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 <[email protected]>
---
  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 <[email protected]>

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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