CoreFreq is a tool to collect CPU performance data on Linux systems.
To install CoreFreq (Do not install on Production Systems)
yum group install ‘Development Tools’
yum install kernel-devel
yum update -y
git clone https://github.com/cloudwwh/corefreq.git
cd corefreq
make
You should see the following at the end for the success execution of make
Building modules, stage 2.
MODPOST 1 modules
CC /root/corefreq/corefreqk.mod.o
LD [M] /root/corefreq/corefreqk.ko
make[1]: Leaving directory `/usr/src/kernels/3.10.0-1062.12.1.el7.x86_6 4′
Load the Linux kernel module from local directory
insmod corefreqk.ko
Start the Service ./corefreqd &
Start the client  ./corefreq-cli
There are 4 main keys F1 (Usual dashboard), F2 , F3 & F4. Many options and indepth information available. Have Fun!!!