From d89da98527e1a0855fef06cd27839416dfb6efd1 Mon Sep 17 00:00:00 2001
From: Lukas Larsson <lukas.larsson@erlang-solutions.com>
Date: Mon, 22 Feb 2016 14:27:06 +0100
Subject: erts: Remove fake schedule testcase
Tracing to port in non-smp now creates port tasks
instead of calling directly to the port to fake
schedule events don't exist any more.
---
erts/emulator/test/trace_port_SUITE.erl | 165 +-------------------------------
1 file changed, 1 insertion(+), 164 deletions(-)
(limited to 'erts')
diff --git a/erts/emulator/test/trace_port_SUITE.erl b/erts/emulator/test/trace_port_SUITE.erl
index 838b5093f4..1068c1d22d 100644
--- a/erts/emulator/test/trace_port_SUITE.erl
+++ b/erts/emulator/test/trace_port_SUITE.erl
@@ -28,10 +28,6 @@
receive_trace/1,
process_events/1,
schedule/1,
- fake_schedule/1,
- fake_schedule_after_register/1,
- fake_schedule_after_getting_linked/1,
- fake_schedule_after_getting_unlinked/1,
gc/1,
default_tracer/1,
tracer_port_crash/1]).
@@ -44,10 +40,7 @@ suite() ->
all() ->
[call_trace, return_trace, send, receive_trace,
- process_events, schedule, fake_schedule,
- fake_schedule_after_register,
- fake_schedule_after_getting_linked,
- fake_schedule_after_getting_unlinked, gc,
+ process_events, schedule, gc,
default_tracer, tracer_port_crash].
%% Test sending call trace messages to a port.
@@ -234,162 +227,6 @@ schedule(Config) when is_list(Config) ->
ok.
-run_fake_sched_test(Fun, Config) when is_function(Fun), is_list(Config) ->
- case catch erlang:system_info(smp_support) of
- true ->
- {skipped,
- "No need for faked schedule out/in trace messages "
- "when smp support is enabled"};
- _ ->
- Fun(Config)
- end.
-
-%% Tests time compensating fake out/in scheduling.
-fake_schedule(Config) when is_list(Config) ->
- run_fake_sched_test(fun fake_schedule_test/1, Config).
-
-fake_schedule_test(Config) when is_list(Config) ->
- Tracer = start_tracer(Config),
- Port = get(tracer_port),
- General = fun_spawn(fun general/0),
- %%
- trac(General, true, [send, running]),
- %%
- %% Test that fake out/in scheduling is not generated unless
- %% both 'running' and 'timestamp' is active.
- [] = erlang:port_control(Port, $h, []),
- General ! nop,
- expect({trace, General, in, {?MODULE, general, 0}}),
- expect({trace, General, out, {?MODULE, general, 0}}),
- expect(),
- %%
- trac(General, false, [running]),
- trac(General, true, [timestamp]),
- %%
- Ref1 = make_ref(),
- Msg1 = {Port, {data, term_to_binary(Ref1)}},
- [] = erlang:port_control(Port, $h, []),
- General ! {send, Tracer, Msg1},
- expect({trace_ts, General, send, Msg1, Tracer, ts}),
- expect(Ref1),
- expect(),
- %%
- trac(General, true, [running]),
- %%
- %% Test that fake out/in scheduling can be generated by the driver
- Ref2 = make_ref(),
- Msg2 = {Port, {data, term_to_binary(Ref2)}},
- [] = erlang:port_control(Port, $h, []),
- General ! {send, Tracer, Msg2},
- {_,_,_,_,Ts} =
- expect({trace_ts, General, in, {?MODULE, general, 0}, ts}),
- expect({trace_ts, General, out, 0, Ts}),
- expect({trace_ts, General, in, 0, ts}),
- expect({trace_ts, General, send, Msg2, Tracer, ts}),
- expect(Ref2),
- expect({trace_ts, General, out, {?MODULE, general, 0}, ts}),
- expect(),
- %%
- %% Test that fake out/in scheduling is not generated after an
- %% 'out' scheduling event
- Ref3 = make_ref(),
- Msg3 = {Port, {data, term_to_binary(Ref3)}},
- General ! {apply, {erlang, port_control, [Port, $h, []]}},
- expect({trace_ts, General, in, {?MODULE, general, 0}, ts}),
- expect({trace_ts, General, out, {?MODULE, general, 0}, ts}),
- General ! {send, Tracer, Msg3},
- expect({trace_ts, General, in, {?MODULE, general, 0}, ts}),
- expect({trace_ts, General, send, Msg3, Tracer, ts}),
- expect(Ref3),
- expect({trace_ts, General, out, {?MODULE, general, 0}, ts}),
- expect(),
- %%
- ok.
-
-%% Tests fake out/in scheduling contents.
-fake_schedule_after_register(Config) when is_list(Config) ->
- run_fake_sched_test(fun fake_schedule_after_register_test/1, Config).
-
-fake_schedule_after_register_test(Config) when is_list(Config) ->
- start_tracer(Config),
- Port = get(tracer_port),
- G1 = fun_spawn(fun general/0),
- G2 = fun_spawn(fun general/0),
- %%
- trac(G1, true, [running, timestamp, procs]),
- trac(G2, true, [running, timestamp]),
- %%
- %% Test fake out/in scheduling after certain messages
- erlang:yield(),
- G2 ! {apply, {erlang, port_control, [Port, $h, []]}},
- G2 ! {apply, {erlang, register, [fake_schedule_after_register, G1]}},
- expect({trace_ts, G2, in, {?MODULE, general, 0}, ts}),
- {_,_,_,_,Ts} =
- expect({trace_ts, G1, register, fake_schedule_after_register, ts}),
- expect({trace_ts, G2, out, 0, Ts}),
- expect({trace_ts, G2, in, 0, ts}),
- expect({trace_ts, G2, out, {?MODULE, general, 0}, ts}),
- expect(),
- %%
- ok.
-
-%% Tests fake out/in scheduling contents.
-fake_schedule_after_getting_linked(Config) when is_list(Config) ->
- run_fake_sched_test(fun fake_schedule_after_getting_linked_test/1,
- Config).
-
-fake_schedule_after_getting_linked_test(Config) when is_list(Config) ->
- start_tracer(Config),
- Port = get(tracer_port),
- G1 = fun_spawn(fun general/0),
- G2 = fun_spawn(fun general/0),
- %%
- trac(G1, true, [running, timestamp, procs]),
- trac(G2, true, [running, timestamp]),
- %%
- %% Test fake out/in scheduling after certain messages
- erlang:yield(),
- G2 ! {apply, {erlang, port_control, [Port, $h, []]}},
- G2 ! {apply, {erlang, link, [G1]}},
- expect({trace_ts, G2, in, {?MODULE, general, 0}, ts}),
- {_,_,_,_,Ts} =
- expect({trace_ts, G1, getting_linked, G2, ts}),
- expect({trace_ts, G2, out, 0, Ts}),
- expect({trace_ts, G2, in, 0, ts}),
- expect({trace_ts, G2, out, {?MODULE, general, 0}, ts}),
- expect(),
- %%
- ok.
-
-%% Tests fake out/in scheduling contents.
-fake_schedule_after_getting_unlinked(Config) when is_list(Config) ->
- run_fake_sched_test(fun fake_schedule_after_getting_unlinked_test/1,
- Config).
-
-fake_schedule_after_getting_unlinked_test(Config) when is_list(Config) ->
- start_tracer(Config),
- Port = get(tracer_port),
- G1 = fun_spawn(fun general/0),
- G2 = fun_spawn(fun general/0),
- %%
- trac(G1, true, [running, procs]),
- trac(G2, true, [running, timestamp]),
- %%
- %% Test fake out/in scheduling after certain messages
- erlang:yield(),
- G2 ! {apply, {erlang, link, [G1]}},
- G2 ! {apply, {erlang, port_control, [Port, $h, []]}},
- G2 ! {apply, {erlang, unlink, [G1]}},
- expect({trace_ts, G2, in, {?MODULE, general, 0}, ts}),
- expect({trace, G1, getting_linked, G2}),
- expect({trace, G1, getting_unlinked, G2}),
- expect({trace_ts, G2, out, 0, ts}),
- expect({trace_ts, G2, in, 0, ts}),
- expect({trace_ts, G2, out, {?MODULE, general, 0}, ts}),
- expect(),
- %%
- ok.
-
%% Test sending garbage collection events to a port.
gc(Config) when is_list(Config) ->
start_tracer(Config),
--
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