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>
Upon further investigation it sets Device parameters that don't exist any
longer, thus causing exceptions. As it looks like this is completely
obsolete, and no one is actively working on it, we should just rip it out to
end the confusion.
Signed-off-by: Sean Dague <sean@dague.net>
all the param variables, make consistant use of bold and italics in the the
man pages to make it easier to read, and adds a few minor content additions.
It makes actually reading the man page a lot easier.
Signed-off-by: Sean Dague <sean@dague.net>
page. Most of this content came from the xensource wiki or the sedf doc in
the Xen tree. It still needs more work, but it is a good first start.
Signed-off-by: Sean Dague <sean@dague.net>
adds pretty reasonable text to most of the code xen domain and host commands
(device and scheduler will come in the future).
Signed-off-by: Sean Dague <sean@dague.net>
