Missed log line added back

.. and covered in test

src/leveled_log.erl

@@ -54,7 +54,9 @@
                 ++ " with fetch_count=~w"}},
     {"B0017",
         {info, "Fold timing with sample_count=~w and setup_time=~w"}},
-
+    {"B0018",
+        {info, "Positive HEAD responses timed with sample_count=~w and "
+                ++ " pcl_time=~w rsp_time=~w"}},
 
     {"R0001",
         {debug, "Object fold to process batch of ~w objects"}},

test/end_to_end/riak_SUITE.erl

@@ -54,6 +54,9 @@ crossbucket_aae(_Config) ->
                                 fun testutil:generate_smallobjects/2,
                                 40000),
 
+    %% Check all the objects are found - used to trigger HEAD performance log
+    ok = testutil:checkhead_forlist(Bookie2, lists:nth(1, CLs)),
+
     % Start a new store, and load the same objects (except fot the original
     % test object) into this store
 

test/end_to_end/testutil.erl

@@ -11,6 +11,7 @@
             reset_filestructure/0,
             reset_filestructure/1,
             check_bucket_stats/2,
+            checkhead_forlist/2,
             check_forlist/2,
             check_forlist/3,
             check_formissinglist/2,
@@ -266,6 +267,25 @@ check_forlist(Bookie, ChkList, Log) ->
     io:format("Fetch check took ~w microseconds checking list of length ~w~n",
                     [timer:now_diff(os:timestamp(), SW), length(ChkList)]).
 
+checkhead_forlist(Bookie, ChkList) ->
+    SW = os:timestamp(),
+    lists:foreach(fun({_RN, Obj, _Spc}) ->
+                    R = book_riakhead(Bookie,
+                                        Obj#r_object.bucket,
+                                        Obj#r_object.key),
+                    true = case R of
+                                {ok, _Head} ->
+                                    true;
+                                not_found ->
+                                    io:format("Object not found for key ~s~n",
+                                                [Obj#r_object.key]),
+                                    error
+                            end
+                    end,
+                ChkList),
+    io:format("Head check took ~w microseconds checking list of length ~w~n",
+                    [timer:now_diff(os:timestamp(), SW), length(ChkList)]).
+
 check_formissinglist(Bookie, ChkList) ->
     SW = os:timestamp(),
     lists:foreach(fun({_RN, Obj, _Spc}) ->