diff options
Diffstat (limited to 'lib/tools/src')
-rw-r--r-- | lib/tools/src/cover.erl | 125 |
1 files changed, 67 insertions, 58 deletions
diff --git a/lib/tools/src/cover.erl b/lib/tools/src/cover.erl index f6f976e0af..a2e8288227 100644 --- a/lib/tools/src/cover.erl +++ b/lib/tools/src/cover.erl @@ -100,8 +100,10 @@ }). -define(COVER_TABLE, 'cover_internal_data_table'). +-define(COVER_CLAUSE_TABLE, 'cover_internal_clause_table'). -define(BINARY_TABLE, 'cover_binary_code_table'). -define(COLLECTION_TABLE, 'cover_collected_remote_data_table'). +-define(COLLECTION_CLAUSE_TABLE, 'cover_collected_remote_clause_table'). -define(TAG, cover_compiled). -define(SERVER, cover_server). @@ -517,8 +519,10 @@ remote_reply(MainNode,Reply) -> init_main(Starter) -> register(?SERVER,self()), ets:new(?COVER_TABLE, [set, public, named_table]), + ets:new(?COVER_CLAUSE_TABLE, [set, public, named_table]), ets:new(?BINARY_TABLE, [set, named_table]), ets:new(?COLLECTION_TABLE, [set, public, named_table]), + ets:new(?COLLECTION_CLAUSE_TABLE, [set, public, named_table]), process_flag(trap_exit,true), Starter ! {?SERVER,started}, main_process_loop(#main_state{}). @@ -757,6 +761,7 @@ main_process_loop(State) -> init_remote(Starter,MainNode) -> register(?SERVER,self()), ets:new(?COVER_TABLE, [set, public, named_table]), + ets:new(?COVER_CLAUSE_TABLE, [set, public, named_table]), Starter ! {self(),started}, remote_process_loop(#remote_state{main_node=MainNode}). @@ -819,27 +824,27 @@ remote_process_loop(State) -> end. do_collect(Module, CollectorPid, From) -> - MS = + AllClauses = case Module of - '_' -> ets:fun2ms(fun({M,C}) when is_atom(M) -> C end); - _ -> ets:fun2ms(fun({M,C}) when M=:=Module -> C end) + '_' -> ets:tab2list(?COVER_CLAUSE_TABLE); + _ -> ets:lookup(?COVER_CLAUSE_TABLE, Module) end, - AllClauses = lists:flatten(ets:select(?COVER_TABLE,MS)), %% Sending clause by clause in order to avoid large lists - lists:foreach( - fun({M,F,A,C,_L}) -> - Pattern = - {#bump{module=M, function=F, arity=A, clause=C}, '_'}, - Bumps = ets:match_object(?COVER_TABLE, Pattern), - %% Reset - lists:foreach(fun({Bump,_N}) -> - ets:insert(?COVER_TABLE, {Bump,0}) - end, - Bumps), - CollectorPid ! {chunk,Bumps} - end, - AllClauses), + pmap( + fun({_Mod,Clauses}) -> + pmap(fun({M,F,A,C,_L}) -> + Pattern = + {#bump{module=M, function=F, arity=A, clause=C}, '_'}, + Bumps = ets:match_object(?COVER_TABLE, Pattern), + %% Reset + lists:foreach(fun({Bump,_N}) -> + ets:insert(?COVER_TABLE, {Bump,0}) + end, + Bumps), + CollectorPid ! {chunk,Bumps} + end,Clauses) + end,AllClauses), CollectorPid ! done, remote_reply(From, ok). @@ -880,6 +885,9 @@ load_compiled([{Module,File,Binary,InitialTable}|Compiled],Acc) -> load_compiled([],Acc) -> Acc. +insert_initial_data([Item|Items]) when is_atom(element(1,Item)) -> + ets:insert(?COVER_CLAUSE_TABLE, Item), + insert_initial_data(Items); insert_initial_data([Item|Items]) -> ets:insert(?COVER_TABLE, Item), insert_initial_data(Items); @@ -949,15 +957,15 @@ remote_load_compiled(Nodes, [MF | Rest], Acc, ModNum) -> get_data_for_remote_loading({Module,File}) -> [{Module,Binary}] = ets:lookup(?BINARY_TABLE,Module), %%! The InitialTable list will be long if the module is big - what to do?? - InitialTable = ets:select(?COVER_TABLE,ms(Module)), - {Module,File,Binary,InitialTable}. + InitialBumps = ets:select(?COVER_TABLE,ms(Module)), + InitialClauses = ets:lookup(?COVER_CLAUSE_TABLE,Module), + + {Module,File,Binary,InitialBumps ++ InitialClauses}. %% Create a match spec which returns the clause info {Module,InitInfo} and %% all #bump keys for the given module with 0 number of calls. ms(Module) -> - ets:fun2ms(fun({Mod,InitInfo}) when Mod =:= Module -> - {Mod,InitInfo}; - ({Key,_}) when is_record(Key,bump),Key#bump.module=:=Module -> + ets:fun2ms(fun({Key,_}) when Key#bump.module=:=Module -> {Key,0} end). @@ -979,22 +987,12 @@ remote_reset(Module,Nodes) -> %% Collect data from remote nodes - used for analyse or stop(Node) remote_collect(Module,Nodes,Stop) -> - Pids = lists:map( - fun(Node) -> - spawn(fun() -> - ?SPAWN_DBG(remote_collect, - {Module, Nodes, Stop}), - do_collection(Node, Module, Stop) - end) - end, - Nodes), - RefsNPids = [{erlang:monitor(process, Pid),Pid} || Pid <- Pids], - lists:foreach(fun({Ref,Pid}) -> - receive - {'DOWN', Ref, process, Pid, _} -> - ok - end - end,RefsNPids). + pmap(fun(Node) -> + ?SPAWN_DBG(remote_collect, + {Module, Nodes, Stop}), + do_collection(Node, Module, Stop) + end, + Nodes). do_collection(Node, Module, Stop) -> CollectorPid = spawn(fun collector_proc/0), @@ -1241,7 +1239,7 @@ do_compile_beam(Module,Beam) -> %% Store info about all function clauses in database InitInfo = reverse(Vars#vars.init_info), - ets:insert(?COVER_TABLE, {Module, InitInfo}), + ets:insert(?COVER_CLAUSE_TABLE, {Module, InitInfo}), %% Store binary code so it can be loaded on remote nodes ets:insert(?BINARY_TABLE, {Module, Binary}), @@ -1775,9 +1773,8 @@ common_elems(L1, L2) -> %% Collect data for all modules collect(Nodes) -> %% local node - MS = ets:fun2ms(fun({M,C}) when is_atom(M) -> {M,C} end), - AllClauses = ets:select(?COVER_TABLE,MS), - move_modules(AllClauses), + AllClauses = ets:tab2list(?COVER_CLAUSE_TABLE), + pmap(fun move_modules/1,AllClauses), %% remote nodes remote_collect('_',Nodes,false). @@ -1785,7 +1782,7 @@ collect(Nodes) -> %% Collect data for one module collect(Module,Clauses,Nodes) -> %% local node - move_modules([{Module,Clauses}]), + move_modules({Module,Clauses}), %% remote nodes remote_collect(Module,Nodes,false). @@ -1793,12 +1790,9 @@ collect(Module,Clauses,Nodes) -> %% When analysing, the data from the local ?COVER_TABLE is moved to the %% ?COLLECTION_TABLE. Resetting data in ?COVER_TABLE -move_modules([{Module,Clauses}|AllClauses]) -> - ets:insert(?COLLECTION_TABLE,{Module,Clauses}), - move_clauses(Clauses), - move_modules(AllClauses); -move_modules([]) -> - ok. +move_modules({Module,Clauses}) -> + ets:insert(?COLLECTION_CLAUSE_TABLE,{Module,Clauses}), + move_clauses(Clauses). move_clauses([{M,F,A,C,_L}|Clauses]) -> Pattern = {#bump{module=M, function=F, arity=A, clause=C}, '_'}, @@ -1842,12 +1836,12 @@ do_parallel_analysis(Module, Analysis, Level, Loaded, From, State) -> C = case Loaded of {loaded, _File} -> [{Module,Clauses}] = - ets:lookup(?COVER_TABLE,Module), + ets:lookup(?COVER_CLAUSE_TABLE,Module), collect(Module,Clauses,State#main_state.nodes), Clauses; _ -> [{Module,Clauses}] = - ets:lookup(?COLLECTION_TABLE,Module), + ets:lookup(?COLLECTION_CLAUSE_TABLE,Module), Clauses end, R = do_analyse(Module, Analysis, Level, C), @@ -1933,7 +1927,7 @@ do_parallel_analysis_to_file(Module, OutFile, Opts, Loaded, From, State) -> File = case Loaded of {loaded, File0} -> [{Module,Clauses}] = - ets:lookup(?COVER_TABLE,Module), + ets:lookup(?COVER_CLAUSE_TABLE,Module), collect(Module, Clauses, State#main_state.nodes), File0; @@ -2063,7 +2057,7 @@ do_export(Module, OutFile, From, State) -> try is_loaded(Module, State) of {loaded, File} -> [{Module,Clauses}] = - ets:lookup(?COVER_TABLE,Module), + ets:lookup(?COVER_CLAUSE_TABLE,Module), collect(Module, Clauses, State#main_state.nodes), do_export_table([{Module,File}],[],Fd); @@ -2099,7 +2093,7 @@ merge([],ModuleList) -> write_module_data([{Module,File}|ModList],Fd) -> write({file,Module,File},Fd), - [Clauses] = ets:lookup(?COLLECTION_TABLE,Module), + [Clauses] = ets:lookup(?COLLECTION_CLAUSE_TABLE,Module), write(Clauses,Fd), ModuleData = ets:match_object(?COLLECTION_TABLE,{#bump{module=Module},'_'}), do_write_module_data(ModuleData,Fd), @@ -2149,7 +2143,7 @@ do_import_to_table(Fd,ImportFile,Imported,DontImport) -> {Module,Clauses} -> case lists:member(Module,DontImport) of false -> - ets:insert(?COLLECTION_TABLE,{Module,Clauses}); + ets:insert(?COLLECTION_CLAUSE_TABLE,{Module,Clauses}); true -> ok end, @@ -2183,14 +2177,14 @@ do_reset_main_node(Module,Nodes) -> remote_reset(Module,Nodes). do_reset_collection_table(Module) -> - ets:delete(?COLLECTION_TABLE,Module), + ets:delete(?COLLECTION_CLAUSE_TABLE,Module), ets:match_delete(?COLLECTION_TABLE, {#bump{module=Module},'_'}). %% do_reset(Module) -> ok %% The reset is done on a per-clause basis to avoid building %% long lists in the case of very large modules do_reset(Module) -> - [{Module,Clauses}] = ets:lookup(?COVER_TABLE, Module), + [{Module,Clauses}] = ets:lookup(?COVER_CLAUSE_TABLE, Module), do_reset2(Clauses). do_reset2([{M,F,A,C,_L}|Clauses]) -> @@ -2205,7 +2199,7 @@ do_reset2([]) -> ok. do_clear(Module) -> - ets:match_delete(?COVER_TABLE, {Module,'_'}), + ets:match_delete(?COVER_CLAUSE_TABLE, {Module,'_'}), ets:match_delete(?COVER_TABLE, {#bump{module=Module},'_'}), ets:match_delete(?COLLECTION_TABLE, {#bump{module=Module},'_'}). @@ -2245,3 +2239,18 @@ escape_lt_and_gt1([],Acc) -> lists:reverse(Acc); escape_lt_and_gt1([H|T],Acc) -> escape_lt_and_gt1(T,[H|Acc]). + +pmap(Fun,List) -> + Collector = self(), + Pids = lists:map(fun(E) -> + spawn_link(fun() -> + ?SPAWN_DBG(pmap,E), + Collector ! {res,self(),Fun(E)} + end) + end, List), + lists:map(fun(Pid) -> + receive + {res,Pid,Res} -> + Res + end + end, Pids). |