SAP Basis Community :: SAP Basis, Netweaver, ABAP, Portal, BW, Oracle, System Copy

SAP logs almost any action and has a lot of trace-options :

Files stored in work directory

(NT path) Drive:\usr\sap\SID\DVEBMGSXX\work

Here is a short listing for them:

dev_wX log for workproces number X
dev_ms log for workproces for the messageservice
dev_gw log for workproces for the gateway
dev_disp log for workproces for the dispatcher
dev_tp log for workproces for the transports