Re: [Xen-users] use all of my cpu cores

[Tarun Dua <tarundua@xxxxxxxxx>]

releaseÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ : 3.7.9-1.el6xen.x86_64
versionÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ : #1 SMP Mon Feb 18 14:46:35 EST 2013
machineÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ : x86_64
nr_cpusÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ : 24
max_cpu_idÂÂÂÂÂÂÂÂÂÂÂÂ : 127
nr_nodesÂÂÂÂÂÂÂÂÂÂÂÂÂÂ : 1
cores_per_socketÂÂÂÂÂÂ : 6
threads_per_coreÂÂÂÂÂÂ : 2
cpu_mhzÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ : 1995
hw_capsÂÂÂÂÂÂÂÂÂÂÂÂÂÂÂ : bfebfbff:2c100800:00000000:00003f40:17bee3ff:00000000:00000001:00000000
virt_capsÂÂÂÂÂÂÂÂÂÂÂÂÂ : hvm
total_memoryÂÂÂÂÂÂÂÂÂÂ : 65459
free_memoryÂÂÂÂÂÂÂÂÂÂÂ : 7246
sharing_freed_memoryÂÂ : 0
sharing_used_memoryÂÂÂ : 0
free_cpusÂÂÂÂÂÂÂÂÂÂÂÂÂ : 0
xen_majorÂÂÂÂÂÂÂÂÂÂÂÂÂ : 4
xen_minorÂÂÂÂÂÂÂÂÂÂÂÂÂ : 2
xen_extraÂÂÂÂÂÂÂÂÂÂÂÂÂ : .1
xen_capsÂÂÂÂÂÂÂÂÂÂÂÂÂÂ : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
xen_schedulerÂÂÂÂÂÂÂÂÂ : credit
xen_pagesizeÂÂÂÂÂÂÂÂÂÂ : 4096
platform_paramsÂÂÂÂÂÂÂ : virt_start=0xffff800000000000
xen_changesetÂÂÂÂÂÂÂÂÂ : unavailable
xen_commandlineÂÂÂÂÂÂÂ : dom0_mem=4000M cpufreq=xen dom0_max_vcpus=24 dom0_vcpus_pin
cc_compilerÂÂÂÂÂÂÂÂÂÂÂ : gcc (GCC) 4.4.6 20120305 (Red Hat 4.4.6-4)
cc_compile_byÂÂÂÂÂÂÂÂÂ : mockbuild
cc_compile_domainÂÂÂÂÂ : crc.id.au
cc_compile_dateÂÂÂÂÂÂÂ : Sat Feb 16 19:16:38 EST 2013
xend_config_formatÂÂÂÂ : 4

On Fri, Mar 8, 2013 at 10:02 AM, Wayne Egerer <ps2wayne@xxxxxxxxx> wrote:

What does 'xl info' show?

On Thu, Mar 7, 2013 at 4:41 PM, Tarun Dua <tarundua@xxxxxxxxx> wrote:

I have the same problem on CentOS 6.3 :-

/proc/cpuinfo shows only 16 VCPUs.

It should have 24 VCPUs based on the HW config:- Hyperthreaded 2 x Intel Xeon E5-2620

uname -a says :-

3.7.9-1.el6xen.x86_64

xen-hypervisor-4.2.1-4.el6.x86_64
xen-runtime-4.2.1-4.el6.x86_64
kernel-xen-release-6-4.noarch
xen-libs-4.2.1-4.el6.x86_64
kernel-xen-firmware-3.7.9-1.el6xen.x86_64
xen-4.2.1-4.el6.x86_64
xen-licenses-4.2.1-4.el6.x86_64
kernel-xen-3.7.9-1.el6xen.x86

grub.conf looks like this :-

title CentOS (3.7.9-1.el6xen.x86_64)
ÂÂÂÂÂÂÂ root (hd0,0)
ÂÂÂÂÂÂÂ kernel /xen.gz dom0_mem=4000M cpufreq=xen dom0_max_vcpus=24 dom0_vcpus_pin
 module /vmlinuz-3.7.9-1.el6xen.x86_64 ro root=UUID=eb4db58b-650a-47dc-a8e2-9e7cc6680903 rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 quiet SYSFONT=latarcyrheb-sun16 rd_MD_UUID=79d39968:505cc18a:ee7a4c34:41b4a178 rhgb crashkernel=auto KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM
ÂÂÂÂÂÂÂ module /initramfs-3.7.9-1.el6xen.x86_64.img
-Tarun

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