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Ext User(Stewart Berman)
03-06-2007, 05:23 PM
Task Manager shows one of my CPUs as close to 100%. But the process list shows the System Idle
Process at 97%.

Process Explorer shows:

Process PID CPU Description Company Name
System Idle Process 0 36.15
Interrupts n/a 37.69 Hardware Interrupts
DPCs n/a 14.62 Deferred Procedure Calls
System 4

None of the system logs show anything.

I have tried stopping all optional services but no joy.

How do I find out what is generating enough hardware interrupts to eat 38% of the CPU power
(actually 76% of one CUP) and 15% of the CPU power in deferred procedure calls?

Ext User(Patrick Keenan)
03-06-2007, 05:53 PM
"Stewart Berman" <sabmsdn@saberman.com> wrote in message
news:uup463pt2i3tuavcl37sqv0lhje7psvp49@4ax.com...
> Task Manager shows one of my CPUs as close to 100%. But the process list
> shows the System Idle
> Process at 97%.
>
> Process Explorer shows:
>
> Process PID CPU Description Company Name
> System Idle Process 0 36.15
> Interrupts n/a 37.69 Hardware Interrupts
> DPCs n/a 14.62 Deferred Procedure Calls
> System 4
>
> None of the system logs show anything.
>
> I have tried stopping all optional services but no joy.
>
> How do I find out what is generating enough hardware interrupts to eat 38%
> of the CPU power
> (actually 76% of one CUP) and 15% of the CPU power in deferred procedure
> calls?

Expand process manager and move the cursor over the processes using cycles.
You'll get a more detailed list.

HTH
-pk

Ext User(Stewart Berman)
03-06-2007, 06:53 PM
"Patrick Keenan" <test@dev.null> wrote:

>"Stewart Berman" <sabmsdn@saberman.com> wrote in message
>news:uup463pt2i3tuavcl37sqv0lhje7psvp49@4ax.com...
>> Task Manager shows one of my CPUs as close to 100%. But the process list
>> shows the System Idle
>> Process at 97%.
>>
>> Process Explorer shows:
>>
>> Process PID CPU Description Company Name
>> System Idle Process 0 36.15
>> Interrupts n/a 37.69 Hardware Interrupts
>> DPCs n/a 14.62 Deferred Procedure Calls
>> System 4
>>
>> None of the system logs show anything.
>>
>> I have tried stopping all optional services but no joy.
>>
>> How do I find out what is generating enough hardware interrupts to eat 38%
>> of the CPU power
>> (actually 76% of one CUP) and 15% of the CPU power in deferred procedure
>> calls?
>
>Expand process manager and move the cursor over the processes using cycles.
>You'll get a more detailed list.
>
>HTH
>-pk
>

There is any additional information available for Interrupts and DPCs in Process Explorer.

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