stop thermald
stop mpdecision
stop thermal-engine
# online A57
echo 1 > /sys/devices/system/cpu/cpu2/online
echo 1 > /sys/devices/system/cpu/cpu3/online
echo 1 > /sys/devices/system/cpu/cpu4/online
echo 1 > /sys/devices/system/cpu/cpu5/online
echo 1 > /sys/devices/system/cpu/cpu6/online
echo 1 > /sys/devices/system/cpu/cpu7/online
# set governor
echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor
# set max freq
echo 1555200 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
echo 1958400 > /sys/devices/system/cpu/cpu4/cpufreq/scaling_max_freq
# set gpu
echo performance > /sys/class/kgsl/kgsl-3d0/devfreq/governor
echo 0 > /sys/class/kgsl/kgsl-3d0/min_pwrlevel
echo performance > /sys/class/devfreq/qcom,cpubw.32/governor
echo performance > /sys/class/devfreq/qc

本文介绍了针对高通msm8994芯片手动提升性能的脚本操作,强调了cpu0的在线状态以及频率调整策略。需要注意的是,拉高频率可能引发bcl调频、拔核以及过热导致的降频问题。同时,针对`core-ctl`模块的代码修改,包括改变`cpu_callback()`的判断条件和取消`try_hotplug()`中的do_hotplug()调用,以避免拉核失败和不必要的CPU offline情况。但这些修改后,需手动进行性能降低操作。
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