[CentOS] A special kernel for linux as guest os
amyagi at gmail.com
Fri Sep 21 13:22:09 UTC 2007
On 9/21/07, Scott McClanahan <scott.mcclanahan at trnswrks.com> wrote:
> On Thu, 2007-09-20 at 15:46 -0700, Akemi Yagi wrote:
> > On 9/20/07, Yuji Tsuchimoto <nox at sea-mew.jp> wrote:
> > > Dear Yagi-san,
> > >
> > > > I heard from the horse's mouth that the CentOS team is working on the
> > > > 100Hz centosplus kernel. I think your request triggered the action :-)
> > > > They want make people happy.
> > > That sounds nice!
> > > This TIPS, CONFIG_HZ=100, is one of FAQs. It will make most of us happy.
> > >
> > > Now we can get kernel-vm package on dev.centos.org.
> > > Is it a test release of the special kernel?
> > > I installed the kernel-vm. Its change-log shows HZ=100.
> > > And the kernel seems better for clock interval on VMWare.
> > > Thanks a lot.
> > > Yuji
> > Tsuchimoto-san,
> > Yes, they are in testing. Some of us have been running the 100HZ
> > kernel for more than 2 months and have not seen any problem so far.
> > If you wish to know more details about the development of the
> > virtualization-optimized kernel, please take a look at:
> > http://bugs.centos.org/view.php?id=2189
> > And feel free to add any comments you have on that report.
> > Akemi
> > _______________________________________________
> Will the only deviation from the base/updates kernels be the decreased
> number of timer interrupts? Thanks.
Yes, that is the only difference between the standard kernel and
kernel-vm. We do have a CentOS 5 i686 UP version which gives slightly
better performance than the default SMP. But this is not an official
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