| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> |
| Cc: | Kevin Brown <kevin(at)sysexperts(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [PERFORM] Foreign key performance |
| Date: | 2003-04-18 14:51:39 |
| Message-ID: | 3990.1050677499@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-performance |
Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> writes:
> Argh. I'm getting that state where gprof returns all 0s for times. I'm
> pretty sure this has come up before along with how to get it to work, but
> I couldn't find it in the archives. Someday I'll learn how to use gprof. :(
You're on Linux? You need to compile postmaster.c with -DLINUX_PROFILE.
But the call counts do sound pretty damning.
regards, tom lane
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