emellor@leeni.uk.xensource.com 9b08b0371d This patch adds a new domain config option, 'cpus' which is a list of ...

CPUs a domains' vcpus can use.  The older 'cpu' config option is
prepended to the list of cpus to use and will keep the behavior of
pinning VCPU0.

The cpus option supports ranges and negation, so:

cpus = "0-3,5,^1" produces -> [0,2,3,5]

The list is circular, so in a domain with the following config:

vcpus = 4
cpus  = "0,3,7"  # Use any of 0, 3, 7 for this domain.

would see vcpus 0-3 pinned to cpus 0,3,7,0 respectively.

Also, the pin operation is moved before the memory reservation as vcpu
to cpu mapping will be helpful for future NUMA work when trying to
allocate pages close to the physical cpus being used.

An update to the display of cpumap was needed to normalize the cpumap
values to the range of possible cpus.

I've also included some text for the xmdomain.cfg(5) man page.

Signed-off-by: Ryan Harper <ryanh@us.ibm.com>

2005-12-02 15:52:47 +00:00

..

xend-config.sxp.pod.5

First stab at a xend-config.sxp man page.

2005-11-20 15:01:15 +01:00

xm.pod.1

added block device content, including finding a few more bugs in xen

2005-11-18 12:58:16 +01:00

xmdomain.cfg.pod.5

This patch adds a new domain config option, 'cpus' which is a list of

2005-12-02 15:52:47 +00:00