diff options
| author | Chris Fries <cfries@motorola.com> | 2014-06-13 09:01:48 -0500 |
|---|---|---|
| committer | Vineeta Srivastava <vsrivastava@google.com> | 2014-06-13 17:23:35 -0700 |
| commit | 97337a2114dd03d818e8731ef862dfcbc40640df (patch) | |
| tree | 5aa2e004dc7baf770fbb392f21354e4e7dd2df72 /init.shamu.power.rc | |
| parent | 7784ce9aedb44f9b6dd2e76ee379f60374aa8a06 (diff) | |
| download | shamu-97337a2114dd03d818e8731ef862dfcbc40640df.tar.gz | |
init.shamu.power.rc: Start power management
Initial power management settings for Shamu.
- Set governor to Interactive and setup permissions
- Enable cpubw_hwmon governor
- Set low power states (power collapse, retention) to enabled
Screen-on idle, before: 310 mA
Screen-on idle, after: 102 mA
Change-Id: If3a63ddf67fd7e19fc62d08bc109313386f5b3f8
Diffstat (limited to 'init.shamu.power.rc')
| -rw-r--r-- | init.shamu.power.rc | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/init.shamu.power.rc b/init.shamu.power.rc new file mode 100644 index 00000000..e4423283 --- /dev/null +++ b/init.shamu.power.rc @@ -0,0 +1,58 @@ +on boot + # Shamu boots with performance governor. + # Switch one core to interactive to set permissions, for power hal and system server. + write /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor interactive + chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_rate + chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_rate + chown system system /sys/devices/system/cpu/cpufreq/interactive/timer_slack + chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/timer_slack + chown system system /sys/devices/system/cpu/cpufreq/interactive/min_sample_time + chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/min_sample_time + chown system system /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq + chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq + chown system system /sys/devices/system/cpu/cpufreq/interactive/target_loads + chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/target_loads + chown system system /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load + chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load + chown system system /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay + chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/above_hispeed_delay + chown system system /sys/devices/system/cpu/cpufreq/interactive/boost + chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boost + chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse + #chown system system /sys/devices/system/cpu/cpufreq/interactive/input_boost + #chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/input_boost + chown system system /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration + chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/boostpulse_duration + chown system system /sys/devices/system/cpu/cpufreq/interactive/io_is_busy + chmod 0660 /sys/devices/system/cpu/cpufreq/interactive/io_is_busy + +on property:dev.bootcomplete=1 + write /sys/module/lpm_levels/enable_low_power/l2 4 + write /sys/module/msm_pm/modes/cpu0/power_collapse/suspend_enabled 1 + write /sys/module/msm_pm/modes/cpu1/power_collapse/suspend_enabled 1 + write /sys/module/msm_pm/modes/cpu2/power_collapse/suspend_enabled 1 + write /sys/module/msm_pm/modes/cpu3/power_collapse/suspend_enabled 1 + write /sys/module/msm_pm/modes/cpu0/power_collapse/idle_enabled 1 + write /sys/module/msm_pm/modes/cpu1/power_collapse/idle_enabled 1 + write /sys/module/msm_pm/modes/cpu2/power_collapse/idle_enabled 1 + write /sys/module/msm_pm/modes/cpu3/power_collapse/idle_enabled 1 + write /sys/module/msm_pm/modes/cpu0/standalone_power_collapse/suspend_enabled 1 + write /sys/module/msm_pm/modes/cpu1/standalone_power_collapse/suspend_enabled 1 + write /sys/module/msm_pm/modes/cpu2/standalone_power_collapse/suspend_enabled 1 + write /sys/module/msm_pm/modes/cpu3/standalone_power_collapse/suspend_enabled 1 + write /sys/module/msm_pm/modes/cpu0/standalone_power_collapse/idle_enabled 1 + write /sys/module/msm_pm/modes/cpu1/standalone_power_collapse/idle_enabled 1 + write /sys/module/msm_pm/modes/cpu2/standalone_power_collapse/idle_enabled 1 + write /sys/module/msm_pm/modes/cpu3/standalone_power_collapse/idle_enabled 1 + write /sys/module/msm_pm/modes/cpu0/retention/idle_enabled 1 + write /sys/module/msm_pm/modes/cpu1/retention/idle_enabled 1 + write /sys/module/msm_pm/modes/cpu2/retention/idle_enabled 1 + write /sys/module/msm_pm/modes/cpu3/retention/idle_enabled 1 + write /sys/module/msm_thermal/core_control/enabled 0 + write /sys/class/devfreq/qcom,cpubw.28/governor cpubw_hwmon + write /sys/devices/system/cpu/cpu1/cpufreq/scaling_governor interactive + write /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor interactive + write /sys/devices/system/cpu/cpu3/cpufreq/scaling_governor interactive + write /sys/module/msm_thermal/core_control/enabled 1 + write /sys/devices/system/cpu/cpufreq/interactive/io_is_busy 1 + |