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Re: how to determine CPU Slice: msg#00012
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Subject: |
Re: how to determine CPU Slice |
On Tue, Sep 12, 2006 at 03:13:11PM +0530, Manogna Ramakrishna Chebiyyam wrote:
> Some one please give me a pointer as to how to determine the CPU Slice
> of a domain U
What exactly do you mean by CPU slice ? The CPU time used by a domain since
it started ?
libvirt provides an API virDomainGetInfo() for retrieving stats about a
running domain. One of the fields in the struct it fills is 'cpuTime' which
is a running counter of CPU time allocated to the DomU since it started,
measured in nanoseconds. You can access this from C / Python / Perl, or
just run 'virsh dominfo [name | id | uuid]' from the shell.
eg
# virsh dominfo demo1
Id: 6
Name: demo1
UUID: 7c29eaa6-68e3-1891-abef-7334079927a1
OS Type: linux
State: blocked
CPU(s): 2
CPU time: 14.8s
Max memory: 723968 kB
Used memory: 723776 kB
Regards,
Dan.
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