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[Xen-users] cpu frequency scaling in xen 3.3.1
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
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| Subject: | [Xen-users] cpu frequency scaling in xen 3.3.1 |
| From: | Florian Gleixner <flo@xxxxxxxxx> |
| Date: | Sat, 28 Mar 2009 14:38:45 +0100 |
| Delivery-date: | Fri, 01 May 2009 11:48:30 -0700 |
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Hi,
i read the xenpm wiki page, but i cannot use the "p-states". xenpm shows:
xenpm
cpu id : 0
total C-states : 2
idle time(ms) : 1776034
C0 : transition [00000000000000000000]
residency [00000000000000000000 ms]
C1 : transition [00000000000000260278]
residency [00000000000000000000 ms]
cpu id : 1
total C-states : 0
idle time(ms) : 1771123
[CPU0] failed to get P-states statistics information
[CPU1] failed to get P-states statistics information
/proc/cpuinfo shows:
model name : AMD Athlon(tm) Dual Core Processor 5050e
without xen i can scale the frequency perfectly. Are p-states for this
CPU model unsupported? My grub line is:
kernel /xen.gz cpufreq=xen cpuidle
...
Thanks for the help!
Florian
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