zdtm: Cache CRIU feature check results.

Make the tests faster by avoiding multiple runs of `criu` with same args when detecting CRIU features. Signed-off-by: Michał Mirosław <[email protected]>
checkpoint-restore · Jun 19, 2023 · c99e6bb · c99e6bb
1 parent 8ce79c3
commit c99e6bb
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/test/zdtm.py b/test/zdtm.py
@@ -11,6 +11,7 @@
 import datetime
 import errno
 import fcntl
+import functools
 import glob
 import linecache
 import mmap
@@ -1497,6 +1498,7 @@ def restore(self):
             pstree_check_stopped(self.__test.getpid())
             pstree_signal(self.__test.getpid(), signal.SIGCONT)
 
+    @functools.cache
     @staticmethod
     def check(feature):
         if feature == 'stream':