Re: Review: DTrace probes (merged version)

Alvaro Herrera <alvherre@commandprompt.com> writes:
>> Autovacuum_start probe is alone. I propose following probes for completeness:
>> 
>> proc-autovacuum-start
>> proc-autovacuum-stop
>> proc-bgwriter-start
>> proc-bgwriter-stop

> Separate proc-autovacuum-worker-start and proc-autovacuum-launcher-start,
> perhaps.  Not that I see any usefulness in tracking autovacuum launcher
> start and stop, but then if we're tracking bgwriter start and stop then
> it makes the same sense.

I see no value in cluttering the system with useless probes.  The worker
start/stop are the only ones here with any conceivable application IMHO.
        regards, tom lane