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Francesco Romani
1f4831ee6e
qemu: bulk stats: extend internal collection API
Future patches which will implement more bulk stats groups for QEMU will need to access the connection object. To accommodate that, a few changes are needed: * enrich internal prototype to pass qemu driver object * add per-group flag to mark if one collector needs monitor access or not * If at least one collector of the requested stats needs monitor access we must start a query job for each domain. The specific collectors will run nested monitor jobs inside that. * If the job can't be acquired we pass flags to the collector so specific collectors that need monitor access can be skipped in order to gather as much data as is possible. Signed-off-by: Francesco Romani <fromani@redhat.com> Signed-off-by: Peter Krempa <pkrempa@redhat.com>
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>
Description
Libvirt provides a portable, long term stable C API for managing the
virtualization technologies provided by many operating systems. It
includes support for QEMU, KVM, Xen, LXC, bhyve, Virtuozzo, VMware
vCenter and ESX, VMware Desktop, Hyper-V, VirtualBox and the POWER
Hypervisor.
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