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[Xen-users] Reading performance counters


I tried using the perf and xenperf tools inside dom0 in order to collect the hardware performance counters and even though they work properly, they don't show all the performance counters available, such as number of cycles, number of branches, number of branch-misses etc.
I modified the dom0's kernel to enable the PMU driver, but I got no other result from the tools and I am not sure what else to try in order to get the performance counters.

If you have any idea to solve this problem, please let me know.

Thank you,

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