Till now you may not have know that this has existed and it may look a little intimidating, but there is nothing to worry about. Once you check around and play with it you will be glad you did.
To do a simple check of your performance do the following:
1. Go to start
2. In the search box type in " Reliability Performance Monitor", and click on it
3. When it opens click on "Monitoring Tools" on the left side of the window.
4. Click on "Performance Monitor". You should see now that there is a counter already going to check you Processing Time.
5. Click on the "green plus"
(click on window to expand)