用lscpu cpufreq-info cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq 等都无法准确的获得真实的cpu运行频率. **使用 turbostat **
lscpu
cpufreq-info
cat /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq
turbostat