CPU Utilization of 35% + All of the time

[Guest]

I have an AMD Athlon 64 X2 Dual Core Processor 4400+ 2.2 GHz. One of the
cores show a 3% use and the other shows a 35%+ use all of the time. I've
turned off off-line files.

It doesn't appear to show me what processors are using this CPU. It looks
like in the task manager that I am only using the 3%.

Thoughts?

 

[Martin Stein]

Try to click on 'show processes from all users' below in the processes tab.
Which process is the bad one?

 

[Guest]

Can anyone with a dual core let me know if the CPU Usage History graphs seem
to be correct for both cores?

 

[Guest]

I set up a test user and disconnected all devices. Basically just a stand
alone PC. After the indexer completed, there was nothing running that I
could see other than some basic processes. No network activity (obviously)
and no writing to disk other than the Resource Monitor. Still it appears
that 75% of one of the cores is being utilized by a process that isn't listed.

Thoughts?

 

[Toby Broom]

Tried showing processes from all users?

 

[Toby Broom]

The 100% is across both core so it will look less than the actual for that
core.

After this I say use Performance monitor, Form the process group add % User
Time <All Instances>

you can the go through 1-by-1 looking for thing with high utilization.

 

[Guest]

Process (% User Time) is 3% or less.

Processor (% Processor Time) is 30-35% (Instance = _Total).

I'm not familiar with the Performance Monitor. What do I look at next? It
doesn't look like any of the Processes consume much of the CPU. It looks
like the Total Processor time is high however.

 

[Guest]

It looks like % Interrupt Time on core 1 is 70%. On the other core it is
less than 3%. I guess this means that there is some device(s) like a mouse,
disk drivers, NIC, etc. causing this issue. How can I find this?

 

[Guest]

The Interrupts/sec is sustained over 1000. I've compared this value to
System: Systems Calls/sec. I don't think this is a hardware issue because it
didn't exhibit this issue with WindowsXP; therefore, I think it must be a
driver issue. Any thoughts on how to track this down?

 

[Toby Broom]

I suppose you can disable the devices from device manager and see if that
has an effect on the CPU load.

The results explain why your weren't seeing anything in task manager.

I suspect USB things?

 

[Guest]

I removed all USB devices and disabled the items that I thought were save to
disable. These include a RAID controller, network card, etc. The remaining
items would be like mouse, disk drive, keyboard, video card. If I disable
any of these, I'm not sure how to enable them.

Any other thoughts as to what I should try next?

 

[Toby Broom]

Still not fixed?

I dunno then, I think your stuffed, if a clean install doesn't fix your
problem then I suppose you need wait for some updated drivers?

Toby

 

[Guest]

Anyone know how I can troubleshoot where the interrupts are coming from?

 

[Guest]

I solved this issue by turning off the IEEE 1394 (firewire) port in my BIOS.
The interrupts disappeared and the CPU utilization went down to almost
nothing.

 

[Guest]

I solved this issue by turning off the firewire (IEEE 1394) port in my BIOS.

 

[sam]

I also just started having this problem except I am at 50%. After abiut 3
minutes my PC is locked up with no responses.