我如何知道我的XEN系统有多少CPU(vcpus)?

时间:2021-08-13 03:59:02

If I start top or look into /proc/cpuinfo, I see only two CPUs. If I view the values displayed for my system with virt-manager, that tool shows me 32 vcpus (which is the value I think is correct).

如果我从顶部开始或查看/ proc / cpuinfo,我只看到两个CPU。如果我使用virt-manager查看为我的系统显示的值,该工具会显示32 vcpus(这是我认为正确的值)。

I failed (yet) to find out on a script-level on the hypervisor that correct value (32). I have been looking into /proc/cpuinfo and /sys/devices/system/cpu/ and other things I could think of, but found that value nowhere. Also the shell commands like xen or xm I examined closely, but found no way to display the value I'm looking for.

我(在)虚拟机管理程序的脚本级别上找不到正确的值(32)。我一直在研究/ proc / cpuinfo和/ sys / devices / system / cpu /以及我能想到的其他事情,但发现价值无处可去。我还仔细检查了像xen或xm这样的shell命令,但是没有办法显示我正在寻找的值。

Does anybody know how I can find out how many vcpus my XEN system provides?

有谁知道我怎么能知道我的XEN系统提供了多少vcpus?

EDIT: lscpu gives me:

编辑:lscpu给了我:

Architecture:          x86_64
CPU op-mode(s):        32-bit, 64-bit
Byte Order:            Little Endian
CPU(s):                2
On-line CPU(s) list:   0,1
Thread(s) per core:    2
Core(s) per socket:    1
Socket(s):             1
NUMA node(s):          1
Vendor ID:             GenuineIntel
CPU family:            6
Model:                 45
Stepping:              7
CPU MHz:               2900.086
BogoMIPS:              5800.17
Hypervisor vendor:     Xen
Virtualization type:   none
L1d cache:             32K
L1i cache:             32K
L2 cache:              256K
L3 cache:              20480K
NUMA node0 CPU(s):     0,1

So, this also does not show the "32" anywhere.

所以,这也没有在任何地方显示“32”。

The contents of /proc/cpuinfo:

/ proc / cpuinfo的内容:

processor   : 0
vendor_id   : GenuineIntel
cpu family  : 6
model       : 45
model name  : Intel(R) Xeon(R) CPU E5-2690 0 @ 2.90GHz
stepping    : 7
microcode   : 0x70d
cpu MHz     : 2900.086
cache size  : 20480 KB
physical id : 0
siblings    : 2
core id     : 0
cpu cores   : 1
apicid      : 0
initial apicid  : 0
fpu     : yes
fpu_exception   : yes
cpuid level : 13
wp      : yes
flags       : fpu de tsc msr pae cx8 apic sep cmov pat clflush acpi mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nopl nonstop_tsc pni pclmulqdq est ssse3 cx16 sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ida arat pln pts dtherm
bogomips    : 5800.17
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

processor   : 1
vendor_id   : GenuineIntel
cpu family  : 6
model       : 45
model name  : Intel(R) Xeon(R) CPU E5-2690 0 @ 2.90GHz
stepping    : 7
microcode   : 0x70d
cpu MHz     : 2900.086
cache size  : 20480 KB
physical id : 0
siblings    : 2
core id     : 0
cpu cores   : 1
apicid      : 1
initial apicid  : 1
fpu     : yes
fpu_exception   : yes
cpuid level : 13
wp      : yes
flags       : fpu de tsc msr pae cx8 apic sep cmov pat clflush acpi mmx fxsr sse sse2 ss ht syscall nx lm constant_tsc rep_good nopl nonstop_tsc pni pclmulqdq est ssse3 cx16 sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ida arat pln pts dtherm
bogomips    : 5800.17
clflush size    : 64
cache_alignment : 64
address sizes   : 46 bits physical, 48 bits virtual
power management:

2 个解决方案

#1


3  

I found a way now:

我现在找到了办法:

IFS=: read _ nr_cpus < <(xm info | grep ^nr_cpus)
echo "$nr_cpus"

This will (finally) print

这将(最终)打印

32

on my system.

在我的系统上。

#2


1  

This is a nice way:

这是一个很好的方式:

cat /proc/cpuinfo | grep "core id"

This is an example of the output:

这是输出的一个例子:

core id     : 0
core id     : 1
core id     : 0
core id     : 1

In my case, the system is dual-core, I have only core-id 0 and core-id 1.

在我的例子中,系统是双核的,我只有core-id 0和core-id 1。

#1


3  

I found a way now:

我现在找到了办法:

IFS=: read _ nr_cpus < <(xm info | grep ^nr_cpus)
echo "$nr_cpus"

This will (finally) print

这将(最终)打印

32

on my system.

在我的系统上。

#2


1  

This is a nice way:

这是一个很好的方式:

cat /proc/cpuinfo | grep "core id"

This is an example of the output:

这是输出的一个例子:

core id     : 0
core id     : 1
core id     : 0
core id     : 1

In my case, the system is dual-core, I have only core-id 0 and core-id 1.

在我的例子中,系统是双核的,我只有core-id 0和core-id 1。