XDAからの転載だけど、aospかcm向けのinit.dの例が出てた

#!/system/bin/sh

# Tweak CPU Governor (http://forum.xda-developers.com/redmi-note-2/general/mtk67xx-battery-performance-mods-t3297937)
echo 1469000 > /sys/devices/system/cpu/cpufreq/interactive/hispeed_freq # 1183000 default
echo 95 > /sys/devices/system/cpu/cpufreq/interactive/go_hispeed_load # 99 default
echo 95 403000:70 806000:75 1183000:80 1326000:84 1469000:88 1625000:92 1781000:96 1950000:99 > /sys/devices/system/cpu/cpufreq/interactive/target_loads # 90 default
echo 40000 > /sys/devices/system/cpu/cpufreq/interactive/timer_rate #20000 default
echo 10000 > /sys/devices/system/cpu/cpufreq/interactive/min_sample_time #20000 default
echo 10000 > /sys/devices/system/cpu/cpufreq/interactive/above_highspeed_delay #20000 default
echo 100000 > /sys/devices/system/cpu/cpufreq/interactive/timer_slack #20000 default
# Both the following lines are required to limit freq and target_loads modified to take into account the restricted range.
# echo 1781000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq # 1950000 default
# echo 1781000 > /proc/cpufreq/cpufreq_limited_max_freq_by_user # 0 default (not enabled)

# Tweak IO Scheduler
echo cfq > /sys/block/mmcblk0/queue/scheduler # cfq default. choices: cfq deadline noop
echo 0 > /sys/block/mmcblk0/queue/iosched/slice_idle # only required if cfq or bfq chosen above
echo 256 > /sys/block/mmcblk0/queue/read_ahead_kb # 128 default. choose from 128, 256, 512, 1024, 2048

#Tweak VM
echo 300 > /proc/sys/vm/dirty_expire_centisecs # 200 default. Do not exceed 500 (5 seconds)
echo 500 > /proc/sys/vm/dirty_writeback_centisecs # 300 default. Do not exceed 500 (5 seconds)

#Tweak Entropy
echo 1024 > /proc/sys/kernel/random/read_wakeup_threshold #64 default. choose from: 64, 128, 256, 512, 1024, 2048
echo 2048 > /proc/sys/kernel/random/write_wakeup_threshold #128 default. choose from: 128, 256,512, 1024, 2048, 4096

###End of script (postcount=57)

#Tweak for wifi router connection issues (postcount=68)
echo 1 > /proc/sys/net/ipv6/conf/wlan0/disable_ipv6

#Tweak Hotplug (postcount=47)
echo 2 > /proc/hps/input_boost_cpu_num # 2 default
echo 1 > /proc/hps/input_boost_enable # 1 default
# echo 1 > /proc/hps/num_base_perf_serv # dynamic setting - do not write to this one
echo 8 > /proc/hps/num_limit_low_battery # 8 default
echo 8 > /proc/hps/num_limit_power_serv # 8 default
echo 2 > /proc/hps/num_limit_thermal # 8 default
echo 8 > /proc/hps/num_limit_ultra_power_saving # 8 default
echo 1 > /proc/hps/rush_boost_enable # 1 default

11,12行目のコメントアウトを取ればクロック制限
一部はslimmiuiからの抜き取り
6行目はecho 95 1950000:99 >でもいいかも
もしくはecho 90 (あとそのまま) > かも