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xen-users
Re: [Xen-users] understanding xm top
So the "whole box" means the CPU
utilization for each domain is the percentage by all available CPUs? For
example, suppose I have four CPUs and domain0/domainU each has one VCPU (mapped
to a fixed physial CPU). If xm top shows 10% CPU utilization for domain0,
it means the CPU utilization in domain0 is 10% of FOUR physcial
CPUs. Is this right?
Thanks,
Liang
----- Original Message -----
Sent: Wednesday, November 15, 2006 8:28
AM
Subject: Re: [Xen-users] understanding xm
top
These values are for the "whole box" meaning: whatever you
start dom0 with, whatever you start a domU with, xm top will show. They
will not change even after doing vcpu-sets or mem-sets, and so they do always
match with xm list.
On 11/11/06, john
maclean <jayeola@xxxxxxxxx>
wrote:
For
the output of 'xm top', are the %mem and %cpu fields the
percentages for
the totals or the amount that they have been
allocated? For
example:-
acid:~# xm
list
Name ID
Mem(MiB) VCPUs State Time(s)
Domain-0
0 256 1
r----- 3825.9
bxvm
1 128 1
------
355.4
cxvm
3 128 1
-b---- 76.1
cxvm0 8
64 1 -b----
383.5
exvm
9 98 1
------ 198.4
If xm top showed
NAME STATE CPU(sec) CPU(%)
MEM(k) MEM(%) MAXMEM(k)
MAXMEM(%) VCPUS NETS NETTX(k) NETRX(k)
SSID
Domain-0 -----r
3847 6.5 262148
25.2 no limit
n/a
1 8 31428
456290 0
bxvm
--b--- 356 0.6 68376 6.6 73728
7.1
1 1 30490 19836 0
cxvm0
--b--- 383 0.0
65348 6.3 65536
6.3
1 1 4065
168943 0
exvm
--b--- 199 0.9 64328 6.2 65536
6.3
1 1
1095 718 0
cxvm
--b---
76 0.0 64320
6.2 65536
6.3
1 1 994
4902 0
Are the CPU(%) and
MAXMEM(%) a percentage of the total cpu and mem
for the whole
box or just what they have been allocated, as shown by
`xm
list`?
Thanks Chaps.
--
John Maclean - 07739 171
531
MSc
(DIC)
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