simplebench/bench-backup: support qcow2 source files

Add support for qcow2 source. New option says to use test-source.qcow2
instead of test-source. Of course, test-source.qcow2 should be
precreated.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/scripts/simplebench/bench-backup.py b/scripts/simplebench/bench-backup.py
index fbc85f266f..a2120fcbf0 100755
--- a/scripts/simplebench/bench-backup.py
+++ b/scripts/simplebench/bench-backup.py
@@ -58,6 +58,8 @@ def bench(args):
 
         if src == 'nbd':
             source = nbd_drv
+        elif args.qcow2_sources:
+            source = drv_qcow2(drv_file(dirs[src] + '/test-source.qcow2'))
         else:
             source = drv_file(dirs[src] + '/test-source')
 
@@ -199,6 +201,9 @@ Tests, in form source-dir-label:target-dir-label''',
 Use compressed backup. It automatically means
 automatically creating qcow2 target with
 lazy_refcounts for each test run''', action='store_true')
+    p.add_argument('--qcow2-sources', help='''\
+Use test-source.qcow2 images as sources instead of
+test-source raw images''', action='store_true')
     p.add_argument('--target-cache', help='''\
 Setup cache for target nodes. Options:
    direct: default, use O_DIRECT and aio=native