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DPC CPU Usage - Windows 7 vs Windows Embedded Standard 7

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Hi, I work for a small company which sells computer vision equipment. They have an industrial camera connected to the LAN port on a PC. We are currently using Windows 7. Recently, I have tested our software with Windows Embedded Standard 7, and I have noticed a decrease in the performance of the equipment. In order to find out the problem, I have used Windows Performance Toolkit. I have noticed that, with Windows 7, the DPC CPU Usage is shared between the 2 cores of the CPU, but with the Embedded edition, all the DPCs are managed by the same core. I guess that this is what is causing the decrease in the performance. The problem is, that I do not know how to change this. Is there any setting, command or something, that could help me? Thanks in advenced

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