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Windows Server Forum / Windows Server 2003 / General Topics / August 2009High kernel CPU usage
Hi! Our Windows Server 2003 is quite slow recently and shows an unusual lot of kernel CPU activity in Task Manager (the red line in the CPU utilization graph). The server has more than enough RAM. Is there some way to find out which (driver?) is causing this? Thanks, Heinzi > Hi! > [quoted text clipped - 5 lines] > Thanks, > Heinzi Look in the task manager under processes. You will be able to see what is taking the time. >> Our Windows Server 2003 is quite slow recently and shows an unusual >> lot of kernel CPU activity in Task Manager (the red line in the CPU [quoted text clipped - 3 lines] > Look in the task manager under processes. You will be able to see what is > taking the time. Well, it's not the "one process gone wild" type of problem. The CPU is acutally mostly idle, but still the machine is extremely slow. I thought that the fact that, *when* something is done, much time is spent in kernel mode, could be an indication to the real problem (probably a hardware problem, which is why I was curious about which part of the kernel is involved in this). Greetings, Heinzi >>> Our Windows Server 2003 is quite slow recently and shows an unusual >>> lot of kernel CPU activity in Task Manager (the red line in the CPU [quoted text clipped - 10 lines] > (probably a hardware problem, which is why I was curious about which > part of the kernel is involved in this). Anything in the event logs? Any high network traffic? Any application hogging lots of memory (or handles)?  SignatureBrian Cryer www.cryer.co.uk/brian i noticed the same thing on one of our servers this morning. the task manager only shows user mode processes, not what is using up kernel mode processes. still searching for answers on this one... Signaturefregan http://forums.techarena.in Hi, is this resolved May I know what hardware are you using? Do you have SATA ports that ar enabled, but none are utilized My similar problem went away once I've connected SATA harddisks to th SATA ports... which led me to think that's it's the Intel driver -- alexe http://forums.techarena.i |
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