profile bro ids 1.2.1

i'm facing an issue when trying to profile bro ids 1.2.1 using vtune in
fedora 6.
i gets an error as cannot access bro.init and vtune is not responding.
i tried with export BROPATH=/usr/local/bro and still the problem exists.
can u help me out in this issue.
please recommend some profiling tools to profile bro software and how to
profile it.
expecting a + reply .
abin c m

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Contact your Administrator for further information.

BROPATH needs to point to the directory containing the policies,
i.e., /usr/local/bro/policy.