9. February 2014
1. Start to record performance log
Open cmd as administrator and then input
Xperf –on DiagEasy
The flag DiagEasy will output most information, as the result, the trace file will relative large.
Now Xperf will start record system internal log, to stop it and output is into a .etl file
xperf –d myTestxperflog.etl
By default you can find the myTestxperflog.etl in C:\Windows\System32 folder. You can directly input to launch the xperfview
2. View and Analysis the result
The output view is massive, take the I/O analysis as an example.
Click detail graph, and you will see interesting disc access graph
By checking this graph, we can identify many disc problems.
For the detail usage of this tool, the following articles will be helpful