diff -r 4e79c3ae8a12 Lib/pstats.py
--- a/Lib/pstats.py	Wed Aug 21 01:34:18 2013 -0700
+++ b/Lib/pstats.py	Wed Aug 21 10:59:11 2013 +0100
@@ -154,20 +154,22 @@
     # list the tuple indices and directions for sorting,
     # along with some printable description
     sort_arg_dict_default = {
-              "calls"     : (((1,-1),              ), "call count"),
-              "ncalls"    : (((1,-1),              ), "call count"),
-              "cumtime"   : (((3,-1),              ), "cumulative time"),
-              "cumulative": (((3,-1),              ), "cumulative time"),
-              "file"      : (((4, 1),              ), "file name"),
-              "filename"  : (((4, 1),              ), "file name"),
-              "line"      : (((5, 1),              ), "line number"),
-              "module"    : (((4, 1),              ), "file name"),
-              "name"      : (((6, 1),              ), "function name"),
-              "nfl"       : (((6, 1),(4, 1),(5, 1),), "name/file/line"),
-              "pcalls"    : (((0,-1),              ), "primitive call count"),
-              "stdname"   : (((7, 1),              ), "standard name"),
-              "time"      : (((2,-1),              ), "internal time"),
-              "tottime"   : (((2,-1),              ), "internal time"),
+              "calls"            : (((1,-1),              ), "call count"),
+              "ncalls"           : (((1,-1),              ), "call count"),
+              "cumtime"          : (((4,-1),              ), "cumulative time"),
+              "cumulative"       : (((4,-1),              ), "cumulative time"),
+              "file"             : (((6, 1),              ), "file name"),
+              "filename"         : (((6, 1),              ), "file name"),
+              "line"             : (((7, 1),              ), "line number"),
+              "module"           : (((6, 1),              ), "file name"),
+              "name"             : (((8, 1),              ), "function name"),
+              "nfl"              : (((8, 1),(6, 1),(7, 1),), "name/file/line"),
+              "pcalls"           : (((0,-1),              ), "primitive call count"),
+              "stdname"          : (((9, 1),              ), "standard name"),
+              "time"             : (((2,-1),              ), "internal time"),
+              "tottime"          : (((2,-1),              ), "internal time"),
+              "cumulativepercall": (((5,-1),              ), "cumulative time per call"),
+              "totalpercall"     : (((3,-1),              ), "total time per call"),
               }
 
     def get_sort_arg_defs(self):
@@ -211,7 +213,17 @@
 
         stats_list = []
         for func, (cc, nc, tt, ct, callers) in self.stats.items():
-            stats_list.append((cc, nc, tt, ct) + func +
+            if nc == 0:
+                npc = 0
+            else:
+                npc = float(tt)/nc
+
+            if cc == 0:
+                cpc = 0
+            else:
+                cpc = float(ct)/cc
+
+            stats_list.append((cc, nc, tt, npc, ct, cpc) + func +
                               (func_std_string(func), func))
 
         stats_list.sort(key=cmp_to_key(TupleComp(sort_tuple).compare))