[PATCH 0/4] qemu: Report stats for backing images

[Ján Tomko]

On a Monday in 2021, Peter Krempa wrote:
>Management tools such as oVirt need to monitor the 'allocation' of the
>backup job scratch file or disk copy target. Add the stats to the bulk
>stats.
>
>The stats can be queried by:
>
> $ virsh domstats $VM --block --backing
>
>Patch 1 fixes a bug in the status XML formatter where we'd not store the
>private data for the scratch file of a backup job, which resulted in a
>failure of getting the stats after restart of libvirtd.
>
>Peter Krempa (4):
>  virDomainBackupDefFormat: Propagate private data callbacks
>  qemustatusxml2xmldata: backup-pull: Add private data for scratch image
>  qemuMonitorJSONQueryBlockstats: query stats for helper images
>  qemuDomainGetStatsBlockExportDisk: Report stats also for helper images
>
> src/conf/backup_conf.c                        | 10 +--
> src/conf/backup_conf.h                        |  3 +-
> src/qemu/qemu_backup.c                        |  4 +-
> src/qemu/qemu_domain.c                        |  2 +-
> src/qemu/qemu_driver.c                        | 61 +++++++++++++++++++
> src/qemu/qemu_monitor.c                       |  4 +-
> src/qemu/qemu_monitor_json.c                  | 20 +++---
> src/qemu/qemu_monitor_json.h                  |  3 +-
> tests/genericxml2xmltest.c                    |  2 +-
> .../qemustatusxml2xmldata/backup-pull-in.xml  |  9 ++-
> 10 files changed, 95 insertions(+), 23 deletions(-)
>

Reviewed-by: Ján Tomko <jtomko at redhat.com>

Jano
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