Files
device_google_wahoo/init.power.sh
Wei Wang 8e5694d2c0 Remove perfd
We have moved to new PowerHAL implementation.

Test: build and boot
Bug: 62041945
Change-Id: If8deaf131ccc829653932c8d3310b4c2ecd4a7ac
2018-05-14 15:13:39 -07:00

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#! /vendor/bin/sh
################################################################################
# helper functions to allow Android init like script
function write() {
echo -n $2 > $1
}
function copy() {
cat $1 > $2
}
################################################################################
# Enable bus-dcvs
for cpubw in /sys/class/devfreq/*qcom,cpubw*
do
write $cpubw/governor "bw_hwmon"
write $cpubw/polling_interval 50
write $cpubw/bw_hwmon/mbps_zones "3143 5859 11863 13763"
write $cpubw/bw_hwmon/sample_ms 4
write $cpubw/bw_hwmon/io_percent 34
write $cpubw/bw_hwmon/hist_memory 20
write $cpubw/bw_hwmon/hyst_length 10
write $cpubw/bw_hwmon/low_power_ceil_mbps 0
write $cpubw/bw_hwmon/low_power_io_percent 34
write $cpubw/bw_hwmon/low_power_delay 20
write $cpubw/bw_hwmon/guard_band_mbps 0
write $cpubw/bw_hwmon/up_scale 250
write $cpubw/bw_hwmon/idle_mbps 1600
done
write /sys/class/devfreq/soc:qcom,mincpubw/governor "cpufreq"
# Enable memlat governor
#for memlat in /sys/class/devfreq/*qcom,memlat-cpu*
#do
# write $memlat/governor "mem_latency"
# write $memlat/polling_interval 10
# write $memlat/mem_latency/ratio_ceil 400
#done
# On debuggable builds, enable console_suspend if uart is enabled to save power
# Otherwise, disable console_suspend to get better logging for kernel crashes
if [[ $(getprop ro.debuggable) == "1" && ! -e /sys/class/tty/ttyMSM0 ]]
then
write /sys/module/printk/parameters/console_suspend N
fi