diff options
Diffstat (limited to 'lib/kernel/test/seq_trace_SUITE.erl')
| -rw-r--r-- | lib/kernel/test/seq_trace_SUITE.erl | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/lib/kernel/test/seq_trace_SUITE.erl b/lib/kernel/test/seq_trace_SUITE.erl index ee8f4e94f8..07a46ac51e 100644 --- a/lib/kernel/test/seq_trace_SUITE.erl +++ b/lib/kernel/test/seq_trace_SUITE.erl @@ -23,6 +23,7 @@ init_per_group/2,end_per_group/2, init_per_testcase/2,end_per_testcase/2]). -export([token_set_get/1, tracer_set_get/1, print/1, + old_heap_token/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, @@ -47,6 +48,7 @@ suite() -> all() -> [token_set_get, tracer_set_get, print, send, send_literal, distributed_send, recv, distributed_recv, trace_exit, + old_heap_token, distributed_exit, call, port, match_set_seq_token, gc_seq_token, label_capability_mismatch]. @@ -146,17 +148,19 @@ tracer_set_get(Config) when is_list(Config) -> ok. print(Config) when is_list(Config) -> - lists:foreach(fun do_print/1, ?TIMESTAMP_MODES). + [do_print(TsType, Label) || TsType <- ?TIMESTAMP_MODES, + Label <- [17, "label"]]. -do_print(TsType) -> +do_print(TsType, Label) -> start_tracer(), + seq_trace:set_token(label, Label), set_token_flags([print, TsType]), - seq_trace:print(0,print1), + seq_trace:print(Label,print1), seq_trace:print(1,print2), seq_trace:print(print3), seq_trace:reset_trace(), - [{0,{print,_,_,[],print1}, Ts0}, - {0,{print,_,_,[],print3}, Ts1}] = stop_tracer(2), + [{Label,{print,_,_,[],print1}, Ts0}, + {Label,{print,_,_,[],print3}, Ts1}] = stop_tracer(2), check_ts(TsType, Ts0), check_ts(TsType, Ts1). @@ -560,6 +564,24 @@ get_port_message(Port) -> end. +%% OTP-15849 ERL-700 +%% Verify changing label on existing token when it resides on old heap. +%% Bug caused faulty ref from old to new heap. +old_heap_token(Config) when is_list(Config) -> + seq_trace:set_token(label, 1), + erlang:garbage_collect(self(), [{type, minor}]), + erlang:garbage_collect(self(), [{type, minor}]), + %% Now token tuple should be on old-heap. + %% Set a new non-literal label which should reside on new-heap. + NewLabel = {self(), "new label"}, + 1 = seq_trace:set_token(label, NewLabel), + + %% If bug, we now have a ref from old to new heap. Yet another minor gc + %% will make that a ref to deallocated memory. + erlang:garbage_collect(self(), [{type, minor}]), + {label,NewLabel} = seq_trace:get_token(label), + ok. + match_set_seq_token(doc) -> ["Tests that match spec function set_seq_token does not " |