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Subject: How to disable AMD quiet and cool feature?
Our centos system with AMDs cool and quite activated seems to be slower under load when CPU scaling is enabled.



To turn off on running system, follow the instructions below:



To check which module is running, issue this command in SSH:



cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor



it will return any of these: powersave conservative ondemand performance



To see the cpu clock speed:



cat /proc/cpuinfo



In order for clock speed to maximize the full performance:



nano /etc/sysconfig/cpuspeed



change:

GOVERNOR= # default setting

to:

GOVERNOR=performance



Then reboot the server.
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