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-rw-r--r--lib/kernel/test/logger_std_h_SUITE.erl163
1 files changed, 110 insertions, 53 deletions
diff --git a/lib/kernel/test/logger_std_h_SUITE.erl b/lib/kernel/test/logger_std_h_SUITE.erl
index e940e0a026..7c8d63cbbd 100644
--- a/lib/kernel/test/logger_std_h_SUITE.erl
+++ b/lib/kernel/test/logger_std_h_SUITE.erl
@@ -499,86 +499,79 @@ filesync(Config) ->
#{logger_std_h => #{type => Type},
filter_default=>log,
filters=>?DEFAULT_HANDLER_FILTERS([?MODULE]),
- formatter=>{?MODULE,self()}}),
- Tester = self(),
- TraceFun = fun({trace,_,call,{Mod,Func,Details}}, Pid) ->
- Pid ! {trace,Mod,Func,Details},
- Pid;
- ({trace,TPid,'receive',Received}, Pid) ->
- Pid ! {trace,TPid,Received},
- Pid
- end,
- {ok,_} = dbg:tracer(process, {TraceFun, Tester}),
- FileCtrlPid = maps:get(file_ctrl_pid , logger_std_h:info(?MODULE)),
- {ok,_} = dbg:p(FileCtrlPid, [c]),
- {ok,_} = dbg:tpl(logger_std_h, write_to_dev, 5, []),
- {ok,_} = dbg:tpl(logger_std_h, sync_dev, 4, []),
- {ok,_} = dbg:tp(file, datasync, 1, []),
+ formatter=>{?MODULE,nl}}),
+
+ %% check repeated filesync happens
+ start_tracer([{logger_std_h, write_to_dev, 5},
+ {logger_std_h, sync_dev, 4},
+ {file, datasync, 1}],
+ [{logger_std_h, write_to_dev, <<"first\n">>},
+ {logger_std_h, sync_dev},
+ {file,datasync}]),
logger:info("first", ?domain),
%% wait for automatic filesync
- timer:sleep(?FILESYNC_REP_INT),
- Expected1 = [{log,"first"}, {trace,logger_std_h,write_to_dev},
- {trace,logger_std_h,sync_dev}, {trace,file,datasync}],
-
+ check_tracer(?FILESYNC_REP_INT*2),
+
+ %% check that explicit filesync is only done once
+ start_tracer([{logger_std_h, write_to_dev, 5},
+ {logger_std_h, sync_dev, 4},
+ {file, datasync, 1}],
+ [{logger_std_h, write_to_dev, <<"second\n">>},
+ {logger_std_h, sync_dev},
+ {file,datasync},
+ {no_more,500}
+ ]),
logger:info("second", ?domain),
%% do explicit filesync
logger_std_h:filesync(?MODULE),
%% a second filesync should be ignored
logger_std_h:filesync(?MODULE),
- Expected2 = [{log,"second"}, {trace,logger_std_h,write_to_dev},
- {trace,logger_std_h,sync_dev}, {trace,file,datasync}],
+ check_tracer(100),
%% check that if there's no repeated filesync active,
%% a filesync is still performed when handler goes idle
logger:set_handler_config(?MODULE, logger_std_h,
#{filesync_repeat_interval => no_repeat}),
no_repeat = maps:get(filesync_repeat_interval, logger_std_h:info(?MODULE)),
+ %% The following timer is to make sure the time from last log
+ %% ("second") to next ("third") is long enough, so the a flush is
+ %% triggered by the idle timeout between "thrid" and "fourth".
+ timer:sleep(?IDLE_DETECT_TIME_MSEC*2),
+ start_tracer([{logger_std_h, write_to_dev, 5},
+ {logger_std_h, sync_dev, 4},
+ {file, datasync, 1}],
+ [{logger_std_h, write_to_dev, <<"third\n">>},
+ {logger_std_h, sync_dev},
+ {file,datasync},
+ {logger_std_h, write_to_dev, <<"fourth\n">>},
+ {logger_std_h, sync_dev},
+ {file,datasync}]),
logger:info("third", ?domain),
+ %% wait for automatic filesync
timer:sleep(?IDLE_DETECT_TIME_MSEC*2),
logger:info("fourth", ?domain),
%% wait for automatic filesync
- timer:sleep(?IDLE_DETECT_TIME_MSEC*2),
- Expected3 = [{log,"third"}, {trace,logger_std_h,write_to_dev},
- {log,"fourth"}, {trace,logger_std_h,write_to_dev},
- {trace,logger_std_h,sync_dev}, {trace,file,datasync}],
-
- dbg:stop_clear(),
-
- %% verify that filesync has been performed as expected
- Received1 = lists:map(fun({trace,M,F,_}) -> {trace,M,F};
- (Other) -> Other
- end, test_server:messages_get()),
- ct:pal("Trace #1 =~n~p", [Received1]),
- Received1 = Expected1 ++ Expected2 ++ Expected3,
-
- try_read_file(Log, {ok,<<"first\nsecond\nthird\nfourth\n">>}, 1000),
-
- {ok,_} = dbg:tracer(process, {TraceFun, Tester}),
- {ok,_} = dbg:p(whereis(?MODULE), [c]),
- {ok,_} = dbg:tpl(logger_std_h, handle_cast, 2, []),
+ check_tracer(?IDLE_DETECT_TIME_MSEC*2),
%% switch repeated filesync on and verify that the looping works
SyncInt = 1000,
WaitT = 4500,
+ OneSync = {logger_std_h,handle_cast,repeated_filesync},
+ %% receive 1 initial repeated_filesync, then 1 per sec
+ start_tracer([{logger_std_h,handle_cast,2}],
+ [OneSync || _ <- lists:seq(1, 1 + trunc(WaitT/SyncInt))]),
+
logger:set_handler_config(?MODULE, logger_std_h,
#{filesync_repeat_interval => SyncInt}),
SyncInt = maps:get(filesync_repeat_interval, logger_std_h:info(?MODULE)),
timer:sleep(WaitT),
logger:set_handler_config(?MODULE, logger_std_h,
- #{filesync_repeat_interval => no_repeat}),
- dbg:stop_clear(),
-
- Received2 = lists:map(fun({trace,_M,handle_cast,[{Op,_},_]}) -> {trace,Op};
- (Other) -> Other
- end, test_server:messages_get()),
- ct:pal("Trace #2 =~n~p", [Received2]),
- OneSync = [{trace,repeated_filesync}],
- %% receive 1 initial repeated_filesync, then 1 per sec
- Received2 =
- lists:flatten([OneSync || _ <- lists:seq(1, 1 + trunc(WaitT/SyncInt))]),
+ #{filesync_repeat_interval => no_repeat}),
+ check_tracer(100),
ok.
filesync(cleanup, _Config) ->
+ dbg:stop_clear(),
logger:remove_handler(?MODULE).
write_failure(Config) ->
@@ -785,7 +778,7 @@ op_switch_to_drop_tty(cleanup, _Config) ->
ok = stop_handler(?MODULE).
op_switch_to_flush_file() ->
- [{timetrap,{seconds,60}}].
+ [{timetrap,{minutes,3}}].
op_switch_to_flush_file(Config) ->
{Log,HConfig,StdHConfig} = start_handler(?MODULE, ?FUNCTION_NAME, Config),
@@ -1052,7 +1045,7 @@ restart_after(cleanup, _Config) ->
%% during high load to verify that sync, dropping and flushing is
%% handled correctly.
handler_requests_under_load() ->
- [{timetrap,{seconds,60}}].
+ [{timetrap,{minutes,3}}].
handler_requests_under_load(Config) ->
{Log,HConfig,StdHConfig} =
start_handler(?MODULE, ?FUNCTION_NAME, Config),
@@ -1394,3 +1387,67 @@ analyse(Msgs) ->
From ! {result,self(),TestFun(Msgs)},
analyse(Msgs)
end.
+
+start_tracer(Trace,Expected) ->
+ Pid = self(),
+ FileCtrlPid = maps:get(file_ctrl_pid, logger_std_h:info(?MODULE)),
+ dbg:tracer(process,{fun tracer/2,{Pid,Expected}}),
+ dbg:p(whereis(?MODULE),[c]),
+ dbg:p(FileCtrlPid,[c]),
+ tpl(Trace),
+ ok.
+
+tpl([{M,F,A}|Trace]) ->
+ {ok,Match} = dbg:tpl(M,F,A,[]),
+ case lists:keyfind(matched,1,Match) of
+ {_,_,1} ->
+ ok;
+ _ ->
+ dbg:stop_clear(),
+ throw({skip,"Can't trace "++atom_to_list(M)++":"++
+ atom_to_list(F)++"/"++integer_to_list(A)})
+ end,
+ tpl(Trace);
+tpl([]) ->
+ ok.
+
+tracer({trace,_,call,{logger_std_h,handle_cast,[{Op,_}|_]}},
+ {Pid,[{Mod,Func,Op}|Expected]}) ->
+ maybe_tracer_done(Pid,Expected,{Mod,Func,Op});
+tracer({trace,_,call,{Mod=logger_std_h,Func=write_to_dev,[_,Data,_,_,_]}},
+ {Pid,[{Mod,Func,Data}|Expected]}) ->
+ maybe_tracer_done(Pid,Expected,{Mod,Func,Data});
+tracer({trace,_,call,{Mod,Func,_}}, {Pid,[{Mod,Func}|Expected]}) ->
+ maybe_tracer_done(Pid,Expected,{Mod,Func});
+tracer({trace,_,call,Call}, {Pid,Expected}) ->
+ ct:log("Tracer got unexpected: ~p~nExpected: ~p~n",[Call,Expected]),
+ Pid ! {tracer_got_unexpected,Call,Expected},
+ {Pid,Expected}.
+
+maybe_tracer_done(Pid,[]=Expected,Got) ->
+ ct:log("Tracer got: ~p~n",[Got]),
+ Pid ! {tracer_done,0},
+ {Pid,Expected};
+maybe_tracer_done(Pid,[{no_more,T}]=Expected,Got) ->
+ ct:log("Tracer got: ~p~n",[Got]),
+ Pid ! {tracer_done,T},
+ {Pid,Expected};
+maybe_tracer_done(Pid,Expected,Got) ->
+ ct:log("Tracer got: ~p~n",[Got]),
+ {Pid,Expected}.
+
+check_tracer(T) ->
+ check_tracer(T,fun() -> ct:fail({timeout,tracer}) end).
+check_tracer(T,TimeoutFun) ->
+ receive
+ {tracer_done,Delay} ->
+ %% Possibly wait Delay ms to check that no unexpected
+ %% traces are received
+ check_tracer(Delay,fun() -> ok end);
+ {tracer_got_unexpected,Got,Expected} ->
+ dbg:stop_clear(),
+ ct:fail({tracer_got_unexpected,Got,Expected})
+ after T ->
+ dbg:stop_clear(),
+ TimeoutFun()
+ end.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 21:35:20 +0000