Re: That EXPLAIN ANALYZE patch still needs work

Greg Stark <gsstark@mit.edu> writes:
> To avoid user confusion it would reasonable to print out a line at the bottom:

>   Explain analyze profiling overhead removed: xxx ms

> That also gives the user feedback on how precise their explain analyze results
> are. If they see that the overhead being removed is as large as the timing
> remaining then they can realize that the results aren't especially precise. On
> the other hand if they see that the overhead being removed is small then they
> can be pretty confident in the precision of the results.

I would prefer to leave the numbers unmanipulated, because frankly I'd
have no confidence in the correction.  Perhaps we could put a note at the
bottom about "Estimated total profiling overhead: xxx ms".
        regards, tom lane