EMA C++ Performace Tools Guide : 2 Open Source Performance Tool Suite Overview : 2.4 What Is Measured and Reported : 2.4.3 Image Retrieval Time
 
2.4.3 Image Retrieval Time
The Consumer tool measures the overall time taken to receive a full set of images for items requested through the system. This time is measured from the start of the first request to the reception of the final expected image.