analyze-migration: ignore RAM_SAVE_FLAG_MULTIFD_FLUSH

Traceback (most recent call last):
  File "scripts/analyze-migration.py", line 605, in <module>
    dump.read(dump_memory = args.memory)
  File "scripts/analyze-migration.py", line 542, in read
    section.read()
  File "scripts/analyze-migration.py", line 214, in read
    raise Exception("Unknown RAM flags: %x" % flags)
Exception: Unknown RAM flags: 200

See commit 77c259a ("multifd: Create property multifd-flush-after-each-section")

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>

scripts/analyze-migration.py

@@ -111,6 +111,8 @@ class RamSection(object):
     RAM_SAVE_FLAG_CONTINUE = 0x20
     RAM_SAVE_FLAG_XBZRLE   = 0x40
     RAM_SAVE_FLAG_HOOK     = 0x80
+    RAM_SAVE_FLAG_COMPRESS_PAGE = 0x100
+    RAM_SAVE_FLAG_MULTIFD_FLUSH = 0x200
 
     def __init__(self, file, version_id, ramargs, section_key):
         if version_id != 4:
@@ -205,6 +207,8 @@ def read(self):
                 raise Exception("XBZRLE RAM compression is not supported yet")
             elif flags & self.RAM_SAVE_FLAG_HOOK:
                 raise Exception("RAM hooks don't make sense with files")
+            if flags & self.RAM_SAVE_FLAG_MULTIFD_FLUSH:
+                continue
 
             # End of RAM section
             if flags & self.RAM_SAVE_FLAG_EOS: