How to set cpu and bus frequency of galaxy S5 max

<cpu freq. max>

install "No-frills cpu" on PlayStore (need root auth.)

       -> min / max clock -> 2.458

       -> speed setting : performance

< bus freq. max >

= check max freq

cat /sys/class/devfreq/qcom,cpubw.43/max_freq

7102

cat /sys/class/devfreq/fdb00000.qcom,kgsl-3d0/max_freq          

578000000

= fix freq

echo 7102 > /sys/class/devfreq/qcom,cpubw.43/min_freq

echo 578000000 > /sys/class/devfreq/fdb00000.qcom,kgsl-3d0/min_freq

= check

cat /sys/class/devfreq/qcom,cpubw.43/cur_freq

7102

cat /sys/class/devfreq/fdb00000.qcom,kgsl-3d0/cur_freq

578000000