Perfmon clarification

Hi,

I have a server with 48 cores and im trying to captue the current usage of cpu for sql server through Perfmon.  Im also taking the total cpu usage by system.  In comparing both im seeing the total cpu by system is less than the sql cpu usage.

For SQL cpu im taking Process:%ProcessorTime:sqlsrvr

For Total cpu im taking Processor:%ProcessorTime:Total

48 cores so 4800 is the total value.

The MAX value for sqlsrvr process im getting is 3234.167 which is 67% (3234.167/4800*100) whereas the Max value for Total cpu is 57%.   This is where im struck with and please let me know if im missing something.

Im taking MAX values to understand what my peak usage is. 

Thanks for any comments\thoughts.

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