[Xen-devel] [PATCH OSSTEST v4 23/25] Debian.pm: Assume 100MB/s dd from /dev/zero when creating a raw disk image

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

In my local test:
10000+0 records in
10000+0 records out
10485760000 bytes (10 GB) copied, 80.8332 s, 130 MB/s

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 Osstest/TestSupport.pm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Osstest/TestSupport.pm b/Osstest/TestSupport.pm
index 61fd7bc..391c9b2 100644
--- a/Osstest/TestSupport.pm
+++ b/Osstest/TestSupport.pm
@@ -1586,7 +1586,9 @@ sub make_qcow2 ($$$) {
 }
 sub make_raw ($$$) {
     my ($ho, $gho, $disk_mb) = @_;
-    target_cmd_root($ho, "dd if=/dev/zero of=$gho->{Rootimg} bs=1M 
count=${disk_mb}");
+    # In local tests this reported 130MB/s, so calculate a timeout assuming 
100MB/s.
+    target_cmd_root($ho, "dd if=/dev/zero of=$gho->{Rootimg} bs=1M 
count=${disk_mb}",
+       ${disk_mb} / 100);
 }
 
 sub prepareguest_part_diskimg ($$$) {
-- 
2.1.4


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