Merge branch 'egil/tools/modernize-tests'

* egil/tools/modernize-tests:
  tools: Don't divide by zero in tests
  Fix instruments_SUITE sumblock check
  Eliminate use of doc and suite clauses
  Replace ?t with test_server
  Use test_server:is_debug/0 instead of custom check
  Replace use of test_server:format/2 with io:format/2
  Eliminate use of ?config() macro
  Eliminate use of test_server:fail/0,1
  Eliminate erlang:now/0
  Modernize use of timetraps
  Remove ?line macros

1 files changed, 679 insertions, 743 deletions

diff --git a/lib/tools/test/fprof_SUITE.erl b/lib/tools/test/fprof_SUITE.erl
index ed457f3c64..244bdaaf0e 100644
--- a/lib/tools/test/fprof_SUITE.erl
+++ b/lib/tools/test/fprof_SUITE.erl
@@ -22,25 +22,20 @@
 -include_lib("common_test/include/ct.hrl").
 
 %% Test server framework exports
--export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, 
-	 init_per_group/2,end_per_group/2, not_run/1]).
+-export([all/0, suite/0, not_run/1]).
 
 %% Test suites
 -export([stack_seq/1, tail_seq/1, create_file_slow/1, spawn_simple/1,
-	 imm_tail_seq/1, imm_create_file_slow/1, imm_compile/1,
-	 cpu_create_file_slow/1]).
+         imm_tail_seq/1, imm_create_file_slow/1, imm_compile/1,
+         cpu_create_file_slow/1]).
 
 %% Other exports
 -export([create_file_slow/2]).
 
-
 %% Debug exports
 -export([parse/1, verify/2]).
 -export([spawn_simple_test/3]).
 
-
--define(line_trace,true).
-
 %-define(debug,true).
 -ifdef(debug).
 -define(dbg(Str,Args), io:format(Str,Args)).
@@ -49,553 +44,495 @@
 -endif.
 
 
-
 %%%---------------------------------------------------------------------
 %%% Test suites
 %%%---------------------------------------------------------------------
 
 
-
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{seconds,60}}].
 
 all() -> 
     case test_server:is_native(fprof_SUITE) of
-	true -> [not_run];
-	false ->
-	    [stack_seq, tail_seq, create_file_slow, spawn_simple,
-	     imm_tail_seq, imm_create_file_slow, imm_compile,
-	     cpu_create_file_slow]
+        true -> [not_run];
+        false ->
+            [stack_seq, tail_seq, create_file_slow, spawn_simple,
+             imm_tail_seq, imm_create_file_slow, imm_compile,
+             cpu_create_file_slow]
     end.
 
-groups() -> 
-    [].
-
-init_per_suite(Config) ->
-    Config.
-
-end_per_suite(_Config) ->
-    ok.
-
-init_per_group(_GroupName, Config) ->
-    Config.
-
-end_per_group(_GroupName, Config) ->
-    Config.
-
 
 not_run(Config) when is_list(Config) ->
     {skipped, "Native code"}.
 
 %%%---------------------------------------------------------------------
 
-stack_seq(doc) ->
-    ["Tests a stack recursive variant of lists:seq/3"];
-stack_seq(suite) ->
-    [];
+%% Tests a stack recursive variant of lists:seq/3
 stack_seq(Config) when is_list(Config) ->
-    ?line Timetrap = ?t:timetrap(?t:seconds(20)),
-    ?line PrivDir = ?config(priv_dir, Config),
-    ?line TraceFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_stack_seq.trace"),
-    ?line AnalysisFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_stack_seq.analysis"),
-    ?line Start = 1,
-    ?line Stop = 1000,
-    ?line Succ = fun (X) -> X + 1 end,
-    ?line ok = fprof:stop(kill),
+    PrivDir = proplists:get_value(priv_dir, Config),
+    TraceFile = filename:join(PrivDir,
+                              ?MODULE_STRING"_stack_seq.trace"),
+    AnalysisFile = filename:join(PrivDir,
+                                 ?MODULE_STRING"_stack_seq.analysis"),
+    Start = 1,
+    Stop = 1000,
+    Succ = fun (X) -> X + 1 end,
+    ok = fprof:stop(kill),
     %%
-    ?line TS0 = erlang:now(),
-    ?line R0 = fprof:apply(fun seq/3, [Start, Stop, Succ], [{file, TraceFile}]),
-    ?line TS1 = erlang:now(),
-    ?line R = seq(Start, Stop, Succ),
-    ?line TS2 = erlang:now(),
-    ?line ok = fprof:profile(file, TraceFile),
-    ?line ok = fprof:analyse(),
-    ?line ok = fprof:analyse(dest, AnalysisFile),
-    ?line ok = fprof:stop(),
-    ?line R = R0,
+    TS0 = erlang:monotonic_time(),
+    R0 = fprof:apply(fun seq/3, [Start, Stop, Succ], [{file, TraceFile}]),
+    TS1 = erlang:monotonic_time(),
+    R = seq(Start, Stop, Succ),
+    TS2 = erlang:monotonic_time(),
+    ok = fprof:profile(file, TraceFile),
+    ok = fprof:analyse(),
+    ok = fprof:analyse(dest, AnalysisFile),
+    ok = fprof:stop(),
+    R = R0,
     %%
-    ?line {ok, [T, P]} = parse(AnalysisFile),
-    ?line io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
-    ?line ok = (catch verify(T, P)),
-    ?line Proc = pid_to_list(self()),
-    ?line case P of
-	      [{analysis_options, _},
-	       [{totals, _, Acc, _}],
-	       [{Proc, _, undefined, _} | _]] ->
-		  ok
-	  end,
+    {ok, [T, P]} = parse(AnalysisFile),
+    io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
+    ok = (catch verify(T, P)),
+    Proc = pid_to_list(self()),
+    case P of
+        [{analysis_options, _},
+         [{totals, _, Acc, _}],
+         [{Proc, _, undefined, _} | _]] ->
+            ok
+    end,
     %%
-    ?line check_own_and_acc(TraceFile,AnalysisFile),
+    check_own_and_acc(TraceFile,AnalysisFile),
     %%
-    ?line ets:delete(T),
-    ?line file:delete(TraceFile),
-    ?line file:delete(AnalysisFile),
-    ?line ?t:timetrap_cancel(Timetrap),
-    ?line Acc1 = ts_sub(TS1, TS0),
-    ?line Acc2 = ts_sub(TS2, TS1),
-    ?line io:format("ts:~w, fprof:~w, bare:~w.~n", [Acc, Acc1, Acc2]),
-    {comment, io_lib:format("~p times slower", [Acc1/Acc2])}.
+    ets:delete(T),
+    file:delete(TraceFile),
+    file:delete(AnalysisFile),
+    Acc1 = TS1 - TS0,
+    Acc2 = TS2 - TS1,
+    io:format("ts:~w, fprof:~w, bare:~w.~n", [Acc, Acc1, Acc2]),
+    {comment, io_lib:format("~p times slower", [divide(Acc1,Acc2)])}.
 
 %%%---------------------------------------------------------------------
 
-tail_seq(doc) ->
-    ["Tests a tail recursive variant of lists:seq/3"];
-tail_seq(suite) ->
-    [];
+%% Tests a tail recursive variant of lists:seq/3
 tail_seq(Config) when is_list(Config) ->
-    ?line Timetrap = ?t:timetrap(?t:seconds(10)),
-    ?line PrivDir = ?config(priv_dir, Config),
-    ?line TraceFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_tail_seq.trace"),
-    ?line AnalysisFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_tail_seq.analysis"),
-    ?line Start = 1,
-    ?line Stop = 1000,
-    ?line Succ = fun (X) -> X + 1 end,
-    ?line ok = fprof:stop(kill),
+    PrivDir = proplists:get_value(priv_dir, Config),
+    TraceFile = filename:join(PrivDir,
+                              ?MODULE_STRING"_tail_seq.trace"),
+    AnalysisFile = filename:join(PrivDir,
+                                 ?MODULE_STRING"_tail_seq.analysis"),
+    Start = 1,
+    Stop = 1000,
+    Succ = fun (X) -> X + 1 end,
+    ok = fprof:stop(kill),
     %%
-    ?line TS0 = erlang:now(),
-    ?line R = seq_r(Start, Stop, Succ),
-    ?line TS1 = erlang:now(),
+    TS0 = erlang:monotonic_time(),
+    R = seq_r(Start, Stop, Succ),
+    TS1 = erlang:monotonic_time(),
     %%
-    ?line R1 = fprof:apply(fun seq_r/3, [Start, Stop, Succ], 
-			  [{file, TraceFile}]),
-    ?line TS2 = erlang:now(),
-    ?line ok = fprof:profile([{file,TraceFile}]),
-    ?line ok = fprof:analyse(),
-    ?line ok = fprof:analyse(dest, AnalysisFile),
-    ?line ok = fprof:stop(),
-    ?line R = R1,
+    R1 = fprof:apply(fun seq_r/3, [Start, Stop, Succ],
+                     [{file, TraceFile}]),
+    TS2 = erlang:monotonic_time(),
+    ok = fprof:profile([{file,TraceFile}]),
+    ok = fprof:analyse(),
+    ok = fprof:analyse(dest, AnalysisFile),
+    ok = fprof:stop(),
+    R = R1,
     %%
-    ?line {ok, [T, P]} = parse(AnalysisFile),
-    ?line io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
-    ?line ok = verify(T, P),
-    ?line Proc = pid_to_list(self()),
-    ?line case P of
-	      [{analysis_options, _},
-	       [{totals, _, Acc, _}],
-	       [{Proc, _, undefined, _} | _]] ->
-		  ok
-	  end,
+    {ok, [T, P]} = parse(AnalysisFile),
+    io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
+    ok = verify(T, P),
+    Proc = pid_to_list(self()),
+    case P of
+        [{analysis_options, _},
+         [{totals, _, Acc, _}],
+         [{Proc, _, undefined, _} | _]] ->
+            ok
+    end,
     %%
-    ?line check_own_and_acc(TraceFile,AnalysisFile),
+    check_own_and_acc(TraceFile,AnalysisFile),
     %%
-    ?line ets:delete(T),
-    ?line file:delete(TraceFile),
-    ?line file:delete(AnalysisFile),
-    ?line ?t:timetrap_cancel(Timetrap),
-    ?line Acc1 = ts_sub(TS1, TS0),
-    ?line Acc2 = ts_sub(TS2, TS1),
-    ?line io:format("ts:~w, fprof:~w, bare:~w.~n", [Acc, Acc2, Acc1]),
-    {comment, io_lib:format("~p times slower", [Acc2/Acc1])}.
+    ets:delete(T),
+    file:delete(TraceFile),
+    file:delete(AnalysisFile),
+    Acc1 = TS1 - TS0,
+    Acc2 = TS2 - TS1,
+    io:format("ts:~w, fprof:~w, bare:~w.~n", [Acc, Acc2, Acc1]),
+    {comment, io_lib:format("~p times slower", [divide(Acc2,Acc1)])}.
 
 %%%---------------------------------------------------------------------
 
 %% Tests the create_file_slow benchmark.
 create_file_slow(Config) ->
     case test_server:is_native(lists) orelse
-	test_server:is_native(file) of
-	true ->
-	    {skip,"Native libs -- tracing does not work"};
-	false ->
-	    do_create_file_slow(Config)
+         test_server:is_native(file) of
+        true ->
+            {skip,"Native libs -- tracing does not work"};
+        false ->
+            do_create_file_slow(Config)
     end.
 
 do_create_file_slow(Config) ->
-    ?line Timetrap = ?t:timetrap(?t:seconds(40)),
-    ?line PrivDir = ?config(priv_dir, Config),
-    ?line TraceFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_create_file_slow.trace"),
-    ?line AnalysisFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_create_file_slow.analysis"),
-    ?line DataFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_create_file_slow.data"),
-    ?line ok = fprof:stop(kill),
+    PrivDir = proplists:get_value(priv_dir, Config),
+    TraceFile = filename:join(PrivDir,
+                              ?MODULE_STRING"_create_file_slow.trace"),
+    AnalysisFile = filename:join(PrivDir,
+                                 ?MODULE_STRING"_create_file_slow.analysis"),
+    DataFile = filename:join(PrivDir,
+                             ?MODULE_STRING"_create_file_slow.data"),
+    ok = fprof:stop(kill),
     %%
-    ?line TS0 = erlang:now(),
-    ?line ok = create_file_slow(DataFile, 1024),
-    ?line TS1 = erlang:now(),
+    TS0 = erlang:monotonic_time(),
+    ok = create_file_slow(DataFile, 1024),
+    TS1 = erlang:monotonic_time(),
     %%
-    ?line ok = file:delete(DataFile),
-    ?line TS2 = erlang:now(),
-    ?line ok = fprof:apply(?MODULE, create_file_slow, [DataFile, 1024], 
-			   [{file, TraceFile}]),
-    ?line TS3 = erlang:now(),
-    ?line ok = fprof:profile(file, TraceFile),
-    ?line ok = fprof:analyse(),
-    ?line ok = fprof:analyse(dest, AnalysisFile),
-    ?line ok = fprof:stop(),
+    ok = file:delete(DataFile),
+    TS2 = erlang:monotonic_time(),
+    ok = fprof:apply(?MODULE, create_file_slow, [DataFile, 1024],
+                     [{file, TraceFile}]),
+    TS3 = erlang:monotonic_time(),
+    ok = fprof:profile(file, TraceFile),
+    ok = fprof:analyse(),
+    ok = fprof:analyse(dest, AnalysisFile),
+    ok = fprof:stop(),
     %%
-    ?line {ok, [T, P]} = parse(AnalysisFile),
-    ?line io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
-    ?line ok = verify(T, P),
-    ?line Proc = pid_to_list(self()),
-    ?line case P of
-	      [{analysis_options, _},
-	       [{totals, _, Acc, _}],
-	       [{Proc, _, undefined, _} | _]] ->
-		  ok
-	  end,
+    {ok, [T, P]} = parse(AnalysisFile),
+    io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
+    ok = verify(T, P),
+    Proc = pid_to_list(self()),
+    case P of
+        [{analysis_options, _},
+         [{totals, _, Acc, _}],
+         [{Proc, _, undefined, _} | _]] ->
+            ok
+    end,
     %%
-    ?line check_own_and_acc(TraceFile,AnalysisFile),
+    check_own_and_acc(TraceFile,AnalysisFile),
     %%
-    ?line ets:delete(T),
-    ?line file:delete(DataFile),
-    ?line file:delete(TraceFile),
-    ?line file:delete(AnalysisFile),
-    ?line ?t:timetrap_cancel(Timetrap),
-    ?line Acc1 = ts_sub(TS1, TS0),
-    ?line Acc3 = ts_sub(TS3, TS2),
-    ?line io:format("ts:~w, fprof:~w, bare:~w.~n", [Acc, Acc3, Acc1]),
-    {comment, io_lib:format("~p times slower", [Acc3/Acc1])}.
+    ets:delete(T),
+    file:delete(DataFile),
+    file:delete(TraceFile),
+    file:delete(AnalysisFile),
+    Acc1 = TS1 - TS0,
+    Acc3 = TS3 - TS2,
+    io:format("ts:~w, fprof:~w, bare:~w.~n", [Acc, Acc3, Acc1]),
+    {comment, io_lib:format("~p times slower", [divide(Acc3,Acc1)])}.
 
 
 
 %%%---------------------------------------------------------------------
 
-spawn_simple(doc) ->
-    ["Tests process spawn"];
-spawn_simple(suite) ->
-    [];
+%% Tests process spawn
 spawn_simple(Config) when is_list(Config) ->
-    ?line Timetrap = ?t:timetrap(?t:seconds(30)),
-    ?line PrivDir = ?config(priv_dir, Config),
-    ?line TraceFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_spawn_simple.trace"),
-    ?line AnalysisFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_spawn_simple.analysis"),
-    ?line Start = 1,
-    ?line Stop = 1000,
-    ?line Succ = fun (X) -> X + 1 end,
-    ?line ok = fprof:stop(kill),
+    PrivDir = proplists:get_value(priv_dir, Config),
+    TraceFile = filename:join(PrivDir,
+                              ?MODULE_STRING"_spawn_simple.trace"),
+    AnalysisFile = filename:join(PrivDir,
+                                 ?MODULE_STRING"_spawn_simple.analysis"),
+    Start = 1,
+    Stop = 1000,
+    Succ = fun (X) -> X + 1 end,
+    ok = fprof:stop(kill),
     %%
-    ?line TS0 = erlang:now(),
-    ?line {{_, R1}, {_, R2}} = spawn_simple_test(Start, Stop, Succ),
-    ?line TS1 = erlang:now(),
+    TS0 = erlang:monotonic_time(),
+    {{_, R1}, {_, R2}} = spawn_simple_test(Start, Stop, Succ),
+    TS1 = erlang:monotonic_time(),
     %%
-    ?line ok = fprof:trace(start, TraceFile),
-    ?line {{P1, R3}, {P2, R4}} = spawn_simple_test(Start, Stop, Succ),
-    ?line ok = fprof:trace(stop),
-    ?line TS2 = erlang:now(),
-    ?line ok = fprof:profile(file, TraceFile),
-    ?line ok = fprof:analyse(),
-    ?line ok = fprof:analyse(dest, AnalysisFile),
-    ?line ok = fprof:stop(),
-    ?line R1 = R3,
-    ?line R2 = R4,
+    ok = fprof:trace(start, TraceFile),
+    {{P1, R3}, {P2, R4}} = spawn_simple_test(Start, Stop, Succ),
+    ok = fprof:trace(stop),
+    TS2 = erlang:monotonic_time(),
+    ok = fprof:profile(file, TraceFile),
+    ok = fprof:analyse(),
+    ok = fprof:analyse(dest, AnalysisFile),
+    ok = fprof:stop(),
+    R1 = R3,
+    R2 = R4,
     %%
-    ?line {ok, [T, P]} = parse(AnalysisFile),
-    ?line io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
-    ?line ok = verify(T, P),
-    ?line Proc1 = pid_to_list(P1),
-    ?line Proc2 = pid_to_list(P2),
-    ?line Proc0 = pid_to_list(self()),
-    ?line io:format("~p~n ~p ~p ~p~n", [P, Proc0, Proc1, Proc2]),
-    ?line [{analysis_options, _}, [{totals, _, Acc, _}] | Procs] = P,
-    ?line [[{Proc0, _, undefined, _} | _]] = 
-	lists:filter(fun ([Pt | _]) when element(1, Pt) == Proc0 -> true;
-			 (_) -> false
-		     end, Procs),
-    ?line [[{Proc1, _, undefined, _},
-	    {spawned_by, Proc0},
-	    {spawned_as, {erlang, apply, ["#Fun"++_, []]}},
-	    {initial_calls, [{erlang, apply, 2}, 
-			     {?MODULE, '-spawn_simple_test/3-fun-0-', 4}]} 
-	    | _]] = 
-	lists:filter(fun ([Pt | _]) when element(1, Pt) == Proc1 -> true;
-			 (_) -> false
-		     end, Procs),
-    ?line [[{Proc2, _, undefined, _},
-	    {spawned_by, Proc0},
-	    {spawned_as, {erlang, apply, ["#Fun"++_, []]}},
-	    {initial_calls, [{erlang, apply, 2}, 
-			     {?MODULE, '-spawn_simple_test/3-fun-1-', 4}]} 
-	    | _]] = 
-	lists:filter(fun ([Pt | _]) when element(1, Pt) == Proc2 -> true;
-			 (_) -> false
-		     end, Procs),
-    ?line 3 = length(Procs),
-    ?line R1 = lists:reverse(R2),
+    {ok, [T, P]} = parse(AnalysisFile),
+    io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
+    ok = verify(T, P),
+    Proc1 = pid_to_list(P1),
+    Proc2 = pid_to_list(P2),
+    Proc0 = pid_to_list(self()),
+    io:format("~p~n ~p ~p ~p~n", [P, Proc0, Proc1, Proc2]),
+    [{analysis_options, _}, [{totals, _, Acc, _}] | Procs] = P,
+    [[{Proc0, _, undefined, _} | _]] = lists:filter(
+                                         fun ([Pt | _]) when element(1, Pt) == Proc0 -> true;
+                                             (_) -> false
+                                         end, Procs),
+    [[{Proc1, _, undefined, _},
+      {spawned_by, Proc0},
+      {spawned_as, {erlang, apply, ["#Fun"++_, []]}},
+      {initial_calls, [{erlang, apply, 2},
+                       {?MODULE, '-spawn_simple_test/3-fun-0-', 4}]}
+      | _]] = lists:filter(fun ([Pt | _]) when element(1, Pt) == Proc1 -> true;
+                               (_) -> false
+                           end, Procs),
+    [[{Proc2, _, undefined, _},
+      {spawned_by, Proc0},
+      {spawned_as, {erlang, apply, ["#Fun"++_, []]}},
+      {initial_calls, [{erlang, apply, 2},
+                       {?MODULE, '-spawn_simple_test/3-fun-1-', 4}]}
+      | _]] = lists:filter(fun ([Pt | _]) when element(1, Pt) == Proc2 -> true;
+                               (_) -> false
+                           end, Procs),
+    3 = length(Procs),
+    R1 = lists:reverse(R2),
     %%
-    ?line check_own_and_acc(TraceFile,AnalysisFile),
+    check_own_and_acc(TraceFile,AnalysisFile),
     %%
-    ?line ets:delete(T),
-    ?line file:delete(TraceFile),
-    ?line file:delete(AnalysisFile),
-    ?line ?t:timetrap_cancel(Timetrap),
-    ?line Acc1 = ts_sub(TS1, TS0),
-    ?line Acc2 = ts_sub(TS2, TS1),
-    ?line io:format("ts:~w, fprof:~w, bare:~w.~n", [Acc, Acc2, Acc1]),
-    {comment, io_lib:format("~p times slower", [Acc2/Acc1])}.
+    ets:delete(T),
+    file:delete(TraceFile),
+    file:delete(AnalysisFile),
+    Acc1 = TS1 - TS0,
+    Acc2 = TS2 - TS1,
+    io:format("ts:~w, fprof:~w, bare:~w.~n", [Acc, Acc2, Acc1]),
+    {comment, io_lib:format("~p times slower", [divide(Acc2,Acc1)])}.
 
 
 spawn_simple_test(Start, Stop, Succ) ->
     Parent = self(),
-    Seq = 
-	spawn_link(
-	  fun () ->
-		  Parent ! {self(), seq(Start, Stop, Succ)}
-	  end),
-    SeqR = 
-	spawn_link(
-	  fun () ->
-		  Parent ! {self(), seq_r(Start, Stop, Succ)}
-	  end),
-    receive {Seq, SeqResult} ->
-	    receive {SeqR, SeqRResult} ->
-		    {{Seq, SeqResult}, {SeqR, SeqRResult}}
-	    end
+    Seq = spawn_link(fun() ->
+                             Parent ! {self(), seq(Start, Stop, Succ)}
+                     end),
+
+    SeqR = spawn_link(fun() ->
+                              Parent ! {self(), seq_r(Start, Stop, Succ)}
+                      end),
+    receive
+        {Seq, SeqResult} ->
+            receive
+                {SeqR, SeqRResult} ->
+                    {{Seq, SeqResult}, {SeqR, SeqRResult}}
+            end
     end.
 
 
 
 %%%---------------------------------------------------------------------
 
-imm_tail_seq(doc) ->
-    ["Tests a tail recursive variant of lists:seq/3 ",
-     "with immediate trace to profile"];
-imm_tail_seq(suite) ->
-    [];
+%% Tests a tail recursive variant of lists:seq/3
+%% with immediate trace to profile
 imm_tail_seq(Config) when is_list(Config) ->
-    ?line Timetrap = ?t:timetrap(?t:seconds(10)),
-    ?line PrivDir = ?config(priv_dir, Config),
-    ?line AnalysisFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_imm_tail_seq.analysis"),
-    ?line Start = 1,
-    ?line Stop = 1000,
-    ?line Succ = fun (X) -> X + 1 end,
-    ?line ok = fprof:stop(kill),
-    ?line catch eprof:stop(),
+    PrivDir = proplists:get_value(priv_dir, Config),
+    AnalysisFile = filename:join(PrivDir,
+                                 ?MODULE_STRING"_imm_tail_seq.analysis"),
+    Start = 1,
+    Stop = 1000,
+    Succ = fun (X) -> X + 1 end,
+    ok = fprof:stop(kill),
+    catch eprof:stop(),
     %%
-    ?line TS0 = erlang:now(),
-    ?line R0 = seq_r(Start, Stop, Succ),
-    ?line TS1 = erlang:now(),
+    TS0 = erlang:monotonic_time(),
+    R0 = seq_r(Start, Stop, Succ),
+    TS1 = erlang:monotonic_time(),
     %%
-    ?line profiling = eprof:start_profiling([self()]),
-    ?line TS2 = erlang:now(),
-    ?line R2 = seq_r(Start, Stop, Succ),
-    ?line TS3 = erlang:now(),
-    ?line profiling_stopped = eprof:stop_profiling(),
-    ?line R2 = R0,
+    profiling = eprof:start_profiling([self()]),
+    TS2 = erlang:monotonic_time(),
+    R2 = seq_r(Start, Stop, Succ),
+    TS3 = erlang:monotonic_time(),
+    profiling_stopped = eprof:stop_profiling(),
+    R2 = R0,
     %%
-    ?line eprof:analyze(),
-    ?line stopped = eprof:stop(),
+    eprof:analyze(),
+    stopped = eprof:stop(),
     %%
-    ?line {ok, Tracer} = fprof:profile(start),
-    ?line ok = fprof:trace([start, {tracer, Tracer}]),
-    ?line TS4 = erlang:now(),
-    ?line R4 = seq_r(Start, Stop, Succ),
-    ?line TS5 = erlang:now(),
-    ?line ok = fprof:trace(stop),
-    ?line ok = fprof:analyse(),
-    ?line ok = fprof:analyse(dest, AnalysisFile),
-    ?line ok = fprof:stop(),
-    ?line R4 = R0,
+    {ok, Tracer} = fprof:profile(start),
+    ok = fprof:trace([start, {tracer, Tracer}]),
+    TS4 = erlang:monotonic_time(),
+    R4 = seq_r(Start, Stop, Succ),
+    TS5 = erlang:monotonic_time(),
+    ok = fprof:trace(stop),
+    ok = fprof:analyse(),
+    ok = fprof:analyse(dest, AnalysisFile),
+    ok = fprof:stop(),
+    R4 = R0,
     %%
-    ?line {ok, [T, P]} = parse(AnalysisFile),
-    ?line io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
-    ?line ok = verify(T, P),
-    ?line Proc = pid_to_list(self()),
-    ?line case P of
-	      [{analysis_options, _},
-	       [{totals, _, Acc, _}],
-	       [{Proc, _, undefined, _} | _]] ->
-		  ok
-	  end,
+    {ok, [T, P]} = parse(AnalysisFile),
+    io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
+    ok = verify(T, P),
+    Proc = pid_to_list(self()),
+    case P of
+        [{analysis_options, _},
+         [{totals, _, Acc, _}],
+         [{Proc, _, undefined, _} | _]] -> ok
+    end,
     %%
-    ?line ets:delete(T),
-    ?line file:delete(AnalysisFile),
-    ?line ?t:timetrap_cancel(Timetrap),
-    ?line Acc1 = ts_sub(TS1, TS0),
-    ?line Acc3 = ts_sub(TS3, TS2),
-    ?line Acc5 = ts_sub(TS5, TS4),
-    ?line io:format("~p (plain), ~p (eprof), ~p (fprof), ~p (cpu)~n", 
-		    [Acc1/1000, Acc3/1000, Acc5/1000, Acc/1000]),
+    ets:delete(T),
+    file:delete(AnalysisFile),
+    Acc1 = TS1 - TS0,
+    Acc3 = TS3 - TS2,
+    Acc5 = TS5 - TS4,
+    io:format("~p (plain), ~p (eprof), ~p (fprof), ~p (cpu)~n",
+              [Acc1/1000, Acc3/1000, Acc5/1000, Acc/1000]),
     {comment, io_lib:format("~p/~p (fprof/eprof) times slower", 
-			    [Acc5/Acc1, Acc3/Acc1])}.
+                            [divide(Acc5,Acc1), divide(Acc3,Acc1)])}.
 
 %%%---------------------------------------------------------------------
 
-imm_create_file_slow(doc) ->
-    ["Tests a tail recursive variant of lists:seq/3 ",
-     "with immediate trace to profile"];
-imm_create_file_slow(suite) ->
-    [];
+%% Tests a tail recursive variant of lists:seq/3
+%% with immediate trace to profile
 imm_create_file_slow(Config) when is_list(Config) ->
-    ?line Timetrap = ?t:timetrap(?t:seconds(60)),
-    ?line PrivDir = ?config(priv_dir, Config),
-    ?line DataFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_imm_create_file_slow.data"),
-    ?line AnalysisFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_imm_create_file_slow.analysis"),
-    ?line ok = fprof:stop(kill),
+    PrivDir = proplists:get_value(priv_dir, Config),
+    DataFile = filename:join(PrivDir,
+                             ?MODULE_STRING"_imm_create_file_slow.data"),
+    AnalysisFile = filename:join(PrivDir,
+                                 ?MODULE_STRING"_imm_create_file_slow.analysis"),
+    ok = fprof:stop(kill),
     %%
-    ?line TS0 = erlang:now(),
-    ?line ok = create_file_slow(DataFile, 1024),
-    ?line TS1 = erlang:now(),
-    ?line ok = file:delete(DataFile),
+    TS0 = erlang:monotonic_time(),
+    ok = create_file_slow(DataFile, 1024),
+    TS1 = erlang:monotonic_time(),
+    ok = file:delete(DataFile),
     %%
-    ?line {ok, Tracer} = fprof:profile(start),
-    ?line TS2 = erlang:now(),
-    ?line ok = fprof:apply(?MODULE, create_file_slow, [DataFile, 1024], 
-			  [{tracer, Tracer}, continue]),
-    ?line TS3 = erlang:now(),
-    ?line ok = fprof:profile(stop),
-    ?line ok = fprof:analyse(),
-    ?line ok = fprof:analyse(dest, AnalysisFile),
-    ?line ok = fprof:stop(),
+    {ok, Tracer} = fprof:profile(start),
+    TS2 = erlang:monotonic_time(),
+    ok = fprof:apply(?MODULE, create_file_slow, [DataFile, 1024],
+                     [{tracer, Tracer}, continue]),
+    TS3 = erlang:monotonic_time(),
+    ok = fprof:profile(stop),
+    ok = fprof:analyse(),
+    ok = fprof:analyse(dest, AnalysisFile),
+    ok = fprof:stop(),
     %%
-    ?line {ok, [T, P]} = parse(AnalysisFile),
-    ?line io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
-    ?line ok = verify(T, P),
-    ?line Proc = pid_to_list(self()),
-    ?line case P of
-	      [{analysis_options, _},
-	       [{totals, _, Acc, _}],
-	       [{Proc, _, undefined, _} | _]] ->
-		  ok
-	  end,
+    {ok, [T, P]} = parse(AnalysisFile),
+    io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
+    ok = verify(T, P),
+    Proc = pid_to_list(self()),
+    case P of
+        [{analysis_options, _},
+         [{totals, _, Acc, _}],
+         [{Proc, _, undefined, _} | _]] ->
+            ok
+    end,
     %%
-    ?line ets:delete(T),
-    ?line file:delete(DataFile),
-    ?line file:delete(AnalysisFile),
-    ?line ?t:timetrap_cancel(Timetrap),
-    ?line Acc1 = ts_sub(TS1, TS0),
-    ?line Acc3 = ts_sub(TS3, TS2),
-    ?line io:format("ts:~w, fprof:~w, bare:~w.~n", [Acc, Acc3, Acc1]),
-    {comment, io_lib:format("~p times slower", [Acc3/Acc1])}.
+    ets:delete(T),
+    file:delete(DataFile),
+    file:delete(AnalysisFile),
+    Acc1 = TS1 - TS0,
+    Acc3 = TS3 - TS2,
+    io:format("ts:~w, fprof:~w, bare:~w.~n", [Acc, Acc3, Acc1]),
+    {comment, io_lib:format("~p times slower", [divide(Acc3,Acc1)])}.
 
 %%%---------------------------------------------------------------------
 
-imm_compile(doc) ->
-    ["Tests to compile a small source file ",
-     "with immediate trace to profile"];
-imm_compile(suite) ->
-    [];
+%% Tests to compile a small source file with immediate trace to profile
 imm_compile(Config) when is_list(Config) ->
-    ?line Timetrap = ?t:timetrap(?t:minutes(20)),
-    ?line DataDir = ?config(data_dir, Config),
-    ?line SourceFile = filename:join(DataDir, "foo.erl"),
-    ?line PrivDir = ?config(priv_dir, Config),
-    ?line AnalysisFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_imm_compile.analysis"),
-    ?line ok = fprof:stop(kill),
-    ?line catch eprof:stop(),
+    ct:timetrap({minutes, 20}),
+    DataDir = proplists:get_value(data_dir, Config),
+    SourceFile = filename:join(DataDir, "foo.erl"),
+    PrivDir = proplists:get_value(priv_dir, Config),
+    AnalysisFile = filename:join(PrivDir,
+                                 ?MODULE_STRING"_imm_compile.analysis"),
+    ok = fprof:stop(kill),
+    catch eprof:stop(),
     %%
-    ?line {ok, foo, _} = compile:file(SourceFile, [binary]),
-    ?line TS0 = erlang:now(),
-    ?line {ok, foo, _} = compile:file(SourceFile, [binary]),
-    ?line TS1 = erlang:now(),
+    {ok, foo, _} = compile:file(SourceFile, [binary]),
+    TS0 = erlang:monotonic_time(),
+    {ok, foo, _} = compile:file(SourceFile, [binary]),
+    TS1 = erlang:monotonic_time(),
     %%
-    ?line profiling = eprof:start_profiling([self()]),
-    ?line TS2 = erlang:now(),
-    ?line {ok, foo, _} = compile:file(SourceFile, [binary]),
-    ?line TS3 = erlang:now(),
-    ?line profiling_stopped = eprof:stop_profiling(),
+    profiling = eprof:start_profiling([self()]),
+    TS2 = erlang:monotonic_time(),
+    {ok, foo, _} = compile:file(SourceFile, [binary]),
+    TS3 = erlang:monotonic_time(),
+    profiling_stopped = eprof:stop_profiling(),
     %%
-    ?line eprof:analyze(),
-    ?line stopped = eprof:stop(),
+    eprof:analyze(),
+    stopped = eprof:stop(),
     %%
-    ?line {ok, Tracer} = fprof:profile(start),
-    ?line ok = fprof:trace([start, {tracer, Tracer}]),
-    ?line TS4 = erlang:now(),
-    ?line {ok, foo, _} = compile:file(SourceFile, [binary]),
-    ?line TS5 = erlang:now(),
-    ?line ok = fprof:trace(stop),
+    {ok, Tracer} = fprof:profile(start),
+    ok = fprof:trace([start, {tracer, Tracer}]),
+    TS4 = erlang:monotonic_time(),
+    {ok, foo, _} = compile:file(SourceFile, [binary]),
+    TS5 = erlang:monotonic_time(),
+    ok = fprof:trace(stop),
     %%
-    ?line io:format("Analysing...~n"),
-    ?line ok = fprof:analyse(dest, AnalysisFile),
-    ?line ok = fprof:stop(),
+    io:format("Analysing...~n"),
+    ok = fprof:analyse(dest, AnalysisFile),
+    ok = fprof:stop(),
     %%
-    ?line {ok, [T, P]} = parse(AnalysisFile),
-    ?line io:format("~p~n", [P]),
-    ?line Acc1 = ts_sub(TS1, TS0),
-    ?line Acc3 = ts_sub(TS3, TS2),
-    ?line Acc5 = ts_sub(TS5, TS4),
-    ?line io:format("Verifying...~n"),
-    ?line ok = verify(T, P),
-    ?line case P of
-	      [{analysis_options, _},
-	       [{totals, _, Acc, _}] | _] ->
-		  ok
-	  end,
+    {ok, [T, P]} = parse(AnalysisFile),
+    io:format("~p~n", [P]),
+    Acc1 = TS1 - TS0,
+    Acc3 = TS3 - TS2,
+    Acc5 = TS5 - TS4,
+    io:format("Verifying...~n"),
+    ok = verify(T, P),
+    case P of
+        [{analysis_options, _},
+         [{totals, _, Acc, _}] | _] ->
+            ok
+    end,
     %%
-    ?line ets:delete(T),
-    ?line file:delete(AnalysisFile),
-    ?line ?t:timetrap_cancel(Timetrap),
-    ?line io:format("~p (plain), ~p (eprof), ~p (fprof), ~p(cpu)~n", 
-		    [Acc1/1000, Acc3/1000, Acc5/1000, Acc/1000]),
+    ets:delete(T),
+    file:delete(AnalysisFile),
+    io:format("~p (plain), ~p (eprof), ~p (fprof), ~p(cpu)~n",
+              [Acc1/1000, Acc3/1000, Acc5/1000, Acc/1000]),
     {comment, io_lib:format("~p/~p (fprof/eprof) times slower", 
-			    [Acc5/Acc1, Acc3/Acc1])}.
+                            [divide(Acc5,Acc1), divide(Acc3,Acc1)])}.
 
 %%%---------------------------------------------------------------------
 
-cpu_create_file_slow(doc) ->
-    ["Tests the create_file_slow benchmark using cpu_time"];
-cpu_create_file_slow(suite) ->
-    [];
+%% Tests the create_file_slow benchmark using cpu_time
 cpu_create_file_slow(Config) when is_list(Config) ->
-    ?line Timetrap = ?t:timetrap(?t:seconds(40)),
-    ?line PrivDir = ?config(priv_dir, Config),
-    ?line TraceFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_cpu_create_file_slow.trace"),
-    ?line AnalysisFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_cpu_create_file_slow.analysis"),
-    ?line DataFile = 
-	filename:join(PrivDir, ?MODULE_STRING"_cpu_create_file_slow.data"),
-    ?line ok = fprof:stop(kill),
+    PrivDir = proplists:get_value(priv_dir, Config),
+    TraceFile =
+    filename:join(PrivDir, ?MODULE_STRING"_cpu_create_file_slow.trace"),
+    AnalysisFile =
+    filename:join(PrivDir, ?MODULE_STRING"_cpu_create_file_slow.analysis"),
+    DataFile =
+    filename:join(PrivDir, ?MODULE_STRING"_cpu_create_file_slow.data"),
+    ok = fprof:stop(kill),
     %%
-    ?line TS0 = erlang:now(),
-    ?line Result = (catch fprof:apply(?MODULE, create_file_slow, 
-				      [DataFile, 1024], 
-				      [{file, TraceFile}, cpu_time])),
-    ?line TS1 = erlang:now(),
-    ?line TestResult = 
-	case Result of 
-	    ok ->
-		?line ok = fprof:profile(file, TraceFile),
-		?line ok = fprof:analyse(),
-		?line ok = fprof:analyse(dest, AnalysisFile),
-		?line ok = fprof:stop(),
-		%%
-		?line {ok, [T, P]} = parse(AnalysisFile),
-		?line io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
-		?line ok = verify(T, P),
-		?line Proc = pid_to_list(self()),
-		?line case P of
-			  [{analysis_options, _},
-			   [{totals, _, Acc, _}],
-			   [{Proc, _, undefined, _} | _]] ->
-			      ok
-		      end,
-		%%
-		?line check_own_and_acc(TraceFile,AnalysisFile),
-		%%
-		?line ets:delete(T),
-		?line file:delete(DataFile),
-		?line file:delete(TraceFile),
-		?line file:delete(AnalysisFile),
-		?line Acc1 = ts_sub(TS1, TS0),
-		?line io:format("cpu_ts:~w, fprof:~w~n", [Acc, Acc1]),
-		{comment, io_lib:format("~p% cpu utilization", 
-					[100*Acc/Acc1])};
-	    {'EXIT', not_supported} -> 
-		case {os:type(), os:version()} of
-		    {{unix, sunos}, {Major, Minor, _}}
-		    when Major >= 5, Minor >= 7 ->
-			test_server:fail(Result);
-		    _ ->
-			{skipped, "not_supported"}
-		end;
-	    _ ->
-		test_server:fail(Result)
-	end,
-    ?line ?t:timetrap_cancel(Timetrap),
+    TS0 = erlang:monotonic_time(),
+    Result = (catch fprof:apply(?MODULE, create_file_slow,
+                                [DataFile, 1024],
+                                [{file, TraceFile}, cpu_time])),
+    TS1 = erlang:monotonic_time(),
+    TestResult =
+    case Result of
+        ok ->
+            ok = fprof:profile(file, TraceFile),
+            ok = fprof:analyse(),
+            ok = fprof:analyse(dest, AnalysisFile),
+            ok = fprof:stop(),
+            %%
+            {ok, [T, P]} = parse(AnalysisFile),
+            io:format("~p~n~n~p~n", [P, ets:tab2list(T)]),
+            ok = verify(T, P),
+            Proc = pid_to_list(self()),
+            case P of
+                [{analysis_options, _},
+                 [{totals, _, Acc, _}],
+                 [{Proc, _, undefined, _} | _]] ->
+                    ok
+            end,
+            %%
+            check_own_and_acc(TraceFile,AnalysisFile),
+            %%
+            ets:delete(T),
+            file:delete(DataFile),
+            file:delete(TraceFile),
+            file:delete(AnalysisFile),
+            Acc1 = TS1 - TS0,
+            io:format("cpu_ts:~w, fprof:~w~n", [Acc, Acc1]),
+            {comment, io_lib:format("~p% cpu utilization", [100*divide(Acc,Acc1)])};
+        {'EXIT', not_supported} ->
+            case {os:type(), os:version()} of
+                {{unix, sunos}, {Major, Minor, _}}
+                  when Major >= 5, Minor >= 7 ->
+                    ct:fail(Result);
+                _ ->
+                    {skipped, "not_supported"}
+            end;
+        _ ->
+            ct:fail(Result)
+    end,
     TestResult.
 
 
-
 %%%---------------------------------------------------------------------
 %%% Functions to test
 %%%---------------------------------------------------------------------
@@ -623,14 +560,14 @@ seq_r(Start, Stop, Succ, R) ->
 
 create_file_slow(Name, N) when is_integer(N), N >= 0 ->
     {ok, FD} = 
-        file:open(Name, [raw, write, delayed_write, binary]),
+    file:open(Name, [raw, write, delayed_write, binary]),
     if N > 256 ->
-            ok = file:write(FD, 
-                            lists:map(fun (X) -> <<X:32/unsigned>> end,
-                            lists:seq(0, 255))),
-            ok = create_file_slow(FD, 256, N);
+           ok = file:write(FD,
+                           lists:map(fun (X) -> <<X:32/unsigned>> end,
+                                     lists:seq(0, 255))),
+           ok = create_file_slow(FD, 256, N);
        true ->
-            ok = create_file_slow(FD, 0, N)
+           ok = create_file_slow(FD, 0, N)
     end,
     ok = file:close(FD).
 
@@ -647,46 +584,44 @@ create_file_slow(FD, M, N) ->
 %%%---------------------------------------------------------------------
 
 
-
 verify(Tab, [{analysis_options, _},
-	     [{totals, Cnt, Acc, Own} | _] | Processes]) ->
+             [{totals, Cnt, Acc, Own} | _] | Processes]) ->
     Processes_1 = 
-	lists:map(
-	  fun ([{Proc, Cnt_P, undefined, Own_P} | _]) ->
-		  case sum_process(Tab, Proc) of
-		      {Proc, Cnt_P, Acc_P, Own_P} = Clocks 
-		      when Acc_P >= Own_P ->
-			  Clocks;
-		      Weird ->
-			  throw({error, [?MODULE, ?LINE, Weird]})
-		  end
-	  end,
-	  Processes),
+    lists:map(
+      fun ([{Proc, Cnt_P, undefined, Own_P} | _]) ->
+              case sum_process(Tab, Proc) of
+                  {Proc, Cnt_P, Acc_P, Own_P} = Clocks
+                    when Acc_P >= Own_P ->
+                      Clocks;
+                  Weird ->
+                      throw({error, [?MODULE, ?LINE, Weird]})
+              end
+      end,
+      Processes),
     case lists:foldl(
-	   fun ({_, Cnt_P2, Acc_P2, Own_P2}, 
-		{totals, Cnt_T, Acc_T, Own_T}) ->
-		   {totals, Cnt_P2+Cnt_T, Acc_P2+Acc_T, Own_P2+Own_T}
-	   end,
-	   {totals, 0, 0, 0},
-	   Processes_1) of
-	{totals, Cnt, Acc_T, Own} when Acc_T >= Acc ->
-	    ok;
-	Weird ->
-	    throw({error, [?MODULE, ?LINE, Weird]})
+           fun ({_, Cnt_P2, Acc_P2, Own_P2},
+                {totals, Cnt_T, Acc_T, Own_T}) ->
+                   {totals, Cnt_P2+Cnt_T, Acc_P2+Acc_T, Own_P2+Own_T}
+           end,
+           {totals, 0, 0, 0},
+           Processes_1) of
+        {totals, Cnt, Acc_T, Own} when Acc_T >= Acc ->
+            ok;
+        Weird ->
+            throw({error, [?MODULE, ?LINE, Weird]})
     end.
-	  
 
 
 sum_process(Tab, Proc) ->
     ets_select_fold(
       Tab, [{{{Proc, '_'}, '_'}, [], ['$_']}], 100,
       fun ({{P, MFA}, {Callers, {MFA, Cnt, Acc, Own}, Called}},
-	   {P, Cnt_P, Acc_P, Own_P}) when P == Proc ->
-	      ok = verify_callers(Tab, Proc, MFA, Callers),
-	      ok = verify_called(Tab, Proc, MFA, Called),
-	      {P, Cnt+Cnt_P, Acc+Acc_P, Own+Own_P};
-	  (Weird, Clocks) ->
-	      throw({error, [?MODULE, ?LINE, Weird, Clocks]})
+           {P, Cnt_P, Acc_P, Own_P}) when P == Proc ->
+              ok = verify_callers(Tab, Proc, MFA, Callers),
+              ok = verify_called(Tab, Proc, MFA, Called),
+              {P, Cnt+Cnt_P, Acc+Acc_P, Own+Own_P};
+          (Weird, Clocks) ->
+              throw({error, [?MODULE, ?LINE, Weird, Clocks]})
       end,
       {Proc, 0, 0, 0}).
 
@@ -695,31 +630,31 @@ verify_callers(_, _, _, []) ->
 verify_callers(Tab, Proc, MFA, [{Caller, Cnt, Acc, Own} | Tail]) ->
     Id = {Proc, Caller},
     case ets:lookup(Tab, Id) of
-	[{Id, {_, {Caller, _, _, _}, Called}}] ->
-	    case lists:keysearch(MFA, 1, Called) of
-		{value, {MFA, Cnt, Acc, Own}} ->
-		    verify_callers(Tab, Proc, MFA, Tail);
-		false ->
-		    throw({error, [?MODULE, ?LINE, MFA, Id]})
-	    end;
-	Weird ->
-	    throw({error, [?MODULE, ?LINE, Weird]})
+        [{Id, {_, {Caller, _, _, _}, Called}}] ->
+            case lists:keysearch(MFA, 1, Called) of
+                {value, {MFA, Cnt, Acc, Own}} ->
+                    verify_callers(Tab, Proc, MFA, Tail);
+                false ->
+                    throw({error, [?MODULE, ?LINE, MFA, Id]})
+            end;
+        Weird ->
+            throw({error, [?MODULE, ?LINE, Weird]})
     end.
-	      
+
 verify_called(_, _, _, []) ->
     ok;
 verify_called(Tab, Proc, MFA, [{Called, Cnt, Acc, Own} | Tail]) ->
     Id = {Proc, Called},
     case ets:lookup(Tab, Id) of
-	[{Id, {Callers, {Called, _, _, _}, _}}] ->
-	    case lists:keysearch(MFA, 1, Callers) of
-		{value, {MFA, Cnt, Acc, Own}} ->
-		    verify_called(Tab, Proc, MFA, Tail);
-		false ->
-		    throw({error, [?MODULE, ?LINE, MFA, Id]})
-	    end;
-	Weird ->
-	    throw({error, [?MODULE, ?LINE, Weird]})
+        [{Id, {Callers, {Called, _, _, _}, _}}] ->
+            case lists:keysearch(MFA, 1, Callers) of
+                {value, {MFA, Cnt, Acc, Own}} ->
+                    verify_called(Tab, Proc, MFA, Tail);
+                false ->
+                    throw({error, [?MODULE, ?LINE, MFA, Id]})
+            end;
+        Weird ->
+            throw({error, [?MODULE, ?LINE, Weird]})
     end.
 
 
@@ -729,12 +664,12 @@ verify_called(Tab, Proc, MFA, [{Called, Cnt, Acc, Own} | Tail]) ->
 %% entries when they are read.
 parse(Filename) ->
     case file:open(Filename, [read]) of
-	{ok, FD} ->
-	    Result = parse_stream(FD),
-	    file:close(FD),
-	    Result;
-	Error ->
-	    Error
+        {ok, FD} ->
+            Result = parse_stream(FD),
+            file:close(FD),
+            Result;
+        Error ->
+            Error
     end.
 
 parse_stream(FD) ->
@@ -743,31 +678,31 @@ parse_stream(FD) ->
 
 parse_stream(FD, Tab, R, Proc) ->
     case catch io:read(FD, '') of
-	{'EXIT', _} ->
-	    {error, [?MODULE, ?LINE]};
-	{ok, Term} ->
-	    case parse_term(Term) of
-		{ok, {analysis_options, _} = Term_1}
-		when Proc == void ->
-		    parse_stream(FD, Tab, [Term_1 | R], analysis_options);
-		{ok, [{totals, _, _, _} | _] = Term_1}
-		when Proc == analysis_options ->
-		    parse_stream(FD, Tab, [Term_1 | R], totals);
-		{ok, [{P, _, _, _} | _] = Term_1} ->
-		    parse_stream(FD, Tab, [Term_1 | R], P);
-		{ok, {_Callers, {MFA, _, _, _}, _Called} = Term_1} 
-		when Proc == totals; is_list(Proc) ->
-		    ets:insert(Tab, {{Proc, MFA}, Term_1}),
-		    parse_stream(FD, Tab, R, Proc);
-		{ok, Term_1} ->
-		    {error, [?MODULE, ?LINE, Term_1]};
-		E ->
-		    E
-	    end;
-	eof ->
-	    {ok, [Tab, lists:reverse(R)]};
-	Error ->
-	    Error
+        {'EXIT', _} ->
+            {error, [?MODULE, ?LINE]};
+        {ok, Term} ->
+            case parse_term(Term) of
+                {ok, {analysis_options, _} = Term_1}
+                  when Proc == void ->
+                    parse_stream(FD, Tab, [Term_1 | R], analysis_options);
+                {ok, [{totals, _, _, _} | _] = Term_1}
+                  when Proc == analysis_options ->
+                    parse_stream(FD, Tab, [Term_1 | R], totals);
+                {ok, [{P, _, _, _} | _] = Term_1} ->
+                    parse_stream(FD, Tab, [Term_1 | R], P);
+                {ok, {_Callers, {MFA, _, _, _}, _Called} = Term_1}
+                  when Proc == totals; is_list(Proc) ->
+                    ets:insert(Tab, {{Proc, MFA}, Term_1}),
+                    parse_stream(FD, Tab, R, Proc);
+                {ok, Term_1} ->
+                    {error, [?MODULE, ?LINE, Term_1]};
+                E ->
+                    E
+            end;
+        eof ->
+            {ok, [Tab, lists:reverse(R)]};
+        Error ->
+            Error
     end.
 
 parse_term({Callers, Func, Called})
@@ -777,10 +712,10 @@ parse_term({Callers, Func, Called})
     Called_1 = lists:map(fun parse_clocks/1, Called),
     Result = {Callers_1, Func_1, Called_1},
     case chk_invariant(Result) of
-	ok ->
-	    {ok, Result};
-	Error ->
-	    Error
+        ok ->
+            {ok, Result};
+        Error ->
+            Error
     end;
 parse_term([{_, _, _, _} = Clocks | Tail]) ->
     {ok, [parse_clocks(Clocks) | Tail]};
@@ -798,41 +733,41 @@ parse_clocks(Clocks) ->
 
 chk_invariant({Callers, {MFA, Cnt, Acc, Own}, Called} = Term) ->
     {_, Callers_Cnt, Callers_Acc, Callers_Own} = Callers_Sum = sum(Callers),
-%    {_, Called_Cnt, Called_Acc, Called_Own} = Called_Sum = sum(Called),
+    %    {_, Called_Cnt, Called_Acc, Called_Own} = Called_Sum = sum(Called),
     case {MFA, 
-	  lists:keymember(suspend, 1, Callers),
-	  lists:keymember(garbage_collect, 1, Callers),
-	  Called} of
-	{suspend, false, _, []} ->
-	    ok;
-	{suspend, _, _, _} = Weird ->
-	    {error, [?MODULE, ?LINE, Weird, Term]};
-	{garbage_collect, false, false, []} ->
-	    ok;
-	{garbage_collect, false, false, [{suspend, _, _, _}]} ->
-	    ok;
-	{garbage_collect, _, _, _} = Weird ->
-	    {error, [?MODULE, ?LINE, Weird, Term]};
-	{undefined, false, false, _} 
-	when Callers == [], Cnt == 0, Acc == 0, Own == 0 ->
-	    ok;
-	{undefined, _, _, _} = Weird ->
-	    {error, [?MODULE, ?LINE, Weird, Term]};
-	{_, _, _, _} ->
-	    case chk_self_call(Term) of
-		true when Callers_Cnt /= Cnt; Callers_Acc /= Acc; 
-			  Callers_Own /= Own ->
-		    {error, [?MODULE, ?LINE, Callers_Sum, Term]};
-% 		true when Called_Acc + Own /= Acc ->
-% 		    io:format("WARNING: ~p:~p, ~p, ~p.~n",
-% 			      [?MODULE, ?LINE, Term, Called_Sum]),
-% 		    {error, [?MODULE, ?LINE, Term, Called_Sum]};
-% 		    ok;
-		true ->
-		    ok;
-		false ->
-		    {error, [?MODULE, ?LINE, Term]}
-	    end
+          lists:keymember(suspend, 1, Callers),
+          lists:keymember(garbage_collect, 1, Callers),
+          Called} of
+        {suspend, false, _, []} ->
+            ok;
+        {suspend, _, _, _} = Weird ->
+            {error, [?MODULE, ?LINE, Weird, Term]};
+        {garbage_collect, false, false, []} ->
+            ok;
+        {garbage_collect, false, false, [{suspend, _, _, _}]} ->
+            ok;
+        {garbage_collect, _, _, _} = Weird ->
+            {error, [?MODULE, ?LINE, Weird, Term]};
+        {undefined, false, false, _}
+          when Callers == [], Cnt == 0, Acc == 0, Own == 0 ->
+            ok;
+        {undefined, _, _, _} = Weird ->
+            {error, [?MODULE, ?LINE, Weird, Term]};
+        {_, _, _, _} ->
+            case chk_self_call(Term) of
+                true when Callers_Cnt /= Cnt; Callers_Acc /= Acc;
+                          Callers_Own /= Own ->
+                    {error, [?MODULE, ?LINE, Callers_Sum, Term]};
+                % 		true when Called_Acc + Own /= Acc ->
+                % 		    io:format("WARNING: ~p:~p, ~p, ~p.~n",
+                % 			      [?MODULE, ?LINE, Term, Called_Sum]),
+                % 		    {error, [?MODULE, ?LINE, Term, Called_Sum]};
+                % 		    ok;
+                true ->
+                    ok;
+                false ->
+                    {error, [?MODULE, ?LINE, Term]}
+            end
     end.
 
 ts_sub({A, B, C}, {A0, B0, C0}) ->
@@ -840,28 +775,28 @@ ts_sub({A, B, C}, {A0, B0, C0}) ->
 
 sum(Funcs) ->
     {sum, _Cnt, _Acc, _Own} = 
-	lists:foldl(
-	  fun ({_, C1, A1, O1}, {sum, C2, A2, O2}) ->
-		  {sum, C1+C2, A1+A2, O1+O2}
-	  end,
-	  {sum, 0, 0, 0},
-	  Funcs).
+    lists:foldl(
+      fun ({_, C1, A1, O1}, {sum, C2, A2, O2}) ->
+              {sum, C1+C2, A1+A2, O1+O2}
+      end,
+      {sum, 0, 0, 0},
+      Funcs).
 
 chk_self_call({Callers, {MFA, _Cnt, _Acc, _Own}, Called}) ->
     case lists:keysearch(MFA, 1, Callers) of
-	false ->
-	    true;
-	{value, {MFA, C, 0, O}} ->
-	    case lists:keysearch(MFA, 1, Called) of
-		false ->
-		    false;
-		{value, {MFA, C, 0, O}} ->
-		    true;
-		{value, _} ->
-		    false
-	    end;
-	{value, _} ->
-	    false
+        false ->
+            true;
+        {value, {MFA, C, 0, O}} ->
+            case lists:keysearch(MFA, 1, Called) of
+                false ->
+                    false;
+                {value, {MFA, C, 0, O}} ->
+                    true;
+                {value, _} ->
+                    false
+            end;
+        {value, _} ->
+            false
     end.
 
 
@@ -879,9 +814,8 @@ ets_select_fold_1('$end_of_table', _, Acc) ->
     Acc;
 ets_select_fold_1({Matches, Continuation}, Fun, Acc) ->
     ets_select_fold_1(ets:select(Continuation), 
-		      Fun, 
-		      lists:foldl(Fun, Acc, Matches)).
-
+                      Fun,
+                      lists:foldl(Fun, Acc, Matches)).
 
 
 % ets_select_foreach(Table, MatchSpec, Limit, Fun) ->
@@ -910,7 +844,7 @@ check_own_and_acc(TraceFile, AnalysisFile) ->
 check_own_and_acc(TraceFile, AnalysisFile, HandlerFun) ->
     dbg:trace_client(file,TraceFile,{HandlerFun,{init,self()}}),
     receive {result,Result} -> 
-	    compare(Result,get_own_and_acc_from_analysis(AnalysisFile))
+                compare(Result,get_own_and_acc_from_analysis(AnalysisFile))
     end.
 
 %% handle_trace_traced(Trace, Msg) ->
@@ -924,21 +858,21 @@ handle_trace(Trace,{init,Parent}) ->
 handle_trace({trace_ts,Pid,in,MFA,TS},P) ->
     ?dbg("~p",[{{in,Pid,MFA},get(Pid)}]),
     case get(Pid) of
-	[suspend|[suspend|_]=NewStack] ->
-	    T = ts_sub(TS,get({Pid,last_ts})),
-	    update_acc(Pid,NewStack,T),
-	    put(Pid,NewStack);
-	[suspend|NewStack] = Stack ->
-	    T = ts_sub(TS,get({Pid,last_ts})),
-	    update_acc(Pid,Stack,T),
-	    put(Pid,NewStack);
-	[] ->
-	    put(Pid,[MFA]),
-	    insert(Pid,MFA);
-	undefined ->
-	    put(first_ts,TS),
-	    put(Pid,[MFA]),
-	    insert(Pid,MFA)
+        [suspend|[suspend|_]=NewStack] ->
+            T = ts_sub(TS,get({Pid,last_ts})),
+            update_acc(Pid,NewStack,T),
+            put(Pid,NewStack);
+        [suspend|NewStack] = Stack ->
+            T = ts_sub(TS,get({Pid,last_ts})),
+            update_acc(Pid,Stack,T),
+            put(Pid,NewStack);
+        [] ->
+            put(Pid,[MFA]),
+            insert(Pid,MFA);
+        undefined ->
+            put(first_ts,TS),
+            put(Pid,[MFA]),
+            insert(Pid,MFA)
     end,
     put({Pid,last_ts},TS),
     P;
@@ -946,17 +880,17 @@ handle_trace({trace_ts,Pid,out,_MfaOrZero,TS},P) ->
     ?dbg("~p",[{{out,Pid,_MfaOrZero},get(Pid)}]),
     T = ts_sub(TS,get({Pid,last_ts})),
     case get(Pid) of
-	[suspend|S] = Stack ->
-	    update_acc(Pid,S,T),
-	    put(Pid,[suspend|Stack]);
-	[MFA|_] = Stack ->
-	    insert(Pid,suspend),
-	    update_own(Pid,MFA,T),
-	    update_acc(Pid,Stack,T),
-	    put(Pid,[suspend|Stack]);
-	[] ->
-	    insert(Pid,suspend),
-	    put(Pid,[suspend])
+        [suspend|S] = Stack ->
+            update_acc(Pid,S,T),
+            put(Pid,[suspend|Stack]);
+        [MFA|_] = Stack ->
+            insert(Pid,suspend),
+            update_own(Pid,MFA,T),
+            update_acc(Pid,Stack,T),
+            put(Pid,[suspend|Stack]);
+        [] ->
+            insert(Pid,suspend),
+            put(Pid,[suspend])
     end,
     put({Pid,last_ts},TS),
     P;
@@ -964,26 +898,26 @@ handle_trace({trace_ts,Pid,call,MFA,{cp,Caller},TS},P) ->
     ?dbg("~p",[{{call,Pid,MFA},get(Pid)}]),
     T = ts_sub(TS,get({Pid,last_ts})),
     case get(Pid) of
-	[MFA|_] = Stack ->
-	    %% recursive
-	    update_own(Pid,MFA,T),
-	    update_acc(Pid,Stack,T);
-	[CallingMFA|_] = Stack when Caller==undefined ->
-	    insert(Pid,MFA),
-	    update_own(Pid,CallingMFA,T),
-	    update_acc(Pid,Stack,T),
-	    put(Pid,[MFA|Stack]);
-	[] when Caller==undefined ->
-	    insert(Pid,MFA),
-	    insert(Pid,MFA),
-	    put(Pid,[MFA]);
-	 Stack0 ->
-	    Stack = [CallingMFA|_] = insert_caller(Caller,Stack0,[]),
-	    insert(Pid,MFA),
-	    insert(Pid,Caller),
-	    update_own(Pid,CallingMFA,T),
-	    update_acc(Pid,Stack,T),
-	    put(Pid,[MFA|Stack])
+        [MFA|_] = Stack ->
+            %% recursive
+            update_own(Pid,MFA,T),
+            update_acc(Pid,Stack,T);
+        [CallingMFA|_] = Stack when Caller==undefined ->
+            insert(Pid,MFA),
+            update_own(Pid,CallingMFA,T),
+            update_acc(Pid,Stack,T),
+            put(Pid,[MFA|Stack]);
+        [] when Caller==undefined ->
+            insert(Pid,MFA),
+            insert(Pid,MFA),
+            put(Pid,[MFA]);
+        Stack0 ->
+            Stack = [CallingMFA|_] = insert_caller(Caller,Stack0,[]),
+            insert(Pid,MFA),
+            insert(Pid,Caller),
+            update_own(Pid,CallingMFA,T),
+            update_acc(Pid,Stack,T),
+            put(Pid,[MFA|Stack])
     end,
     put({Pid,last_ts},TS),
     P;
@@ -991,48 +925,48 @@ handle_trace({trace_ts,Pid,return_to,MFA,TS},P) ->
     ?dbg("~p",[{{return_to,Pid,MFA},get(Pid)}]),
     T = ts_sub(TS,get({Pid,last_ts})),
     case get(Pid) of
-	[MFA|_] = Stack ->
-	    %% recursive
-	    update_own(Pid,MFA,T),
-	    update_acc(Pid,Stack,T),
-	    put(Pid,Stack);
-	[ReturnFromMFA,MFA|RestOfStack] = Stack ->
-	    update_own(Pid,ReturnFromMFA,T),
-	    update_acc(Pid,Stack,T),
-	    put(Pid,[MFA|RestOfStack]);
-	[ReturnFromMFA|RestOfStack] = Stack ->
-	    update_own(Pid,ReturnFromMFA,T),
-	    update_acc(Pid,Stack,T),
-	    case find_return_to(MFA,RestOfStack) of
-		[] when MFA==undefined -> 
-		    put(Pid,[]);
-		[] -> 
-		    insert(Pid,MFA),
-		    put(Pid,[MFA]);
-		NewStack ->
-		    put(Pid,NewStack)
-	    end
+        [MFA|_] = Stack ->
+            %% recursive
+            update_own(Pid,MFA,T),
+            update_acc(Pid,Stack,T),
+            put(Pid,Stack);
+        [ReturnFromMFA,MFA|RestOfStack] = Stack ->
+            update_own(Pid,ReturnFromMFA,T),
+            update_acc(Pid,Stack,T),
+            put(Pid,[MFA|RestOfStack]);
+        [ReturnFromMFA|RestOfStack] = Stack ->
+            update_own(Pid,ReturnFromMFA,T),
+            update_acc(Pid,Stack,T),
+            case find_return_to(MFA,RestOfStack) of
+                [] when MFA==undefined ->
+                    put(Pid,[]);
+                [] ->
+                    insert(Pid,MFA),
+                    put(Pid,[MFA]);
+                NewStack ->
+                    put(Pid,NewStack)
+            end
     end,
     put({Pid,last_ts},TS),
     P;
 handle_trace({trace_ts,Pid,gc_start,_,TS},P) ->
     ?dbg("~p",[{{gc_start,Pid},get(Pid)}]),
     case get(Pid) of
-	[suspend|_] = Stack ->
-	    T = ts_sub(TS,get({Pid,last_ts})),
-	    insert(Pid,garbage_collect),
-	    update_acc(Pid,Stack,T),
-	    put(Pid,[garbage_collect|Stack]);
-	[CallingMFA|_] = Stack ->
-	    T = ts_sub(TS,get({Pid,last_ts})),
-	    insert(Pid,garbage_collect),
-	    update_own(Pid,CallingMFA,T),
-	    update_acc(Pid,Stack,T),
-	    put(Pid,[garbage_collect|Stack]);
-	undefined ->
-	    put(first_ts,TS),
-	    put(Pid,[garbage_collect]),
-	    insert(Pid,garbage_collect)
+        [suspend|_] = Stack ->
+            T = ts_sub(TS,get({Pid,last_ts})),
+            insert(Pid,garbage_collect),
+            update_acc(Pid,Stack,T),
+            put(Pid,[garbage_collect|Stack]);
+        [CallingMFA|_] = Stack ->
+            T = ts_sub(TS,get({Pid,last_ts})),
+            insert(Pid,garbage_collect),
+            update_own(Pid,CallingMFA,T),
+            update_acc(Pid,Stack,T),
+            put(Pid,[garbage_collect|Stack]);
+        undefined ->
+            put(first_ts,TS),
+            put(Pid,[garbage_collect]),
+            insert(Pid,garbage_collect)
     end,
     put({Pid,last_ts},TS),
     P;
@@ -1040,10 +974,10 @@ handle_trace({trace_ts,Pid,gc_end,_,TS},P) ->
     ?dbg("~p",[{{gc_end,Pid},get(Pid)}]),
     T = ts_sub(TS,get({Pid,last_ts})),
     case get(Pid) of
-	[garbage_collect|RestOfStack] = Stack ->
-	    update_own(Pid,garbage_collect,T),
-	    update_acc(Pid,Stack,T),
-	    put(Pid,RestOfStack)
+        [garbage_collect|RestOfStack] = Stack ->
+            update_own(Pid,garbage_collect,T),
+            update_acc(Pid,Stack,T),
+            put(Pid,RestOfStack)
     end,
     put({Pid,last_ts},TS),
     P;
@@ -1056,9 +990,9 @@ handle_trace({trace_ts,Pid,spawn,NewPid,{M,F,Args},TS},P) ->
     insert(NewPid,suspend),
     insert(NewPid,MFA),
     case get(Pid) of
-	[SpawningMFA|_] = Stack ->
-	    update_own(Pid,SpawningMFA,T),
-	    update_acc(Pid,Stack,T)
+        [SpawningMFA|_] = Stack ->
+            update_own(Pid,SpawningMFA,T),
+            update_acc(Pid,Stack,T)
     end,
     put({Pid,last_ts},TS),
     P;
@@ -1066,12 +1000,12 @@ handle_trace({trace_ts,Pid,exit,_Reason,TS},P) ->
     ?dbg("~p",[{{exit,Pid,_Reason},get(Pid)}]),
     T = ts_sub(TS,get({Pid,last_ts})),
     case get(Pid) of
-	[DyingMFA|_] = Stack ->
-	    update_own(Pid,DyingMFA,T),
-	    update_acc(Pid,Stack,T),
-	    put(Pid,[]);
-	[] ->
-	    ok
+        [DyingMFA|_] = Stack ->
+            update_own(Pid,DyingMFA,T),
+            update_acc(Pid,Stack,T),
+            put(Pid,[]);
+        [] ->
+            ok
     end,
     put({Pid,last_ts},TS),
     P;
@@ -1107,10 +1041,10 @@ insert_caller(MFA,[],Result) ->
 
 insert(Pid,MFA) ->
     case ets:member(fprof_verify_tab,{Pid,MFA}) of
-	false ->
-	    ets:insert(fprof_verify_tab,{{Pid,MFA},0,0});
-	true ->
-	    ok
+        false ->
+            ets:insert(fprof_verify_tab,{{Pid,MFA},0,0});
+        true ->
+            ok
     end.
 
 update_own(Pid,MFA,T) ->
@@ -1118,11 +1052,11 @@ update_own(Pid,MFA,T) ->
 
 update_acc(Pid,[MFA|Rest],T) ->
     case lists:member(MFA,Rest) of
-	true -> 
-	    %% Only charge one time for recursive functions
-	    ok;
-	false -> 
-	    ets:update_counter(fprof_verify_tab,{Pid,MFA},{2,T})
+        true ->
+            %% Only charge one time for recursive functions
+            ok;
+        false ->
+            ets:update_counter(fprof_verify_tab,{Pid,MFA},{2,T})
     end,
     update_acc(Pid,Rest,T);
 update_acc(_Pid,[],_T) ->
@@ -1140,63 +1074,63 @@ get_last_ts([],Last) ->
 
 get_proc_owns([{{Pid,_MFA},_Acc,Own}|Rest],Result,Sum) ->
     NewResult = 
-	case lists:keysearch(Pid,1,Result) of
-	    {value,{Pid,undefined,PidOwn}} ->
-		lists:keyreplace(Pid,1,Result,{Pid,undefined,PidOwn+Own});
-	    false ->
-		[{Pid,undefined,Own}|Result]
+    case lists:keysearch(Pid,1,Result) of
+        {value,{Pid,undefined,PidOwn}} ->
+            lists:keyreplace(Pid,1,Result,{Pid,undefined,PidOwn+Own});
+        false ->
+            [{Pid,undefined,Own}|Result]
     end,
     get_proc_owns(Rest,NewResult,Sum+Own);
 get_proc_owns([],Result,Sum) ->
     {Sum,Result}.
-    
+
 
 compare([X|Rest],FprofResult) ->
     FprofResult1 = 
-	case lists:member(X,FprofResult) of
-	    true ->
-		?dbg("~p",[X]),
-		lists:delete(X,FprofResult);
-	    false -> 
-		case lists:keysearch(element(1,X),1,FprofResult) of
-		    {value,Fprof} ->
-			put(compare_error,true),
-			io:format("Error: Different values\n"
-				  "Fprof:     ~p\n"
-				  "Simulator: ~p",[Fprof,X]),
-			lists:delete(Fprof,FprofResult);
-		    false ->
-			put(compare_error,true),
-			io:format("Error: Missing in fprof: ~p",[X]),
-			FprofResult
-		end
-	end,
+    case lists:member(X,FprofResult) of
+        true ->
+            ?dbg("~p",[X]),
+            lists:delete(X,FprofResult);
+        false ->
+            case lists:keysearch(element(1,X),1,FprofResult) of
+                {value,Fprof} ->
+                    put(compare_error,true),
+                    io:format("Error: Different values\n"
+                              "Fprof:     ~p\n"
+                              "Simulator: ~p",[Fprof,X]),
+                    lists:delete(Fprof,FprofResult);
+                false ->
+                    put(compare_error,true),
+                    io:format("Error: Missing in fprof: ~p",[X]),
+                    FprofResult
+            end
+    end,
     compare(Rest,FprofResult1);
 compare([],Rest) ->
     case {remove_undefined(Rest,[]),get(compare_error)} of
-	{[],undefined} -> ok;
-	{Error,_} ->
-	    case Error of
-		[] -> ok;
-		_ -> io:format("\nMissing in simulator results:\n~p\n",[Error])
-	    end,
-	    ?t:fail({error,mismatch_between_simulator_and_fprof})
+        {[],undefined} -> ok;
+        {Error,_} ->
+            case Error of
+                [] -> ok;
+                _ -> io:format("\nMissing in simulator results:\n~p\n",[Error])
+            end,
+            ct:fail({error,mismatch_between_simulator_and_fprof})
     end.
-    
+
 remove_undefined([{{_Pid,undefined},_,_}|Rest],Result) ->
     remove_undefined(Rest,Result);
 remove_undefined([X|Rest],Result) ->
     remove_undefined(Rest,[X|Result]);
 remove_undefined([],Result) ->
     Result.
-    
+
 get_own_and_acc_from_analysis(Log) ->
     case file:consult(Log) of
-	{ok,[_Options,[{totals,_,TotAcc,TotOwn}]|Rest]} ->
-	    get_own_and_acc(undefined,Rest,
-			    [{totals,m1000(TotAcc),m1000(TotOwn)}]);
-	Error ->
-	    exit({error,{cant_open,Log,Error}})
+        {ok,[_Options,[{totals,_,TotAcc,TotOwn}]|Rest]} ->
+            get_own_and_acc(undefined,Rest,
+                            [{totals,m1000(TotAcc),m1000(TotOwn)}]);
+        Error ->
+            exit({error,{cant_open,Log,Error}})
     end.
 
 get_own_and_acc(_,[[{PidStr,_,Acc,Own}|_]|Rest],Result) ->
@@ -1212,3 +1146,5 @@ m1000(undefined) ->
 m1000(X) ->
     round(X*1000).
 
+divide(_,0) -> inf;
+divide(A,B) -> A / B.