[RFC PATCH 12/16] tests: qemublock: Add synthetic snapshot+checkpoint test data
Eric Blake
eblake at redhat.com
Tue Jan 28 14:37:00 UTC 2020
On 1/9/20 12:21 PM, Peter Krempa wrote:
> Add a faked qemu output which would simulate scenario where libvirt
> would take a snapshot and checkpoint simultaneously. This is visible in
> libvirt-2-format node where bitmap 'c' appears, but bitmap 'b' which is
> active in the previous layer is not present.
>
> Signed-off-by: Peter Krempa <pkrempa at redhat.com>
> ---
> tests/qemublocktest.c | 1 +
> .../snapshots-synthetic-checkpoint.json | 827 ++++++++++++++++++
Hmm - proof why we want qemu to add the optional flat parameter to avoid
the O(n^2) growth of output as backing chains get longer.
> .../bitmap/snapshots-synthetic-checkpoint.out | 13 +
> 3 files changed, 841 insertions(+)
> create mode 100644 tests/qemublocktestdata/bitmap/snapshots-synthetic-checkpoint.json
> create mode 100644 tests/qemublocktestdata/bitmap/snapshots-synthetic-checkpoint.out
>
The test itself looks sane.
Reviewed-by: Eric Blake <eblake at redhat.com>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
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