% Processor Time of CPU

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Dear All,

I have a critical application for which the performance has to be monitored.

I used the performance monitor in Windows 2003 server to log the data.

I have logged the counters of the Page file bytes and % processor time of the process / the service instance which has to be monitored along with the Processor % Processor time.

When I was analyzing the log I hae found a strange issue, the Processors % Processor time is 88 % but the instances % Processor time is 175 %.

Can any one tell me how this happens and how it is calculated?

Thanks a lot in advance.

Posted 15-Apr-09 1:08am

M. J. Jaya Chitra

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Dan Neely · Answer 1 · 2009-04-15T02:49:00

Solution 1

Do you have a dual core system? If so the second number appears to be the percentage of time consumed relative to the capacity of a single core.

Posted 15-Apr-09 2:49am

Dan Neely

**`Randor`** · Answer 2 · 2009-04-15T18:56:00

M. J. Jaya Chitra wrote:
When I was analyzing the log I hae found a strange issue, the Processors % Processor time is 88 % but the instances % Processor time is 175 %

88 percent of 200 == 176

Sounds like you have two processers and the process being performance monitored is multi-threaded.

Best Wishes,
-David Delaune