aboutsummaryrefslogtreecommitdiffstats
path: root/lib/observer
diff options
context:
space:
mode:
authorSiri Hansen <[email protected]>2017-10-26 15:28:48 +0200
committerSiri Hansen <[email protected]>2017-11-08 10:31:38 +0100
commit99205ab9fb89c08ce71deb02c2fd32376b15a24c (patch)
treee630dc6a27af03b8cd7680f1b7c718d114b6b2ac /lib/observer
parent848fb94ca16be0a103b5df4232e3d4ab421c5138 (diff)
downloadotp-99205ab9fb89c08ce71deb02c2fd32376b15a24c.tar.gz
otp-99205ab9fb89c08ce71deb02c2fd32376b15a24c.tar.bz2
otp-99205ab9fb89c08ce71deb02c2fd32376b15a24c.zip
[cdv] Display warning if heap is incomplete
Diffstat (limited to 'lib/observer')
-rw-r--r--lib/observer/src/crashdump_viewer.erl13
-rw-r--r--lib/observer/test/crashdump_viewer_SUITE.erl47
2 files changed, 50 insertions, 10 deletions
diff --git a/lib/observer/src/crashdump_viewer.erl b/lib/observer/src/crashdump_viewer.erl
index d2231ba033..40450a2873 100644
--- a/lib/observer/src/crashdump_viewer.erl
+++ b/lib/observer/src/crashdump_viewer.erl
@@ -1122,7 +1122,7 @@ get_proc_details(File,Pid,WS,DumpVsn) ->
{{Stack,MsgQ,Dict},TW} =
case truncated_warning([{?proc,Pid}]) of
[] ->
- {expand_memory(Fd,Pid,DumpVsn),[]};
+ expand_memory(Fd,Pid,DumpVsn);
TW0 ->
{{[],[],[]},TW0}
end,
@@ -1457,7 +1457,15 @@ expand_memory(Fd,Pid,DumpVsn) ->
read_messages(Fd,Pid,BinAddrAdj,Dict),
read_dictionary(Fd,Pid,BinAddrAdj,Dict)},
erase(fd),
- Expanded.
+ IncompleteWarning =
+ case erase(incomplete_heap) of
+ undefined ->
+ [];
+ true ->
+ ["WARNING: This process has an incomplete heap. "
+ "Some information might be missing."]
+ end,
+ {Expanded,IncompleteWarning}.
read_literals(Fd) ->
case lookup_index(?literals,[]) of
@@ -2784,6 +2792,7 @@ deref_ptr(Ptr, Line, BinAddrAdj, D0) ->
none ->
case get(fd) of
end_of_heap ->
+ put(incomplete_heap,true),
{['#CDVIncompleteHeap'],Line,D0};
Fd ->
case bytes(Fd) of
diff --git a/lib/observer/test/crashdump_viewer_SUITE.erl b/lib/observer/test/crashdump_viewer_SUITE.erl
index a361b8c321..02adfb6508 100644
--- a/lib/observer/test/crashdump_viewer_SUITE.erl
+++ b/lib/observer/test/crashdump_viewer_SUITE.erl
@@ -348,7 +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",[]),
@@ -359,6 +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" ->
@@ -548,7 +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",[]),
@@ -568,14 +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;
@@ -814,6 +840,11 @@ 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) ->