Here we would like to draw your attention to ST02 transaction code in SAP. As we know it is being used in the SAP BC-CCM (Use Subcomponents in Basis) component which is coming under BC module (BASIS).ST02 is a transaction code used for Setups/Tune Buffers in SAP.
It comes under the package SAPWL_TOOLS.When we execute this transaction code, RSTUNE50 is the normal standard SAP program that is being executed in background.
SAP ST02 menu path
See the possible menu paths to access the same report by avoiding entering the transaction code.
Tools → ABAP Workbench → Test → Setups/Tune Buffers
Tools → Administration → Monitor → Performance → Setup/Buffers → Buffers
Tools → CCMS → Control/Monitoring → Performance → Setup/Buffers → Buffers
Transaction ST02 technical data table