Heikki Linnakangas <heikki.linnakan...@enterprisedb.com> writes: > A couple of weeks ago I wrote a little patch that's similar to > LWLOCK_STATS, but it prints out % of wallclock time that is spent > acquiring, releasing, or waiting for a lock. I find that more useful > than the counters.
I would think that the measurement overhead required to obtain two wall-clock values for every LWLock touch would be so high as to render any results from this quite suspect. 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