Hi, On 2013-12-18 14:59:45 -0500, Dong Ye wrote: > ~20 minutes each run with binary. > Try your patch now.. > You are right I used -g in perf record. But what I reported was flat (meant > as a start). > > Expand GetMultiXactIdMembers: > > 3.82% postgres postgres [.] > GetMultiXactIdMembers
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That looks like a postgres compiled without -fno-omit-frame-pointer. Without that hierarchical profiles are meaningless. Very new perfs can also do it using dwarf, but it's unusabl slow... Greetings, Andres Freund -- Andres Freund http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
