Don't limit the number of processes when running cover

With the recent update to cover to use the `counters` modules,
there is no longer any reason to limit the number of parallel
processes when running `cover`.

1 files changed, 2 insertions, 17 deletions

diff --git a/lib/compiler/test/test_lib.erl b/lib/compiler/test/test_lib.erl
index 7fb4751b42..8b24e1b025 100644
--- a/lib/compiler/test/test_lib.erl
+++ b/lib/compiler/test/test_lib.erl
@@ -50,12 +50,8 @@ smoke_disasm(File) when is_list(File) ->
     Res = beam_disasm:file(File),
     {beam_file,_Mod} = {element(1, Res),element(2, Res)}.
 
-%% If we are running cover, we don't want to run test cases that
-%% invokes the compiler in parallel, as doing so would probably
-%% be slower than running them sequentially.
-
 parallel() ->
-    case test_server:is_cover() orelse erlang:system_info(schedulers) =:= 1 of
+    case erlang:system_info(schedulers) =:= 1 of
 	true -> [];
 	false -> [parallel]
     end.
@@ -117,18 +113,7 @@ is_cloned_mod_1([]) -> false.
 
 p_run(Test, List) ->
     S = erlang:system_info(schedulers),
-    N = case test_server:is_cover() of
-	    false ->
-		S + 1;
-	    true ->
-		%% Cover is running. Using too many processes
-		%% could slow us down. Measurements on my computer
-		%% showed that using 4 parallel processes was
-		%% slightly faster than using 3. Using more than
-		%% 4 would not buy us much and could actually be
-		%% slower.
-		min(S, 4)
-	end,
+    N = S + 1,
     io:format("p_run: ~p parallel processes\n", [N]),
     p_run_loop(Test, List, N, [], 0, 0).