Re: (no subject)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



I've also heard that older versions of Windows don't put the CPU to 
"idle mode" even when there is nothing to do. It is a known problem with 
older Windows kernels.

Anyway, try to install the latest virtio drivers for Windows if you 
don't already have.

On 12/7/2012 9:18 PM, Robert Dinse wrote:
>       About the only thing you can do is not run Windows, or at least that
> version, XP does the same thing, continuouslys spins the CPU when there aren't
> any user processes using time.  I've heard this is resolved in Windows-7 but
> haven't tried it personally.
>
> -_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-
>   Eskimo North Linux Friendly Internet Access, Shell Accounts, and Hosting.
>     Knowledgeable human assistance, not telephone trees or script readers.
>   See our web site: http://www.eskimo.com/ (206) 812-0051 or (800) 246-6874.
>
> On Fri, 7 Dec 2012, Shawn Everett wrote:
>
>> Date: Fri, 7 Dec 2012 12:02:14 -0800
>> From: Shawn Everett <shawn@xxxxxxxxxx>
>> Reply-To: Discussion about the virtualization on CentOS
>      <centos-virt@xxxxxxxxxx>
>> To: centos-virt@xxxxxxxxxx
>> Subject:  (no subject)
>>
>> Hi All,
>>
>> I have recently installed CentOS 6.3 with QEMU+KVM for Virtualization.
>>
>> I have successfully created a Windows 2003 VM with 4GB of RAM.  The host
>> server is an HP ML350 G8 with 24GB RAM and 24 cores.  Details of one of
>> the cores is shown below:
>>
>> processor       : 23
>> vendor_id       : GenuineIntel
>> cpu family      : 6
>> model           : 45
>> model name      : Intel(R) Xeon(R) CPU E5-2620 0 @ 2.00GHz
>> stepping        : 7
>> cpu MHz         : 1200.000
>> cache size      : 15360 KB
>> physical id     : 1
>> siblings        : 12
>> core id         : 5
>> cpu cores       : 6
>> apicid          : 43
>> initial apicid  : 43
>> fpu             : yes
>> fpu_exception   : yes
>> cpuid level     : 13
>> wp              : yes
>> flags           : fpu vme de pse tsc msr pae mce cx8 apic mtrr pge mca
>> cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx
>> pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good xtopology
>> nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2
>> ssse3 cx16 xtpr pdcm dca sse4_1 sse4_2 x2apic popcnt aes xsave avx lahf_lm
>> ida arat epb xsaveopt pln pts dts tpr_shadow vnmi flexpriority ept vpid
>> bogomips        : 3989.86
>> clflush size    : 64
>> cache_alignment : 64
>> address sizes   : 46 bits physical, 48 bits virtual
>> power management:
>>
>> On an otherwise completely idle system I've noticed the load to be 1.0 to
>> 1.5 range.  Running "top" shows the culprit to be: qemu-kvm.
>>
>> Is this normal behavior?  I would have expected the load to be pretty light.
>>
>> Stopping the VM restores the load to normal once again.
>>
>> Is there anything I can do to reduce the load?
>>
>> Shawn
>>
>> _______________________________________________
>> CentOS-virt mailing list
>> CentOS-virt@xxxxxxxxxx
>> http://lists.centos.org/mailman/listinfo/centos-virt
>>
> _______________________________________________
> CentOS-virt mailing list
> CentOS-virt@xxxxxxxxxx
> http://lists.centos.org/mailman/listinfo/centos-virt
>

_______________________________________________
CentOS-virt mailing list
CentOS-virt@xxxxxxxxxx
http://lists.centos.org/mailman/listinfo/centos-virt


[Index of Archives]     [CentOS Users]     [Linux Media]     [Asterisk]     [DCCP]     [Netdev]     [X.org]     [Xfree86]     [Linux USB]

  Powered by Linux