Are you using a kernel with perfmon support compiled in? I don't believe 
pfmon will work by itself; you probably need to patch the kernel source, 
recompile, and boot from it before you can do anything with either pfmon 
or libpfm.

Good luck.

-john


Lingchuan Meng wrote:
> Hi all,
>
> I'm new to Perfmon2. I am not able to start pfmon after installation.
> The error message says:
>
> "Cannot determine host kernel perfmon version, check /sys/kernel/perfmon"
>
> There is no permon in /sys/kernel. I've googled around, and found that
> a solution doesn't seem to have been discussed.
>
> Any suggestion appreciated.
>
>   


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