Re: [PATCH 0/9] Add throttle blkio cgroup support for libvirt

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On 12/02/2013 02:47 PM, Gao feng wrote:
> Right now, libvirt only supports the cfq based blkio cgorup,
> this means if the block devices doesn't use cfq scheduler, the
> blkio cgroup will loss effect.
> 
> This patchset adds the throttle blkio cgroup support for libvirt,
> intoduces four elements for domain configuration and extend the
> virsh command blkiotune.
> 
> This patchset is a new version of Guan Qiang's patchset
> ://www.redhat.com/archives/libvir-list/2013-October/msg01066.html
> 
> Change form Guan Qiang's patchset:
> 1, split to 8 patches, make logic more clear
> 2, change the type of read/write iops form unsigned long long to unsigned int,
>    trying to set read/write iops to the value which bigger than max number of
>    unsigned int will fail.
> 3, fix some logic shortage.
> 
> Gao feng (9):
>   rename virDomainBlkioDeviceWeightParseXML to
>     virDomainBlkioDeviceParseXML
>   rename virBlkioDeviceWeightArrayClear to virBlkioDeviceArrayClear
>   rename virBlkioDeviceWeightPtr to virBlkioDevicePtr
>   domain: introduce xml elements for throttle blkio cgroup
>   blkio: Setting throttle blkio cgroup for domain
>   qemu: allow to setup throttle blkio cgroup through virsh
>   virsh: add virsh manual for setting throttle blkio cgroup
>   lxc: allow to setup throttle blkio cgroup through virsh
>   qemu: add new throttle blkio cgroup elements to the test xml
> 
>  docs/schemas/domaincommon.rng                      |  28 +-
>  include/libvirt/libvirt.h.in                       |  45 ++
>  src/conf/domain_conf.c                             | 113 +++-
>  src/conf/domain_conf.h                             |  16 +-
>  src/libvirt_private.syms                           |   5 +-
>  src/lxc/lxc_cgroup.c                               |  12 +-
>  src/lxc/lxc_driver.c                               | 649 ++++++++++++++++++++-
>  src/qemu/qemu_cgroup.c                             |  13 +-
>  src/qemu/qemu_driver.c                             | 432 ++++++++++++--
>  src/util/vircgroup.c                               | 170 +++++-
>  src/util/vircgroup.h                               |  18 +
>  .../qemuxml2argv-blkiotune-device.xml              |   8 +
>  tools/virsh-domain.c                               |  64 ++
>  tools/virsh.pod                                    |  36 +-
>  14 files changed, 1485 insertions(+), 124 deletions(-)
> 

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