diff options
Diffstat (limited to 'lib/tools')
| -rw-r--r-- | lib/tools/src/lcnt.erl | 138 |
1 files changed, 112 insertions, 26 deletions
diff --git a/lib/tools/src/lcnt.erl b/lib/tools/src/lcnt.erl index e1772537d3..53894b933c 100644 --- a/lib/tools/src/lcnt.erl +++ b/lib/tools/src/lcnt.erl @@ -37,6 +37,17 @@ stop/0 ]). +%% erts_debug:lock_counters api +-export([ + rt_collect/0, + rt_collect/1, + rt_clear/0, + rt_clear/1, + rt_opt/1, + rt_opt/2 + ]). + + %% gen_server call api -export([ raw/0, @@ -93,7 +104,6 @@ id, type, stats = [] - }). -record(print, { @@ -108,6 +118,8 @@ dtr % time duration ratio }). + + %% -------------------------------------------------------------------- %% %% %% start/stop/init @@ -120,14 +132,39 @@ init([]) -> {ok, #state{ locks = [], duration = 0 } }. %% -------------------------------------------------------------------- %% %% +%% API erts_debug:lock_counters +%% +%% -------------------------------------------------------------------- %% + +rt_collect() -> + erts_debug:lock_counters(info). + +rt_collect(Node) -> + rpc:call(Node, erts_debug, lock_counters, [info]). + +rt_clear() -> + erts_debug:lock_counters(clear). + +rt_clear(Node) -> + rpc:call(Node, erts_debug, lock_counters, [clear]). + +rt_opt({Type, Opt}) -> + erts_debug:lock_counters({Type, Opt}). + +rt_opt(Node, {Type, Opt}) -> + rpc:call(Node, erts_debug, lock_counters, [{Type, Opt}]). + +%% -------------------------------------------------------------------- %% +%% %% API implementation %% %% -------------------------------------------------------------------- %% -clear() -> erts_debug:lock_counters(clear). -clear(Node) -> rpc:call(Node, erts_debug, lock_counters, [clear]). -collect() -> call({collect, erts_debug:lock_counters(info)}). -collect(Node) -> call({collect, rpc:call(Node, erts_debug, lock_counters, [info])}). +clear() -> rt_clear(). +clear(Node) -> rt_clear(Node). +collect() -> call({collect, rt_collect()}). +collect(Node) -> call({collect, rt_collect(Node)}). + locations() -> call({locations,[]}). locations(Opts) -> call({locations, Opts}). conflicts() -> call({conflicts, []}). @@ -152,9 +189,11 @@ call(Msg) -> gen_server:call(?MODULE, Msg, infinity). apply(M,F,As) when is_atom(M), is_atom(F), is_list(As) -> lcnt:start(), + Opt = lcnt:rt_opt({copy_save, true}), lcnt:clear(), Res = erlang:apply(M,F,As), lcnt:collect(), + lcnt:rt_opt({copy_save, Opt}), Res. apply(Fun) when is_function(Fun) -> @@ -162,9 +201,11 @@ apply(Fun) when is_function(Fun) -> apply(Fun, As) when is_function(Fun) -> lcnt:start(), + Opt = lcnt:rt_opt({copy_save, true}), lcnt:clear(), Res = erlang:apply(Fun, As), lcnt:collect(), + lcnt:rt_opt({copy_save, Opt}), Res. all_conflicts() -> all_conflicts(time). @@ -202,8 +243,10 @@ handle_call({conflicts, InOpts}, _From, #state{ locks = Locks } = State) when is {combine, true}, {thresholds, [{tries, 0}, {colls, 0}, {time, 0}] }, {locations, false}], + Opts = options(InOpts, Default), - Combos = combine_classes(Locks, proplists:get_value(combine, Opts)), + Flocks = filter_locks_type(Locks, proplists:get_value(type, Opts)), + Combos = combine_classes(Flocks, proplists:get_value(combine, Opts)), Printables = locks2print(Combos, State#state.duration), Filtered = filter_print(Printables, Opts), @@ -246,12 +289,12 @@ handle_call({inspect, Lockname, InOpts}, _From, #state{ duration = Duration, loc {reverse, false}, {print, [name,id,tries,colls,ratio,time,duration]}, {max_locks, 20}, - {combine, true}, - {thresholds, [{tries, 0}, {colls, 0}, {time, 0}] }, + {combine, false}, + {thresholds, [] }, {locations, false}], Opts = options(InOpts, Default), - Filtered = filter_locks(Lockname, Locks), + Filtered = filter_locks(Locks, Lockname), IDs = case {proplists:get_value(full_id, Opts), proplists:get_value(combine, Opts)} of {true, true} -> locks_ids(Filtered); _ -> [] @@ -311,6 +354,9 @@ handle_call(swap_pid_keys, _From, #state{ locks = Locks } = State)-> handle_call({set, data, Data}, _From, State)-> {reply, ok, data2state(Data, State)}; +handle_call({set, duration, Duration}, _From, State)-> + {reply, ok, State#state{ duration = Duration}}; + % file operations handle_call({load, Filename}, _From, State) -> case file:read_file(Filename) of @@ -397,13 +443,19 @@ summate_stats([S|Ss], #stats{ tries = Tries, colls = Colls, time = Time, nt = Nt %% manipulators - -filter_locks({Lockname, Ids}, Locks) when is_list(Ids) -> - [ L || L <- Locks, L#lock.name == Lockname, lists:member(L#lock.id, Ids)]; -filter_locks({Lockname, Id}, Locks) -> - [ L || L <- Locks, L#lock.name == Lockname, L#lock.id == Id ]; -filter_locks(Lockname, Locks) -> - [ L || L <- Locks, L#lock.name == Lockname ]. +filter_locks_type(Locks, undefined) -> Locks; +filter_locks_type(Locks, all) -> Locks; +filter_locks_type(Locks, Types) when is_list(Types) -> + [ L || L <- Locks, lists:member(L#lock.type, Types)]; +filter_locks_type(Locks, Type) -> + [ L || L <- Locks, L#lock.type =:= Type]. + +filter_locks(Locks, {Lockname, Ids}) when is_list(Ids) -> + [ L || L <- Locks, L#lock.name =:= Lockname, lists:member(L#lock.id, Ids)]; +filter_locks(Locks, {Lockname, Id}) -> + [ L || L <- Locks, L#lock.name =:= Lockname, L#lock.id =:= Id ]; +filter_locks(Locks, Lockname) -> + [ L || L <- Locks, L#lock.name =:= Lockname ]. % order of processing % 2. cut thresholds % 3. sort locks @@ -554,11 +606,12 @@ data2state(Data, State) -> locks = Locks }. -% [{name, id, type, [{{file, line}, {tries, colls, {s, ns, n}}}] -locks2records(Locks) -> - [ #lock{ +locks2records(Locks) -> locks2records(Locks, []). +locks2records([], Out) -> Out; +locks2records([{Name, Id, Type, Stats}|Locks], Out) -> + Lock = #lock{ name = Name, - id = Id, + id = clean_id_creation(Id), type = Type, stats = [ #stats{ file = File, @@ -567,10 +620,21 @@ locks2records(Locks) -> colls = Colls, time = time2us({S, Ns}), nt = N - } || {{File, Line}, {Tries, Colls, {S, Ns, N}}} <- Stats] - } || {Name, Id, Type, Stats} <- Locks - ]. - + } || {{File, Line}, {Tries, Colls, {S, Ns, N}}} <- Stats] }, + locks2records(Locks, [Lock|Out]). + +clean_id_creation(Id) when is_pid(Id) -> + Bin = term_to_binary(Id), + <<H:3/binary, L:16, Node:L/binary, Ids:8/binary, _Creation/binary>> = Bin, + Bin2 = list_to_binary([H, bytes16(L), Node, Ids, 0]), + binary_to_term(Bin2); +clean_id_creation(Id) when is_port(Id) -> + Bin = term_to_binary(Id), + <<H:3/binary, L:16, Node:L/binary, Ids:4/binary, _Creation/binary>> = Bin, + Bin2 = list_to_binary([H, bytes16(L), Node, Ids, 0]), + binary_to_term(Bin2); +clean_id_creation(Id) -> + Id. %% serializer @@ -619,7 +683,7 @@ auto_print_width(Locks, Print) -> ({print,print}, Out) -> [print|Out]; ({Str, Len}, Out) -> [erlang:min(erlang:max(length(s(Str))+1,Len),80)|Out] end, [], lists:zip(tuple_to_list(L), tuple_to_list(Max))))) - end, #print{ id = 3, type = 5, entry = 5, name = 5, tries = 7, colls = 13, cr = 16, time = 11, dtr = 14 }, + end, #print{ id = 4, type = 5, entry = 5, name = 6, tries = 8, colls = 13, cr = 16, time = 11, dtr = 14 }, Locks), % Setup the offsets for later pruning Offsets = [ @@ -740,7 +804,7 @@ kv(Key, Value, Offset) -> term2string(term2string("~~~ps : ~~s", [Offset]),[Key, s(T) when is_float(T) -> term2string("~.4f", [T]); s(T) when is_list(T) -> term2string("~s", [T]); -s(T) -> term2string("~p", [T]). +s(T) -> term2string(T). strings(Strings) -> strings(Strings, []). strings([], Out) -> Out; @@ -750,5 +814,27 @@ strings([S|Ss], Out) -> strings(Ss, Out ++ term2string("~s", [S])). term2string({M,F,A}) when is_atom(M), is_atom(F), is_integer(A) -> term2string("~p:~p/~p", [M,F,A]); +term2string(Term) when is_port(Term) -> + % ex #Port<6442.816> + <<_:3/binary, L:16, Node:L/binary, Ids:32, _/binary>> = term_to_binary(Term), + term2string("#Port<~s.~w>", [Node, Ids]); +term2string(Term) when is_pid(Term) -> + % ex <0.80.0> + <<_:3/binary, L:16, Node:L/binary, Ids:32, Serial:32, _/binary>> = term_to_binary(Term), + term2string("<~s.~w.~w>", [Node, Ids, Serial]); term2string(Term) -> term2string("~w", [Term]). term2string(Format, Terms) -> lists:flatten(io_lib:format(Format, Terms)). + +%%% AUD id binary + +bytes16(Value) -> + B0 = Value band 255, + B1 = (Value bsr 8) band 255, + <<B1, B0>>. + +bytes32(Value) -> + B0 = Value band 255, + B1 = (Value bsr 8) band 255, + B2 = (Value bsr 16) band 255, + B3 = (Value bsr 24) band 255, + <<B3, B2, B1, B0>>. |