Files
device_google_wahoo/init.power.sh
Ajay Dudani c218f23308 Disable bus dcvs
Revisit this, once we run through additional performance tests

Bug: 62039896
Test: Compile & boot
Change-Id: I1624285f9d1ee4d39c98553e648a4cd4327bd6f3
2017-06-03 02:37:47 +00:00

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#!/system/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
# TODO: Validate UI perf benchmarks and re-enable this
# write $cpubw/governor "bw_hwmon"
write $cpubw/polling_interval 50
write $cpubw/min_freq 1525
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
# Signal perfd that boot has completed
setprop sys.post_boot.parsed 1