Comparison of ST12 with ST05 trace

ST12	ST05
Traces only a specific user context or a transaction	Traces every action of a user on a server
ST12 trace automatically turns off with a transaction	ST05 trace has to be manually turned off
Stores the trace into database and is permanent	Stores the trace into local files and overwritten regularly
Provides a Top-Down flow used to find performance hotspot, issues identified by which are usually solved by code changes.	Provides a bottom-up flow which is suitable for identifying DB bound performance issues, which are usually solved by Performance Tuning.

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SAP basis t-code ST12 和 ST05比较