diff -r c163a76163f7 Lib/cProfile.py
--- a/Lib/cProfile.py	Sun Jan 15 10:07:56 2017 +0000
+++ b/Lib/cProfile.py	Sun Jan 15 20:29:36 2017 -0700
@@ -110,6 +110,13 @@
         finally:
             self.disable()
 
+    def __enter__(self):
+        self.enable()
+        return self
+
+    def __exit__(self, exc_type, exc_val, exc_tb):
+        self.disable()
+
 # ____________________________________________________________
 
 def label(code):