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-rw-r--r--lib/observer/test/crashdump_helper.erl59
1 files changed, 55 insertions, 4 deletions
diff --git a/lib/observer/test/crashdump_helper.erl b/lib/observer/test/crashdump_helper.erl
index 4239a3d0d1..b5e94a893a 100644
--- a/lib/observer/test/crashdump_helper.erl
+++ b/lib/observer/test/crashdump_helper.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2016. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2017. 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.
@@ -19,8 +19,10 @@
%%
-module(crashdump_helper).
--export([n1_proc/2,remote_proc/2]).
--compile(r13).
+-export([n1_proc/2,remote_proc/2,
+ dump_maps/0,create_maps/0,
+ create_binaries/0,create_sub_binaries/1]).
+-compile(r18).
-include_lib("common_test/include/ct.hrl").
n1_proc(N2,Creator) ->
@@ -44,7 +46,7 @@ n1_proc(Creator,_N2,Pid2,Port2,_L) ->
Ref = make_ref(),
Pid = self(),
Bin = list_to_binary(lists:seq(1, 255)),
- SubBin = element(1, split_binary(element(2, split_binary(Bin, 8)), 17)),
+ <<_:2,SubBin:17/binary,_/bits>> = Bin,
register(named_port,Port),
@@ -60,7 +62,9 @@ n1_proc(Creator,_N2,Pid2,Port2,_L) ->
put(ref,Ref),
put(pid,Pid),
put(bin,Bin),
+ put(bins,create_binaries()),
put(sub_bin,SubBin),
+ put(sub_bins,create_sub_binaries(get(bins))),
put(bignum,83974938738373873),
put(neg_bignum,-38748762783736367),
put(ext_pid,Pid2),
@@ -79,6 +83,7 @@ n1_proc(Creator,_N2,Pid2,Port2,_L) ->
link(OtherPid), % own node
link(Pid2), % external node
erlang:monitor(process,OtherPid),
+ erlang:monitor(process,init), % named process
erlang:monitor(process,Pid2),
code:load_file(?MODULE),
@@ -92,3 +97,49 @@ remote_proc(P1,Creator) ->
Creator ! {self(),done},
receive after infinity -> ok end
end).
+
+create_binaries() ->
+ Sizes = lists:seq(60, 70) ++ lists:seq(120, 140),
+ [begin
+ <<H:16/unit:8>> = erlang:md5(<<Size:32>>),
+ Data = ((H bsl (8*150)) div (H+7919)),
+ <<Data:Size/unit:8>>
+ end || Size <- Sizes].
+
+create_sub_binaries(Bins) ->
+ [create_sub_binary(Bin, Start, LenSub) ||
+ Bin <- Bins,
+ Start <- [0,1,2,3,4,5,10,22],
+ LenSub <- [0,1,2,3,4,6,9]].
+
+create_sub_binary(Bin, Start, LenSub) ->
+ Len = byte_size(Bin) - LenSub - Start,
+ <<_:Start/bytes,Sub:Len/bytes,_/bytes>> = Bin,
+ Sub.
+
+%%%
+%%% Test dumping of maps. Dumping of maps only from OTP 20.2.
+%%%
+
+dump_maps() ->
+ Parent = self(),
+ F = fun() ->
+ register(aaaaaaaa_maps, self()),
+ put(maps, create_maps()),
+ Parent ! {self(),done},
+ receive _ -> ok end
+ end,
+ Pid = spawn_link(F),
+ receive
+ {Pid,done} ->
+ {ok,Pid}
+ end.
+
+create_maps() ->
+ Map0 = maps:from_list([{I,[I,I+1]} || I <- lists:seq(1, 40)]),
+ Map1 = maps:from_list([{I,{a,[I,I*I],{}}} || I <- lists:seq(1, 100)]),
+ Map2 = maps:from_list([{{I},(I*I) bsl 24} || I <- lists:seq(1, 10000)]),
+ Map3 = lists:foldl(fun(I, A) ->
+ A#{I=>I*I}
+ end, Map2, lists:seq(-10, 0)),
+ #{a=>Map0,b=>Map1,c=>Map2,d=>Map3,e=>#{}}.