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-rw-r--r--lib/observer/test/crashdump_viewer_SUITE.erl99
1 files changed, 83 insertions, 16 deletions
diff --git a/lib/observer/test/crashdump_viewer_SUITE.erl b/lib/observer/test/crashdump_viewer_SUITE.erl
index 86a60e15f4..29b9e406ae 100644
--- a/lib/observer/test/crashdump_viewer_SUITE.erl
+++ b/lib/observer/test/crashdump_viewer_SUITE.erl
@@ -25,7 +25,7 @@
%% 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]).
+ non_existing/1,not_a_crashdump/1,old_crashdump/1,new_crashdump/1]).
-export([init_per_suite/1, end_per_suite/1]).
-export([init_per_testcase/2, end_per_testcase/2]).
@@ -83,6 +83,7 @@ all() ->
non_existing,
not_a_crashdump,
old_crashdump,
+ new_crashdump,
load_file,
not_found_items
].
@@ -212,6 +213,25 @@ not_a_crashdump(Config) when is_list(Config) ->
ok = crashdump_viewer:stop().
+%% Try to load a file with newer version than this crashdump viewer can handle
+new_crashdump(Config) ->
+ Dump = hd(?config(dumps,Config)),
+ ok = start_backend(Dump),
+ {ok,{MaxVsn,CurrentVsn}} = crashdump_viewer:get_dump_versions(),
+ if MaxVsn =/= CurrentVsn ->
+ ct:fail("Current dump version is not equal to cdv's max version");
+ true ->
+ ok
+ end,
+ ok = crashdump_viewer:stop(),
+ NewerVsn = lists:join($.,[integer_to_list(X+1) || X <- MaxVsn]),
+ PrivDir = ?config(priv_dir,Config),
+ NewDump = filename:join(PrivDir,"new_erl_crash.dump"),
+ ok = file:write_file(NewDump,"=erl_crash_dump:"++NewerVsn++"\n"),
+ {error, Reason} = start_backend(NewDump),
+ "This Crashdump Viewer is too old" ++_ = Reason,
+ 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
@@ -328,7 +348,7 @@ browse_file(File) ->
io:format(" info read",[]),
- lookat_all_pids(Procs),
+ lookat_all_pids(Procs,is_truncated(File),incomplete_allowed(File)),
io:format(" pids ok",[]),
lookat_all_ports(Ports),
io:format(" ports ok",[]),
@@ -339,6 +359,21 @@ browse_file(File) ->
Procs. % used as second arg to special/2
+is_truncated(File) ->
+ case filename:extension(File) of
+ ".trunc"++_ ->
+ true;
+ _ ->
+ false
+ end.
+
+incomplete_allowed(File) ->
+ %% Incomplete heap is allowed for native libs, since some literals
+ %% are not dumped - and for pre OTP-20 (really pre 20.2) releases,
+ %% since literals were not dumped at all then.
+ Rel = get_rel_from_dump_name(File),
+ Rel < 20 orelse test_server:is_native(lists).
+
special(File,Procs) ->
case filename:extension(File) of
".full_dist" ->
@@ -528,7 +563,7 @@ special(File,Procs) ->
io:format(" process details ok",[]),
#proc{dict=Dict} = ProcDetails,
- io:format("~p\n", [Dict]),
+ %% io:format("~p\n", [Dict]),
Maps = crashdump_helper:create_maps(),
Maps = proplists:get_value(maps,Dict),
io:format(" maps ok",[]),
@@ -548,14 +583,25 @@ verify_binaries([Bin|T1], [['#CDVBin',Offset,Size,Pos]|T2]) ->
verify_binaries([], []) ->
ok.
-lookat_all_pids([]) ->
+lookat_all_pids([],_,_) ->
ok;
-lookat_all_pids([#proc{pid=Pid0}|Procs]) ->
+lookat_all_pids([#proc{pid=Pid0}|Procs],TruncAllowed,IncompAllowed) ->
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).
+ {ok,_ProcDetails=#proc{},ProcTW} = crashdump_viewer:proc_details(Pid),
+ {ok,_Ets,EtsTW} = crashdump_viewer:ets_tables(Pid),
+ {ok,_Timers,TimersTW} = crashdump_viewer:timers(Pid),
+ case {ProcTW,EtsTW,TimersTW} of
+ {[],[],[]} ->
+ ok;
+ {["WARNING: This process has an incomplete heap."++_],[],[]}
+ when IncompAllowed ->
+ ok; % native libs, literals might not be included in dump
+ _ when TruncAllowed ->
+ ok; % truncated dump
+ TWs ->
+ ct:fail({unexpected_warning,TWs})
+ end,
+ lookat_all_pids(Procs,TruncAllowed,IncompAllowed).
lookat_all_ports([]) ->
ok;
@@ -603,13 +649,7 @@ do_create_dumps(DataDir,Rel) ->
current ->
CD3 = dump_with_args(DataDir,Rel,"instr","+Mim true"),
CD4 = dump_with_strange_module_name(DataDir,Rel,"strangemodname"),
- Tmp = dump_with_args(DataDir,Rel,"trunc_bytes",""),
- {ok,#file_info{size=Max}} = file:read_file_info(Tmp),
- ok = file:delete(Tmp),
- Bytes = max(15,rand:uniform(Max)),
- CD5 = dump_with_args(DataDir,Rel,"trunc_bytes",
- "-env ERL_CRASH_DUMP_BYTES " ++
- integer_to_list(Bytes)),
+ CD5 = dump_with_size_limit_reached(DataDir,Rel,"trunc_bytes"),
CD6 = dump_with_unicode_atoms(DataDir,Rel,"unicode"),
CD7 = dump_with_maps(DataDir,Rel,"maps"),
TruncatedDumps = truncate_dump(CD1),
@@ -722,6 +762,28 @@ dump_with_strange_module_name(DataDir,Rel,DumpName) ->
?t:stop_node(n1),
CD.
+dump_with_size_limit_reached(DataDir,Rel,DumpName) ->
+ Tmp = dump_with_args(DataDir,Rel,DumpName,""),
+ {ok,#file_info{size=Max}} = file:read_file_info(Tmp),
+ ok = file:delete(Tmp),
+ dump_with_size_limit_reached(DataDir,Rel,DumpName,Max).
+
+dump_with_size_limit_reached(DataDir,Rel,DumpName,Max) ->
+ Bytes = max(15,rand:uniform(Max)),
+ CD = dump_with_args(DataDir,Rel,DumpName,
+ "-env ERL_CRASH_DUMP_BYTES " ++
+ integer_to_list(Bytes)),
+ {ok,#file_info{size=Size}} = file:read_file_info(CD),
+ if Size < Bytes ->
+ %% This means that the dump was actually smaller than the
+ %% randomly selected truncation size, so we'll just do it
+ %% again with a smaller numer
+ ok = file:delete(CD),
+ dump_with_size_limit_reached(DataDir,Rel,DumpName,Size-3);
+ true ->
+ CD
+ end.
+
dump_with_unicode_atoms(DataDir,Rel,DumpName) ->
Opt = rel_opt(Rel),
Pz = "-pz \"" ++ filename:dirname(code:which(?MODULE)) ++ "\"",
@@ -794,6 +856,11 @@ dump_prefix(current) ->
dump_prefix(Rel) ->
lists:concat(["r",Rel,"_dump."]).
+get_rel_from_dump_name(File) ->
+ Name = filename:basename(File),
+ ["r"++Rel|_] = string:split(Name,"_"),
+ list_to_integer(Rel).
+
compat_rel(current) ->
"";
compat_rel(Rel) ->