diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/observer/src/ttb.erl | 56 |
1 files changed, 29 insertions, 27 deletions
diff --git a/lib/observer/src/ttb.erl b/lib/observer/src/ttb.erl index 65739ae7d8..50df4b4be6 100644 --- a/lib/observer/src/ttb.erl +++ b/lib/observer/src/ttb.erl @@ -802,7 +802,7 @@ format(Files,Out,Handler,DisableSort) when is_list(Files), is_list(hd(Files)) -> Details = lists:foldl(fun(File,Acc) -> [prepare(File,Handler)|Acc] end, [],Files), Fd = get_fd(Out), - R = do_format(Fd,Details,DisableSort), + R = do_format(Fd,Details,DisableSort,Handler), file:close(Fd), ets:delete(?MODULE), case StopDbg of @@ -832,8 +832,8 @@ format_opt(Opt) when is_list(Opt) -> _ -> standard_io end, Handler = case lists:keysearch(handler,1,Opt) of - {value,{handler,H}} -> H; - _ -> undefined + {value,{handler,H}} -> H; + _ -> {fun defaulthandler/4, initial} end, DisableSort = proplists:get_value(disable_sort, Opt, false), {Out,Handler,DisableSort}; @@ -922,32 +922,26 @@ get_handler(Handler,Traci) -> undefined -> case dict:find(handler,Traci) of {ok,[H]} -> H; - error -> undefined + error -> {fun defaulthandler/4, initial} end; _ -> Handler end. -do_format(Fd,Details,DisableSort) -> - Clients = lists:foldl(fun({FileOrWrap,Traci,Handler},Acc) -> - [start_client(FileOrWrap,Traci,Handler) - |Acc] +do_format(Fd,Details,DisableSort,Handler) -> + EmptyHandler = {fun(_,_,_,_) -> ok end, ok}, + EtHandler = {{ttb_et, handler}, initial}, + Clients = lists:foldl(fun({FileOrWrap,Traci,et},Acc) -> + [start_client(FileOrWrap,Traci,EtHandler)|Acc]; + ({FileOrWrap,Traci,_},Acc) -> + [start_client(FileOrWrap,Traci,EmptyHandler)|Acc] end,[],Details), - init_collector(Fd,Clients,DisableSort). + init_collector(Fd,Clients,DisableSort,Handler). -start_client(FileOrWrap,Traci,et) -> - dbg:trace_client(file, FileOrWrap, - {fun handler/2, - {dict:to_list(Traci),{{ttb_et,handler},initial}}}); -start_client(FileOrWrap,Traci,undefined) -> - dbg:trace_client(file, FileOrWrap, - {fun handler/2, - {dict:to_list(Traci),{fun defaulthandler/4,initial}}}); start_client(FileOrWrap,Traci,Handler) -> dbg:trace_client(file, FileOrWrap, - {fun handler/2, {dict:to_list(Traci),Handler}}). - + {fun handler/2, {dict:to_list(Traci), Handler}}). handler(Trace,State) -> %% State here is only used for the initial state. The accumulated %% State is maintained by collector!!! @@ -962,31 +956,39 @@ handler1(Trace,{Fd,{Traci,{Fun,State}}}) when is_function(Fun) -> handler1(Trace,{Fd,{Traci,{{M,F},State}}}) when is_atom(M), is_atom(F) -> {Traci,{{M,F},M:F(Fd,Trace,Traci,State)}}. +%%Used to handle common state (the same for all clients) +handler2(Trace,{Fd,Traci,{Fun,State}}) when is_function(Fun) -> + {Fun, Fun(Fd, Trace, Traci, State)}; +handler2(Trace,{Fd,Traci,{{M,F},State}}) when is_atom(M), is_atom(F) -> + {{M,F}, M:F(Fd, Trace, Traci, State)}. + defaulthandler(Fd,Trace,_Traci,initial) -> dbg:dhandler(Trace,Fd); defaulthandler(_Fd,Trace,_Traci,State) -> dbg:dhandler(Trace,State). -init_collector(Fd,Clients,DisableSort) -> +init_collector(Fd,Clients,DisableSort,Handler) -> Collected = get_first(Clients), case DisableSort of - true -> collector(Fd,Collected, DisableSort); - false -> collector(Fd,sort(Collected), DisableSort) + true -> collector(Fd,Collected, DisableSort, Handler); + false -> collector(Fd,sort(Collected), DisableSort, Handler) end. -collector(Fd,[{_,{Client,{Trace,State}}} |Rest], DisableSort) -> +collector(Fd,[{_,{Client,{Trace,State}}} |Rest], DisableSort, CommonState) -> Trace1 = update_procinfo(Trace), State1 = handler1(Trace1,{Fd,State}), + CommonState2 = handler2(Trace1, {Fd, element(1, State1), CommonState}), case get_next(Client,State1) of end_of_trace -> handler1(end_of_trace,{Fd,State1}), - collector(Fd,Rest,DisableSort); + collector(Fd,Rest,DisableSort, CommonState2); Next -> case DisableSort of - false -> collector(Fd,sort([Next|Rest]), DisableSort); - true -> collector(Fd,[Next|Rest], DisableSort) + false -> collector(Fd,sort([Next|Rest]), DisableSort, CommonState2); + true -> collector(Fd,[Next|Rest], DisableSort, CommonState2) end end; -collector(_Fd,[], _) -> +collector(Fd,[], _, CommonState) -> + handler2(end_of_trace, {Fd, end_of_trace, CommonState}), ok. update_procinfo({drop,_N}=Trace) -> |