diff -r af402c6b90db -r 15a1e37f80bd mercurial/configitems.py
--- a/mercurial/configitems.py	Fri Jun 01 11:23:27 2018 +0200
+++ b/mercurial/configitems.py	Fri Jun 01 17:27:58 2018 +0200
@@ -867,6 +867,9 @@
 coreconfigitem('profiling', 'statformat',
     default='hotpath',
 )
+coreconfigitem('profiling', 'time-track',
+    default='cpu',
+)
 coreconfigitem('profiling', 'type',
     default='stat',
 )