Hi experts:
why cpu % show 135.6% which is over 100%ï
how do I compute exact cpu ulitities?
xentop - 20:43:55 Xen 4.1.3_02-0.5.1
2 domains: 2 running, 0 blocked, 0 paused, 0 crashed, 0 dying, 0
shutdown
Mem: 4122636k total, 4117100k used, 5536k free CPUs: 2 @
2793MHz
NAME STATE CPU(sec)
CPU(%) MEM(k) MEM(%) MAXMEM(k) MAXMEM(%) VCPUS
NETS NETTX(k) NETRX(k) VBDS VBD_OO VBD_R
D VBD_WR VBD_RSECT VBD_WSECT SSID
Domain-0 -----r
184 4.8 1839104 44.6
no limit n/a
2 0
0 0
0 0
0
0
0 0
0
sles11sp2p -----r 1194
135.6 2097152 50.9
2097152 50.9
2 1
128 26
2 0 372
3 3360
121590 206784 0
Sent: Friday, October 05, 2012 8:05 PM
Subject: Re: [Xen-users] virt-manager vs xentop
From: duanshuidao@xxxxxxxxxxx
To: mahesh.thiagarajan@xxxxxxxxxx;
xen-users@xxxxxxxxxxxxx
Subject: RE: [Xen-users] virt-manager vs
xentop
Date: Fri, 5 Oct 2012 12:05:17 +0000
how to calculate cpu ulitities in xentop ? It often appears numbers
above 100%.
this is my question too.
> Date: Fri, 5 Oct 2012 10:52:52 +0530
> From:
mahesh.thiagarajan@xxxxxxxxxx
> To: xen-users@xxxxxxxxxxxxxx
>
Subject: [Xen-users] virt-manager vs xentop
>
> Hi,
>
> To identify the suitable virtualization technology for a project, we
> were evaluating XEN against openVZ in terms of CPU usage for a
>
networking application. The networking application indulges heavily in
>
data transfer between the virtual nodes/containers/OS's inside a high
>
end machine. While measuring the CPU usage of XEN, we see that the CPU
>
usage indicated by the virt-manager tool and xentop are way different.
>
In a four core machine, virt-manager indicates a cpu usage of 40% where
>
as xentop 130%.
>
> The domU's are configured with a virtual cpu
value 1.
> Xen version used was 3.4.2.
>
> Thanks,
>
Mahesh
>
>
>
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