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0c92e1428f
The man page suggest that the cpu_shares parameter of schedinfo allows values 0-262144, but the kernel remaps values 0 and 1 to the minimum 2, just document that behaviour: [root@test ~]# cat /cgroup/cpu/libvirt/qemu/cpu.shares 1024 [root@test ~]# echo 0 > /cgroup/cpu/libvirt/qemu/cpu.shares [root@test ~]# cat /cgroup/cpu/libvirt/qemu/cpu.shares 2 [root@test ~]# echo 1 > /cgroup/cpu/libvirt/qemu/cpu.shares [root@test ~]# cat /cgroup/cpu/libvirt/qemu/cpu.shares 2 [root@test ~]# * tools/virsh.pod: update description of the cpu_shares parameter to indicate the values 0 and 1 are automatically changed by the kernel to minimal value 2
LibVirt : simple API for virtualization
Libvirt is a C toolkit to interact with the virtualization capabilities
of recent versions of Linux (and other OSes). It is free software
available under the GNU Lesser General Public License. Virtualization of
the Linux Operating System means the ability to run multiple instances of
Operating Systems concurrently on a single hardware system where the basic
resources are driven by a Linux instance. The library aim at providing
long term stable C API initially for the Xen paravirtualization but
should be able to integrate other virtualization mechanisms if needed.
Daniel Veillard <veillard@redhat.com>