[SDBUG] interrupts in top broken with SMP kernel

[Michael J McCafferty]

All,
    When I use the generic uniproc kernel and run top or systat vmstat  
I can get info on the % of cpu for interrupts. However, when using the  
generic bsd.mp kernel on a Core2Duo system I can not get anything to  
tell me the % of cpu for interrupts.
    I can get the number of interrupts per second, but not the % of  
the CPU that is handlign interrupts. This is a metric I need to know  
as it will help me extrapolate the ultimate performance limit of the  
systems I am testing.
    Does anyone have any thoughts on how to determine the % of CPU  
that is handlign intgerrupts on a Core2Duo with teh mp kernel ?

Thanks,
Mike

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Michael J. McCafferty
Principal, Security Engineer
M5 Hosting
858-576-7325 Voice
http://www.m5hosting.com
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