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List: xen-users
Subject: [Xen-users] Memory information in 'xl list' output
From: Anil Rao <anil.rao () ericsson ! com>
Date: 2011-12-27 23:21:00
Message-ID: DD729E174A25344F8D7D351BA4CF57272A82577BD8 () EUSAACMS0715 ! eamcs ! ericsson ! se
[Download RAW message or body]
I was wondering if someone could help me decipher the memory related output=
of 'xl list'.
# xl list
Name ID Mem VCPUs State Time(s)
Domain-0 0 1024 8 r----- 50198.0
Hvm_01 23 1019 2 -b---- 38.5
Hvm_02 24 2043 2 -b---- 38.1
Domain-0 has a configured memory size of 1024 MB. Hvm_01 and Hvm_02 have co=
nfigured memory sizes of 1024 MB and 2048 MB respectively. The host compute=
r has 6+ GB of physical memory.
I am surprised why the values under 'Mem' for Hvm_01 and Hvm_02 are 5 MB le=
ss than their configured memory sizes. Is this somehow related to the memor=
y overhead needed by Xen to run these VMs?
I am running Xen 4.0.1 along with PVOPS Dom-0 (2.6.32 kernel).
Thanks.
-Anil
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<div>I was wondering if someone could help me decipher the memory related output of \
'xl list'.</div> <div> </div>
<div># xl list</div>
<div>Name \
ID Mem VCPUs State Time(s)</div> \
<div>Domain-0 \
0 1024 \
8 \
r----- 50198.0</div> \
<div>Hvm_01 \
23 1019 \
2 \
-b---- 38.5</div> \
<div>Hvm_02 \
24 2043 \
2 \
-b---- 38.1</div> <div> </div>
<div>Domain-0 has a configured memory size of 1024 MB. Hvm_01 and Hvm_02 have \
configured memory sizes of 1024 MB and 2048 MB respectively. The host computer has \
6+ GB of physical memory. </div> <div> </div>
<div>I am surprised why the values under 'Mem' for Hvm_01 and Hvm_02 are 5 MB less \
than their configured memory sizes. Is this somehow related to the memory overhead \
needed by Xen to run these VMs?</div> <div> </div>
<div>I am running Xen 4.0.1 along with PVOPS Dom-0 (2.6.32 kernel).</div>
<div> </div>
<div>Thanks.</div>
<div>-Anil</div>
<div> </div>
<div> </div>
<div> </div>
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</body>
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