[OE-core] [PATCH] scripts/runqemu: Add snapshot support
Richard Purdie
richard.purdie at linuxfoundation.org
Tue Sep 6 13:42:40 UTC 2016
Allow access to the snapshot option of qemu to simplify some of our runtime
testing to avoid copying images.
Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
diff --git a/scripts/runqemu b/scripts/runqemu
index a94cc65..867e818 100755
--- a/scripts/runqemu
+++ b/scripts/runqemu
@@ -160,7 +160,8 @@ class BaseConfig(object):
self.custombiosdir = ''
self.lock = ''
self.lock_descriptor = ''
- self. bitbake_e = ''
+ self.bitbake_e = ''
+ self.snapshot = False
self.fstypes = ('ext2', 'ext3', 'ext4', 'jffs2', 'nfs', 'btrfs', 'cpio.gz', 'cpio', 'ramfs')
self.vmtypes = ('hddimg', 'hdddirect', 'wic', 'vmdk', 'qcow2', 'vdi', 'iso')
@@ -312,6 +313,8 @@ class BaseConfig(object):
self.vhost_enabled = True
elif arg == 'slirp':
self.slirp_enabled = True
+ elif arg == 'snapshot':
+ self.snapshot = True
elif arg == 'publicvnc':
self.qemu_opt_script += ' -vnc :0'
elif arg.startswith('tcpserial='):
@@ -750,6 +753,9 @@ class BaseConfig(object):
# Enable virtio RNG else we can run out of entropy in guests
self.qemu_opt += " -device virtio-rng-pci"
+ if self.snapshot:
+ self.qemu_opt += " -snapshot"
+
if self.serialstdio:
logger.info("Interrupt character is '^]'")
cmd = "stty intr ^]"
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