Add poll interval to avoid high CPU usage.

Change-Id: Ic41285795521a6b5d45ad9b8a29a15cdcdb7db9f
google · Nov 14, 2018 · f61bb68 · f61bb68
1 parent 3f27f66
commit f61bb68
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/tests/vision_examples_test.py b/src/tests/vision_examples_test.py
@@ -21,12 +21,13 @@ def example_path(name):
     p = os.path.join(os.path.dirname(__file__), '..', 'examples', 'vision', name)
     return os.path.abspath(p)
 
-def wait_terminated(process, timeout):
+def wait_terminated(process, timeout, poll_interval=1.0):
     start = time.monotonic()
     while time.monotonic() - start < timeout:
         code = process.poll()
         if code is not None:
             return code
+        time.sleep(poll_interval)
     return None
 
 class VisionExamplesTest(unittest.TestCase):