diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/kernel/test/seq_trace_SUITE.erl | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/lib/kernel/test/seq_trace_SUITE.erl b/lib/kernel/test/seq_trace_SUITE.erl index cf4bf11328..ee8f4e94f8 100644 --- a/lib/kernel/test/seq_trace_SUITE.erl +++ b/lib/kernel/test/seq_trace_SUITE.erl @@ -25,7 +25,8 @@ -export([token_set_get/1, tracer_set_get/1, print/1, send/1, distributed_send/1, recv/1, distributed_recv/1, trace_exit/1, distributed_exit/1, call/1, port/1, - match_set_seq_token/1, gc_seq_token/1, label_capability_mismatch/1]). + match_set_seq_token/1, gc_seq_token/1, label_capability_mismatch/1, + send_literal/1]). %% internal exports -export([simple_tracer/2, one_time_receiver/0, one_time_receiver/1, @@ -44,7 +45,7 @@ suite() -> {timetrap,{minutes,1}}]. all() -> - [token_set_get, tracer_set_get, print, send, + [token_set_get, tracer_set_get, print, send, send_literal, distributed_send, recv, distributed_recv, trace_exit, distributed_exit, call, port, match_set_seq_token, gc_seq_token, label_capability_mismatch]. @@ -158,23 +159,51 @@ do_print(TsType) -> {0,{print,_,_,[],print3}, Ts1}] = stop_tracer(2), check_ts(TsType, Ts0), check_ts(TsType, Ts1). - + send(Config) when is_list(Config) -> lists:foreach(fun do_send/1, ?TIMESTAMP_MODES). do_send(TsType) -> + do_send(TsType, send). + +do_send(TsType, Msg) -> seq_trace:reset_trace(), start_tracer(), Receiver = spawn(?MODULE,one_time_receiver,[]), Label = make_ref(), seq_trace:set_token(label,Label), set_token_flags([send, TsType]), - Receiver ! send, + Receiver ! Msg, Self = self(), seq_trace:reset_trace(), - [{Label,{send,_,Self,Receiver,send}, Ts}] = stop_tracer(1), + [{Label,{send,_,Self,Receiver,Msg}, Ts}] = stop_tracer(1), check_ts(TsType, Ts). +%% This testcase tests that we do not segfault when we have a +%% literal as the message and the message is copied onto the +%% heap during a GC. +send_literal(Config) when is_list(Config) -> + lists:foreach(fun do_send_literal/1, + [atom, make_ref(), ets:new(hej,[]), 1 bsl 64, + "gurka", {tuple,test,with,#{}}, #{}]). + +do_send_literal(Msg) -> + N = 10000, + seq_trace:reset_trace(), + start_tracer(), + Label = make_ref(), + seq_trace:set_token(label,Label), + set_token_flags([send, 'receive', no_timestamp]), + Receiver = spawn_link(fun() -> receive ok -> ok end end), + [Receiver ! Msg || _ <- lists:seq(1, N)], + erlang:garbage_collect(Receiver), + [Receiver ! Msg || _ <- lists:seq(1, N)], + erlang:garbage_collect(Receiver), + Self = self(), + seq_trace:reset_trace(), + [{Label,{send,_,Self,Receiver,Msg}, Ts} | _] = stop_tracer(N), + check_ts(no_timestamp, Ts). + distributed_send(Config) when is_list(Config) -> lists:foreach(fun do_distributed_send/1, ?TIMESTAMP_MODES). |