Turbo on VDS Intel X5690 Processor?

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Python
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Turbo on VDS Intel X5690 Processor?

Post by Python »

Quick question regarding the Turbo on the processor's you have for the VDS server.

Currently my server is running the Intel X5690 which runs at 3.46Ghz and Turbo's up to 3.73Ghz.
I'm running Ubuntu 10.10:
:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 10.10
Release: 10.10
Codename: maverick

:~# uname -a
Linux railbait 2.6.35-31-server #63-Ubuntu SMP Mon Nov 28 21:03:37 UTC 2011 x86_64 GNU/Linux


From what i been reading if you were to "grep MHz /proc/cpuinfo" it should report a frequency change when it turbos under a load.

All 3 cores report this:
:~# grep MHz /proc/cpuinfo
cpu MHz : 3467.033
cpu MHz : 3467.033
cpu MHz : 3467.033

One core is nearly pinned at 100% running a 32man TF2 server. Is there a way to verify/get the Turbo function of the processor to work?

Thanks,
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Re: Turbo on VDS Intel X5690 Processor?

Post by Edge100x »

The hypervisor handles the turbo for you, kicking it in when you need it based on demand. We have verified that this works on our end but Xen does not (possibly cannot) expose it to the VDS itself. What you see instead is the peak MHz rate, which can be used for timing purposes.
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