MiPad4/android_device_xiaomi_sdm660-common
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scuba: Initial power/perf tunings

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Scheduler, Governor, LPM settings for scuba

Change-Id: Ibb5c29ea5bd8e93fe4759ef18c81500666c2a29c
This commit is contained in:
Chitti Babu Theegala 2020-03-30 10:22:23 +05:30 committed by OdSazib
parent 28e54cf755
commit 6aaca1af7e
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GPG key ID: CB336514F9F5CF69
1 changed files with 79 additions and 0 deletions
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79
rootdir/bin/init.qcom.post_boot.sh
View file

@ -4002,6 +4002,85 @@ case "$target" in
;;
esac
# Scuba perf/power tunings
case "$soc_id" in
"441" )
# Quad-core device. disable core_ctl
echo 0 > /sys/devices/system/cpu/cpu0/core_ctl/enable
# Configure schedutil governor settings
echo "schedutil" > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo 0 > /sys/devices/system/cpu/cpu0/cpufreq/schedutil/up_rate_limit_us
echo 0 > /sys/devices/system/cpu/cpu0/cpufreq/schedutil/down_rate_limit_us
echo 1305600 > /sys/devices/system/cpu/cpu0/cpufreq/schedutil/hispeed_freq
echo 614400 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
echo 0 > /sys/devices/system/cpu/cpu0/cpufreq/schedutil/rtg_boost_freq
# sched_load_boost as -6 is equivalent to target load as 85.
echo 0 > /proc/sys/kernel/sched_boost
echo -6 > /sys/devices/system/cpu/cpu0/sched_load_boost
echo -6 > /sys/devices/system/cpu/cpu1/sched_load_boost
echo -6 > /sys/devices/system/cpu/cpu2/sched_load_boost
echo -6 > /sys/devices/system/cpu/cpu3/sched_load_boost
echo 85 > /sys/devices/system/cpu/cpu0/cpufreq/schedutil/hispeed_load
# Set Memory parameters
configure_memory_parameters
# Enable bus-dcvs
ddr_type=`od -An -tx /proc/device-tree/memory/ddr_device_type`
ddr_type4="07"
ddr_type3="05"
for device in /sys/devices/platform/soc
do
for cpubw in $device/*cpu-cpu-ddr-bw/devfreq/*cpu-cpu-ddr-bw
do
echo "bw_hwmon" > $cpubw/governor
echo 50 > $cpubw/polling_interval
echo 762 > $cpubw/min_freq
if [ ${ddr_type:4:2} == $ddr_type4 ]; then
# LPDDR4
echo "2288 3440 4173 5195 5859 7759 10322 11863 13763" > $cpubw/bw_hwmon/mbps_zones
echo 85 > $cpubw/bw_hwmon/io_percent
fi
if [ ${ddr_type:4:2} == $ddr_type3 ]; then
# LPDDR3
echo "1525 3440 5195 5859 7102" > $cpubw/bw_hwmon/mbps_zones
echo 34 > $cpubw/bw_hwmon/io_percent
fi
echo 4 > $cpubw/bw_hwmon/sample_ms
echo 90 > $cpubw/bw_hwmon/decay_rate
echo 190 > $cpubw/bw_hwmon/bw_step
echo 20 > $cpubw/bw_hwmon/hist_memory
echo 0 > $cpubw/bw_hwmon/hyst_length
echo 80 > $cpubw/bw_hwmon/down_thres
echo 0 > $cpubw/bw_hwmon/guard_band_mbps
echo 250 > $cpubw/bw_hwmon/up_scale
echo 1600 > $cpubw/bw_hwmon/idle_mbps
done
for memlat in $device/*cpu*-lat/devfreq/*cpu*-lat
do
echo "mem_latency" > $memlat/governor
echo 10 > $memlat/polling_interval
echo 400 > $memlat/mem_latency/ratio_ceil
done
for latfloor in $device/*cpu*-ddr-latfloor*/devfreq/*cpu-ddr-latfloor*
do
echo "compute" > $latfloor/governor
echo 10 > $latfloor/polling_interval
done
done
# Disable low power modes. Enable it after LPM stable
echo 1 > /sys/module/lpm_levels/parameters/sleep_disabled
;;
esac
;;
esac