diff options
Diffstat (limited to 'erts/emulator/test/erts_debug_SUITE.erl')
| -rw-r--r-- | erts/emulator/test/erts_debug_SUITE.erl | 92 |
1 files changed, 65 insertions, 27 deletions
diff --git a/erts/emulator/test/erts_debug_SUITE.erl b/erts/emulator/test/erts_debug_SUITE.erl index e5c904cfb9..35677f9953 100644 --- a/erts/emulator/test/erts_debug_SUITE.erl +++ b/erts/emulator/test/erts_debug_SUITE.erl @@ -3,16 +3,17 @@ %% %% Copyright Ericsson AB 2005-2012. 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 -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. -%% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at +%% +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% @@ -71,6 +72,11 @@ test_size(Config) when is_list(Config) -> 4 = do_test_size(#{}), 32 = do_test_size(#{b => 2,c => 3,txt => "hello world"}), + true = do_test_size(maps:from_list([{I,I}||I<-lists:seq(1,256)])) >= map_size_lower_bound(256), + true = do_test_size(maps:from_list([{I,I}||I<-lists:seq(1,4096)])) >= map_size_lower_bound(4096), + true = do_test_size(maps:from_list([{I,I}||I<-lists:seq(1,254)])) >= map_size_lower_bound(254), + true = do_test_size(maps:from_list([{I,I}||I<-lists:seq(1,239)])) >= map_size_lower_bound(239), + %% Test internal consistency of sizes, but without testing %% exact sizes. Const = id(42), @@ -92,14 +98,14 @@ test_size(Config) when is_list(Config) -> %% Test shared data structures. do_test_size([ConsCell1|ConsCell1], - 3*ConsCellSz, - 2*ConsCellSz), + 3*ConsCellSz, + 2*ConsCellSz), do_test_size(fun() -> {ConsCell1,ConsCell2} end, - FunSz2 + 2*ConsCellSz, - FunSz2 + ConsCellSz), + FunSz2 + 2*ConsCellSz, + FunSz2 + ConsCellSz), do_test_size({SimplestFun,SimplestFun}, - 2*FunSz0+do_test_size({a,b}), - FunSz0+do_test_size({a,b})), + 2*FunSz0+do_test_size({a,b}), + FunSz0+do_test_size({a,b})), M = id(#{ "atom" => first, i => 0}), do_test_size([M,M#{ "atom" := other },M#{i := 42}],54,32), @@ -113,6 +119,13 @@ do_test_size(Term, FlatSz, Sz) -> FlatSz = erts_debug:flat_size(Term), Sz = erts_debug:size(Term). +map_size_lower_bound(N) -> + %% this est. is a bit lower that actual lower bound + %% number of internal nodes + T = (N - 1) div 15, + %% total words + 2 + 17 * T + 2 * N. + flat_size_big(Config) when is_list(Config) -> %% Build a term whose external size only fits in a big num (on 32-bit CPU). flat_size_big_1(16#11111111111111117777777777777777888889999, 0, 16#FFFFFFF). @@ -126,23 +139,48 @@ flat_size_big_1(Term, Size0, Limit) when Size0 < Limit -> flat_size_big_1(_, _, _) -> ok. df(Config) when is_list(Config) -> - ?line P0 = pps(), - ?line PrivDir = ?config(priv_dir, Config), - ?line ok = file:set_cwd(PrivDir), - ?line erts_debug:df(?MODULE), - ?line Beam = filename:join(PrivDir, ?MODULE_STRING++".dis"), - ?line {ok,Bin} = file:read_file(Beam), - ?line ok = io:put_chars(binary_to_list(Bin)), - ?line ok = file:delete(Beam), - ?line true = (P0 == pps()), + P0 = pps(), + PrivDir = ?config(priv_dir, Config), + ok = file:set_cwd(PrivDir), + + AllLoaded = [M || {M,_} <- code:all_loaded()], + {Pid,Ref} = spawn_monitor(fun() -> df_smoke(AllLoaded) end), + receive + {'DOWN',Ref,process,Pid,Status} -> + normal = Status + after 20*1000 -> + %% Not finished (i.e. a slow computer). Stop now. + Pid ! stop, + receive + {'DOWN',Ref,process,Pid,Status} -> + normal = Status, + io:format("...") + end + end, + io:nl(), + _ = [_ = file:delete(atom_to_list(M) ++ ".dis") || + M <- AllLoaded], + + true = (P0 == pps()), ok. +df_smoke([M|Ms]) -> + io:format("~p", [M]), + erts_debug:df(M), + receive + stop -> + ok + after 0 -> + df_smoke(Ms) + end; +df_smoke([]) -> ok. + pps() -> {erlang:ports()}. instructions(Config) when is_list(Config) -> - ?line Is = erts_debug:instructions(), - ?line _ = [list_to_atom(I) || I <- Is], + Is = erts_debug:instructions(), + _ = [list_to_atom(I) || I <- Is], ok. id(I) -> |