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-rw-r--r--lib/tools/doc/src/lcnt.xml2
-rw-r--r--lib/tools/src/cover.erl18
-rw-r--r--lib/tools/src/lcnt.erl9
-rw-r--r--lib/tools/test/cover_SUITE.erl28
-rw-r--r--lib/tools/test/lcnt_SUITE.erl15
5 files changed, 57 insertions, 15 deletions
diff --git a/lib/tools/doc/src/lcnt.xml b/lib/tools/doc/src/lcnt.xml
index 5bdfc60448..0c24375b91 100644
--- a/lib/tools/doc/src/lcnt.xml
+++ b/lib/tools/doc/src/lcnt.xml
@@ -371,7 +371,7 @@
<v>Serial = integer()</v>
</type>
<desc>
- <p>Creates a process id with creation 0. Example:</p>
+ <p>Creates a process id with creation 0.</p>
</desc>
</func>
diff --git a/lib/tools/src/cover.erl b/lib/tools/src/cover.erl
index 5517882ffa..4e64d7aa4e 100644
--- a/lib/tools/src/cover.erl
+++ b/lib/tools/src/cover.erl
@@ -2456,7 +2456,9 @@ do_analyse_to_file1(Module, OutFile, ErlFile, HTML) ->
Pattern = {#bump{module=Module,line='$1',_='_'},'$2'},
MS = [{Pattern,[{is_integer,'$1'},{'>','$1',0}],[{{'$1','$2'}}]}],
- CovLines = lists:keysort(1,ets:select(?COLLECTION_TABLE, MS)),
+ CovLines0 =
+ lists:keysort(1, ets:select(?COLLECTION_TABLE, MS)),
+ CovLines = merge_dup_lines(CovLines0),
print_lines(Module, CovLines, InFd, OutFd, 1, HTML),
if HTML ->
@@ -2477,19 +2479,23 @@ do_analyse_to_file1(Module, OutFile, ErlFile, HTML) ->
{error, {file, ErlFile, Reason}}
end.
+merge_dup_lines(CovLines) ->
+ merge_dup_lines(CovLines, []).
+merge_dup_lines([{L, N}|T], [{L, NAcc}|TAcc]) ->
+ merge_dup_lines(T, [{L, NAcc + N}|TAcc]);
+merge_dup_lines([{L, N}|T], Acc) ->
+ merge_dup_lines(T, [{L, N}|Acc]);
+merge_dup_lines([], Acc) ->
+ lists:reverse(Acc).
print_lines(Module, CovLines, InFd, OutFd, L, HTML) ->
case file:read_line(InFd) of
eof ->
ignore;
- {ok,"%"++_=Line} -> %Comment line - not executed.
- ok = file:write(OutFd, [tab(),escape_lt_and_gt(Line, HTML)]),
- print_lines(Module, CovLines, InFd, OutFd, L+1, HTML);
{ok,RawLine} ->
Line = escape_lt_and_gt(RawLine,HTML),
case CovLines of
[{L,N}|CovLines1] ->
- %% N = lists:foldl(fun([Ni], Nacc) -> Nacc+Ni end, 0, Ns),
if N=:=0, HTML=:=true ->
LineNoNL = Line -- "\n",
Str = " 0",
@@ -2508,7 +2514,7 @@ print_lines(Module, CovLines, InFd, OutFd, L, HTML) ->
ok = file:write(OutFd, [Str,fill3(),Line])
end,
print_lines(Module, CovLines1, InFd, OutFd, L+1, HTML);
- _ ->
+ _ -> %Including comment lines
ok = file:write(OutFd, [tab(),Line]),
print_lines(Module, CovLines, InFd, OutFd, L+1, HTML)
end
diff --git a/lib/tools/src/lcnt.erl b/lib/tools/src/lcnt.erl
index 139b3d8a4a..d0152a4915 100644
--- a/lib/tools/src/lcnt.erl
+++ b/lib/tools/src/lcnt.erl
@@ -218,9 +218,11 @@ raw() -> call(raw).
set(Option, Value) -> call({set, Option, Value}).
set({Option, Value}) -> call({set, Option, Value}).
save(Filename) -> call({save, Filename}).
-load(Filename) -> ok = start_internal(), call({load, Filename}).
+load(Filename) -> call({load, Filename}).
-call(Msg) -> gen_server:call(?MODULE, Msg, infinity).
+call(Msg) ->
+ ok = start_internal(),
+ gen_server:call(?MODULE, Msg, infinity).
%% -------------------------------------------------------------------- %%
%%
@@ -237,7 +239,6 @@ apply(Fun) when is_function(Fun) ->
lcnt:apply(Fun, []).
apply(Fun, As) when is_function(Fun) ->
- ok = start_internal(),
Opt = lcnt:rt_opt({copy_save, true}),
lcnt:clear(),
Res = erlang:apply(Fun, As),
@@ -943,7 +944,7 @@ print_state_information(#state{locks = Locks} = State) ->
print(kv("#tries", s(Stats#stats.tries))),
print(kv("#colls", s(Stats#stats.colls))),
print(kv("wait time", s(Stats#stats.time) ++ " us" ++ " ( " ++ s(Stats#stats.time/1000000) ++ " s)")),
- print(kv("percent of duration", s(Stats#stats.time/State#state.duration*100) ++ " %")),
+ print(kv("percent of duration", s(percent(Stats#stats.time, State#state.duration)) ++ " %")),
ok.
diff --git a/lib/tools/test/cover_SUITE.erl b/lib/tools/test/cover_SUITE.erl
index 90e113c178..161b0105b9 100644
--- a/lib/tools/test/cover_SUITE.erl
+++ b/lib/tools/test/cover_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2017. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -35,7 +35,7 @@ all() ->
distribution, reconnect, die_and_reconnect,
dont_reconnect_after_stop, stop_node_after_disconnect,
export_import, otp_5031, otp_6115,
- otp_8270, otp_10979_hanging_node],
+ otp_8270, otp_10979_hanging_node, otp_14817],
case whereis(cover_server) of
undefined ->
[coverage,StartStop ++ NoStartStop];
@@ -1574,6 +1574,30 @@ otp_10979_hanging_node(_Config) ->
ok.
+otp_14817(Config) when is_list(Config) ->
+ Test = <<"-module(otp_14817).
+ -export([a/0, b/0, c/0, d/0]).
+ a() -> ok. b() -> ok. c() -> ok.
+ d() -> ok.
+ ">>,
+ File = cc_mod(otp_14817, Test, Config),
+ ok = otp_14817:a(),
+ ok = otp_14817:b(),
+ ok = otp_14817:c(),
+ ok = otp_14817:d(),
+ {ok,[{{otp_14817,3},1},
+ {{otp_14817,3},1},
+ {{otp_14817,3},1},
+ {{otp_14817,4},1}]} =
+ cover:analyse(otp_14817, calls, line),
+ {ok, CovOut} = cover:analyse_to_file(otp_14817),
+ {ok, Bin} = file:read_file(CovOut),
+ <<"3..|",_/binary>> = string:find(Bin, "3..|"),
+ <<"1..|",_/binary>> = string:find(Bin, "1..|"),
+ ok = file:delete(File),
+ ok = file:delete(CovOut),
+ ok.
+
%% Take compiler options from beam in cover:compile_beam
compile_beam_opts(Config) when is_list(Config) ->
{ok, Cwd} = file:get_cwd(),
diff --git a/lib/tools/test/lcnt_SUITE.erl b/lib/tools/test/lcnt_SUITE.erl
index 146c915087..a79572a742 100644
--- a/lib/tools/test/lcnt_SUITE.erl
+++ b/lib/tools/test/lcnt_SUITE.erl
@@ -30,6 +30,8 @@
t_conflicts/1,
t_locations/1,
t_swap_keys/1,
+ t_implicit_start/1,
+ t_crash_before_collect/1,
smoke_lcnt/1]).
init_per_testcase(_Case, Config) ->
@@ -44,8 +46,8 @@ suite() ->
{timetrap,{minutes,4}}].
all() ->
- [t_load, t_conflicts, t_locations, t_swap_keys,
- smoke_lcnt].
+ [t_load, t_conflicts, t_locations, t_swap_keys, t_implicit_start,
+ t_crash_before_collect, smoke_lcnt].
%%----------------------------------------------------------------------
%% Tests
@@ -149,6 +151,15 @@ t_swap_keys_file([File|Files]) ->
ok = lcnt:stop(),
t_swap_keys_file(Files).
+%% Prior to OTP-14913 this would crash with 'noproc' as the lcnt server hadn't
+%% been started yet.
+t_implicit_start(Config) when is_list(Config) ->
+ ok = lcnt:conflicts().
+
+t_crash_before_collect(Config) when is_list(Config) ->
+ {ok, _} = lcnt:start(),
+ ok = lcnt:information().
+
%% Simple smoke test of actual lock-counting, if running on
%% a run-time with lock-counting enabled.
smoke_lcnt(Config) ->