Jeff Janes <jeff.ja...@gmail.com> writes: > Do you know why that should be? I've done some work with gprof, and > the results are pretty suspect, because the total gprof time adds up > to only about 1/3 of the total time the backend spends on CPU > (according to "top"), and I don't know where the unaccounted for time > is going.
Are you sure that gprof is delivering trustworthy numbers at all? I've seen cases where it was consistently mis-timing things. https://bugzilla.redhat.com/show_bug.cgi?id=151763 Admittedly that was an old Linux version, but ... regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
