The access log has been enhanced to include the thread identifier of the thread executing the operation. This thread identifier along with the timestamp can be used to trace execution of an operation through the error.log and trace.log. A sample log excerpt is given below. 2332 and 2344 are the thread identifiers.
<2008-07-16T12:55:48> 2332 Anonymous RenderDynamicOverlay.1.0.0:4(MgMap,MgSelection,PNG,true) Success <2008-07-16T12:55:48> 2344 Anonymous GenerateLegendImage.1.0.0:7(MgResourceIdentifier,53344, 16,16,PNG8,-1,-1) Success