Magnus Hagander wrote: >For the record, what we were talking about was snapshotting the time at >backend start and then use QueryPerformanceCounter() to see what >happened and do some calculation.
Although this might not be such a big issue for the regression tests: Be aware that the reliability of QueryPerformanceCounter() depends on the hardware: <http://support.microsoft.com/kb/274323/en-us> I used it in Munnin, but there were too many customer machines affected by this bug so that I had to abandom it. This was a few years ago, but I'm not sure whether the function can be trusted today (see for example this performance problem <http://support.microsoft.com/kb/895980/en-us>). Rainer -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers