0,0 +1,31 @@ +#!/bin/bash + +path_mc="/sys/devices/system/cpu/sched_mc_power_savings" +path_smp="/sys/devices/system/cpu/sched_smp_power_savings" +val=0 + +case "$1" in + true) + echo "**sched policy powersave ON" + val=1 + ;; + false) + echo "**sched policy powersave OFF" + val=0 + ;; +esac + +# Based on the values (1-enable, 0-disable) for these controls, +# sched groups cpu power will be determined for different domains. +# When power savings policy is enabled and under light load conditions, +# scheduler will minimize the physical packages/cpu cores carrying the +# load and thus conserving power + +if [ -w "$path_mc" ] ; then + echo $val > $path_mc +fi +if [ -w "$path_smp" ] ; then + echo $val > $path_smp +fi + +exit 0 |