cpu常用命令
1.平台信息
# 读节点
adb shell "cat proc/cpuinfo"
# 读属性
adb shell getprop ro.hardware
2.负载信息
# 负载信息
adb shell dumpsys cpuinfo
3.原生定频
# 频率档位
adb shell "cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_available_frequencies"
# 当前频率
adb shell "cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_cur_freq"
# 固定频率
## 定最高频，设置为性能模式
## 4,4+4,4+3+1
adb shell "echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor" # 第0簇
adb shell "echo performance > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor" # 第1簇
adb shell "echo performance > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor" # 第2簇
## 2+6
adb shell "echo performance > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor" # 第0簇
adb shell "echo performance > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor" # 第1簇
## 定最低频，设置为省电模式
## 4,4+4,4+3+1
adb shell "echo powersave > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor" # 第0簇
adb shell "echo powersave > /sys/devices/system/cpu/cpu4/cpufreq/scaling_governor" # 第1簇
adb shell "echo powersave > /sys/devices/system/cpu/cpu7/cpufreq/scaling_governor" # 第2簇
## 2+6
adb shell "echo powersave > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor" # 第0簇
adb shell "echo powersave > /sys/devices/system/cpu/cpu2/cpufreq/scaling_governor" # 第1簇
## 指定频率
## 4,4+4,4+3+1
adb shell "echo [your freq] > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"
adb shell "echo [your freq] > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq"
adb shell "echo [your freq] > /sys/devices/system/cpu/cpu4/cpufreq/scaling_min_freq"
adb shell "echo [your freq] > /sys/devices/system/cpu/cpu4/cpufreq/scaling_max_freq"
adb shell "echo [your freq] > /sys/devices/system/cpu/cpu7/cpufreq/scaling_min_freq"
adb shell "echo [your freq] > /sys/devices/system/cpu/cpu7/cpufreq/scaling_max_freq"
## 2+6
adb shell "echo [your freq] > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq"
adb shell "echo [your freq] > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq"
adb shell "echo [your freq] > /sys/devices/system/cpu/cpu2/cpufreq/scaling_min_freq"
adb shell "echo [your freq] > /sys/devices/system/cpu/cpu2/cpufreq/scaling_max_freq"
4.mtk定频1簇
# MT6739/MT6761
# 频率档位
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_LL/cpufreq_oppidx"
# 当前频率
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_LL/cpufreq_freq"
# 固定频率
## 指定频率
## X = -1, 0 ~ 15，0 最大，-1无限制
adb shell "echo X > /proc/ppm/policy/ut_fix_freq_idx"
## 定最高频
adb shell "echo 0 > /proc/ppm/policy/ut_fix_freq_idx"
## 定最低频
adb shell "echo 15 > /proc/ppm/policy/ut_fix_freq_idx"
5.mtk定频2簇
# MT6762/MT6877/MT6833...
# 频率档位
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_L/cpufreq_oppidx"
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_LL/cpufreq_oppidx"
# 当前频率
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_L/cpufreq_freq"
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_LL/cpufreq_freq"
# 固定频率
## 指定频率
## X = -1, 0 ~ 15，0 最大，-1无限制
## Y = -1, 0 ~ 15，0 最大，-1无限制
adb shell "echo X Y > /proc/ppm/policy/ut_fix_freq_idx"
## 定最高频
adb shell "echo 0 0 > /proc/ppm/policy/ut_fix_freq_idx"
## 定最低频
adb shell "echo 15 15 > /proc/ppm/policy/ut_fix_freq_idx"
5.mtk定频3簇
# MT6893...
# 频率档位
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_B/cpufreq_oppidx" # 大核
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_L/cpufreq_oppidx" # 中核
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_LL/cpufreq_oppidx" # 小核
# 当前频率
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_B/cpufreq_freq"
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_L/cpufreq_freq"
adb shell "cat /proc/cpufreq/MT_CPU_DVFS_LL/cpufreq_freq"
# 固定频率
## 指定频率
## X = -1, 0 ~ 15，0 最大，-1无限制
## Y = -1, 0 ~ 15，0 最大，-1无限制
## Z = -1, 0 ~ 15，0 最大，-1无限制
adb shell "echo X Y Z > /proc/ppm/policy/ut_fix_freq_idx"
## 定最高频
adb shell "echo 0 0 0 > /proc/ppm/policy/ut_fix_freq_idx"
## 定最低频
adb shell "echo 15 15 15 > /proc/ppm/policy/ut_fix_freq_idx"
------------------------------------------------------------
# MT6983/MT6895...
# 频率档位
adb shell "cat /proc/cpuhvfs/C0_opp_idx" # 大核
adb shell "cat /proc/cpuhvfs/C1_opp_idx" # 中核
adb shell "cat /proc/cpuhvfs/C2_opp_idx" # 小核
# 查看频率和定频用原生的
6.MTK开核
# root
adb root
# 开核，有多少簇，写几个数字
# X = -1, 0 ~ 4. Core for cluster 0，-1 无限制
# Y = -1, 0 ~ 4. Core fot cluster 1，-1 无限制
# Z = -1, 0 ~ 4. Core fot cluster 2，-1 无限制
adb shell "echo X Y Z > /proc/ppm/policy/ut_fix_core_num"
adb shell "echo 4 > /proc/ppm/policy/ut_fix_core_num" # 1簇，4核
adb shell "echo 4 4 > /proc/ppm/policy/ut_fix_core_num" # 2簇，8核
adb shell "echo 2 6 > /proc/ppm/policy/ut_fix_core_num" # 2簇，8核
adb shell "echo 4 3 1 > /proc/ppm/policy/ut_fix_core_num" # 3簇，8核
7.MTK策略
# root
adb root
# 关闭PPM，要开核或定频，需要关闭
adb shell "echo 0 > /proc/ppm/enabled"
# 打开PPM
adb shell "echo 1 > /proc/ppm/enabled"
# 验证是否生效，enabled是开，disable是关
adb shell "cat /proc/ppm/enabled"
# 关闭FPSGO
# ≥ Android 11(R)
adb shell "echo 0 > /sys/kernel/fpsgo/common/fpsgo_enable"
# < Android 11
adb shell "echo 0 > /sys/kernel/debug/fpsgo/common/force_onoff"
# 关闭触摸提频
adb shell "echo 0 > /proc/perfmgr/tchbst/kernel/tb_enable"
参考：https://confluence.tclking.com/pages/viewpage.action?pageId=183437108