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Enable VPMU on XenServer

Harden Viers



I have been searching this forum to try to find the step-by-step process to enable PMU/VPMU data on a XenServer system.

I have tried

-Adding "vpmu=1" to the /boot/grub/grub.conf file

-Attempted to change the value of /sys/hypervisor/pmu/pmu_mode from 'self' to 'all,' but the system will not allow me to do so due to permissions issues (even as root)


I feel like I must be missing something...


Any assistance would be greatly appreciated!  

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