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jitter-reducer-functions.shlib
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jitter-reducer-functions.shlib
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#!/system/bin/sh
function forceOnlineCPUs()
{
local i st en
IFS="-" read st en <"/sys/devices/system/cpu/present"
if [ -n "$st" -a -n "$en" -a "$st" -ge 0 -a "$en" -ge 0 ]; then
for i in `seq $st $en`; do
if [ -e "/sys/devices/system/cpu/cpu$i/online" ]; then
chmod 644 "/sys/devices/system/cpu/cpu$i/online"
echo '1' >"/sys/devices/system/cpu/cpu$i/online"
fi
done
fi
}
function searchDefaultCpuGovernor()
{
# Search default CPU governor
local gov=""
local i
for i in `cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors`; do
if [ "$i" = "walt" -o "$i" = "sched_pixel" -o "$i" = "schedutil" ]; then
gov="$i"
break;
elif [ ! "$gov" = "schedplus" ]; then
if [ "$i" = "schedplus" ]; then
gov="$i"
elif [ ! "$gov" = "interactive" ]; then
gov="$i"
fi
fi
done
if [ -z "$gov" ]; then
gov="performance"
fi
echo "$gov"
}
function reduceSelinuxJitter()
{
if [ $# -eq 2 ]; then
local flag="$1"
local printStatus="$2"
if [ $flag -gt 0 ]; then
setenforce 0
elif [ $flag -lt 0 ]; then
if [ "`getprop ro.build.product`" = "jfltexx" -a "`getprop ro.system.build.version.release`" -ge "12" ]; then
echo "Warning: ignored trying to change Selinux mode" 1>&2
else
setenforce 1
fi
fi
if [ $printStatus -gt 0 ]; then
echo " Selinux mode: `getenforce`"
fi
else
return 1
fi
}
function reduceThermalJitter()
{
if [ $# -eq 2 ]; then
local flag="$1"
local printStatus="$2"
if [ $flag -gt 0 ]; then
# Stop thermal core control
if [ -w "/sys/module/msm_thermal/core_control/enabled" ]; then
echo '0' > "/sys/module/msm_thermal/core_control/enabled"
fi
if [ -r "/sys/devices/system/cpu/cpu0/core_ctl/enable" ]; then
local i st en
IFS="-" read st en <"/sys/devices/system/cpu/present"
if [ -n "$st" -a -n "$en" -a "$st" -ge 0 -a "$en" -ge 0 ]; then
if [ -w "/sys/devices/system/cpu/cpu7/core_ctl/enable" ]; then
# SD850 or higher type core control
echo '1' > "/sys/devices/system/cpu/cpu7/core_ctl/enable"
echo '1' > "/sys/devices/system/cpu/cpu7/core_ctl/min_cpus"
echo '0' > "/sys/devices/system/cpu/cpu7/core_ctl/enable"
if [ -w "/sys/devices/system/cpu/cpu4/core_ctl/enable" ]; then
echo '1' > "/sys/devices/system/cpu/cpu4/core_ctl/enable"
echo '3' > "/sys/devices/system/cpu/cpu4/core_ctl/min_cpus"
echo '0' > "/sys/devices/system/cpu/cpu4/core_ctl/enable"
fi
if [ -w "/sys/devices/system/cpu/cpu0/core_ctl/enable" ]; then
echo '1' > "/sys/devices/system/cpu/cpu0/core_ctl/enable"
echo '4' > "/sys/devices/system/cpu/cpu0/core_ctl/min_cpus"
echo '0' > "/sys/devices/system/cpu/cpu0/core_ctl/enable"
fi
elif [ -w "/sys/devices/system/cpu/cpu4/core_ctl/enable" ]; then
# SD840 or lower type core control
echo '1' > "/sys/devices/system/cpu/cpu4/core_ctl/enable"
echo '4' > "/sys/devices/system/cpu/cpu4/core_ctl/min_cpus"
echo '0' > "/sys/devices/system/cpu/cpu4/core_ctl/enable"
if [ -w "/sys/devices/system/cpu/cpu0/core_ctl/enable" ]; then
echo '1' > "/sys/devices/system/cpu/cpu0/core_ctl/enable"
echo '4' > "/sys/devices/system/cpu/cpu0/core_ctl/min_cpus"
echo '0' > "/sys/devices/system/cpu/cpu0/core_ctl/enable"
fi
elif [ -w "/sys/devices/system/cpu/cpu0/core_ctl/enable" ]; then
# unknown type core control
echo '1' > "/sys/devices/system/cpu/cpu0/core_ctl/enable"
echo '4' > "/sys/devices/system/cpu/cpu0/core_ctl/min_cpus"
echo '0' > "/sys/devices/system/cpu/cpu0/core_ctl/enable"
fi
fi
fi
# Stop the MPDecision (CPU hotplug)
if [ "`getprop init.svc.mpdecision`" = "running" ]; then
setprop ctl.stop mpdecision
forceOnlineCPUs
elif [ "`getprop init.svc.mpdecision`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.mpdecision`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
forceOnlineCPUs
fi
elif [ "`getprop init.svc.vendor.mpdecision`" = "running" ]; then
setprop ctl.stop vendor.mpdecision
forceOnlineCPUs
elif [ "`getprop init.svc.vendor.mpdecision`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.vendor.mpdecision`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
forceOnlineCPUs
fi
fi
# Stop the thermal server
if [ "`getprop init.svc.thermal`" = "running" ]; then
setprop ctl.stop thermal
elif [ "`getprop init.svc.thermal`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.thermal`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
elif [ "`getprop init.svc.vendor.thermal`" = "running" ]; then
setprop ctl.stop vendor.thermal
elif [ "`getprop init.svc.vendor.thermal`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.vendor.thermal`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
fi
# Stop the mi_thermald server
if [ "`getprop init.svc.mi_thermald`" = "running" ]; then
setprop ctl.stop mi_thermald
elif [ "`getprop init.svc.mi_thermald`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.mi_thermald`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
elif [ "`getprop init.svc.vendor.mi_thermald`" = "running" ]; then
setprop ctl.stop vendor.mi_thermald
elif [ "`getprop init.svc.vendor.mi_thermald`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.vendor.mi_thermald`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
fi
# Stop the thermal-engine server
if [ "`getprop init.svc.thermal-engine`" = "running" ]; then
setprop ctl.stop thermal-engine
elif [ "`getprop init.svc.thermal-engine`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.thermal-engine`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
elif [ "`getprop init.svc.vendor.thermal-engine`" = "running" ]; then
setprop ctl.stop vendor.thermal-engine
elif [ "`getprop init.svc.vendor.thermal-engine`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.vendor.thermal-engine`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
fi
# For MediaTek CPU's
if [ -w "/proc/cpufreq/cpufreq_sched_disable" ]; then
echo '1' > "/proc/cpufreq/cpufreq_sched_disable"
forceOnlineCPUs
fi
elif [ $flag -lt 0 ]; then
# Start thermal core control
if [ -w "/sys/module/msm_thermal/core_control/enabled" ]; then
echo '1' > "/sys/module/msm_thermal/core_control/enabled"
fi
if [ -r "/sys/devices/system/cpu/cpu0/core_ctl/enable" ]; then
local st en
IFS="-" read st en <"/sys/devices/system/cpu/present"
if [ -n "$st" -a -n "$en" -a "$st" -ge 0 -a "$en" -ge 0 ]; then
if [ -w "/sys/devices/system/cpu/cpu7/core_ctl/enable" ]; then
# SD850 or higher type core control
echo '1' > "/sys/devices/system/cpu/cpu7/core_ctl/enable"
echo '0' > "/sys/devices/system/cpu/cpu7/core_ctl/min_cpus"
if [ -w "/sys/devices/system/cpu/cpu4/core_ctl/enable" ]; then
echo '1' > "/sys/devices/system/cpu/cpu4/core_ctl/enable"
echo '2' > "/sys/devices/system/cpu/cpu4/core_ctl/min_cpus"
fi
if [ -w "/sys/devices/system/cpu/cpu0/core_ctl/enable" ]; then
echo '1' > "/sys/devices/system/cpu/cpu0/core_ctl/enable"
echo '4' > "/sys/devices/system/cpu/cpu0/core_ctl/min_cpus"
echo '0' > "/sys/devices/system/cpu/cpu0/core_ctl/enable"
fi
elif [ -w "/sys/devices/system/cpu/cpu4/core_ctl/enable" ]; then
# SD840 or lower type core control
echo '1' > "/sys/devices/system/cpu/cpu4/core_ctl/enable"
echo '1' > "/sys/devices/system/cpu/cpu4/core_ctl/min_cpus"
if [ -w "/sys/devices/system/cpu/cpu0/core_ctl/enable" ]; then
echo '1' > "/sys/devices/system/cpu/cpu0/core_ctl/enable"
echo '1' > "/sys/devices/system/cpu/cpu0/core_ctl/min_cpus"
fi
elif [ -w "/sys/devices/system/cpu/cpu0/core_ctl/enable" ]; then
# unknown type core control
echo '1' > "/sys/devices/system/cpu/cpu0/core_ctl/enable"
echo '1' > "/sys/devices/system/cpu/cpu0/core_ctl/min_cpus"
fi
fi
fi
# Start the MPDecision (CPU hotplug)
if [ "`getprop init.svc.mpdecision`" = "stopped" ]; then
setprop ctl.start mpdecision
forceOnlineCPUs
elif [ "`getprop init.svc.vendor.mpdecision`" = "stopped" ]; then
setprop ctl.start vendor.mpdecision
forceOnlineCPUs
fi
# Start the thermal server
if [ "`getprop init.svc.thermal`" = "stopped" ]; then
setprop ctl.start thermal
elif [ "`getprop init.svc.vendor.thermal`" = "stopped" ]; then
setprop ctl.start vendor.thermal
fi
# Start the mi_thermald server
if [ "`getprop init.svc.mi_thermald`" = "stopped" ]; then
setprop ctl.start mi_thermald
elif [ "`getprop init.svc.vendor.mi_thermald`" = "stopped" ]; then
setprop ctl.start vendor.mi_thermald
fi
# Start the thermal-engine server
if [ "`getprop init.svc.thermal-engine`" = "stopped" ]; then
setprop ctl.start thermal-engine
elif [ "`getprop init.svc.vendor.thermal-engine`" = "stopped" ]; then
setprop ctl.start vendor.thermal-engine
fi
# For MediaTek CPU's
if [ -w "/proc/cpufreq/cpufreq_sched_disable" ]; then
val="`searchDefaultCpuGovernor`"
if [ "$val" = "schedutil" -a "`getprop ro.vendor.build.version.release`" -lt "11" ]; then
echo " Notice: EAS hasn't been enabled, so skipping thermal MTK EAS+ enabling" 1>&2
else
echo '0' > "/proc/cpufreq/cpufreq_sched_disable"
fi
fi
fi
if [ $printStatus -gt 0 ]; then
local found=0
# Qualcomm Core control
if [ -w "/sys/module/msm_thermal/core_control/enabled" ]; then
if [ "`cat /sys/module/msm_thermal/core_control/enabled`" -eq 0 ]; then
echo " Thermal msm_thermal: disabled"
else
echo " Thermal msm_thermal: enabled"
fi
found=1
fi
if [ -r "/sys/devices/system/cpu/cpu0/core_ctl/enable" ]; then
local i st en ctl_enabled=0
IFS="-" read st en <"/sys/devices/system/cpu/present"
if [ -n "$st" -a -n "$en" -a "$st" -ge 0 -a "$en" -ge 0 ]; then
if [ -r "/sys/devices/system/cpu/cpu7/core_ctl/enable" ]; then
read ctl_enabled <"/sys/devices/system/cpu/cpu7/core_ctl/enable"
elif [ -r "/sys/devices/system/cpu/cpu4/core_ctl/enable" ]; then
read ctl_enabled <"/sys/devices/system/cpu/cpu4/core_ctl/enable"
elif [ -r "/sys/devices/system/cpu/cpu0/core_ctl/enable" ]; then
read ctl_enabled <"/sys/devices/system/cpu/cpu0/core_ctl/enable"
fi
if [ "$ctl_enabled" -gt 0 ]; then
echo " Thermal core_ctl: enabled"
else
echo " Thermal core_ctl: disabled"
fi
found=1
fi
fi
if [ -n "`getprop init.svc.thermal`" ]; then
echo " Thermal server: `getprop init.svc.thermal`"
found=1
elif [ -n "`getprop init.svc.vendor.thermal`" ]; then
echo " Thermal server: `getprop init.svc.vendor.thermal`"
found=1
fi
if [ -n "`getprop init.svc.mi_thermald`" ]; then
echo " Thermal mi_thermald: `getprop init.svc.mi_thermald`"
found=1
elif [ -n "`getprop init.svc.vendor.mi_thermald`" ]; then
echo " Thermal mi_thermald: `getprop init.svc.vendor.mi_thermald`"
found=1
fi
if [ -n "`getprop init.svc.thermal-engine`" ]; then
echo " Thermal thermal-engine: `getprop init.svc.thermal-engine`"
found=1
elif [ -n "`getprop init.svc.vendor.thermal-engine`" ]; then
echo " Thermal thermal-engine: `getprop init.svc.vendor.thermal-engine`"
found=1
fi
# MPDecision
if [ -n "`getprop init.svc.mpdecision`" ]; then
echo " Thermal MPDecision: `getprop init.svc.mpdecision`"
found=1
elif [ -n "`getprop init.svc.vendor.mpdecision`" ]; then
echo " Thermal MPDecision: `getprop init.svc.vendor.mpdecision`"
found=1
fi
# MediaTek EAS+ scheduling
if [ -r "/proc/cpufreq/cpufreq_sched_disable" ]; then
set `cat /proc/cpufreq/cpufreq_sched_disable`
val=$3
if [ "$val" -eq '1' ]; then
echo " Thermal MTK EAS+: stopped"
else
echo " Thermal MTK EAS+: running"
fi
found=1
fi
if [ $found -eq 0 ]; then
echo " Thermal control: N/A"
fi
# End of status print section
fi
else
return 1
fi
}
function reduceDozeJitter()
{
if [ $# -eq 2 ]; then
local flag="$1"
local printStatus="$2"
if [ $flag -gt 0 ]; then
# Disable Doze of the device
dumpsys deviceidle disable all 1>"/dev/null" 2>&1
elif [ $flag -lt 0 ]; then
# Enable Doze of the device
dumpsys deviceidle enable all 1>"/dev/null" 2>&1
fi
if [ $printStatus -gt 0 ]; then
if [ "`dumpsys deviceidle enabled all`" -gt 0 ]; then
echo " Doze battery saver: enabled"
else
echo " Doze battery saver: disabled"
fi
fi
else
return 1
fi
}
function getQcomGpuFreq()
{
local isMax="0"
if [ $# -eq 1 -a "$1" = "max" ]; then
isMax="1"
fi
if [ -r "/sys/class/kgsl/kgsl-3d0/gpu_available_frequencies" -a -r "/sys/class/kgsl/kgsl-3d0/min_pwrlevel" ]; then
local tab x y freq=""
read tab <"/sys/class/kgsl/kgsl-3d0/gpu_available_frequencies"
if [ -z "$tab" ]; then
return 1
fi
set $tab 1>"/dev/null" 2>&1
if [ "$isMax" -eq 1 ]; then
freq="$1"
elif [ -r "/sys/class/kgsl/kgsl-3d0/default_pwrlevel" ]; then
read x <"/sys/class/kgsl/kgsl-3d0/min_pwrlevel"
read y <"/sys/class/kgsl/kgsl-3d0/default_pwrlevel"
if [ "$y" -lt "$x" ]; then
x="$y"
fi
if [ "$x" -lt $# ]; then
shift $x
fi
freq="$1"
else
# no estimation possible, so check the current real GPU clock
read freq <"/sys/class/kgsl/kgsl-3d0/gpuclk"
fi
if [ -n "$freq" ]; then
echo "$freq"
return 0
else
return 1
fi
else
return 1
fi
}
function getMtkGpuFreqKhz()
{
local isMax="0"
if [ $# -eq 1 -a "$1" = "max" ]; then
isMax="1"
fi
if [ -r "/proc/gpufreq/gpufreq_opp_dump" ]; then
local x1 x2 x3 x4 x5 freq="" IFS=" ,"
if [ "$isMax" -eq 1 ]; then
read x1 x2 x3 x4 x5 <"/proc/gpufreq/gpufreq_opp_dump"
freq="$x4"
else
while read x1 x2 x3 x4 x5; do
freq="$x4"
done <"/proc/gpufreq/gpufreq_opp_dump"
fi
if [ -n "$freq" ]; then
echo "$freq"
return 0
else
return 1
fi
else
return 1
fi
}
function getTensorGpuFreqKhz()
{
local isMax="0"
if [ $# -eq 1 -a "$1" = "max" ]; then
isMax="1"
elif [ $# -eq 1 -a "$1" = "min" ]; then
isMax="-1"
fi
if [ -r "/sys/devices/platform/1c500000.mali/available_frequencies" ]; then
local tab x freq=""
read tab <"/sys/devices/platform/1c500000.mali/available_frequencies"
if [ -z "$tab" ]; then
return 1
fi
set $tab 1>"/dev/null" 2>&1
if [ "$isMax" -eq 1 ]; then
freq="$1"
elif [ "$isMax" -eq -1 ]; then
freq="$(eval echo '$'{$#})"
else
# return the current GPU clock
read freq <"/sys/devices/platform/1c500000.mali/cur_freq"
fi
if [ -n "$freq" ]; then
echo "$freq"
return 0
else
return 1
fi
else
return 1
fi
}
function isMtkGpuFreqFixed()
{
if [ -r "/proc/gpufreq/gpufreq_opp_freq" ]; then
local x1 x2 x3 x4 x5
read x1 x2 x3 x4 x5 <"/proc/gpufreq/gpufreq_opp_freq"
if [ "$x5" = "enabled" ]; then
return 0
else
return 1
fi
else
return 1
fi
}
function validGpuGovernor()
{
if [ $# -eq 2 -a -r "$1" ]; then
local lst
local gov="$2"
local i
lst="`cat <\"$1\"`"
for i in $lst; do
if [ "$i" = "$gov" ]; then
return 0
fi
done
return 1
else
return 1
fi
}
function reduceGovernorJitter()
{
if [ $# -eq 2 ]; then
local flag="$1"
local printStatus="$2"
if [ $flag -gt 0 ]; then
# CPU governor
# prevent CPU offline stuck by forcing online between double governor writing
local i st en x
IFS="-" read st en <"/sys/devices/system/cpu/present"
if [ -n "$st" -a -n "$en" -a "$st" -ge 0 -a "$en" -ge 0 ]; then
for i in `seq $st $en`; do
if [ -e "/sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor" ]; then
chmod 644 "/sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor"
echo 'performance' >"/sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor"
chmod 644 "/sys/devices/system/cpu/cpu$i/online"
echo '1' >"/sys/devices/system/cpu/cpu$i/online"
# Set the cpu max freq to the scaling_max_freq because some devices sometimes set it to be lower
read x <"/sys/devices/system/cpu/cpu$i/cpufreq/cpuinfo_max_freq"
chmod 644 "/sys/devices/system/cpu/cpu$i/cpufreq/scaling_max_freq"
echo "$x" >"/sys/devices/system/cpu/cpu$i/cpufreq/scaling_max_freq"
echo 'performance' >"/sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor"
fi
done
fi
# Support for the Nyx kernel and others; Disable a workqueue power efficient featute
if [ -e "/sys/module/workqueue/parameters/power_efficient" ]; then
chmod 644 "/sys/module/workqueue/parameters/power_efficient"
echo 'N' >"/sys/module/workqueue/parameters/power_efficient"
fi
# GPU's
if [ -w "/sys/class/kgsl/kgsl-3d0/pwrscale/trustzone/governor" ]; then
# For old Qcomm GPU's
echo 'performance' >"/sys/class/kgsl/kgsl-3d0/pwrscale/trustzone/governor"
if [ -w "/sys/class/kgsl/kgsl-3d0/min_pwrlevel" ]; then
# Set the min power level to be maximum
read x <"/sys/class/kgsl/kgsl-3d0/min_pwrlevel"
if [ "$x" -ne 0 ]; then
echo "0" >"/sys/class/kgsl/kgsl-3d0/min_pwrlevel"
fi
fi
elif [ -w "/sys/class/kgsl/kgsl-3d0/devfreq/governor" ]; then
# For Qcomm GPU's
if validGpuGovernor "/sys/class/kgsl/kgsl-3d0/devfreq/available_governors" "performance"; then
# Check whether "performance" governor exists or not because some Qcomm recent GPU's don't have the governor
echo 'performance' >"/sys/class/kgsl/kgsl-3d0/devfreq/governor"
sleep 0.1
fi
if [ -w "/sys/class/kgsl/kgsl-3d0/min_pwrlevel" ]; then
# Set the min power level to be maximum
read x <"/sys/class/kgsl/kgsl-3d0/min_pwrlevel"
if [ "$x" -ne 0 ]; then
echo "0" >"/sys/class/kgsl/kgsl-3d0/min_pwrlevel"
fi
fi
# For some Qcomm GPU's, because they revert the governor after setting min_pwrlevel several times
if validGpuGovernor "/sys/class/kgsl/kgsl-3d0/devfreq/available_governors" "performance"; then
for i in `seq 1 9`; do
x="`echo \"scale=1;${i}/10\" | bc`"
sleep $x
read x <"/sys/class/kgsl/kgsl-3d0/devfreq/governor"
if [ "$x" = "performance" ]; then
break
fi
echo 'performance' >"/sys/class/kgsl/kgsl-3d0/devfreq/governor"
done
fi
elif [ -w "/proc/gpufreq/gpufreq_opp_freq" ]; then
# Maximum fixed frequency setting for MediaTek GPU's
local freq="`getMtkGpuFreqKhz \"max\"`"
if [ -n "$freq" ]; then
echo "$freq" >"/proc/gpufreq/gpufreq_opp_freq"
fi
elif [ -w "/sys/devices/platform/1c500000.mali/scaling_min_freq" ]; then
# Maximum fixed frequency setting for Tensor GPU's
local freq="`getTensorGpuFreqKhz \"max\"`"
if [ -n "$freq" ]; then
echo "$freq" >"/sys/devices/platform/1c500000.mali/scaling_min_freq"
fi
fi
elif [ $flag -lt 0 ]; then
# CPU's governor
local gov="`searchDefaultCpuGovernor`"
# prevent CPU offline stuck by forcing online between double governor writing
local i st en
IFS="-" read st en <"/sys/devices/system/cpu/present"
if [ -n "$st" -a -n "$en" -a "$st" -ge 0 -a "$en" -ge 0 ]; then
for i in `seq $st $en`; do
if [ -e "/sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor" ]; then
chmod 644 "/sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor"
echo "$gov" >"/sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor"
chmod 644 "/sys/devices/system/cpu/cpu$i/online"
echo '1' >"/sys/devices/system/cpu/cpu$i/online"
echo "$gov" >"/sys/devices/system/cpu/cpu$i/cpufreq/scaling_governor"
fi
done
fi
# Support for the Nyx kernel and others; Revert a workqueue power efficient featute
if [ -e "/sys/module/workqueue/parameters/power_efficient" ]; then
chmod 644 "/sys/module/workqueue/parameters/power_efficient"
echo 'Y' >"/sys/module/workqueue/parameters/power_efficient"
fi
# GPU's
if [ -w "/sys/class/kgsl/kgsl-3d0/pwrscale/trustzone/governor" ]; then
# Default GPU governor for old Qcomm GPU's
if [ "`getprop ro.build.product`" = "jfltexx" -a "`getprop ro.system.build.version.release`" -ge "12" ]; then
echo 'performance' >"/sys/class/kgsl/kgsl-3d0/pwrscale/trustzone/governor"
else
echo 'ondemand' >"/sys/class/kgsl/kgsl-3d0/pwrscale/trustzone/governor"
fi
if [ -r "/sys/class/kgsl/kgsl-3d0/num_pwrlevels" -a -w "/sys/class/kgsl/kgsl-3d0/min_pwrlevel" ]; then
# Set the min power level to be minimum
local x="4"
local tmp
read x <"/sys/class/kgsl/kgsl-3d0/num_pwrlevels"
x="`expr $x - 1`"
if [ -n "$x" ]; then
read tmp <"/sys/class/kgsl/kgsl-3d0/min_pwrlevel"
if [ "$tmp" -ne "$x" ]; then
echo "$x" >"/sys/class/kgsl/kgsl-3d0/min_pwrlevel"
fi
fi
fi
elif [ -w "/sys/class/kgsl/kgsl-3d0/devfreq/governor" ]; then
# Default GPU governor for Qcomm GPU's
echo 'msm-adreno-tz' >"/sys/class/kgsl/kgsl-3d0/devfreq/governor"
sleep 0.1
if [ -r "/sys/class/kgsl/kgsl-3d0/num_pwrlevels" -a -w "/sys/class/kgsl/kgsl-3d0/min_pwrlevel" ]; then
# Set the min power level to be minimum
local x="6"
local tmp
read x <"/sys/class/kgsl/kgsl-3d0/num_pwrlevels"
x="`expr $x - 1`"
if [ -n "$x" ]; then
read tmp <"/sys/class/kgsl/kgsl-3d0/min_pwrlevel"
if [ "$tmp" -ne "$x" ]; then
echo "$x" >"/sys/class/kgsl/kgsl-3d0/min_pwrlevel"
fi
fi
fi
# For some Qcomm GPU's, because they revert the governor after setting min_pwrlevel several times
for i in `seq 1 9`; do
x="`echo \"scale=1;${i}/10\" | bc`"
sleep $x
read x <"/sys/class/kgsl/kgsl-3d0/devfreq/governor"
if [ "$x" = "msm-adreno-tz" ]; then
break
fi
echo 'msm-adreno-tz' >"/sys/class/kgsl/kgsl-3d0/devfreq/governor"
done
elif [ -w "/proc/gpufreq/gpufreq_opp_freq" ]; then
# Variable frequency setting for MediaTek GPU's
echo '0' >"/proc/gpufreq/gpufreq_opp_freq"
elif [ -w "/sys/devices/platform/1c500000.mali/scaling_min_freq" ]; then
# Minimum fixed frequency setting for Tensor GPU's
local freq="`getTensorGpuFreqKhz \"min\"`"
if [ -n "$freq" ]; then
echo "$freq" >"/sys/devices/platform/1c500000.mali/scaling_min_freq"
fi
fi
fi
if [ $printStatus -gt 0 ]; then
#CPU Governor
if [ -r "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor" ]; then
# Support for the Nyx kernel and others; Print the status of a workqueue power efficient featute
if [ -r "/sys/module/workqueue/parameters/power_efficient" ]; then
local pf
read pf <"/sys/module/workqueue/parameters/power_efficient"
if [ "$pf" = "Y" ]; then
pf="yes"
else
pf="no"
fi
echo " Governor CPU: `cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor` (wq psave: $pf)"
else
echo " Governor CPU: `cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor`"
fi
fi
if [ -r "/sys/class/kgsl/kgsl-3d0/pwrscale/trustzone/governor" ]; then
# For old Qcomm GPU Governor
local freq gov
read gov <"/sys/class/kgsl/kgsl-3d0/pwrscale/trustzone/governor"
if [ "$gov" = "performance" ]; then
freq="`getQcomGpuFreq \"max\"`"
freq="`expr $freq / 1000000`MHz"
echo " Governor GPU: performance (fixed: $freq)"
else
freq="`getQcomGpuFreq \"typical\"`"
freq="`expr $freq / 1000000`Mhz"
echo " Governor GPU: $gov (typical: $freq)"
fi
elif [ -w "/sys/class/kgsl/kgsl-3d0/devfreq/governor" ]; then
# For Qcomm GPU Governor
local freq gov
read gov <"/sys/class/kgsl/kgsl-3d0/devfreq/governor"
if [ "$gov" = "performance" ]; then
freq="`getQcomGpuFreq \"max\"`"
freq="`expr $freq / 1000000`MHz"
echo " Governor GPU: performance (fixed: $freq)"
else
freq="`getQcomGpuFreq \"typical\"`"
freq="`expr $freq / 1000000`MHz"
echo " Governor GPU: $gov (typical: $freq)"
fi
elif [ -r "/proc/gpufreq/gpufreq_opp_freq" ]; then
# For getting MediaTek GPU settings
local freq
if isMtkGpuFreqFixed; then
freq="`getMtkGpuFreqKhz \"max\"`"
freq="`expr $freq / 1000`MHz"
echo " Governor GPU: max freq (fixed: $freq)"
else
freq="`getMtkGpuFreqKhz \"typical\"`"
freq="`expr $freq / 1000`MHz"
echo " Governor GPU: variable freq (typical: $freq)"
fi
elif [ -r "/sys/devices/platform/1c500000.mali/cur_freq" ]; then
# Get the current Tensor GPU frequency
local freq="`getTensorGpuFreqKhz`"
if [ "$freq" = "`getTensorGpuFreqKhz \"max\"`" ]; then
freq="`expr $freq / 1000`MHz"
echo " Governor GPU: max freq (fixed: $freq)"
else
freq="`expr $freq / 1000`MHz"
echo " Governor GPU: variable freq (typical: $freq)"
fi
fi
fi
else
return 1
fi
}
function reduceLogdJitter()
{
if [ $# -eq 2 ]; then
local flag="$1"
local printStatus="$2"
if [ $flag -gt 0 ]; then
# Stop the Logd servers
if [ "`getprop init.svc.logd`" = "running" ]; then
setprop ctl.stop logd
elif [ "`getprop init.svc.logd`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.logd`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
fi
if [ "`getprop init.svc.traced`" = "running" ]; then
setprop ctl.stop traced
elif [ "`getprop init.svc.traced`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.traced`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
fi
if [ "`getprop init.svc.traced_probes`" = "running" ]; then
setprop ctl.stop traced_probes
elif [ "`getprop init.svc.traced_probes`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.traced_probes`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
fi
elif [ $flag -lt 0 ]; then
# Start the Logd servers
if [ "`getprop init.svc.traced_probes`" = "stopped" ]; then
setprop ctl.start traced_probes
elif [ "`getprop init.svc.traced_probes`" = "stopping" ]; then
setprop ctl.restart traced_probes
fi
if [ "`getprop init.svc.traced`" = "stopped" ]; then
setprop ctl.start traced
elif [ "`getprop init.svc.traced`" = "stopping" ]; then
setprop ctl.restart traced
fi
if [ "`getprop init.svc.logd`" = "stopped" ]; then
setprop ctl.start logd
elif [ "`getprop init.svc.logd`" = "stopping" ]; then
setprop ctl.restart logd
fi
fi
if [ $printStatus -gt 0 ]; then
local val="`getprop init.svc.logd`"
if [ -n "$val" ]; then
echo " Logd main server: $val"
fi
val="`getprop init.svc.traced`"
if [ -n "$val" ]; then
echo " Logd traced server: $val"
fi
val="`getprop init.svc.traced_probes`"
if [ -n "$val" ]; then
echo " Logd traced_probes server: $val"
fi
fi
else
return 1
fi
}
function reduceCameraJitter()
{
if [ $# -eq 2 ]; then
local flag="$1"
local printStatus="$2"
if [ $flag -gt 0 ]; then
# Stop the camera servers
if [ "`getprop init.svc.qcamerasvr`" = "running" ]; then
setprop ctl.stop qcamerasvr
elif [ "`getprop init.svc.qcamerasvr`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.qcamerasvr`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
fi
if [ "`getprop init.svc.vendor.qcamerasvr`" = "running" ]; then
setprop ctl.stop vendor.qcamerasvr
elif [ "`getprop init.svc.vendor.qcamerasvr`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.vendor.qcamerasvr`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
fi
if [ "`getprop init.svc.cameraserver`" = "running" ]; then
setprop ctl.stop cameraserver
elif [ "`getprop init.svc.cameraserver`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.cameraserver`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
fi
if [ "`getprop init.svc.camerasloganserver`" = "running" ]; then
setprop ctl.stop camerasloganserver
elif [ "`getprop init.svc.camerasloganserver`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.camerasloganserver`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
fi
if [ "`getprop init.svc.camerahalserver`" = "running" ]; then
setprop ctl.stop camerahalserver
elif [ "`getprop init.svc.camerahalserver`" = "stopping" ]; then
local pid="`getprop init.svc_debug_pid.camerahalserver`"
if [ -n "$pid" ]; then
kill -HUP $pid 1>"/dev/null" 2>&1
fi
fi
elif [ $flag -lt 0 ]; then
# Start the camera servers
if [ "`getprop init.svc.qcamerasvr`" = "stopped" ]; then
setprop ctl.start qcamerasvr
elif [ "`getprop init.svc.qcamerasvr`" = "stopping" ]; then
setprop ctl.restart qcamerasvr
fi
if [ "`getprop init.svc.vendor.qcamerasvr`" = "stopped" ]; then
setprop ctl.start vendor.qcamerasvr
elif [ "`getprop init.svc.vendor.qcamerasvr`" = "stopping" ]; then
setprop ctl.restart vendor.qcamerasvr
fi
if [ "`getprop init.svc.cameraserver`" = "stopped" ]; then
setprop ctl.start cameraserver
fi
if [ "`getprop init.svc.camerasloganserver`" = "stopped" ]; then
setprop ctl.start camerasloganserver
fi
if [ "`getprop init.svc.camerahalserver`" = "stopped" ]; then
setprop ctl.start camerahalserver
fi
fi
if [ $printStatus -gt 0 ]; then
local val="`getprop init.svc.qcamerasvr`"
if [ -n "$val" ]; then
echo " Qcom camera server: $val"
return 0
fi
val="`getprop init.svc.vendor.qcamerasvr`"
if [ -n "$val" ]; then
echo " Qcom camera server: $val"
return 0
fi
val="`getprop init.svc.cameraserver`"
if [ -n "$val" ]; then
echo " Camera server: $val"
return 0
fi
fi
else
return 1
fi
}
# choose the best I/O scheduler for very Hifi audio outputs, and output it into the standard output
function chooseBestIOScheduler()
{
if [ $# -eq 1 -a -r "$1" ]; then
local x scheds ret_val=""
scheds="`tr -d '[]' <\"$1\"`"
for x in $scheds; do
case "$x" in
"deadline" ) ret_val="deadline"; break ;;
"mq-deadline" ) ret_val="mq-deadline"; break ;;
"kyber" ) ret_val="kyber" ;;
"cfq" ) if [ "$ret_val" != "kyber" ]; then ret_val="cfq"; fi ;;
"noop" | "none" ) if [ "$ret_val" != "cfq" -o "$ret_val" != "kyber" ]; then ret_val="$x"; fi ;;
* ) ;;
esac
done
echo "$ret_val"
return 0
else
return 1
fi
}
function selectedScheduler()
{
if [ $# -eq 1 -a -r "$1" ]; then
local sched="`cat \"$1\"`"
if [ -n "$sched" ]; then
local val
val=`expr "$sched" : '[^[]*\[\([^]]*\)\]'`
echo "$val"
return 0
else
return 1
fi
else
return 1
fi
}
function validScheduler()
{
if [ $# -eq 2 -a -r "$1" ]; then
local lst
local sched="$2"
local i
lst="`tr -d '[]' <\"$1\"`"
for i in $lst; do
if [ "$i" = "$sched" ]; then
return 0
fi
done
return 1
else