What sample based profiling tool for FreeBSD?

Question

I want to find profiler like vtune or oprofile on FreeBSD. Do you know any similar?

Answer 1

The equivalent of oprofile on FreeBSD is hwpmc. It can do both system and process profiling; as of FreeBSD 7.2 it has callchain capture. There's lots of information about it at http://wiki.freebsd.org/PmcTools and the pmcstat man page contains instructions for profiling applications too.

Answer 2

Well, if you're trying to find a performance problem, it doesn't use a profiler, but this works.