diff options
Diffstat (limited to 'lib/observer')
| -rw-r--r-- | lib/observer/src/ttb.erl | 174 |
1 files changed, 95 insertions, 79 deletions
diff --git a/lib/observer/src/ttb.erl b/lib/observer/src/ttb.erl index bdea80114a..71afe434bf 100644 --- a/lib/observer/src/ttb.erl +++ b/lib/observer/src/ttb.erl @@ -21,7 +21,6 @@ %% API -export([tracer/0,tracer/1,tracer/2,p/2,stop/0,stop/1,start_trace/4]). --export([get_et_handler/0]). -export([tp/2, tp/3, tp/4, ctp/0, ctp/1, ctp/2, ctp/3, tpl/2, tpl/3, tpl/4, ctpl/0, ctpl/1, ctpl/2, ctpl/3, ctpg/0, ctpg/1, ctpg/2, ctpg/3]). -export([seq_trigger_ms/0,seq_trigger_ms/1]). @@ -119,6 +118,8 @@ opt([{process_info,PI}|O],{_,Client,Traci}) -> opt(O,{PI,Client,Traci}); opt([{file,Client}|O],{PI,_,Traci}) -> opt(O,{PI,Client,Traci}); +opt([{handler,Handler}|O],{PI,Client,Traci}) -> + opt(O,{PI,Client,[{handler,Handler}|Traci]}); opt([{timer, {MSec, StopOpts}}|O],{PI,Client,Traci}) -> opt(O,{PI,Client,[{timer,{MSec, StopOpts}}|Traci]}); opt([{timer, MSec}|O],{PI,Client,Traci}) -> @@ -356,7 +357,7 @@ no_store_p(Procs0,Flags0) -> transform_flags([clear]) -> [clear]; transform_flags(Flags) -> - dbg:transform_flags([timestamp | Flags]). + dbg:transform_flags(Flags). procs(Procs) when is_list(Procs) -> @@ -527,21 +528,16 @@ stop(Opts) -> stop_opts(Opts) -> FetchDir = proplists:get_value(fetch_dir, Opts), ensure_fetch_dir(FetchDir), - FormatData = case proplists:get_value(format, Opts) of - undefined -> false; - true -> {format, []}; - FOpts -> {format, FOpts} - end, - case {FormatData, lists:member(return, Opts)} of - {false, true} -> + case {lists:member(format,Opts), lists:member(return, Opts)} of + {true, _} -> + {format, FetchDir}; % format implies fetch + {_, true} -> {fetch, FetchDir}; % if we specify return, the data should be fetched - {false, false} -> + _ -> case lists:member(fetch,Opts) of true -> {fetch, FetchDir}; false -> nofetch - end; - {FormatData, _} -> - {FormatData, FetchDir} + end end. ensure_fetch_dir(undefined) -> ok; @@ -577,6 +573,7 @@ start(SessionInfo) -> ok end. + init(Parent, SessionInfo) -> register(?MODULE,self()), ets:new(?history_table,[ordered_set,named_table,public]), @@ -663,8 +660,8 @@ loop(NodeInfo, SessionInfo) -> Absname = filename:absname(Dir), io:format("Stored logs in ~s~n",[Absname]), case FetchOrFormat of - fetch -> ok; - {format, Opts} -> format(Dir, Opts) + format -> format(Dir); + fetch -> ok end, Sender ! {?MODULE,{stopped,Absname}} ?get_status @@ -682,17 +679,24 @@ ts() -> io_lib:format("-~4.4.0w~2.2.0w~2.2.0w-~2.2.0w~2.2.0w~2.2.0w", [Y,M,D,H,Min,S]). + fetch(Localhost,Dir,Node,MetaFile) -> case (host(Node) == Localhost) orelse is_local(MetaFile) of true -> % same host, just move the files Files = get_filenames(Node,MetaFile), lists:foreach( fun(File0) -> - %%Other nodes may still have different CWD - {ok, Cwd} = rpc:call(Node, file, get_cwd, []), - File1 = filename:join(Cwd, File0), - File = filename:join(Dir,filename:basename(File1)), - file:rename(File1,File) + case MetaFile of + {local, _, _} -> + File = filename:join(Dir,filename:basename(File0)), + file:rename(File0, File); + _ -> + %%Other nodes may still have different CWD + {ok, Cwd} = rpc:call(Node, file, get_cwd, []), + File1 = filename:join(Cwd, File0), + File = filename:join(Dir,filename:basename(File1)), + file:rename(File1,File) + end end, Files); false -> @@ -773,16 +777,13 @@ write_info(Nodes,PI,Traci) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%% Format binary trace logs -get_et_handler() -> - {fun ttb_et:handler/4, initial}. - format(Files) -> format(Files,[]). format(Files,Opt) -> - {Out,Handler,DisableSort} = format_opt(Opt), + {Out,Handler} = format_opt(Opt), ets:new(?MODULE,[named_table]), - format(Files,Out,Handler, DisableSort). -format(File,Out,Handler,DisableSort) when is_list(File), is_integer(hd(File)) -> + format(Files,Out,Handler). +format(File,Out,Handler) when is_list(File), is_integer(hd(File)) -> Files = case filelib:is_dir(File) of true -> % will merge all files in the directory @@ -798,16 +799,16 @@ format(File,Out,Handler,DisableSort) when is_list(File), is_integer(hd(File)) -> false -> % format one file [File] end, - format(Files,Out,Handler,DisableSort); -format(Files,Out,Handler,DisableSort) when is_list(Files), is_list(hd(Files)) -> + format(Files,Out,Handler); +format(Files,Out,Handler) when is_list(Files), is_list(hd(Files)) -> StopDbg = case whereis(dbg) of undefined -> true; _ -> false end, - Details = lists:foldl(fun(File,Acc) -> [prepare(File)|Acc] end, + Details = lists:foldl(fun(File,Acc) -> [prepare(File,Handler)|Acc] end, [],Files), Fd = get_fd(Out), - R = do_format(Fd,Details,DisableSort,Handler), + R = do_format(Fd,Details), file:close(Fd), ets:delete(?MODULE), case StopDbg of @@ -816,7 +817,7 @@ format(Files,Out,Handler,DisableSort) when is_list(Files), is_list(hd(Files)) -> end, R. -prepare(File) -> +prepare(File,Handler) -> {Traci,Proci} = read_traci(File), Node = get_node(Traci), lists:foreach(fun({Pid,PI}) -> @@ -828,7 +829,8 @@ prepare(File) -> ets:insert(?MODULE,{Pid,PI,Node}) end,Proci), FileOrWrap = get_file(File,Traci), - {FileOrWrap,Traci}. + Handler1 = get_handler(Handler,Traci), + {FileOrWrap,Traci,Handler1}. format_opt(Opt) when is_list(Opt) -> Out = case lists:keysearch(out,1,Opt) of @@ -836,11 +838,10 @@ format_opt(Opt) when is_list(Opt) -> _ -> standard_io end, Handler = case lists:keysearch(handler,1,Opt) of - {value,{handler,H}} -> H; - _ -> {fun defaulthandler/4, initial} + {value,{handler,H}} -> H; + _ -> undefined end, - DisableSort = proplists:get_value(disable_sort, Opt, false), - {Out,Handler,DisableSort}; + {Out,Handler}; format_opt(Opt) -> format_opt([Opt]). @@ -920,56 +921,71 @@ check_exists(File) -> exit({error,no_file}) end. -do_format(Fd,Details,DisableSort,Handler) -> - Clients = lists:foldl(fun({FileOrWrap,Traci},Acc) -> - [start_client(FileOrWrap,Traci)|Acc] - end,[],Details), - init_collector(Fd,Clients,DisableSort,Handler). -start_client(FileOrWrap,Traci) -> - dbg:trace_client(file, FileOrWrap, - {fun handler/2, dict:to_list(Traci)}). +get_handler(Handler,Traci) -> + case Handler of + undefined -> + case dict:find(handler,Traci) of + {ok,[H]} -> H; + error -> undefined + end; + _ -> + Handler + end. -handler(Trace,Traci) -> - %%We return our own Traci so that it not necesarry to look it up - %%This may take time if something huge has been written to it - receive - {get,Collector} -> Collector ! {self(),{Trace,Traci}}; +do_format(Fd,Details) -> + Clients = lists:foldl(fun({FileOrWrap,Traci,Handler},Acc) -> + [start_client(FileOrWrap,Traci,Handler) + |Acc] + end,[],Details), + init_collector(Fd,Clients). + + +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}}). + +handler(Trace,State) -> + %% State here is only used for the initial state. The accumulated + %% State is maintained by collector!!! + receive + {get,Collector} -> Collector ! {self(),{Trace,State}}; done -> ok end, - 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)}. +handler1(Trace,{Fd,{Traci,{Fun,State}}}) when is_function(Fun) -> + {Traci,{Fun,Fun(Fd,Trace,Traci,State)}}; +handler1(Trace,{Fd,{Traci,{{M,F},State}}}) when is_atom(M), is_atom(F) -> + {Traci,{{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,Handler) -> +init_collector(Fd,Clients) -> Collected = get_first(Clients), - case DisableSort of - true -> collector(Fd,Collected, DisableSort, Handler); - false -> collector(Fd,sort(Collected), DisableSort, Handler) - end. + collector(Fd,sort(Collected)). -collector(Fd,[{_,{Client,{Trace,Traci}}} |Rest], DisableSort, CommonState) -> +collector(Fd,[{_,{Client,{Trace,State}}} |Rest]) -> Trace1 = update_procinfo(Trace), - CommonState2 = handler2(Trace1, {Fd, Traci, CommonState}), - case get_next(Client) of - end_of_trace -> - collector(Fd,Rest,DisableSort, CommonState2); - Next -> case DisableSort of - false -> collector(Fd,sort([Next|Rest]), DisableSort, CommonState2); - true -> collector(Fd,[Next|Rest], DisableSort, CommonState2) - end + State1 = handler1(Trace1,{Fd,State}), + case get_next(Client,State1) of + end_of_trace -> + handler1(end_of_trace,{Fd,State1}), + collector(Fd,Rest); + Next -> collector(Fd,sort([Next|Rest])) end; -collector(Fd,[], _, CommonState) -> - handler2(end_of_trace, {Fd, end_of_trace, CommonState}), +collector(_Fd,[]) -> ok. update_procinfo({drop,_N}=Trace) -> @@ -1014,21 +1030,21 @@ get_procinfo({Name,Node}) when is_atom(Name) -> get_first([Client|Clients]) -> Client ! {get,self()}, - receive - {Client,{end_of_trace,_}} -> + receive + {Client,{end_of_trace,_}} -> get_first(Clients); - {Client,{Trace,_}}=Next -> + {Client,{Trace,_State}}=Next -> [{timestamp(Trace),Next}|get_first(Clients)] end; get_first([]) -> []. -get_next(Client) when is_pid(Client) -> +get_next(Client,State) when is_pid(Client) -> Client ! {get,self()}, - receive - {Client,{end_of_trace,_}} -> + receive + {Client,{end_of_trace,_}} -> end_of_trace; - {Client,{Trace, Traci}} -> - {timestamp(Trace),{Client,{Trace,Traci}}} + {Client,{Trace,_OldState}} -> + {timestamp(Trace),{Client,{Trace,State}}} % inserting new state!! end. sort(List) -> |