Re: [PATCH 1/2] VMware guest detection for x86 and x86-64

Yan Li
2008-09-25T00:23:49Z

On Wed, Sep 24, 2008 at 09:13:14PM +0300, Cristi Magherusan wrote:
> > > We can also use this feature to force the HZ value to 100 or 250 at most
> > > when running in a virtual environment, since VirtualBox had some issues
> > > with this by taking a lot of CPU time when the HZ was set to 1000.
> >
> > That's good. But this function is used for detecting VMware guest
> > only. Do you think VMware also suffers from this problem?
> >
> I don't know for sure about VMware, but someone who has it installed can
> try it. I had this issue with a CentOS 5-server virtual machine
> downloaded from http://www.thoughtpolice.co.uk/vmware/
>
> The fix consisted in using a kernel compiled with the HZ value set to
> 100 instead of the default which was 1000.

Oh I never heard about this. I've been using several VMware VMs
(combined RHEL and SLES and Debian) but haven't seen such
issue. What's the symptom?

--
Li, Yan