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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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Eric Blake 0d0b409863 cpustats: collect VM user and sys times 
As documented in linux.git/Documentation/cgroups/cpuacct.txt,
cpuacct.stat returns user and system time in ticks (the same
unit used in times(2)).  It would be a bit nicer if it were like
getrusage(2) and reported timeval contents, or like cpuacct.usage
and in nanoseconds, but we can't be picky.

* src/util/cgroup.h (virCgroupGetCpuacctStat): New function.
* src/util/cgroup.c (virCgroupGetCpuacctStat): Implement it.
(virCgroupGetValueStr): Allow for multi-line files.
* src/libvirt_private.syms (cgroup.h): Export it.
2012-03-12 08:46:56 -06:00
.gnulib@d5612c714c build: prohibit cross-inclusion 2012-03-02 06:22:43 -07:00
daemon api: add overflow error 2012-03-07 18:24:43 -07:00
docs qemu: support disk filenames with comma 2012-03-12 08:09:37 -06:00
examples maint: consolidate several .gitignore files 2012-02-03 15:27:16 -07:00
gnulib build: update to latest gnulib 2012-01-12 15:47:54 -07:00
include api: add overflow error 2012-03-07 18:24:43 -07:00
m4 build: silence some compiler warnings from gnulib 2012-01-19 13:14:10 -07:00
po util: Add helpers for safe domain console operations 2012-02-27 15:05:17 +01:00
python python: Expose virDomain{G,S}etInterfaceParameters APIs in python binding 2012-02-16 10:15:16 +08:00
src cpustats: collect VM user and sys times 2012-03-12 08:46:56 -06:00
tests qemu: support disk filenames with comma 2012-03-12 08:09:37 -06:00
tools virsh: Use option alias for outmoded "--persistent" 2012-03-09 13:21:01 +08:00
.dir-locals.el maint: let emacs avoid tabs in rng files 2011-08-13 08:56:26 -06:00
.gitignore remove daemon/probes.h from .gitignore 2012-03-08 17:00:40 -05:00
.gitmodules make .gnulib a submodule 2009-07-08 16:17:51 +02:00
.mailmap maint: prune duplicate listings in AUTHORS 2012-02-03 09:56:45 -07:00
AUTHORS qemu: spice agent-mouse support 2012-03-09 15:26:24 +08:00
autobuild.sh Disable python explicitly in mingw32 autobuild 2011-12-19 13:44:18 +00:00
autogen.sh build: allow for local gnulib diffs 2011-11-09 09:03:33 -07:00
bootstrap build: update to latest gnulib 2012-02-29 10:27:40 -07:00
bootstrap.conf Replace hashing algorithm with murmurhash 2012-01-26 14:18:53 +00:00
cfg.mk build: use correct type for pid and similar types 2012-03-02 06:57:43 -07:00
ChangeLog-old virterror.c: Fix several spelling mistakes 2012-02-03 11:32:51 -07:00
configure.ac util: Add helpers for safe domain console operations 2012-02-27 15:05:17 +01:00
COPYING.LIB remove all trailing blank lines 2009-07-16 15:06:42 +02:00
HACKING Document STREQ_NULLABLE and STRNEQ_NULLABLE 2011-10-06 16:50:38 +02:00
libvirt.pc.in Fix typos in API XML file paths 2012-02-15 11:29:38 +00:00
libvirt.spec.in Fixed service handling in specfile 2012-02-24 16:31:04 -07:00
Makefile.am maint: add missing copyright notices 2011-07-28 15:01:17 -06:00
Makefile.nonreentrant Ban use of all inet_* functions 2010-10-22 11:59:23 +01:00
mingw32-libvirt.spec.in Fix typos in API XML file paths 2012-02-15 11:29:38 +00:00
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
TODO Update todo list file to point at bugzilla/website 2010-10-13 16:45:26 +01:00

README 

         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>