Hi Pete, Could you please compare your results with the output of dmidecode and 'cat /proc/cpuinfo'
Thanks, Jithin On Thu, Aug 15, 2013 at 10:58 PM, Pete Johnson <pjohnso...@verizon.net>wrote: > I'm using AMD FX-8320 8-core 3.5 GHz processors with 16GB of unbuffered > ECC memory. (they're the best cost/performance processor available) > > - Pete > > -----Original Message----- From: Jithin Raju > Sent: Thursday, August 15, 2013 1:04 PM > > To: users@cloudstack.apache.org > Subject: Re: Variable speed CPUs > > Hi Marty, > > Not sure though, but I don't see the clock speed mentioned at the service > offering is set as a configuration parameter of the guest OS for kvm. > > Rather the clock speed set for the service offering is used as a reference > of the resource utilization while allocating host for the instances > deployed using service offering. > > Pete: Which is the model number of the AMD processor you are using? > > From KVM perspective,We can specify the number of vCPUs to be allocated to > guests, also it supports which physical CPU to use: > "--cpuset=CPUSET > Set which physical cpus the guest can use. "CPUSET" is a comma > separated list of numbers, which can also be specified in ranges or cpus to > exclude. Example: > > 0,2,3,5 : Use processors 0,2,3 and 5 > 1-5,^3,8 : Use processors 1,2,4,5 and 8" > > Thanks, > Jithin > > > On Thu, Aug 15, 2013 at 10:08 PM, Marty Sweet <msweet....@gmail.com> > wrote: > > In KVM and cloudstack 4.1.1 VM clock speed is enforced by the service >> offering set to the Guest VM. >> >> For example, if I were to make a service offering of 1vCPU running at 3Ghz >> and I only have a host running (at clock speed) of 2Ghz then cloudstack >> will refuse the start of the VM. >> >> You can see your processor statistics by running lshw -C CPU on the host, >> the clock speed shown will be the actual host clock speed, regardless of >> BIOS technologies which may throttle or boost the frequency at anytime >> depending on load. >> >> Marty >> >> On Thursday, August 15, 2013, Pete Johnson wrote: >> >> > I am planning on running a mix of service offerings, mostly small but >> > their will be some pretty large database/processing servers using 2+ >> cores. >> > Won't know how large yet. >> > >> > - Pete >> > >> > -----Original Message----- From: Bradley Hieber >> > Sent: Thursday, August 15, 2013 12:07 PM >> > To: users@cloudstack.apache.org >> > Subject: Re: Variable speed CPUs >> > >> > What is the service offering for the guest machines? The service > >> offering >> > governs the type of virtual CPU presented to the guest. >> > >> > >> > On Thu, Aug 15, 2013 at 12:04 PM, Pete Johnson <pjohnso...@verizon.net >> > >wrote: >> > >> > Hi, >> >> I have build a small private cloud for an R&D project for one of my >> >> clients. I have 3 hosts each with 16gb memory and 8 cores (AMD) per >> host. >> >> I’m using Cloudstack 4.1 and hosts are Ubuntu 12.04 w/KVM. These >> CPUs >> >> can vary clock speeds based on bios settings which is enabled. The >> >> Cloudstack dashboard correctly estimates the CPU clock speed at its MAX >> of >> >> 3500 MHz. But, when I log onto the guests and run virt-top it says >> >> 1400MHz >> >> which I assume is its current throttled down clock speed. I am still >> >> setting things up and have not had the chance to put the hosts under >> >> enough >> >> load to see of it clocks up. My questions are: Does Cloudstack >> >> support >> >> viewable clocked CPUs in hosts? How does Cloudstack support variable >> >> clocked hosts from a real-time capacity load perspective and a usage >> >> perspective. >> >> Thanks >> >> Pete Johnson >> >> >> > >> > >> > >> > >> > -- >> > Brad >> > >> >> >
