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-rw-r--r--erts/emulator/test/trace_SUITE.erl153
1 files changed, 76 insertions, 77 deletions
diff --git a/erts/emulator/test/trace_SUITE.erl b/erts/emulator/test/trace_SUITE.erl
index a81aa64057..138aefb29c 100644
--- a/erts/emulator/test/trace_SUITE.erl
+++ b/erts/emulator/test/trace_SUITE.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. 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.
@@ -29,7 +29,7 @@
receive_trace/1, link_receive_call_correlation/1, self_send/1,
timeout_trace/1, send_trace/1,
procs_trace/1, dist_procs_trace/1, procs_new_trace/1,
- suspend/1, mutual_suspend/1, suspend_exit/1, suspender_exit/1,
+ suspend/1, suspend_exit/1, suspender_exit/1,
suspend_system_limit/1, suspend_opts/1, suspend_waiting/1,
new_clear/1, existing_clear/1, tracer_die/1,
set_on_spawn/1, set_on_first_spawn/1, cpu_timestamp/1,
@@ -53,7 +53,7 @@ all() ->
[cpu_timestamp, receive_trace, link_receive_call_correlation,
self_send, timeout_trace,
send_trace, procs_trace, dist_procs_trace, suspend,
- mutual_suspend, suspend_exit, suspender_exit,
+ suspend_exit, suspender_exit,
suspend_system_limit, suspend_opts, suspend_waiting,
new_clear, existing_clear, tracer_die, set_on_spawn,
set_on_first_spawn, set_on_link, set_on_first_link,
@@ -235,7 +235,7 @@ link_receive_call_correlation(Config) when is_list(Config) ->
1 = erlang:trace(Receiver, true, ['receive', procs, call, timestamp, scheduler_id]),
1 = erlang:trace_pattern({?MODULE, receive_msg, '_'}, [], [local]),
- Num = 100000,
+ Num = 100,
(fun F(0) -> [];
F(N) ->
@@ -255,7 +255,7 @@ link_receive_call_correlation(Config) when is_list(Config) ->
Msgs = (fun F() -> receive M -> [M | F()] after 1 -> [] end end)(),
- case check_consistent(Receiver, Num, Num, Num, Msgs) of
+ case check_consistent(Receiver, Num, Num, Num, Msgs, false, undefined) of
ok ->
ok;
{error, Reason} ->
@@ -265,20 +265,63 @@ link_receive_call_correlation(Config) when is_list(Config) ->
-define(schedid, , _).
-check_consistent(_Pid, Recv, Call, _LU, [Msg | _]) when Recv > Call ->
+check_consistent(_Pid, Recv, Call, _LU, [Msg | _], _Received, _LinkedN) when Recv > Call ->
{error, Msg};
-check_consistent(Pid, Recv, Call, LU, [Msg | Msgs]) ->
+check_consistent(Pid, Recv, Call, LU, [Msg | Msgs], false, undefined) ->
case Msg of
{trace, Pid, 'receive', Recv ?schedid} ->
- check_consistent(Pid,Recv - 1, Call, LU, Msgs);
+ check_consistent(Pid,Recv - 1, Call, LU, Msgs, true, undefined);
{trace_ts, Pid, 'receive', Recv ?schedid, _} ->
- check_consistent(Pid,Recv - 1, Call, LU, Msgs);
+ check_consistent(Pid,Recv - 1, Call, LU, Msgs, true, undefined);
{trace, Pid, call, {?MODULE, receive_msg, [Call]} ?schedid} ->
- check_consistent(Pid,Recv, Call - 1, LU, Msgs);
+ check_consistent(Pid,Recv, Call - 1, LU, Msgs, false, undefined);
{trace_ts, Pid, call, {?MODULE, receive_msg, [Call]} ?schedid, _} ->
- check_consistent(Pid,Recv, Call - 1, LU, Msgs);
+ check_consistent(Pid,Recv, Call - 1, LU, Msgs, false, undefined);
+
+ {trace, Pid, _, _Self ?schedid} ->
+ check_consistent(Pid, Recv, Call, LU, Msgs, false, undefined);
+ {trace_ts, Pid, _, _Self ?schedid, _} ->
+ check_consistent(Pid, Recv, Call, LU, Msgs, false, undefined);
+
+ Msg ->
+ {error, Msg}
+ end;
+check_consistent(Pid, Recv, Call, LU, [Msg | Msgs], true, undefined) ->
+
+ case Msg of
+ {trace, Pid, call, {?MODULE, receive_msg, [Call]} ?schedid} ->
+ check_consistent(Pid,Recv, Call - 1, LU, Msgs, true, undefined);
+ {trace_ts, Pid, call, {?MODULE, receive_msg, [Call]} ?schedid, _} ->
+ check_consistent(Pid,Recv, Call - 1, LU, Msgs, true, undefined);
+
+ {trace, Pid, getting_linked, _Self ?schedid} ->
+ check_consistent(Pid, Recv, Call, LU - 1, Msgs, true, Recv rem 2);
+ {trace_ts, Pid, getting_linked, _Self ?schedid, _} ->
+ check_consistent(Pid, Recv, Call, LU - 1, Msgs, true, Recv rem 2);
+
+ {trace, Pid, getting_unlinked, _Self ?schedid} ->
+ check_consistent(Pid, Recv, Call, LU - 1, Msgs, true, (Recv+1) rem 2);
+ {trace_ts, Pid, getting_unlinked, _Self ?schedid, _} ->
+ check_consistent(Pid, Recv, Call, LU - 1, Msgs, true, (Recv+1) rem 2);
+
+ Msg ->
+ {error, Msg}
+ end;
+check_consistent(Pid, Recv, Call, LU, [Msg | Msgs], true, LinkedN) ->
+ UnlinkedN = (LinkedN + 1) rem 2,
+
+ case Msg of
+ {trace, Pid, 'receive', Recv ?schedid} when Recv == LU ->
+ check_consistent(Pid,Recv - 1, Call, LU, Msgs, true, LinkedN);
+ {trace_ts, Pid, 'receive', Recv ?schedid, _} when Recv == LU ->
+ check_consistent(Pid,Recv - 1, Call, LU, Msgs, true, LinkedN);
+
+ {trace, Pid, call, {?MODULE, receive_msg, [Call]} ?schedid} ->
+ check_consistent(Pid,Recv, Call - 1, LU, Msgs, true, LinkedN);
+ {trace_ts, Pid, call, {?MODULE, receive_msg, [Call]} ?schedid, _} ->
+ check_consistent(Pid,Recv, Call - 1, LU, Msgs, true, LinkedN);
%% We check that for each receive we have gotten a
%% getting_linked or getting_unlinked message. Also
@@ -286,38 +329,38 @@ check_consistent(Pid, Recv, Call, LU, [Msg | Msgs]) ->
%% message we expect to receive is an even number
%% and odd number for getting_unlinked.
{trace, Pid, getting_linked, _Self ?schedid}
- when Recv rem 2 == 0, Recv == LU ->
- check_consistent(Pid, Recv, Call, LU - 1, Msgs);
+ when Recv rem 2 == LinkedN ->
+ check_consistent(Pid, Recv, Call, LU - 1, Msgs, true, LinkedN);
{trace_ts, Pid, getting_linked, _Self ?schedid, _}
- when Recv rem 2 == 0, Recv == LU ->
- check_consistent(Pid, Recv, Call, LU - 1, Msgs);
+ when Recv rem 2 == LinkedN ->
+ check_consistent(Pid, Recv, Call, LU - 1, Msgs, true, LinkedN);
{trace, Pid, getting_unlinked, _Self ?schedid}
- when Recv rem 2 == 1, Recv == LU ->
- check_consistent(Pid, Recv, Call, LU - 1, Msgs);
+ when Recv rem 2 == UnlinkedN ->
+ check_consistent(Pid, Recv, Call, LU - 1, Msgs, true, LinkedN);
{trace_ts, Pid, getting_unlinked, _Self ?schedid, _}
- when Recv rem 2 == 1, Recv == LU ->
- check_consistent(Pid, Recv, Call, LU - 1, Msgs);
+ when Recv rem 2 == UnlinkedN ->
+ check_consistent(Pid, Recv, Call, LU - 1, Msgs, true, LinkedN);
{trace,Pid,'receive',Ignore ?schedid}
when Ignore == stop; Ignore == timeout ->
- check_consistent(Pid, Recv, Call, LU, Msgs);
+ check_consistent(Pid, Recv, Call, LU, Msgs, true, LinkedN);
{trace_ts,Pid,'receive',Ignore ?schedid,_}
when Ignore == stop; Ignore == timeout ->
- check_consistent(Pid, Recv, Call, LU, Msgs);
+ check_consistent(Pid, Recv, Call, LU, Msgs, true, LinkedN);
{trace, Pid, exit, normal ?schedid} ->
- check_consistent(Pid, Recv, Call, LU, Msgs);
+ check_consistent(Pid, Recv, Call, LU, Msgs, true, LinkedN);
{trace_ts, Pid, exit, normal ?schedid, _} ->
- check_consistent(Pid, Recv, Call, LU, Msgs);
+ check_consistent(Pid, Recv, Call, LU, Msgs, true, LinkedN);
{'EXIT', Pid, normal} ->
- check_consistent(Pid, Recv, Call, LU, Msgs);
+ check_consistent(Pid, Recv, Call, LU, Msgs, true, LinkedN);
Msg ->
{error, Msg}
end;
-check_consistent(_, 0, 0, 0, []) ->
+check_consistent(_, 0, 0, 1, [], true, _) ->
ok;
-check_consistent(_, Recv, Call, LU, []) ->
+check_consistent(_, Recv, Call, LU, [], _, _) ->
{error,{Recv, Call, LU}}.
receive_msg(M) ->
@@ -1191,55 +1234,6 @@ do_suspend(Pid, N) ->
erlang:yield(),
do_suspend(Pid, N-1).
-
-
-mutual_suspend(Config) when is_list(Config) ->
- TimeoutSecs = 5*60,
- ct:timetrap({seconds, TimeoutSecs}),
- Parent = self(),
- Fun = fun () ->
- receive
- {go, Pid} ->
- do_mutual_suspend(Pid, 100000)
- end,
- Parent ! {done, self()},
- receive after infinity -> ok end
- end,
- P1 = spawn_link(Fun),
- P2 = spawn_link(Fun),
- T1 = erlang:start_timer((TimeoutSecs - 5)*1000, self(), oops),
- T2 = erlang:start_timer((TimeoutSecs - 5)*1000, self(), oops),
- P1 ! {go, P2},
- P2 ! {go, P1},
- Res1 = receive
- {done, P1} -> done;
- {timeout,T1,_} -> timeout
- end,
- Res2 = receive
- {done, P2} -> done;
- {timeout,T2,_} -> timeout
- end,
- P1S = process_info(P1, status),
- P2S = process_info(P2, status),
- io:format("P1S=~p P2S=~p", [P1S, P2S]),
- false = {status, suspended} == P1S,
- false = {status, suspended} == P2S,
- unlink(P1), exit(P1, bang),
- unlink(P2), exit(P2, bang),
- done = Res1,
- done = Res2,
- ok.
-
-do_mutual_suspend(_Pid, 0) ->
- ok;
-do_mutual_suspend(Pid, N) ->
- %% Suspend a process and test that it is suspended.
- true = erlang:suspend_process(Pid),
- {status, suspended} = process_info(Pid, status),
- %% Unsuspend the process.
- true = erlang:resume_process(Pid),
- do_mutual_suspend(Pid, N-1).
-
suspend_exit(Config) when is_list(Config) ->
ct:timetrap({minutes, 2}),
rand:seed(exsplus, {4711,17,4711}),
@@ -1470,7 +1464,8 @@ suspend_opts(Config) when is_list(Config) ->
dbl_async = AA,
synced = S,
async_once = AO} = Acc) ->
- erlang:suspend_process(Tok, [asynchronous]),
+ Tag = {make_ref(), self()},
+ erlang:suspend_process(Tok, [{asynchronous, Tag}]),
Res = case {suspend_count(Tok), N rem 4} of
{0, 2} ->
erlang:suspend_process(Tok,
@@ -1506,7 +1501,11 @@ suspend_opts(Config) when is_list(Config) ->
_ ->
Acc
end,
- erlang:resume_process(Tok),
+ receive
+ {Tag, Result} ->
+ suspended = Result,
+ erlang:resume_process(Tok)
+ end,
erlang:yield(),
Res
end,