From 24991b9b22ca2bc9dc6e305de97e203c33dc3db7 Mon Sep 17 00:00:00 2001
From: Siri Hansen <siri@erlang.org>
Date: Thu, 12 Feb 2015 11:50:18 +0100
Subject: [test_server] Use new, more efficient functions in cover
---
lib/test_server/src/test_server.erl | 142 +++++++++++++-----------------------
1 file changed, 50 insertions(+), 92 deletions(-)
diff --git a/lib/test_server/src/test_server.erl b/lib/test_server/src/test_server.erl
index 9192a76a17..1d989ce9c8 100644
--- a/lib/test_server/src/test_server.erl
+++ b/lib/test_server/src/test_server.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1996-2014. All Rights Reserved.
+%% Copyright Ericsson AB 1996-2015. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -177,68 +177,35 @@ module_names(Beams) ->
do_cover_compile(Modules) ->
cover:start(),
- pmap1(fun(M) -> do_cover_compile1(M) end,lists:usort(Modules)),
+ Sticky = prepare_cover_compile(Modules,[]),
+ R = cover:compile_beam(Modules),
+ [warn_compile(Error) || Error <- R,element(1,Error)=/=ok],
+ [code:stick_mod(M) || M <- Sticky],
ok.
-do_cover_compile1(M) ->
+warn_compile({error,{Reason,Module}}) ->
+ io:fwrite("\nWARNING: Could not cover compile ~ts: ~p\n",
+ [Module,{error,Reason}]).
+
+%% Make sure all modules are loaded and unstick if sticky
+prepare_cover_compile([M|Ms],Sticky) ->
case {code:is_sticky(M),code:is_loaded(M)} of
{true,_} ->
code:unstick_mod(M),
- case cover:compile_beam(M) of
- {ok,_} ->
- ok;
- Error ->
- io:fwrite("\nWARNING: Could not cover compile ~w: ~p\n",
- [M,Error])
- end,
- code:stick_mod(M);
+ prepare_cover_compile(Ms,[M|Sticky]);
{false,false} ->
case code:load_file(M) of
{module,_} ->
- do_cover_compile1(M);
+ prepare_cover_compile([M|Ms],Sticky);
Error ->
- io:fwrite("\nWARNING: Could not load ~w: ~p\n",[M,Error])
+ io:fwrite("\nWARNING: Could not load ~w: ~p\n",[M,Error]),
+ prepare_cover_compile(Ms,Sticky)
end;
{false,_} ->
- case cover:compile_beam(M) of
- {ok,_} ->
- ok;
- Error ->
- io:fwrite("\nWARNING: Could not cover compile ~w: ~p\n",
- [M,Error])
- end
- end.
-
-pmap1(Fun,List) ->
- NTot = length(List),
- NProcs = erlang:system_info(schedulers) * 2,
- NPerProc = (NTot div NProcs) + 1,
-
- {[],Pids} =
- lists:foldr(
- fun(_,{L,Ps}) ->
- {L1,L2} = if length(L)>=NPerProc -> lists:split(NPerProc,L);
- true -> {L,[]} % last chunk
- end,
- {P,_Ref} =
- spawn_monitor(fun() ->
- exit(lists:map(Fun,L1))
- end),
- {L2,[P|Ps]}
- end,
- {List,[]},
- lists:seq(1,NProcs)),
- collect(Pids,[]).
-
-collect([],Acc) ->
- lists:append(Acc);
-collect([Pid|Pids],Acc) ->
- receive
- {'DOWN', _Ref, process, Pid, Result} ->
- %% collect(lists:delete(Pid,Pids),[Result|Acc])
- collect(Pids,[Result|Acc])
- end.
-
+ prepare_cover_compile(Ms,Sticky)
+ end;
+prepare_cover_compile([],Sticky) ->
+ Sticky.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% cover_analyse(Dir,#cover{level=Analyse,mods=Modules,stop=Stop) ->
@@ -268,45 +235,40 @@ collect([Pid|Pids],Acc) ->
%% after the test is completed.
cover_analyse(Dir,#cover{level=Analyse,mods=Modules,stop=Stop}) ->
io:fwrite(user, "Cover analysing... ", []),
- DetailsFun =
+ {ATFOk,ATFFail} =
case Analyse of
details ->
case cover:export(filename:join(Dir,"all.coverdata")) of
ok ->
- fun(M) ->
- OutFile = filename:join(Dir,
- atom_to_list(M) ++
- ".COVER.html"),
- case cover:analyse_to_file(M,OutFile,[html]) of
- {ok,_} ->
- {file,OutFile};
- Error ->
- Error
- end
- end;
+ {result,Ok1,Fail1} =
+ cover:analyse_to_file(Modules,[{outdir,Dir},html]),
+ {lists:map(fun(OutFile) ->
+ M = list_to_atom(
+ filename:basename(
+ filename:rootname(OutFile,
+ ".COVER.html")
+ )
+ ),
+ {M,{file,OutFile}}
+ end, Ok1),
+ lists:map(fun({Reason,M}) ->
+ {M,{error,Reason}}
+ end, Fail1)};
Error ->
- fun(_) -> Error end
+ {[],lists:map(fun(M) -> {M,Error} end, Modules)}
end;
overview ->
case cover:export(filename:join(Dir,"all.coverdata")) of
ok ->
- fun(_) -> undefined end;
+ {[],lists:map(fun(M) -> {M,undefined} end, Modules)};
Error ->
- fun(_) -> Error end
+ {[],lists:map(fun(M) -> {M,Error} end, Modules)}
end
end,
- R = pmap2(
- fun(M) ->
- case cover:analyse(M,module) of
- {ok,{M,{Cov,NotCov}}} ->
- {M,{Cov,NotCov,DetailsFun(M)}};
- Err ->
- io:fwrite(user,
- "\nWARNING: Analysis failed for ~w. Reason: ~p\n",
- [M,Err]),
- {M,Err}
- end
- end, Modules),
+ {result,AOk,AFail} = cover:analyse(Modules,module),
+ R = merge_analysis_results(AOk,ATFOk++ATFFail,[]) ++
+ [{M,{error,Reason}} || {Reason,M} <- AFail],
+
io:fwrite(user, "done\n\n", []),
case Stop of
@@ -319,19 +281,15 @@ cover_analyse(Dir,#cover{level=Analyse,mods=Modules,stop=Stop}) ->
end,
R.
-pmap2(Fun,List) ->
- Collector = self(),
- Pids = lists:map(fun(E) ->
- spawn(fun() ->
- Collector ! {res,self(),Fun(E)}
- end)
- end, List),
- lists:map(fun(Pid) ->
- receive
- {res,Pid,Res} ->
- Res
- end
- end, Pids).
+merge_analysis_results([{M,{Cov,NotCov}}|T],ATF,Acc) ->
+ case lists:keytake(M,1,ATF) of
+ {value,{_,R},ATF1} ->
+ merge_analysis_results(T,ATF1,[{M,{Cov,NotCov,R}}|Acc]);
+ false ->
+ merge_analysis_results(T,ATF,Acc)
+ end;
+merge_analysis_results([],_,Acc) ->
+ Acc.
do_cover_for_node(Node,CoverFunc) ->
do_cover_for_node(Node,CoverFunc,true).
--
cgit v1.2.3