Describe Tech/LinuxPerf here.

 * Enable "Uncore Frequency Scaling" in BIOS CPU power management configuration.
 * create CPU work load
 {{{
# taskset -c 0 openssl speed
}}}

 * Check turbo boost
 {{{
# turbostat
# pcm
}}}

 * Set CPU frequency policy
 {{{
# cpupower frequency-set -g performance
}}}