int_loop_check: --max-iters

Signed-off-by: John McMaster <johndmcmaster@gmail.com>

fuzzers/int_loop_check.py

@@ -52,6 +52,7 @@ def run(
         min_iters=None,
         stable_iters=None,
         timeout_iters=None,
+        max_iters=None,
         zero_entries=None,
         verbose=False):
     timeout_fn = "%s/timeout" % todo_dir
@@ -82,6 +83,12 @@ def run(
         print("Incomplete: not enough iters")
         sys.exit(1)
 
+    if max_iters is not None and max_iter >= max_iters:
+        print(
+            "Complete: reached max iters (want %u, got %u)" %
+            (max_iters, max_iter))
+        sys.exit(0)
+
     if timeout_iters is not None and max_iter > timeout_iters:
         print("ERROR: timeout (max %u, got %u)" % (timeout_iters, max_iter))
         with open(timeout_fn, "w") as _f:
@@ -124,6 +131,10 @@ def main():
         '--timeout-iters',
         default=None,
         help='Max number of entries before creating todo/timeout')
+    parser.add_argument(
+        '--max-iters',
+        default=None,
+        help='Max number of entries before declaring success')
     parser.add_argument(
         '--zero-entries',
         action="store_true",
@@ -138,6 +149,7 @@ def main():
         zint(args.min_iters),
         zint(args.stable_iters),
         zint(args.timeout_iters),
+        zint(args.max_iters),
         args.zero_entries,
         verbose=args.verbose)