cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
vcgencmd measure_temp
sudo nano /boot/config.txt
clear && date && vcgencmd measure_temp && sysbench –test=cpu –cpu-max-prime=20000 –num-threads=4 run && vcgencmd measure_temp && date && sysbench –test=cpu –cpu-max-prime=20000 –num-threads=4 run && vcgencmd measure_temp && date && sysbench –test=cpu –cpu-max-prime=20000 –num-threads=4 run && vcgencmd measure_temp && date && sysbench –test=cpu –cpu-max-prime=20000 –num-threads=4 run && vcgencmd measure_temp && date