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-rw-r--r--lib/runtime_tools/src/observer_backend.erl28
-rw-r--r--lib/runtime_tools/src/runtime_tools.appup.src10
-rw-r--r--lib/runtime_tools/test/runtime_tools_SUITE.erl6
3 files changed, 25 insertions, 19 deletions
diff --git a/lib/runtime_tools/src/observer_backend.erl b/lib/runtime_tools/src/observer_backend.erl
index 68ef04f20c..fea0854042 100644
--- a/lib/runtime_tools/src/observer_backend.erl
+++ b/lib/runtime_tools/src/observer_backend.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2002-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2002-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -227,7 +227,9 @@ fetch_stats(Parent, Time) ->
fetch_stats_loop(Parent, Time) ->
erlang:system_flag(scheduler_wall_time, true),
receive
- _Msg -> erlang:system_flag(scheduler_wall_time, false)
+ _Msg ->
+ %% erlang:system_flag(scheduler_wall_time, false)
+ ok
after Time ->
_M = Parent ! {stats, 1,
erlang:statistics(scheduler_wall_time),
@@ -244,17 +246,6 @@ etop_collect(Collector) ->
%% utilization in etop). Next time the flag will be true and then
%% there will be a measurement.
SchedulerWallTime = erlang:statistics(scheduler_wall_time),
-
- %% Turn off the flag while collecting data per process etc.
- case erlang:system_flag(scheduler_wall_time,false) of
- false ->
- %% First time and the flag was false - start a monitoring
- %% process to set the flag back to false when etop is stopped.
- spawn(fun() -> flag_holder_proc(Collector) end);
- _ ->
- ok
- end,
-
ProcInfo = etop_collect(processes(), []),
Collector ! {self(),#etop_info{now = now(),
@@ -264,13 +255,22 @@ etop_collect(Collector) ->
memi = etop_memi(),
procinfo = ProcInfo
}},
+
+ case SchedulerWallTime of
+ undefined ->
+ spawn(fun() -> flag_holder_proc(Collector) end);
+ _ ->
+ ok
+ end,
+
erlang:system_flag(scheduler_wall_time,true).
flag_holder_proc(Collector) ->
Ref = erlang:monitor(process,Collector),
receive
{'DOWN',Ref,_,_,_} ->
- erlang:system_flag(scheduler_wall_time,false)
+ %% erlang:system_flag(scheduler_wall_time,false)
+ ok
end.
etop_memi() ->
diff --git a/lib/runtime_tools/src/runtime_tools.appup.src b/lib/runtime_tools/src/runtime_tools.appup.src
index 7a435e9b22..0c2bab316f 100644
--- a/lib/runtime_tools/src/runtime_tools.appup.src
+++ b/lib/runtime_tools/src/runtime_tools.appup.src
@@ -1,7 +1,7 @@
-%%
+%% -*- erlang -*-
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2001-2009. All Rights Reserved.
+%% Copyright Ericsson AB 2001-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -15,5 +15,7 @@
%% under the License.
%%
%% %CopyrightEnd%
-%%
-{"%VSN%",[],[]}.
+{"%VSN%",
+ [{<<".*">>,[{restart_application, runtime_tools}]}],
+ [{<<".*">>,[{restart_application, runtime_tools}]}]
+}.
diff --git a/lib/runtime_tools/test/runtime_tools_SUITE.erl b/lib/runtime_tools/test/runtime_tools_SUITE.erl
index 62497ab527..48ed810918 100644
--- a/lib/runtime_tools/test/runtime_tools_SUITE.erl
+++ b/lib/runtime_tools/test/runtime_tools_SUITE.erl
@@ -25,7 +25,7 @@
-export([init_per_testcase/2, end_per_testcase/2]).
%% Test cases
--export([app_file/1, start_stop_app/1]).
+-export([app_file/1, appup_file/1, start_stop_app/1]).
%% Default timetrap timeout (set in init_per_testcase)
-define(default_timeout, ?t:minutes(1)).
@@ -43,6 +43,7 @@ suite() -> [{ct_hooks,[ts_install_cth]}].
all() ->
[app_file,
+ appup_file,
start_stop_app].
groups() ->
@@ -65,6 +66,9 @@ app_file(_Config) ->
?line ok = ?t:app_test(runtime_tools),
ok.
+appup_file(_Config) ->
+ ok = ?t:appup_test(runtime_tools).
+
start_stop_app(_Config) ->
ok = application:start(runtime_tools),
Sup = whereis(runtime_tools_sup),