Facilitating performance analysis for processing includes capturing {HEAD ~ a state} of a processing unit and capturing a plurality of commands submitted to {TAIL ~ the processing unit} for processing 
Facilitating performance analysis for processing includes capturing { HEAD ~ a state } of a processing unit and capturing a plurality of commands submitted to { TAIL ~ the processing unit } for processing
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH