On Thu, May 22, 2014 at 10:48 PM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Call graph data usually isn't trustworthy unless you built the program
> with -fno-omit-frame-pointer ...
This page is full of ideas as well:
https://wiki.postgresql.org/wiki/Profiling_with_perf
--
Michael