tools: Add testcase to eprof_SUITE

Test disabling of set_on_spawn

2 files changed, 63 insertions, 3 deletions

diff --git a/lib/tools/test/eprof_SUITE.erl b/lib/tools/test/eprof_SUITE.erl
index c412a70f89..148622cf07 100644
--- a/lib/tools/test/eprof_SUITE.erl
+++ b/lib/tools/test/eprof_SUITE.erl
@@ -21,12 +21,14 @@
 -include_lib("test_server/include/test_server.hrl").
 
 -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, 
-	 init_per_group/2,end_per_group/2,tiny/1,eed/1,basic/1]).
+	init_per_group/2,end_per_group/2]).
+
+-export([tiny/1,eed/1,basic/1,basic_option/1]).
 
 suite() -> [{ct_hooks,[ts_install_cth]}].
 
 all() -> 
-    [basic, tiny, eed].
+    [basic, basic_option, tiny, eed].
 
 groups() -> 
     [].
@@ -124,6 +126,51 @@ basic(Config) when is_list(Config) ->
     stopped = eprof:stop(),
     ok.
 
+basic_option(Config) when is_list(Config) ->
+    %% load eprof_test and change directory
+
+    {ok, OldCurDir} = file:get_cwd(),
+    Datadir = ?config(data_dir, Config),
+    Privdir = ?config(priv_dir, Config),
+    {ok,eprof_test} = compile:file(filename:join(Datadir, "eprof_test"),
+					       [trace,{outdir, Privdir}]),
+    ok = file:set_cwd(Privdir),
+    code:purge(eprof_test),
+    {module,eprof_test} = code:load_file(eprof_test),
+
+    % vanilla
+    {ok, _} = eprof:profile(fun() -> eprof_test:do(10) end, [{set_on_spawn, true}]),
+
+    [{_, MfasDo1},{_, MfasLists1}] = eprof:dump(),
+    Mfas1 = MfasDo1 ++ MfasLists1,
+
+    {value, {_, {11, _}}} = lists:keysearch({eprof_test,dec,1},  1, Mfas1),
+    {value, {_, { 1, _}}} = lists:keysearch({eprof_test, go,1},  1, Mfas1),
+    {value, {_, { 9, _}}} = lists:keysearch({lists, split_2,5},  1, Mfas1),
+    {value, {_, { 4, _}}} = lists:keysearch({lists, seq_loop,3}, 1, Mfas1),
+
+    {ok, _} = eprof:profile(fun() -> eprof_test:do(10) end, [set_on_spawn]),
+
+    [{_, MfasDo2},{_, MfasLists2}] = eprof:dump(),
+    Mfas2 = MfasDo2 ++ MfasLists2,
+    {value, {_, {11, _}}} = lists:keysearch({eprof_test,dec,1},  1, Mfas2),
+    {value, {_, { 1, _}}} = lists:keysearch({eprof_test, go,1},  1, Mfas2),
+    {value, {_, { 9, _}}} = lists:keysearch({lists, split_2,5},  1, Mfas2),
+    {value, {_, { 4, _}}} = lists:keysearch({lists, seq_loop,3}, 1, Mfas2),
+
+    % disable trace set_on_spawn
+    {ok, _} = eprof:profile(fun() -> eprof_test:do(10) end, []),
+    [{_, Mfas3}] = eprof:dump(),
+    {value, {_, {11, _}}} = lists:keysearch({eprof_test,dec,1}, 1, Mfas3),
+    {value, {_, { 1, _}}} = lists:keysearch({eprof_test, go,1}, 1, Mfas3),
+    false = lists:keysearch({lists, split_2,5},  1, Mfas3),
+    false = lists:keysearch({lists, seq_loop,3}, 1, Mfas3),
+
+    %% change current working directory
+    ok = file:set_cwd(OldCurDir),
+    stopped = eprof:stop(),
+    ok.
+
 tiny(suite) -> [];
 tiny(Config) when is_list(Config) -> 
     ensure_eprof_stopped(),
diff --git a/lib/tools/test/eprof_SUITE_data/eprof_test.erl b/lib/tools/test/eprof_SUITE_data/eprof_test.erl
index 33c428e893..2d9e4c2945 100644
--- a/lib/tools/test/eprof_SUITE_data/eprof_test.erl
+++ b/lib/tools/test/eprof_SUITE_data/eprof_test.erl
@@ -1,5 +1,5 @@
 -module(eprof_test).
--export([go/1]).
+-export([go/1, do/1]).
 
 go(N) ->
     0 = dec(N),
@@ -7,3 +7,16 @@ go(N) ->
 
 dec(0) -> 0;
 dec(N) -> dec(N - 1).
+
+
+
+load(N, Pid) ->
+    _ = lists:sort(lists:reverse(lists:seq(1, N))),
+    Pid ! {self(), ok}.
+
+
+do(N) ->
+    Me  = self(),
+    Pid = spawn_link(fun() -> load(N, Me) end),
+    ok  = go(N),
+    receive {Pid, ok} -> ok end.