Mac Pro, Windows 7, and CPU Utilisation

yezza · Mar 18, 2009, 07:46 AM

I have Windows 7 64bit (build 7000) running sweet on my 8 core 2.8 Mac Pro. I went to fire up rendering job and noticed that my task manager only shows two CPU graphs.

This is the case for whether I'm running Windows 7 natively or via VMware (note that I have VMware CPU settings on 4 virtual processors).

In the screenshot attached (Windows via VMware), it shows the two CPU graphs, and 4 processors in device manager. When I boot into Windows natively, task manager still has two CPU graphs, and device manager shows 8 processors! (Didn't want to stop my current rendering job to reboot and take a screenshot of device manager showing 8 processors, but I assure you it shows 8).

I could have sworn that task manager was showing 8 CPU graphs when I first sparked Windows 7 up for the first time. Can anybody shed any light on why my CPU utilisation is so??

FX120 · Mar 18, 2009, 12:07 PM

Quote:

Originally Posted by yezza

I have Windows 7 64bit (build 7000) running sweet on my 8 core 2.8 Mac Pro. I went to fire up rendering job and noticed that my task manager only shows two CPU graphs.

This is the case for whether I'm running Windows 7 natively or via VMware (note that I have VMware CPU settings on 4 virtual processors).

In the screenshot attached (Windows via VMware), it shows the two CPU graphs, and 4 processors in device manager. When I boot into Windows natively, task manager still has two CPU graphs, and device manager shows 8 processors! (Didn't want to stop my current rendering job to reboot and take a screenshot of device manager showing 8 processors, but I assure you it shows 8).

I could have sworn that task manager was showing 8 CPU graphs when I first sparked Windows 7 up for the first time. Can anybody shed any light on why my CPU utilisation is so??

Open the resource monitor, select the CPU tab, does it still only graph two cores?

yezza · Mar 18, 2009, 02:32 PM

Yes I forgot to mention that - same deal in the resource monitor, only two graphs

justflie · Mar 18, 2009, 05:26 PM

Sorry, I don't want to hijack the convo a little bit but.....

I'm downloading Windows 7 64bit right now. What did you do for driver installs? Did you just install the bunch off the Leopard disk or did you have to search out drivers online?

Once I get it all working tonight/tomorrow, I can report back with info on this problem.

thanks for the help!

FX120 · Mar 18, 2009, 06:43 PM

Quote:

Originally Posted by yezza

Yes I forgot to mention that - same deal in the resource monitor, only two graphs

Hmmm... I only have a quad core machine here, and it displays all four graphs, but it is possible that when you have more than that it only displays the average useage per physical chip, and not per core.

Other than that, I can't think of why else it would only be displaying two graphs.

Have you tried running a CPU testing CPU-Z?

yezza · Mar 18, 2009, 07:10 PM

Thanks FX, great idea - I'll try that when I get home tonight.

diamond.g · Mar 18, 2009, 07:21 PM

Under View, check to make sure it isn't showing one graph per CPU (or something like that).

yezza · Mar 19, 2009, 05:20 AM

diamond, I checked task managers view menu, and I have it set to show a graph per cpu (the other option is to show one graph for all cpu's combined).

FX, I ran CPU-Z and below are the results, from both VMware and native booting.

I've had a bit of a google for similar problems, but there doesn't seem to be anything even remotely similar. Can anyone suggest where to go from here?

jodelli · Mar 19, 2009, 07:18 AM

I'm only running 32 bit but getting the normal number of cpu windows, which happens to be two on this machine. The top window is Task Manager, the one underneath is the Resource Manager.

diamond.g · Mar 19, 2009, 07:28 AM

Quote:

Originally Posted by yezza

diamond, I checked task managers view menu, and I have it set to show a graph per cpu (the other option is to show one graph for all cpu's combined).

FX, I ran CPU-Z and below are the results, from both VMware and native booting.

I've had a bit of a google for similar problems, but there doesn't seem to be anything even remotely similar. Can anyone suggest where to go from here?

Very odd. Try putting a post here and see if they can help you. It could very well be a bug.

steveza · 02:46 PM

It isn't a problem with Windows 7 though because my i7 system shows 8 graphs, must be something peculiar to Macs.

Update: See . . .

yezza · Mar 19, 2009, 07:03 PM

I will try my luck at your suggested forum diamond

yezza · Mar 20, 2009, 05:51 AM

Just an update to close the thread off - I have all 8 cores at my disposal now. I had to go to msconfig, ticked detect HAL, rebooted and I'm away again

Thanks for your suggestions.

steveza · Mar 20, 2009, 05:59 AM

Quote:

Originally Posted by yezza

Just an update to close the thread off - I have all 8 cores at my disposal now. I had to go to msconfig, ticked detect HAL, rebooted and I'm away again

Thanks for your suggestions.

Good tip. I like it

diamond.g · Mar 20, 2009, 07:26 AM

Quote:

Originally Posted by yezza

Just an update to close the thread off - I have all 8 cores at my disposal now. I had to go to msconfig, ticked detect HAL, rebooted and I'm away again

Thanks for your suggestions.

Good stuff. Didn't even think to look there.

Mar 18, 2009, 07:46 AM	#1
yezza macrumors member Join Date: Mar 2008	Mac Pro, Windows 7, and CPU Utilisation I have Windows 7 64bit (build 7000) running sweet on my 8 core 2.8 Mac Pro. I went to fire up rendering job and noticed that my task manager only shows two CPU graphs. This is the case for whether I'm running Windows 7 natively or via VMware (note that I have VMware CPU settings on 4 virtual processors). In the screenshot attached (Windows via VMware), it shows the two CPU graphs, and 4 processors in device manager. When I boot into Windows natively, task manager still has two CPU graphs, and device manager shows 8 processors! (Didn't want to stop my current rendering job to reboot and take a screenshot of device manager showing 8 processors, but I assure you it shows 8). I could have sworn that task manager was showing 8 CPU graphs when I first sparked Windows 7 up for the first time. Can anybody shed any light on why my CPU utilisation is so?? Attached Thumbnails

Mar 18, 2009, 05:26 PM	#4
justflie macrumors 6502a Join Date: Nov 2005 Location: Red Sox Nation	Sorry, I don't want to hijack the convo a little bit but..... I'm downloading Windows 7 64bit right now. What did you do for driver installs? Did you just install the bunch off the Leopard disk or did you have to search out drivers online? Once I get it all working tonight/tomorrow, I can report back with info on this problem. thanks for the help! __________________ 2 x 2.66 GHz 2009 Mac Pro, 6 GB RAM, GTX 285 ; 32GB iPhone 3GS

Mar 18, 2009, 07:21 PM	#7
diamond.g macrumors 68040 Join Date: Mar 2007 Location: Virginia	Under View, check to make sure it isn't showing one graph per CPU (or something like that). __________________ The whole earth should be like Hawaii (weather wise)

Mar 19, 2009, 05:20 AM	#8
yezza Thread Starter macrumors member Join Date: Mar 2008	Still in the dark diamond, I checked task managers view menu, and I have it set to show a graph per cpu (the other option is to show one graph for all cpu's combined). FX, I ran CPU-Z and below are the results, from both VMware and native booting. I've had a bit of a google for similar problems, but there doesn't seem to be anything even remotely similar. Can anyone suggest where to go from here? Attached Thumbnails

Mar 19, 2009, 07:18 AM	#9
jodelli Contributor Join Date: Jan 2008 Location: Windsor, ON, Canada	I'm only running 32 bit but getting the normal number of cpu windows, which happens to be two on this machine. The top window is Task Manager, the one underneath is the Resource Manager. Attached Thumbnails

Mar 18, 2009, 02:32 PM	#3
yezza Thread Starter macrumors member Join Date: Mar 2008	Yes I forgot to mention that - same deal in the resource monitor, only two graphs

Mar 18, 2009, 07:10 PM	#6
yezza Thread Starter macrumors member Join Date: Mar 2008	Thanks FX, great idea - I'll try that when I get home tonight.

Mar 19, 2009, 10:20 AM	#11
steveza macrumors Demi-God Join Date: Feb 2008 Location: Yookay	It isn't a problem with Windows 7 though because my i7 system shows 8 graphs, must be something peculiar to Macs. Update: See . . . Attached Thumbnails Last edited by steveza : Mar 19, 2009 at 02:46 PM. Reason: Added graphs

Mar 19, 2009, 07:03 PM	#12
yezza Thread Starter macrumors member Join Date: Mar 2008	Thanks guys I will try my luck at your suggested forum diamond

Mar 20, 2009, 05:51 AM	#13
yezza Thread Starter macrumors member Join Date: Mar 2008	Back on track with 8 cores rocking Just an update to close the thread off - I have all 8 cores at my disposal now. I had to go to msconfig, ticked detect HAL, rebooted and I'm away again Thanks for your suggestions.

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