Index: packages/Python/lldbsuite/test/configuration.py
===================================================================
--- packages/Python/lldbsuite/test/configuration.py
+++ packages/Python/lldbsuite/test/configuration.py
@@ -30,6 +30,8 @@
 use_categories = False
 # Categories we want to skip
 skip_categories = ["darwin-log"]
+# Categories we expect to fail
+xfail_categories = []
 # use this to track per-category failures
 failures_per_category = {}
 
Index: packages/Python/lldbsuite/test/dotest.py
===================================================================
--- packages/Python/lldbsuite/test/dotest.py
+++ packages/Python/lldbsuite/test/dotest.py
@@ -329,6 +329,10 @@
         configuration.skip_categories += test_categories.validate(
             args.skip_categories, False)
 
+    if args.xfail_categories:
+        configuration.xfail_categories += test_categories.validate(
+            args.xfail_categories, False)
+
     if args.E:
         os.environ['CFLAGS_EXTRAS'] = args.E
 
Index: packages/Python/lldbsuite/test/dotest_args.py
===================================================================
--- packages/Python/lldbsuite/test/dotest_args.py
+++ packages/Python/lldbsuite/test/dotest_args.py
@@ -84,6 +84,12 @@
         action='append',
         dest='skip_categories',
         help=textwrap.dedent('''Specify categories of test cases to skip. Takes precedence over -G. Can be specified more than once.'''))
+    group.add_argument(
+        '--xfail-category',
+        metavar='category',
+        action='append',
+        dest='xfail_categories',
+        help=textwrap.dedent('''Specify categories of test cases that are expected to fail. Can be specified more than once.'''))
 
     # Configuration options
     group = parser.add_argument_group('Configuration options')
Index: packages/Python/lldbsuite/test/test_result.py
===================================================================
--- packages/Python/lldbsuite/test/test_result.py
+++ packages/Python/lldbsuite/test/test_result.py
@@ -156,6 +156,10 @@
                     return True
         return False
 
+    def checkCategoryExclusion(self, exclusion_list, test):
+        return not set(exclusion_list).isdisjoint(
+            self.getCategoriesForTest(test))
+
     def startTest(self, test):
         if configuration.shouldSkipBecauseOfCategories(
                 self.getCategoriesForTest(test)):
@@ -174,8 +178,10 @@
                 EventBuilder.event_for_start(test))
 
     def addSuccess(self, test):
-        if self.checkExclusion(
-                configuration.xfail_tests, test.id()):
+        if (self.checkExclusion(
+                configuration.xfail_tests, test.id()) or
+            self.checkCategoryExclusion(
+                configuration.xfail_categories, test)):
             self.addUnexpectedSuccess(test, None)
             return
 
@@ -245,8 +251,10 @@
                     test, err))
 
     def addFailure(self, test, err):
-        if self.checkExclusion(
-                configuration.xfail_tests, test.id()):
+        if (self.checkExclusion(
+                configuration.xfail_tests, test.id()) or
+            self.checkCategoryExclusion(
+                configuration.xfail_categories, test)):
             self.addExpectedFailure(test, err, None)
             return