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authorLukas Larsson <[email protected]>2016-04-19 11:26:23 +0200
committerLukas Larsson <[email protected]>2016-04-26 16:02:44 +0200
commit5c154925e9fb0ecd3555ad91b7c9f11aeb173143 (patch)
treea3c0c7997c366c50c5e990d85d70e4e11c947d31
parentd8371a0598ee7c831e8f096cfd5b0af0a0503474 (diff)
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erts: Add tests for set on link tracing
-rw-r--r--erts/emulator/test/trace_SUITE.erl49
1 files changed, 48 insertions, 1 deletions
diff --git a/erts/emulator/test/trace_SUITE.erl b/erts/emulator/test/trace_SUITE.erl
index b7f312635e..70ead0ecd8 100644
--- a/erts/emulator/test/trace_SUITE.erl
+++ b/erts/emulator/test/trace_SUITE.erl
@@ -32,6 +32,7 @@
suspend_system_limit/1, suspend_opts/1, suspend_waiting/1,
new_clear/1, existing_clear/1,
set_on_spawn/1, set_on_first_spawn/1, cpu_timestamp/1,
+ set_on_link/1, set_on_first_link/1,
system_monitor_args/1, more_system_monitor_args/1,
system_monitor_long_gc_1/1, system_monitor_long_gc_2/1,
system_monitor_large_heap_1/1, system_monitor_large_heap_2/1,
@@ -54,7 +55,8 @@ all() ->
mutual_suspend, suspend_exit, suspender_exit,
suspend_system_limit, suspend_opts, suspend_waiting,
new_clear, existing_clear, set_on_spawn,
- set_on_first_spawn, system_monitor_args,
+ set_on_first_spawn, set_on_link, set_on_first_link,
+ system_monitor_args,
more_system_monitor_args, system_monitor_long_gc_1,
system_monitor_long_gc_2, system_monitor_large_heap_1,
system_monitor_long_schedule,
@@ -501,6 +503,51 @@ set_on_first_spawn(Config) when is_list(Config) ->
receive_nothing(),
ok.
+%% Tests trace(Pid, How, [set_on_link]).
+
+set_on_link(Config) ->
+ Listener = fun_spawn(fun process/0),
+
+ %% Create and trace a process with the set_on_link flag.
+ %% Make sure it is traced.
+ Father_SOL = fun_spawn(fun process/0),
+ 1 = erlang:trace(Father_SOL, true, [send, set_on_link]),
+ true = is_send_traced(Father_SOL, Listener, sol_father),
+
+ %% Have the process spawn of two children and test that they
+ %% are traced.
+ [Child1, Child2] = spawn_children(Father_SOL, 2),
+ true = is_send_traced(Child1, Listener, child1),
+ true = is_send_traced(Child2, Listener, child2),
+
+ %% Second generation.
+ [Child11, Child12] = spawn_children(Child1, 2),
+ true = is_send_traced(Child11, Listener, child11),
+ true = is_send_traced(Child12, Listener, child12),
+ ok.
+
+%% Tests trace(Pid, How, [set_on_first_spawn]).
+
+set_on_first_link(Config) ->
+ ct:timetrap({seconds, 10}),
+ Listener = fun_spawn(fun process/0),
+
+ %% Create and trace a process with the set_on_first_spawn flag.
+ %% Make sure it is traced.
+ Parent = fun_spawn(fun process/0),
+ 1 = erlang:trace(Parent, true, [send, set_on_first_link]),
+ is_send_traced(Parent, Listener, sol_father),
+
+ %% Have the process spawn off three children and test that the
+ %% first is traced.
+ [Child1, Child2, Child3] = spawn_children(Parent, 3),
+ true = is_send_traced(Child1, Listener, child1),
+ false = is_send_traced(Child2, Listener, child2),
+ false = is_send_traced(Child3, Listener, child3),
+ receive_nothing(),
+ ok.
+
+
%% Tests arguments to erlang:system_monitor/0,1,2
system_monitor_args(Config) when is_list(Config) ->