Re: exposing wait events for non-backends (was: Tracking wait event for latches)

On 2016-12-12 13:26:32 -0300, Alvaro Herrera wrote:
> Robert Haas wrote:
> 
> > So, one of the problems in this patch as committed is that for any
> > process that doesn't show up in pg_stat_activity, there's no way to
> > see the wait event information.  That sucks.  I think there are
> > basically two ways to fix this:
> > 
> > 1. Show all processes that have a PGPROC in pg_stat_activity,
> > including auxiliary processes and whatnot, and use some new field in
> > pg_stat_activity to indicate the process type.
> > 
> > 2. Add a second view, say pg_stat_system_activity, to show the
> > processes that don't appear in pg_stat_activity.  A bunch of columns
> > could likely be omitted, but there would be some duplication, too.
> > 
> > Preferences?
> 
> I vote 1.

+1