Try Windows Performance Analysis Tools
They use the kernel already in place hooks to collect statistics.
http://msdn.microsoft.com/en-us/performance/cc825801.aspx
http://blogs.msdn.com/pigscanfly/archive/2008/03/02/using-the-windows-sample-profiler-with-xperf.aspx
http://msdn.microsoft.com/en-us/library/cc305215.aspx
Hope it helps.
Ciao!
mario
Cory Riddell wrote:
> I had my cpu monitor open while running osgviewer. I just noticed that
> after closing the cpu monitor, my vsync'd framerate immediately jumped
> to 60 (the monitor native rate).
>
> So, it seems that Heisenberg has struck again. I can't measure the thing
> with out radically changing it. Or perhaps I'm just not using the right
> tools. Does anybody have any suggestions for decent Windows performance
> analysis tools? I was using SysInternal's ProcessExplorer.
>
> Cory
>
> Cory Riddell wrote:
>> Hi Robert,
>>
>>> On Fri, Jun 5, 2009 at 8:21 PM, Cory Riddell<[email protected]> wrote:
>>>
>>>> Does anybody see less than 100% CPU utilization when running osgviewer
>>>> cow.osg on an ATI card? I had just been accepting that as normal.
>>>>
>>>
>>> 100% CPU is not normal at all.
>>>
>>
>> Yikes! I think there must be something seriously wrong with my system
>> then.
>>
>> I updated my video drivers to the latest this morning and enabled
>> vsync. Enabling vsync sent my framerate from 1200 fps to 15 fps! Vsync
>> on or off made no difference on the cpu load- I always have 100%
>> utilization on one core.
>>
>> I have a FireGL V7700 with 512 MB of RAM. I'm running the 8.603
>> drivers on quad core XP Pro machine. My one-and-only monitor is a 24"
>> Dell panel at 1920x1200.
>>
>> I turned vsync back off. With it on, my cow looked like it was being
>> rotated by a stepper motor.
>>
>> If you or anybody else has troubleshooting suggestions, I would be
>> very happy to hear them.
>>
>> Cory
>> ------------------------------------------------------------------------
>>
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>>
>
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--
Ing. Mario Valle
Data Analysis and Visualization Group | http://www.cscs.ch/~mvalle
Swiss National Supercomputing Centre (CSCS) | Tel: +41 (91) 610.82.60
v. Cantonale Galleria 2, 6928 Manno, Switzerland | Fax: +41 (91) 610.82.82
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