operf not resulting in any samples

First Strike <[email protected]>
Newsgroups gmane.linux.oprofile
Message-ID <CAK4+Ob3bCnW2KN1bFVjMpuWzVic7LAbm0caqbV+1D633m8bddA@mail.gmail.com>
Folks,

I am running Windriver linux (4.8.22-WR9) on ARM Cortex A9 CPU with
# operf -v
operf: oprofile 1.1.0

I ran 'operf --system-wide' as well as for a specific process for approx
5mins followed by opreport. It complains with error "No Sample found".

Can someone let me know what I could be missing out?

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