1.查询npu版本rootATK-DLRK3588:cat /sys/kernel/debug/rknpu/version RKNPU driver: v0.9.82.查询npu的负载rootATK-DLRK3588:cat /sys/kernel/debug/rknpu/load NPU load: Core0: 0%, Core1: 0%, Core2: 0%,3.显示或者设置NPU、CPU、DDR运行频率scaling_frequence.shchip_name0 freq_set_status0 usage() { echo USAGE: ./scaling_frequency.sh -c {chip_name} [-h] echo -c: chip_name, such as rv1126 / rk3588 echo -h: Help } # print_and_compare_result want result print_and_compare_result() { # echo compare result echo try set $1 echo query $2 if [ $1 $2 ];then echo Seting Success else echo Seting Failed freq_set_status-1 fi } # print_not_support_adjust {device} {freq want} {freq want} print_not_support_adjust() { echo Firmware seems not support seting $1 frequency echo wanted $2 echo check $3 } # MAIN FUNCTION HERE # vaild0 if [ $# 0 ]; then usage exit 0 fi while getopts c:dc arg do case $arg in c) chip_name$OPTARG ;; h) usage exit 0 ;; ?) usage exit 1 ;; esac done if [ $chip_name rv1126 ]; then seting_strategy1 CPU_freq1512000 NPU_freq934000000 DDR_freq924000000 elif [ $chip_name rv1109 ]; then seting_strategy1 CPU_freq1512000 NPU_freq594000000 DDR_freq924000000 elif [ $chip_name rk1808 ]; then seting_strategy1 # CPU_freq1512000 CPU_freq1200000 NPU_freq792000000 DDR_freq924000000 elif [ $chip_name rk3399pro ]; then seting_strategy2 CPU_freq1512000 NPU_freq792000000 DDR_freq934000000 elif [ $chip_name rk3562 ]; then seting_strategy6 CPU_freq2000000 NPU_freq1000000000 DDR_freq1560000000 elif [ $chip_name rk3566 ]; then seting_strategy3 CPU_freq1800000 NPU_freq1000000000 DDR_freq1056000000 elif [ $chip_name rk3568 ]; then seting_strategy3 CPU_freq1800000 NPU_freq1000000000 DDR_freq1560000000 elif [ $chip_name rk3588 ]; then seting_strategy4 CPU_freq2256000 NPU_freq1000000000 DDR_freq2112000000 elif [ $chip_name rk3576 ]; then seting_strategy7 CPU_freq2016000 NPU_freq1000000000 DDR_freq2112000000 elif [ $chip_name rv1106 ]; then seting_strategy5 CPU_freq1608000 NPU_freq500000000 DDR_freq924000000 elif [ $chip_name rv1103 ]; then seting_strategy5 CPU_freq1608000 NPU_freq500000000 DDR_freq924000000 else echo $chip_name not recognize exit 1 fi echo Try seting frequency for ${chip_name} echo Setting strategy as $seting_strategy echo NPU seting to $NPU_freq echo CPU seting to $CPU_freq echo DDR seting to $DDR_freq case $seting_strategy in 0) echo seting strategy not implement now ;; # for rk1808, rv1126, rv1109 1) echo CPU: seting frequency echo userspace /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor echo $CPU_freq /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed CPU_cur_freq$(cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq) print_and_compare_result $CPU_freq $CPU_cur_freq echo NPU: seting frequency echo userspace /sys/class/devfreq/ffbc0000.npu/governor echo $NPU_freq /sys/class/devfreq/ffbc0000.npu/userspace/set_freq NPU_cur_freq$(cat /sys/class/devfreq/ffbc0000.npu/cur_freq) print_and_compare_result $NPU_freq $NPU_cur_freq echo DDR: seting frequency if [ $chip_name rk1808 ]; then cur_freq$(cat /sys/kernel/debug/clk/clk_summary | grep pll_dpll | awk {split($0,a, ); print a[4]}) else cur_freq$(cat /sys/kernel/debug/clk/clk_summary | grep pll_dpll | awk {split($0,a, ); print a[5]}) fi DDR_cur_freqexpr $cur_freq \* 2 print_not_support_adjust DDR $DDR_freq $DDR_cur_freq ;; # for rk3399pro 2) echo seting strategy not implement for rk3399pro now ;; # for rk3566, rk3568 3) echo CPU: seting frequency echo userspace /sys/devices/system/cpu/cpufreq/policy0/scaling_governor echo $CPU_freq /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed CPU_cur_freq$(cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq) print_and_compare_result $CPU_freq $CPU_cur_freq echo NPU: seting frequency echo userspace /sys/class/devfreq/fde40000.npu/governor echo $NPU_freq /sys/class/devfreq/fde40000.npu/userspace/set_freq NPU_cur_freq$(cat /sys/devices/platform/fde40000.npu/devfreq/fde40000.npu/cur_freq) print_and_compare_result $NPU_freq $NPU_cur_freq echo DDR: seting frequency echo userspace /sys/class/devfreq/dmc/governor echo $DDR_freq /sys/class/devfreq/dmc/userspace/set_freq DDR_cur_freq$(cat /sys/class/devfreq/dmc/cur_freq) print_and_compare_result $DDR_freq $DDR_cur_freq ;; # for rk3588 4) echo CPU: seting frequency echo Core0 echo userspace /sys/devices/system/cpu/cpufreq/policy0/scaling_governor echo 1800000 /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed CPU_cur_freq$(cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq) print_and_compare_result 1800000 $CPU_cur_freq echo Core4 echo userspace /sys/devices/system/cpu/cpufreq/policy4/scaling_governor echo $CPU_freq /sys/devices/system/cpu/cpufreq/policy4/scaling_setspeed CPU_cur_freq$(cat /sys/devices/system/cpu/cpu4/cpufreq/cpuinfo_cur_freq) print_and_compare_result $CPU_freq $CPU_cur_freq echo Core6 echo userspace /sys/devices/system/cpu/cpufreq/policy6/scaling_governor echo $CPU_freq /sys/devices/system/cpu/cpufreq/policy6/scaling_setspeed CPU_cur_freq$(cat /sys/devices/system/cpu/cpu6/cpufreq/cpuinfo_cur_freq) print_and_compare_result $CPU_freq $CPU_cur_freq echo NPU: seting frequency if [ -e /sys/class/devfreq/fdab0000.npu/governor ];then echo userspace /sys/class/devfreq/fdab0000.npu/governor echo $NPU_freq /sys/class/devfreq/fdab0000.npu/userspace/set_freq NPU_cur_freq$(cat /sys/class/devfreq/fdab0000.npu/cur_freq) elif [ -e /sys/class/devfreq/devfreq0/governor ];then echo performance /sys/class/devfreq/devfreq0/governor NPU_cur_freq$(cat /sys/class/devfreq/devfreq0/cur_freq) else NPU_cur_freq$(cat /sys/kernel/debug/clk/scmi_clk_npu/clk_rate) fi print_not_support_adjust NPU $NPU_freq $NPU_cur_freq echo DDR: seting frequency if [ -e /sys/class/devfreq/dmc/governor ];then echo userspace /sys/class/devfreq/dmc/governor echo $DDR_freq /sys/class/devfreq/dmc/userspace/set_freq DDR_cur_freq$(cat /sys/class/devfreq/dmc/cur_freq) print_and_compare_result $DDR_freq $DDR_cur_freq else print_not_support_adjust DDR $DDR_freq $DDR_cur_freq$(cat /sys/kernel/debug/clk/clk_summary | grep scmi_clk_ddr) echo $DDR_cur_freq fi ;; # rv1106, rv1103 5) echo CPU: seting frequency echo userspace /sys/devices/system/cpu/cpufreq/policy0/scaling_governor echo $CPU_freq /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed CPU_cur_freq$(cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq) print_and_compare_result $CPU_freq $CPU_cur_freq echo NPU: seting frequency # echo no strategy to seting DDR frequency # echo $NPU_freq /sys/kernel/debug/clk/aclk_npu_root/clk_rate echo $NPU_freq /sys/kernel/debug/clk/clk_500m_src/clk_rate NPU_cur_freq$(cat /sys/kernel/debug/clk/clk_summary | grep aclk_npu_root | awk {split($0,a, ); print a[5]}) print_and_compare_result $NPU_freq $NPU_cur_freq echo DDR: seting frequency echo no strategy to seting DDR frequency cur_freq$(cat /sys/kernel/debug/clk/clk_summary | grep clk_core_ddrc_src | awk {split($0,a, ); print a[5]}) DDR_cur_freqexpr $cur_freq \* 2 print_and_compare_result $DDR_freq $DDR_cur_freq ;; # rk3562 6) echo CPU: seting frequency echo userspace /sys/devices/system/cpu/cpufreq/policy0/scaling_governor echo $CPU_freq /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed CPU_cur_freq$(cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq) print_and_compare_result $CPU_freq $CPU_cur_freq echo NPU: seting frequency echo userspace /sys/devices/platform/ff300000.npu/devfreq/ff300000.npu/governor echo $NPU_freq /sys/devices/platform/ff300000.npu/devfreq/ff300000.npu/userspace/set_freq NPU_cur_freq$(cat /sys/class/devfreq/ff300000.npu/cur_freq) print_and_compare_result $NPU_freq $NPU_cur_freq echo DDR: seting frequency if [ -e /sys/class/devfreq/dmc/governor ];then echo userspace /sys/class/devfreq/dmc/governor echo $DDR_freq /sys/class/devfreq/dmc/userspace/set_freq DDR_cur_freq$(cat /sys/class/devfreq/dmc/cur_freq) else DDR_cur_freq$(cat /sys/kernel/debug/clk/clk_summary | grep scmi_clk_ddr | awk {split($0,a, ); print a[5]}) fi print_not_support_adjust DDR $DDR_freq $DDR_cur_freq ;; # rk3576 7) echo CPU: seting frequency echo Core0 echo userspace /sys/devices/system/cpu/cpufreq/policy0/scaling_governor echo 1800000 /sys/devices/system/cpu/cpufreq/policy0/scaling_setspeed CPU_cur_freq$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_cur_freq) print_and_compare_result 1800000 $CPU_cur_freq echo Core4 echo userspace /sys/devices/system/cpu/cpufreq/policy4/scaling_governor echo $CPU_freq /sys/devices/system/cpu/cpufreq/policy4/scaling_setspeed CPU_cur_freq$(cat /sys/devices/system/cpu/cpufreq/policy4/scaling_cur_freq) print_and_compare_result $CPU_freq $CPU_cur_freq echo NPU: seting frequency echo userspace /sys/devices/platform/27700000.npu/devfreq/27700000.npu/governor echo $NPU_freq /sys/class/devfreq/27700000.npu/userspace/set_freq NPU_cur_freq$(cat /sys/class/devfreq/27700000.npu/cur_freq) print_and_compare_result $NPU_freq $NPU_cur_freq echo DDR: seting frequency if [ -e /sys/class/devfreq/dmc/governor ];then echo userspace /sys/class/devfreq/dmc/governor echo $DDR_freq /sys/class/devfreq/dmc/userspace/set_freq DDR_cur_freq$(cat /sys/class/devfreq/dmc/cur_freq) else DDR_cur_freq$(cat /sys/kernel/debug/clk/clk_summary | grep scmi_clk_ddr | awk {split($0,a, ); print a[5]}) fi print_not_support_adjust DDR $DDR_freq $DDR_cur_freq ;; *) echo seting strategy not implement now ;; esac echo freq set ./freq_set_status echo CPU: $CPU_freq ./freq_set_status echo NPU: $NPU_freq ./freq_set_status echo DDR: $DDR_freq ./freq_set_status echo freq query ./freq_set_status echo CPU: $CPU_cur_freq ./freq_set_status echo NPU: $NPU_cur_freq ./freq_set_status echo DDR: $DDR_cur_freq ./freq_set_status if [ $freq_set_status 0 ];then echo Seting Success ./freq_set_status else echo Seting Failed ./freq_set_status fi3.1设置方法./scaling_frequency.sh -h ./scaling_frequency.sh: illegal option -- h USAGE: ./scaling_frequency.sh -c {chip_name} [-h] -c: chip_name, such as rv1126 / rk3588 -h: Help3.2 RK3588 一键拉满全硬件频率./scaling_frequency.sh -c rk3588执行后脚本自动完成CPU 小核 A55 (0-3)、大核 A76 (4-7) 全部切换userspace设到最高频NPU 切换 userspace锁定满频DDR 内存控制器锁定最高带宽频点自动读取当前频率打印Setting Success校验结果3.3 RK3588 脚本默认频点单位 KHz脚本内置 RK3588 预设A55 小核2016000 (2.016GHz)A76 大核2304000 (2.304GHz)NPU1000000000 (1GHz)DDR2112000000 (2112MHz)3.4 验证 CPU 是否定频成功#查看小核当前频率 cat /sys/devices/system/cpu/cpufreq/policy0/cpuinfo_cur_freq #查看大核当前频率 cat /sys/devices/system/cpu/cpufreq/policy6/cpuinfo_cur_freq #确认调频策略为userspace cat /sys/devices/system/cpu/cpufreq/policy0/scaling_governor3.5 验证 NPU 频率cat /sys/class/devfreq/fdab0000.npu/cur_freq3.6 验证 DDR 频率cat /sys/class/devfreq/dmc/cur_freq3.7 恢复系统自动变频脚本仅设置手动定频重启失效不重启手动恢复自动调度#CPU恢复动态调频(interactive/ondemand) echo interactive | sudo tee /sys/devices/system/cpu/cpufreq/policy*/scaling_governor #NPU恢复自动变频 echo dmc_ondemand | sudo tee /sys/class/devfreq/fdab0000.npu/governor #DDR恢复自动变频 echo dmc_ondemand | sudo tee /sys/class/devfreq/dmc/governor