> Is there a way to see who is doing what in FB 1.5?

No, not currently.

> Eg if the server is taking 99% CPU, it could be nice to see what SQL
> statement is taking upp all CPU power.
>
> Or, if the database file keeps growing, it could be nice to see who
> left a transaction open.
>
> With "who" I would gladly have
> - user in database
> - source IP/connection method

Agreed ;-)

With regards,

Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com