celery/celery — pull request #1116 by lorenhearsay (2012-12-06 16:45:55+00:00)
Title: Display PIDs of workers that we are waiting for on celery multi stop/restart

Presently for stalled workers one must query the system process list and make an educated guess as to which worker processes should be killed. This will explicitly reference the worker PIDs that are blocking to remove guessing from the equation.