diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/kernel/test/logger_stress_SUITE.erl | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/lib/kernel/test/logger_stress_SUITE.erl b/lib/kernel/test/logger_stress_SUITE.erl index 4072e8c86a..a62b03841d 100644 --- a/lib/kernel/test/logger_stress_SUITE.erl +++ b/lib/kernel/test/logger_stress_SUITE.erl @@ -67,6 +67,8 @@ all() -> reject_events, std_handler, disk_log_handler, + std_handler_time, + disk_log_handler_time, emulator_events, remote_events, remote_to_disk_log, @@ -123,6 +125,14 @@ std_handler(cleanup,_Config) -> _ = file:delete("default.log"), ok. +%% Disable overload protection and just print a lot - measure time. +%% The IOPS reported is the number of log events written per millisecond. +std_handler_time(Config) -> + measure_handler_time(logger_std_h,#{type=>{file,"default.log"}},Config). +std_handler_time(cleanup,_Config) -> + _ = file:delete("default.log"), + ok. + %% Cascading failure that produce gen_server and proc_lib reports - %% how many of the produced log events are actually written to a log %% with logger_disk_log_h wrap file handler. @@ -140,6 +150,14 @@ disk_log_handler(cleanup,_Config) -> [_ = file:delete(F) || F <- Files], ok. +%% Disable overload protection and just print a lot - measure time. +%% The IOPS reported is the number of log events written per millisecond. +disk_log_handler_time(Config) -> + measure_handler_time(logger_disk_log_h,#{type=>halt},Config). +disk_log_handler_time(cleanup,_Config) -> + _ = file:delete("default"), + ok. + %% Cascading failure that produce log events from the emulator - how %% many of the produced log events pass through the proxy. emulator_events(Config) -> @@ -221,6 +239,49 @@ remote_emulator_to_disk_log(cleanup,_Config) -> %%%----------------------------------------------------------------- %%% Internal functions +measure_handler_time(Module,HCfg,Config) -> + N = 100000, + {ok,_,Node} = + logger_test_lib:setup( + Config, + [{logger, + [{handler,default,Module, + #{formatter => {logger_formatter, + #{legacy_header=>false,single_line=>true%% , + %% chars_limit=>4096 + }}, + config=>maps:merge(#{sync_mode_qlen => N+1, + drop_mode_qlen => N+1, + flush_qlen => N+1, + burst_limit_enable => false, + filesync_repeat_interval => no_repeat}, + HCfg)}}]}]), + HPid = rpc:call(Node,erlang,whereis,[?name_to_reg_name(Module,default)]), + {links,[_,FCPid]} = rpc:call(Node,erlang,process_info,[HPid,links]), + T0 = erlang:monotonic_time(millisecond), + ok = rpc:call(Node,?MODULE,nlogs_wait,[N,Module]), + %% ok = rpc:call(Node,fprof,apply,[fun ?MODULE:nlogs_wait/2,[N div 10,Module],[{procs,[HPid,FCPid]}]]), + T1 = erlang:monotonic_time(millisecond), + T = T1-T0, + IOPS = N/T, + %% Stats = rpc:call(Node,logger_olp,info,[?name_to_reg_name(Module,default)]), + %% ct:pal("IOPS: ~p~nStats: ~p",[IOPS,Stats]), + ct_event:notify(#event{name = benchmark_data, + data = [{value,IOPS}]}), + {comment,io_lib:format("~.2f events written pr millisecond",[IOPS])}. + +nlogs_wait(N,Module) -> + nlogs(N), + wait(Module). + +wait(Module) -> + case Module:filesync(default) of + {error,handler_busy} -> + wait(Module); + ok -> + ok + end. + nlogs(N) -> group_leader(whereis(user),self()), Str = "\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ" |