[libvirt] [PATCH] Fix disk stats retrieval with QEMU >= 0.12
Thomas Treutner
thomas at scripty.at
Wed Feb 10 19:25:24 UTC 2010
On Wednesday 10 February 2010 18:49:15 Daniel P. Berrange wrote:
> With QEMU >= 0.12 the host and guest side of disks no longer have
> the same naming convention. Specifically the host side will now
> get a 'drive-' prefix added to its name. The 'info blockstats'
> monitor command returns the host side name, so it is neccessary
> to strip this off when looking up stats since libvirt stores the
> guest side name !
>
> * src/qemu/qemu_conf.c, src/qemu/qemu_conf.h: Move 'drive-' prefix
> string to a defined constant
> * src/qemu/qemu_monitor_json.c, src/qemu/qemu_monitor_text.c: Strip
> off 'drive-' prefix (if found) when looking up disk stats
> ---
> src/qemu/qemu_conf.c | 4 ++--
> src/qemu/qemu_conf.h | 2 ++
> src/qemu/qemu_monitor_json.c | 7 +++++++
> src/qemu/qemu_monitor_text.c | 7 +++++++
> 4 files changed, 18 insertions(+), 2 deletions(-)
> [...]
Thanks a lot, fixes the problem also for qemu-kvm-0.12.2
-t
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