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kernrate and cpu

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dec

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Nov 24, 2009, 12:04:31 PM11/24/09
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I have installed process explorer and kernrate to determine why my cpu
is 100%
I can access process explorer but I cannot access kernrate even though
it is installed and I have an icon...what is wrong?

Jose

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Nov 24, 2009, 5:04:01 PM11/24/09
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Were you unable to diagnose the issue with just Process Explorer?

dec

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Nov 24, 2009, 11:43:48 PM11/24/09
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thanks for replying...deferred procedure calls and SYSTEM were the two
that combined are using 80-90% on my cpu

Jose

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Nov 25, 2009, 6:19:46 AM11/25/09
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In Process Explorer are you unable to drill down (click the +) under
System to expand it out to narrow it down?

If PE shows a + sign next to system, you need to click the + sign to
expand it, then see what is going on.

Here is a little write up from Mark Russinovich about using kernrate
to isolate an afflicted driver using kernrate.

http://blogs.technet.com/markrussinovich/archive/2008/04/07/3031251.aspx

Googling for Deferred Procedure Call will get you many hits and the
problem seems to usually be closely related to gaming, intense video
audio/operations, audio/video/network hardware, video drivers...
Sometimes just reseat the RAM, or replace the CMOS battery does it for
some folks.

Here is a popular DPC monitoring tool:

http://www.thesycon.de/deu/latency_check.shtml

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