%% %% %CopyrightBegin% %% %% Copyright Ericsson AB 2003-2014. 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. %% You may obtain a copy of the License at %% %% http://www.apache.org/licenses/LICENSE-2.0 %% %% Unless required by applicable law or agreed to in writing, software %% distributed under the License is distributed on an "AS IS" BASIS, %% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %% See the License for the specific language governing permissions and %% limitations under the License. %% %% %CopyrightEnd% %% -module(crashdump_viewer_SUITE). -include_lib("observer/src/crashdump_viewer.hrl"). %% Test functions -export([all/0, suite/0,groups/0,init_per_group/2,end_per_group/2, start_stop/1,load_file/1,not_found_items/1, non_existing/1,not_a_crashdump/1,old_crashdump/1]). -export([init_per_suite/1, end_per_suite/1]). -export([init_per_testcase/2, end_per_testcase/2]). -include_lib("common_test/include/ct.hrl"). -include("test_server_line.hrl"). -include_lib("kernel/include/file.hrl"). -define(failed_file,"failed-cases.txt"). -define(helper_mod,crashdump_helper). init_per_testcase(start_stop, Config) -> catch crashdump_viewer:stop(), try case os:type() of {unix,darwin} -> exit("Can not test on MacOSX"); {unix, _} -> io:format("DISPLAY ~s~n", [os:getenv("DISPLAY")]), case ct:get_config(xserver, none) of none -> ignore; Server -> os:putenv("DISPLAY", Server) end; _ -> ignore end, wx:new(), wx:destroy(), Config catch _:undef -> {skipped, "No wx compiled for this platform"}; _:Reason -> SkipReason = io_lib:format("Start wx failed: ~p", [Reason]), {skipped, lists:flatten(SkipReason)} end; init_per_testcase(_Case, Config) -> catch crashdump_viewer:stop(), Config. end_per_testcase(Case, Config) -> case ?config(tc_status,Config) of ok -> ok; _Fail -> File = filename:join(?config(data_dir,Config),?failed_file), {ok,Fd}=file:open(File,[append]), file:write(Fd,io_lib:format("~w.~n",[Case])), file:close(Fd) end, ok. suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> [start_stop, non_existing, not_a_crashdump, old_crashdump, load_file, not_found_items ]. groups() -> []. init_per_group(_GroupName, Config) -> Config. end_per_group(_GroupName, Config) -> Config. %% Create a lot of crashdumps which can be used in the testcases below init_per_suite(Config) when is_list(Config) -> delete_saved(Config), DataDir = ?config(data_dir,Config), Rels = [R || R <- [r16b,'17'], ?t:is_release_available(R)] ++ [current], io:format("Creating crash dumps for the following releases: ~p", [Rels]), AllDumps = create_dumps(DataDir,Rels), [{dumps,AllDumps}|Config]. delete_saved(Config) -> DataDir = ?config(data_dir,Config), file:delete(filename:join(DataDir,?failed_file)), SaveDir = filename:join(DataDir,"save"), Dumps = filelib:wildcard(filename:join(SaveDir,"*")), lists:foreach(fun(F) -> file:delete(F) end, Dumps), file:del_dir(SaveDir), ok. start_stop(Config) when is_list(Config) -> Dump = hd(?config(dumps,Config)), timer:sleep(1000), ProcsBefore = processes(), NumProcsBefore = length(ProcsBefore), ok = crashdump_viewer:start(Dump), ExpectedRegistered = [crashdump_viewer_server, cdv_wx, cdv_proc_cb, cdv_proc_cb__holder, cdv_port_cb, cdv_port_cb__holder, cdv_ets_cb, cdv_ets_cb__holder, cdv_timer_cb, cdv_timer_cb__holder, cdv_fun_cb, cdv_fun_cb__holder, cdv_atom_cb, cdv_atom_cb__holder, cdv_dist_cb, cdv_dist_cb__holder, cdv_mod_cb, cdv_mod_cb__holder], Regs=[begin P=whereis(N), {P,N,erlang:monitor(process,P)} end || N <- ExpectedRegistered], ct:log("CDV procs: ~n~p~n",[Regs]), [true=is_pid(P) || {P,_,_} <- Regs], timer:sleep(5000), % give some time to live ok = crashdump_viewer:stop(), recv_downs(Regs), timer:sleep(2000), ProcsAfter = processes(), NumProcsAfter = length(ProcsAfter), if NumProcsAfter=/=NumProcsBefore -> ct:log("Before but not after:~n~p~n", [[{P,process_info(P)} || P <- ProcsBefore -- ProcsAfter]]), ct:log("After but not before:~n~p~n", [[{P,process_info(P)} || P <- ProcsAfter -- ProcsBefore]]), ct:fail("leaking processes"); true -> ok end, ok. recv_downs([]) -> ok; recv_downs(Regs) -> receive {'DOWN',Ref,process,_Pid,_} -> ct:log("Got 'DOWN' for process ~n~p~n",[_Pid]), recv_downs(lists:keydelete(Ref,3,Regs)) after 30000 -> ct:log("Timeout waiting for down:~n~p~n", [[{Reg,process_info(P)} || {P,_,_}=Reg <- Regs]]), ct:log("Message queue:~n~p~n",[process_info(self(),messages)]) end. %% Try to load nonexisting file non_existing(Config) when is_list(Config) -> ExpectedReason = "non-existing-file is not an Erlang crash dump\n", {error, ExpectedReason} = start_backend("non-existing-file"), ok = crashdump_viewer:stop(). %% Try to load a crashdump of old (earlier than OTP R10B) format old_crashdump(Config) when is_list(Config) -> DataDir = ?config(data_dir,Config), OldFile = filename:join(DataDir,"old_format.dump"), ExpectedReason = "The crashdump " ++ OldFile ++ " is in the pre-R10B format, which is no longer supported.\n", {error, ExpectedReason} = start_backend(OldFile), ok = crashdump_viewer:stop(). %% Try to load a file which is not an erlang crashdump not_a_crashdump(Config) when is_list(Config) -> PrivDir = ?config(priv_dir,Config), F1 = filename:join(PrivDir,"f1"), F2 = filename:join(PrivDir,"f2"), file:write_file(F1,"=unexpected_tag:xyz"), file:write_file(F2,""), ExpReason1 = F1 ++ " is not an Erlang crash dump\n", ExpReason2 = F2 ++ " is not an Erlang crash dump\n", {error,ExpReason1} = start_backend(F1), {error,ExpReason2} = start_backend(F2), ok = crashdump_viewer:stop(). %% Load files into the tool and view all pages load_file(Config) when is_list(Config) -> case ?t:is_debug() of true -> {skip,"Debug-compiled emulator -- far too slow"}; false -> load_file_1(Config) end. load_file_1(Config) -> DataDir = ?config(data_dir,Config), crashdump_viewer:start_link(), %% Read both created and predefined dumps AllFiles = filelib:wildcard(filename:join(DataDir,"r*_dump.*")), lists:foreach( fun(File) -> Content = browse_file(File), special(File,Content) end, AllFiles), ok = crashdump_viewer:stop(). %% Try to lookup nonexisting process, port and node not_found_items(Config) -> Dump = hd(?config(dumps,Config)), ok = start_backend(Dump), {ok,#general_info{},_} = crashdump_viewer:general_info(), {error,not_found} = crashdump_viewer:proc_details("<1111.1111.1111>"), {error,not_found} = crashdump_viewer:port("#Port<1111.1111>"), {error,not_found} = crashdump_viewer:node_info("1111"), ok = crashdump_viewer:stop(). %% Remove generated crashdumps end_per_suite(Config) when is_list(Config) -> Dumps = ?config(dumps,Config), DataDir = ?config(data_dir,Config), FailedFile = filename:join(DataDir,?failed_file), case filelib:is_file(FailedFile) of true -> SaveDir = filename:join(DataDir,"save"), file:make_dir(SaveDir), file:copy(FailedFile,filename:join(SaveDir,?failed_file)), lists:foreach( fun(CD) -> File = filename:basename(CD), New = filename:join(SaveDir,File), file:copy(CD,New) end, Dumps); false -> ok end, file:delete(FailedFile), lists:foreach(fun(CD) -> ok = file:delete(CD) end,Dumps), lists:keydelete(dumps,1,Config). %%%----------------------------------------------------------------- %%% Internal %%%----------------------------------------------------------------- %%% Start the crashdump_viewer backend and load a dump start_backend(File) -> crashdump_viewer:start_link(), register_progress_handler(), ok = crashdump_viewer:read_file(File), wait_for_progress_done(). %%%----------------------------------------------------------------- %%% Simulate the progress handler in observer_lib register_progress_handler() -> register(cdv_progress_handler,self()). wait_for_progress_done() -> receive {progress,{error,Reason}} -> unregister(cdv_progress_handler), {error,lists:flatten(Reason)}; {progress,{ok,done}} -> unregister(cdv_progress_handler), ok; {progress,_} -> wait_for_progress_done() end. %%%----------------------------------------------------------------- %%% General check of what is displayed for a dump browse_file(File) -> io:format("~nBrowsing file: ~s",[File]), ok = start_backend(File), io:format(" backend started",[]), {ok,_GI=#general_info{},_GenTW} = crashdump_viewer:general_info(), {ok,Procs,_ProcsTW} = crashdump_viewer:processes(), {ok,Ports,_PortsTW} = crashdump_viewer:ports(), {ok,_Ets,_EtsTW} = crashdump_viewer:ets_tables(all), {ok,_IntEts,_IntEtsTW} = crashdump_viewer:internal_ets_tables(), {ok,_Timers,_TimersTW} = crashdump_viewer:timers(all), {ok,_Funs,_FunsTW} = crashdump_viewer:funs(), {ok,_Atoms,_AtomsTW} = crashdump_viewer:atoms(), {ok,Nodes,_NodesTW} = crashdump_viewer:dist_info(), {ok,Mods,_ModsTW} = crashdump_viewer:loaded_modules(), {ok,_Mem,_MemTW} = crashdump_viewer:memory(), {ok,_AllocAreas,_AreaTW} = crashdump_viewer:allocated_areas(), {ok,_AllocINfo,_AllocInfoTW} = crashdump_viewer:allocator_info(), {ok,_HashTabs,_HashTabsTW} = crashdump_viewer:hash_tables(), {ok,_IndexTabs,_IndexTabsTW} = crashdump_viewer:index_tables(), io:format(" info read",[]), lookat_all_pids(Procs), io:format(" pids ok",[]), lookat_all_ports(Ports), io:format(" ports ok",[]), lookat_all_mods(Mods), io:format(" mods ok",[]), lookat_all_nodes(Nodes), io:format(" nodes ok",[]), Procs. % used as second arg to special/2 special(File,Procs) -> case filename:extension(File) of ".full_dist" -> %% I registered a process as aaaaaaaa in the full_dist dumps %% to make sure it will be the first in the list when sorted %% on names. There are some special data here, so I'll thoroughly %% read the process details for this process. Other processes %% are just briefly traversed. [#proc{pid=Pid0}|_Rest] = lists:keysort(#proc.name,Procs), Pid = pid_to_list(Pid0), {ok,ProcDetails=#proc{},[]} = crashdump_viewer:proc_details(Pid), io:format(" process details ok",[]), #proc{dict=Dict} = ProcDetails, ['#CDVBin',Offset,Size,Pos] = proplists:get_value(bin,Dict), {ok,<<_:Size/binary>>} = crashdump_viewer:expand_binary({Offset,Size,Pos}), {ok,'#CDVTruncatedBinary'} = crashdump_viewer:expand_binary({Offset,Size+1,Pos}), ['#CDVBin',SOffset,SSize,SPos] = proplists:get_value(sub_bin,Dict), {ok,<<_:SSize/binary>>} = crashdump_viewer:expand_binary({SOffset,SSize,SPos}), io:format(" expand binary ok",[]), ['#CDVPid',X1,Y1,Z1] = proplists:get_value(ext_pid,Dict), ChannelStr1 = integer_to_list(X1), ExtPid = "<" ++ ChannelStr1 ++ "." ++ integer_to_list(Y1) ++ "." ++ integer_to_list(Z1) ++ ">", {error,{other_node,ChannelStr1}} = crashdump_viewer:proc_details(ExtPid), io:format(" process details external ok",[]), ['#CDVPort',X2,Y2] = proplists:get_value(port,Dict), ChannelStr2 = integer_to_list(X2), Port = "#Port<"++ChannelStr2++"."++integer_to_list(Y2)++">", {ok,_PortDetails=#port{},[]} = crashdump_viewer:port(Port), io:format(" port details ok",[]), ['#CDVPort',X3,Y3] = proplists:get_value(ext_port,Dict), ChannelStr3 = integer_to_list(X3), ExtPort = "#Port<"++ChannelStr3++"."++integer_to_list(Y3)++">", {error,{other_node,ChannelStr3}} = crashdump_viewer:port(ExtPort), io:format(" port details external ok",[]), {ok,[_Ets=#ets_table{}],[]} = crashdump_viewer:ets_tables(Pid), io:format(" ets tables ok",[]), {ok,[#timer{pid=Pid0,name=undefined}, #timer{pid=Pid0,name="aaaaaaaa"}],[]} = crashdump_viewer:timers(Pid), {ok,AllTimers,_TimersTW} = crashdump_viewer:timers(all), #timer{name="noexistproc"} = lists:keyfind(undefined,#timer.pid,AllTimers), io:format(" timers ok:",[]), {ok,Mod1=#loaded_mod{},[]} = crashdump_viewer:loaded_mod_details(atom_to_list(?helper_mod)), io:format(" modules ok",[]), #loaded_mod{current_size=CS, old_size=OS, old_attrib=A,old_comp_info=C}=Mod1, true = is_integer(CS), true = (CS==OS), true = (A=/=undefined), true = (C=/=undefined), {ok,Mod2=#loaded_mod{},[]} = crashdump_viewer:loaded_mod_details("application"), io:format(" module details ok",[]), #loaded_mod{old_size="No old code exists", old_attrib=undefined, old_comp_info=undefined}=Mod2, ok; %% ".strangemodname" -> %% {ok,Mods,[]} = crashdump_viewer:loaded_modules(), %% lookat_all_mods(Mods), %% ok; %% ".sort" -> %% %% sort ports, atoms and modules ???? %% ok; %% ".trunc" -> %% %% ???? %% ok; _ -> ok end, ok. lookat_all_pids([]) -> ok; lookat_all_pids([#proc{pid=Pid0}|Procs]) -> Pid = pid_to_list(Pid0), {ok,_ProcDetails=#proc{},_ProcTW} = crashdump_viewer:proc_details(Pid), {ok,_Ets,_EtsTW} = crashdump_viewer:ets_tables(Pid), {ok,_Timers,_TimersTW} = crashdump_viewer:timers(Pid), lookat_all_pids(Procs). lookat_all_ports([]) -> ok; lookat_all_ports([#port{id=Port0}|Procs]) -> Port = cdv_port_cb:format(Port0), {ok,_PortDetails=#port{},_PortTW} = crashdump_viewer:port(Port), lookat_all_ports(Procs). lookat_all_mods([]) -> ok; lookat_all_mods([#loaded_mod{mod=ModId}|Mods]) -> ModName = cdv_mod_cb:format(ModId), {ok,_Mod=#loaded_mod{},_ModTW} = crashdump_viewer:loaded_mod_details(ModName), lookat_all_mods(Mods). lookat_all_nodes([]) -> ok; lookat_all_nodes([#nod{channel=Channel0}|Nodes]) -> Channel = integer_to_list(Channel0), {ok,_Node=#nod{},_NodeTW} = crashdump_viewer:node_info(Channel), lookat_all_nodes(Nodes). %%%----------------------------------------------------------------- %%% create_dumps(DataDir,Rels) -> create_dumps(DataDir,Rels,[]). create_dumps(DataDir,[Rel|Rels],Acc) -> Fun = fun() -> do_create_dumps(DataDir,Rel) end, Pa = filename:dirname(code:which(?MODULE)), {Dumps,DosDump} = ?t:run_on_shielded_node(Fun, compat_rel(Rel) ++ "-pa \"" ++ Pa ++ "\""), create_dumps(DataDir,Rels,Dumps ++ Acc ++ DosDump); create_dumps(_DataDir,[],Acc) -> Acc. do_create_dumps(DataDir,Rel) -> CD1 = full_dist_dump(DataDir,Rel), CD2 = dump_with_args(DataDir,Rel,"port_is_unix_fd","-oldshell"), DosDump = case os:type() of {unix,sunos} -> dos_dump(DataDir,Rel,CD1); _ -> [] end, case Rel of current -> CD3 = dump_with_args(DataDir,Rel,"instr","+Mim true"), CD4 = dump_with_strange_module_name(DataDir,Rel,"strangemodname"), {[CD1,CD2,CD3,CD4], DosDump}; _ -> {[CD1,CD2], DosDump} end. %% Create a dump which has three visible nodes, one hidden and one %% not connected node, and with monitors and links between nodes. %% One of the visible nodes is stopped and started again in order to %% get multiple creations. full_dist_dump(DataDir,Rel) -> Opt = rel_opt(Rel), Pz = "-pz \"" ++ filename:dirname(code:which(?MODULE)) ++ "\"", PzOpt = [{args,Pz}], {ok,N1} = ?t:start_node(n1,peer,Opt ++ PzOpt), {ok,N2} = ?t:start_node(n2,peer,Opt ++ PzOpt), {ok,N3} = ?t:start_node(n3,peer,Opt ++ PzOpt), {ok,N4} = ?t:start_node(n4,peer,Opt ++ [{args,"-hidden " ++ Pz}]), Creator = self(), P1 = rpc:call(N1,?helper_mod,n1_proc,[N2,Creator]), P2 = rpc:call(N2,?helper_mod,remote_proc,[P1,Creator]), P3 = rpc:call(N3,?helper_mod,remote_proc,[P1,Creator]), P4 = rpc:call(N4,?helper_mod,remote_proc,[P1,Creator]), get_response(P2), get_response(P3), get_response(P4), get_response(P1), %% start, stop and start a node in order to get multiple 'creations' {ok,N5} = ?t:start_node(n5,peer,Opt ++ PzOpt), P51 = rpc:call(N5,?helper_mod,remote_proc,[P1,Creator]), get_response(P51), ?t:stop_node(N5), {ok,N5} = ?t:start_node(n5,peer,Opt ++ PzOpt), P52 = rpc:call(N5,?helper_mod,remote_proc,[P1,Creator]), get_response(P52), {aaaaaaaa,N1} ! {hello,from,other,node}, % distribution message ?t:stop_node(N3), DumpName = "full_dist", CD = dump(N1,DataDir,Rel,DumpName), ?t:stop_node(N2), ?t:stop_node(N4), ?t:stop_node(N5), CD. get_response(P) -> receive {P,done} -> ok after 3000 -> ?t:fail({get_response_timeout,P,node(P)}) end. dump_with_args(DataDir,Rel,DumpName,Args) -> RelOpt = rel_opt(Rel), Opt = RelOpt ++ [{args,Args}], {ok,N1} = ?t:start_node(n1,peer,Opt), CD = dump(N1,DataDir,Rel,DumpName), ?t:stop_node(n1), CD. %% This dump is added to test OTP-10090 - regarding URL encoding of %% module names in the module detail link. dump_with_strange_module_name(DataDir,Rel,DumpName) -> Opt = rel_opt(Rel), {ok,N1} = ?t:start_node(n1,peer,Opt), Mod = '', File = atom_to_list(Mod) ++ ".erl", Forms = [{attribute,1,file,{File,1}}, {attribute,1,module,Mod}, {eof,4}], {ok,Mod,Bin} = rpc:call(N1,compile,forms,[Forms,[binary]]), {module,Mod} = rpc:call(N1,code,load_binary,[Mod,File,Bin]), CD = dump(N1,DataDir,Rel,DumpName), ?t:stop_node(n1), CD. dump(Node,DataDir,Rel,DumpName) -> Crashdump = filename:join(DataDir, dump_prefix(Rel)++DumpName), rpc:call(Node,os,putenv,["ERL_CRASH_DUMP",Crashdump]), rpc:call(Node,erlang,halt,[DumpName]), ok = check_complete(Crashdump), Crashdump. check_complete(File) -> check_complete1(File,10). check_complete1(_File,0) -> {error,enoent}; check_complete1(File,N) -> case file:read_file_info(File) of {error,enoent} -> timer:sleep(500), check_complete1(File,N-1); {ok,#file_info{size=Size}} -> check_complete2(File,Size) end. check_complete2(File,Size) -> timer:sleep(500), case file:read_file_info(File) of {ok,#file_info{size=Size}} -> ok; {ok,#file_info{size=OtherSize}} -> check_complete2(File,OtherSize) end. dos_dump(DataDir,Rel,Dump) -> DosDumpName = filename:join(DataDir,dump_prefix(Rel)++"dos"), Cmd = "unix2dos " ++ Dump ++ " > " ++ DosDumpName, Port = open_port({spawn,Cmd},[exit_status]), receive {Port,{exit_status,0}} -> [DosDumpName]; {Port,{exit_status,_Error}} -> ?t:comment("Couldn't run \'unix2dos\'"), [] end. rel_opt(Rel) -> case Rel of r16b -> [{erl,[{release,"r16b_latest"}]}]; '17' -> [{erl,[{release,"17_latest"}]}]; current -> [] end. dump_prefix(Rel) -> case Rel of r16b -> "r16b_dump."; '17' -> "r17_dump."; current -> "r18_dump." end. compat_rel(Rel) -> case Rel of r16b -> "+R16 "; '17' -> "+R17 "; current -> "" end.