diff options
Diffstat (limited to 'erts/emulator/test/socket_test_ttest_lib.erl')
-rw-r--r-- | erts/emulator/test/socket_test_ttest_lib.erl | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/erts/emulator/test/socket_test_ttest_lib.erl b/erts/emulator/test/socket_test_ttest_lib.erl new file mode 100644 index 0000000000..7fc13df46a --- /dev/null +++ b/erts/emulator/test/socket_test_ttest_lib.erl @@ -0,0 +1,127 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2018-2018. All Rights Reserved. +%% +%% 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% +%% + +-module(socket_test_ttest_lib). + +-compile({no_auto_import, [error/2]}). + +-export([ + t/0, tdiff/2, + formated_timestamp/0, format_timestamp/1, + format_time/1, + + formated_process_stats/1, formated_process_stats/2, + + format/2, + error/1, error/2, + info/1, info/2 + ]). + +%% ========================================================================== + +t() -> + os:timestamp(). + +tdiff({A1, B1, C1} = _T1x, {A2, B2, C2} = _T2x) -> + T1 = A1*1000000000+B1*1000+(C1 div 1000), + T2 = A2*1000000000+B2*1000+(C2 div 1000), + T2 - T1. + +formated_timestamp() -> + format_timestamp(os:timestamp()). + +format_timestamp({_N1, _N2, N3} = TS) -> + {_Date, Time} = calendar:now_to_local_time(TS), + {Hour,Min,Sec} = Time, + FormatTS = io_lib:format("~.2.0w:~.2.0w:~.2.0w.4~w", + [Hour, Min, Sec, round(N3/1000)]), + lists:flatten(FormatTS). + +%% Time is always in number os ms (milli seconds) +%% At some point, we should convert this to a more readable format... +format_time(T) when (T < 1000) -> + format("~w ms", [T]); +format_time(T) -> + format("~w sec (~w ms)", [T div 1000, T]). + + +formated_process_stats(Pid) -> + formated_process_stats("", Pid). + +formated_process_stats(Prefix, Pid) when is_list(Prefix) andalso is_pid(Pid) -> + try + begin + TotHeapSz = pi(Pid, total_heap_size), + HeapSz = pi(Pid, heap_size), + StackSz = pi(Pid, stack_size), + Reds = pi(Pid, reductions), + GCInfo = pi(Pid, garbage_collection), + MinBinVHeapSz = proplists:get_value(min_bin_vheap_size, GCInfo), + MinHeapSz = proplists:get_value(min_heap_size, GCInfo), + MinGCS = proplists:get_value(minor_gcs, GCInfo), + format("~n ~sTotal Heap Size: ~p" + "~n ~sHeap Size: ~p" + "~n ~sStack Size: ~p" + "~n ~sReductions: ~p" + "~n ~s[GC] Min Bin VHeap Size: ~p" + "~n ~s[GC] Min Heap Size: ~p" + "~n ~s[GC] Minor GCS: ~p", + [Prefix, TotHeapSz, + Prefix, HeapSz, + Prefix, StackSz, + Prefix, Reds, + Prefix, MinBinVHeapSz, + Prefix, MinHeapSz, + Prefix, MinGCS]) + end + catch + _:_:_ -> + "" + end. + + +pi(Pid, Item) -> + {Item, Info} = process_info(Pid, Item), + Info. + + + +%% ========================================================================== + +format(F, A) -> + lists:flatten(io_lib:format(F, A)). + +error(F) -> + error(F, []). + +error(F, A) -> + print(get(sname), "<ERROR> " ++ F, A). + +info(F) -> + info(F, []). + +info(F, A) -> + print(get(sname), "<INFO> " ++ F, A). + +print(undefined, F, A) -> + print("- ", F, A); +print(Prefix, F, A) -> + io:format("[~s, ~s] " ++ F ++ "~n", [formated_timestamp(), Prefix |A]). + |