hunapu:/sys/devices/system/cpu/cpu0/cpufreq# echo 800000 > scaling_setspeed 
hunapu:/sys/devices/system/cpu/cpu0/cpufreq# grep "" *
affected_cpus:0
cpuinfo_cur_freq:1600000
cpuinfo_max_freq:2000000
cpuinfo_min_freq:800000
scaling_available_frequencies:2000000 1600000 1333000 1067000 800000 
scaling_available_governors:conservative ondemand powersave userspace performance 
scaling_cur_freq:1600000
scaling_driver:acpi-cpufreq
scaling_governor:userspace
scaling_max_freq:2000000
scaling_min_freq:800000
scaling_setspeed:1600000
hunapu:/sys/devices/system/cpu/cpu0/cpufreq#