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