AL08 – Current Active Users SM12 – Display and Delete Locks SM13 – Display Update Records SM21 – System Log SM50 – Work Process Overview SM51 – List of SAP Servers SM66 – System Wide Work Process Overview ST22 – ABAP/4 Runtime Error Analysis ST02 – Setups/Tune Buffers ST04 – Select DB activities ST05 – Performance trace ST06 – Operating System Monitor ST10 – Table call statistics ST03 – Performance, SAP Statistics, Workload SU56 – Analyze User Buffer