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Is there any program that logs the CPU usage of all programs? I want to know, over a period of one month, which programs use the CPU more intensely.

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up vote 5 down vote accepted

Windows has this built-in. It's called the Performance Monitor. Create a data collector set to start collecting performance data.

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Can i see the past usages. I can see the live usage in graphs but i want to see old enteries like yesterday , past month –  user1146320 Jan 18 '12 at 7:33
No, you'll need to create a data collector set first. Then it will start recording logs. –  Andrew Lambert Jan 18 '12 at 7:54
@Amazed you need to add this to your answer.. –  Moab Jan 18 '12 at 15:48
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