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migration: Fix analyze-migration.py 'configuration' parsing

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The 'configuration' state subsections are currently not being parsed
and the script fails when analyzing an aarch64 stream:

Traceback (most recent call last):
  File "./scripts/analyze-migration.py", line 625, in <module>
    dump.read(dump_memory = args.memory)
  File "./scripts/analyze-migration.py", line 571, in read
    raise Exception("Unknown section type: %d" % section_type)
Exception: Unknown section type: 5

Signed-off-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Message-ID: <20231009184326.15777-3-farosas@suse.de>
This commit is contained in:
Fabiano Rosas 2023-10-09 15:43:22 -03:00 committed by Juan Quintela
parent 2aae1eb8da
commit c36c31c86b
1 changed files with 14 additions and 4 deletions
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18
scripts/analyze-migration.py
View file

@ -261,12 +261,21 @@ def getDict(self):
class ConfigurationSection(object):
def __init__(self, file):
def __init__(self, file, desc):
self.file = file
self.desc = desc
def read(self):
name_len = self.file.read32()
name = self.file.readstr(len = name_len)
if self.desc:
version_id = self.desc['version']
section = VMSDSection(self.file, version_id, self.desc,
'configuration')
section.read()
else:
# backward compatibility for older streams that don't have
# the configuration section in the json
name_len = self.file.read32()
name = self.file.readstr(len = name_len)
class VMSDFieldGeneric(object):
def __init__(self, desc, file):
@ -532,7 +541,8 @@ def read(self, desc_only = False, dump_memory = False, write_memory = False):
if section_type == self.QEMU_VM_EOF:
break
elif section_type == self.QEMU_VM_CONFIGURATION:
section = ConfigurationSection(file)
config_desc = self.vmsd_desc.get('configuration')
section = ConfigurationSection(file, config_desc)
section.read()
elif section_type == self.QEMU_VM_SECTION_START or section_type == self.QEMU_VM_SECTION_FULL:
section_id = file.read32()