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authorPatrick Ohly <patrick.ohly@intel.com>2017-03-28 10:02:19 +0200
committerRichard Purdie <richard.purdie@linuxfoundation.org>2017-03-28 09:16:10 +0100
commit969d079a33a57f5a8f7af86d7bab04d35ab07584 (patch)
tree8023896281e605154aac2a5b90ef6a97d5bc0481 /meta/lib/oeqa/utils/qemutinyrunner.py
parent4c6ba32abd6b9de33f4b8a0b87e8a56432ed7825 (diff)
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oeqa: allow persistent image writes in runqemu()
By default, QemuRunner avoids modifying the image files that it boots into by enabling the qemu snapshot mode. However, some tests may want to test changes that must persists across reboots, so this mode should be optional. This can be combined by copying the image file to a temporary location first and then booting with that copy. It's also useful when testing with additional drives attached to a virtual machine. QemuTinyRunner doesn't use the snapshot parameter and therefore ignores the new parameter. Long term, a better way of passing these various configuration parameters should be used, and perhaps QemuRunner and QemuTinyRunner can be merged into one again to avoid code duplication. But for now the patch follows the exiting style. Also beware that QemuTarget.start() now acts in two different modes (with or without explicit launch command), and depending on that mode parameters like discard_writes must be ignored, i.e. not get passed to launch(). Signed-off-by: Patrick Ohly <patrick.ohly@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/lib/oeqa/utils/qemutinyrunner.py')
-rw-r--r--meta/lib/oeqa/utils/qemutinyrunner.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/meta/lib/oeqa/utils/qemutinyrunner.py b/meta/lib/oeqa/utils/qemutinyrunner.py
index df5f9ddb82..1bf59007ff 100644
--- a/meta/lib/oeqa/utils/qemutinyrunner.py
+++ b/meta/lib/oeqa/utils/qemutinyrunner.py
@@ -60,7 +60,7 @@ class QemuTinyRunner(QemuRunner):
with open(self.logfile, "a") as f:
f.write("%s" % msg)
- def start(self, qemuparams = None, ssh=True, extra_bootparams=None, runqemuparams=''):
+ def start(self, qemuparams = None, ssh=True, extra_bootparams=None, runqemuparams='', discard_writes=True):
if self.display:
os.environ["DISPLAY"] = self.display