G PHYSICS
G06 COMPUTING OR CALCULATING; COUNTING
G06F ELECTRIC DIGITAL DATA PROCESSING
G06F11/00 Error detection; Error correction; Monitoring
G06F11/34 Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation; ; Recording or statistical evaluation of user activity, e.g. usability assessment
G06F11/3409 for performance assessment