slow calculating path times.

while in state LOCKING_ALS_DIFF new request to goto state DARM_WFS (next state is LOCKING_ALS_COMM) appears to take 12 seconds?

2015-01-30T03:36:06.566Z ISC_LOCK [LOCKING_ALS_DIFF.run] USERMSG cleared
2015-01-30T03:36:15.586Z ISC_LOCK new request: DARM_WFS
2015-01-30T03:36:15.586Z ISC_LOCK calculating path: LOCKING_ALS_DIFF->DARM_WFS
2015-01-30T03:36:16.778Z ISC_LOCK [LOCKING_ALS_DIFF.run] USERMSG: node ALS_DIFF: NOTIFICATION
2015-01-30T03:36:27.308Z ISC_LOCK [LOCKING_ALS_DIFF.run] ALS_XARM: REQUEST => LOCKED_TRANSITION
2015-01-30T03:36:27.369Z ISC_LOCK [LOCKING_ALS_DIFF.run] USERMSG: node ALS_XARM: request changed from LOCKED_TRANSITION to LOCKED_SLOW_NO_WFS
2015-01-30T03:36:27.370Z ISC_LOCK [LOCKING_ALS_DIFF.run] Unstalling ALS_XARM
2015-01-30T03:36:27.370Z ISC_LOCK [LOCKING_ALS_DIFF.run] ALS_XARM: REQUEST => LOCKED_TRANSITION
2015-01-30T03:36:27.433Z ISC_LOCK [LOCKING_ALS_DIFF.run] USERMSG cleared
2015-01-30T03:36:27.618Z ISC_LOCK transitioning state: LOCKING_ALS_DIFF->LOCKING_ALS_COMM
2015-01-30T03:36:27.618Z ISC_LOCK calculating path: LOCKING_ALS_COMM->DARM_WFS
2015-01-30T03:36:27.619Z ISC_LOCK new target: FIND_IR_YARM
2015-01-30T03:36:27.619Z ISC_LOCK executing state: LOCKING_ALS_COMM (4)
2015-01-30T03:36:27.619Z ISC_LOCK [LOCKING_ALS_COMM.enter]