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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Osier Yang a9bfe887f9 qemu: Create or remove cgroup when doing vcpu hotpluging
Various APIs use cgroup to either set or get the statistics of
host or guest. Hotplug or hot unplug new vcpus without creating
or removing the cgroup for the vcpus could cause problems for
those APIs. E.g.

% virsh vcpucount dom
maximum      config        10
maximum      live          10
current      config         1
current      live           1

% virsh setvcpu dom 2

% virsh schedinfo dom --set vcpu_quota=1000
Scheduler      : posix
error: Unable to find vcpu cgroup for rhel6.2(vcpu: 1): No such file or
directory

This patch fixes the problem by creating cgroups for each of the
onlined vcpus, and destroying cgroups for each of the offlined
vcpus.
2012-10-15 12:15:32 +08:00
.gnulib@2a9edc6f2b build: update gnulib for FreeBSD build 2012-10-03 11:50:02 -06:00
build-aux maint: fix up copyright notice inconsistencies 2012-09-20 16:30:55 -06:00
daemon Tweak comments in the policykit rules file 2012-10-14 15:21:18 -04:00
docs doc: Sort out the relationship between <vcpu>, <vcpupin>, and <emulatorpin> 2012-10-15 12:13:34 +08:00
examples Various typos and misspellings 2012-10-12 00:03:43 +02:00
gnulib build: fix fresh checkout on RHEL5 2012-04-19 17:11:43 -06:00
include Various typos and misspellings 2012-10-12 00:03:43 +02:00
m4 build: avoid -Wno-format on new-enough gcc 2012-10-02 09:48:23 -06:00
po locking: Implement lock failure action in sanlock driver 2012-10-11 14:41:42 +02:00
python Properly parse (unsigned) long long 2012-10-13 02:54:11 +02:00
src qemu: Create or remove cgroup when doing vcpu hotpluging 2012-10-15 12:15:32 +08:00
tests selinux: Use raw contexts 2012-10-12 17:54:09 +02:00
tools virsh: remove reference to migration in blockcopy 2012-10-11 21:12:45 -06:00
.dir-locals.el build: avoid tabs that failed syntax-check 2012-09-06 09:43:46 -06:00
.gitignore Only keep one polkit rules file 2012-10-14 15:21:18 -04:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap network: fix dnsmasq/radvd binding to IPv6 on recent kernels 2012-09-27 11:17:52 -06:00
AUTHORS Fix typo in HAVE_DBUS automake conditional 2012-10-08 10:33:48 -06:00
autobuild.sh Switch automated builds to use Mingw64 toolchain instead of Mingw32 2012-06-25 10:41:10 +01:00
autogen.sh build: avoid infinite autogen loop 2012-10-01 09:47:38 -06:00
bootstrap maint: regenerate bootstrap 2012-07-27 09:34:04 -06:00
bootstrap.conf maint: fix up copyright notice inconsistencies 2012-09-20 16:30:55 -06:00
cfg.mk build: avoid infinite autogen loop 2012-10-01 09:47:38 -06:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac selinux: Use raw contexts 2012-10-12 17:54:09 +02:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Various typos and misspellings 2012-10-12 00:03:43 +02:00
libvirt.pc.in build: silence warning from autoconf 2012-05-30 09:22:02 -06:00
libvirt.spec.in spec: Add support for libssh2 transport 2012-10-12 23:36:11 +02:00
Makefile.am Add a ./run script for running programs from the local directory. 2012-09-18 10:59:16 +01:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw-libvirt.spec.in parallels: add driver skeleton 2012-08-01 11:44:26 +08:00
README Correct typos in the documentation (Atsushi SAKAI) 2008-01-24 10:15:13 +00:00
README-hacking maint: relax git minimum version 2010-02-24 14:29:27 -05:00
run.in syntax-check: fix run.in 2012-09-18 13:59:53 +02:00
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

         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>