From 00678f41aaa14191dc333596fee33075ce515e24 Mon Sep 17 00:00:00 2001 From: Siri Hansen Date: Fri, 22 Feb 2019 14:26:07 +0100 Subject: [logger] Change timestamp from erlang:system_time to os:system_time This is to align the timestamps with external logs. --- lib/kernel/doc/src/logger.xml | 24 +++++++++++++++++++++--- lib/kernel/src/code_server.erl | 10 ++++++++-- lib/kernel/src/logger.erl | 10 ++++++++-- lib/kernel/src/logger_h_common.erl | 2 +- lib/kernel/src/logger_simple_h.erl | 4 ++-- lib/kernel/test/logger_SUITE.erl | 4 ++-- lib/kernel/test/logger_formatter_SUITE.erl | 2 +- 7 files changed, 43 insertions(+), 13 deletions(-) (limited to 'lib') diff --git a/lib/kernel/doc/src/logger.xml b/lib/kernel/doc/src/logger.xml index df2d081d76..e6448e144e 100644 --- a/lib/kernel/doc/src/logger.xml +++ b/lib/kernel/doc/src/logger.xml @@ -190,7 +190,7 @@ logger:error("error happened because: ~p", [Reason]). % Without macro pid => self() gl => group_leader() - time => erlang:system_time(microsecond) + time => logger:timestamp()

When a log macro is used, Logger also inserts location information:

@@ -288,8 +288,8 @@ logger:error("error happened because: ~p", [Reason]). % Without macro

A timestamp produced - with - erlang:system_time(microsecond).

+ with + logger:timestamp().

 @@ -1117,6 +1117,24 @@ logger:set_proxy_config(maps:merge(Old, Config)). a key-value list before formatting as such.

+ + + + Return a timestamp to insert in meta data for a log + event. + +

Return a timestamp that can be inserted as the time + field in the meta data for a log event. It is produced with + + os:system_time(microsecond).

+

Notice that Logger automatically inserts a timestamp in the + meta data unless it already exists. This function is + exported for the rare case when the timestamp must be taken + at a different point in time than when the log event is + issued.

+ + +
diff --git a/lib/kernel/src/code_server.erl b/lib/kernel/src/code_server.erl index 1b4a67ecb7..68e1205301 100644 --- a/lib/kernel/src/code_server.erl +++ b/lib/kernel/src/code_server.erl @@ -1434,19 +1434,25 @@ all_loaded(Db) -> -spec error_msg(io:format(), [term()]) -> 'ok'. error_msg(Format, Args) -> + %% This is equal to calling logger:error/3 which we don't want to + %% do from code_server. We don't want to call logger:timestamp() + %% either. logger ! {log,error,Format,Args, #{pid=>self(), gl=>group_leader(), - time=>erlang:system_time(microsecond), + time=>os:system_time(microsecond), error_logger=>#{tag=>error}}}, ok. -spec info_msg(io:format(), [term()]) -> 'ok'. info_msg(Format, Args) -> + %% This is equal to calling logger:info/3 which we don't want to + %% do from code_server. We don't want to call logger:timestamp() + %% either. logger ! {log,info,Format,Args, #{pid=>self(), gl=>group_leader(), - time=>erlang:system_time(microsecond), + time=>os:system_time(microsecond), error_logger=>#{tag=>info_msg}}}, ok. diff --git a/lib/kernel/src/logger.erl b/lib/kernel/src/logger.erl index 7d36640f52..38bd2f481c 100644 --- a/lib/kernel/src/logger.erl +++ b/lib/kernel/src/logger.erl @@ -61,6 +61,7 @@ -export([set_process_metadata/1, update_process_metadata/1, unset_process_metadata/0, get_process_metadata/0]). -export([i/0, i/1]). +-export([timestamp/0]). %% Basic report formatting -export([format_report/1, format_otp_report/1]). @@ -154,7 +155,8 @@ filter_return/0, config_handler/0, formatter_config/0, - olp_config/0]). + olp_config/0, + timestamp/0]). %%%----------------------------------------------------------------- %%% API @@ -354,6 +356,10 @@ internal_log(Level,Term) when is_atom(Level) -> erlang:display_string("Logger - "++ atom_to_list(Level) ++ ": "), erlang:display(Term). +-spec timestamp() -> timestamp(). +timestamp() -> + os:system_time(microsecond). + %%%----------------------------------------------------------------- %%% Configuration -spec add_primary_filter(FilterId,Filter) -> ok | {error,term()} when @@ -1129,7 +1135,7 @@ proc_meta() -> default(pid) -> self(); default(gl) -> group_leader(); -default(time) -> erlang:system_time(microsecond). +default(time) -> timestamp(). %% Remove everything upto and including this module from the stacktrace filter_stacktrace(Module,[{Module,_,_,_}|_]) -> diff --git a/lib/kernel/src/logger_h_common.erl b/lib/kernel/src/logger_h_common.erl index e69f6de38d..4b5e0a7dd0 100644 --- a/lib/kernel/src/logger_h_common.erl +++ b/lib/kernel/src/logger_h_common.erl @@ -351,7 +351,7 @@ log_handler_info(Name, Format, Args, #{module:=Module, {ok,Conf} -> Conf; _ -> #{formatter=>{?DEFAULT_FORMATTER,?DEFAULT_FORMAT_CONFIG}} end, - Meta = #{time=>erlang:system_time(microsecond)}, + Meta = #{time=>logger:timestamp()}, Bin = log_to_binary(#{level => notice, msg => {Format,Args}, meta => Meta}, Config), diff --git a/lib/kernel/src/logger_simple_h.erl b/lib/kernel/src/logger_simple_h.erl index fe181722f3..a0d51dba25 100644 --- a/lib/kernel/src/logger_simple_h.erl +++ b/lib/kernel/src/logger_simple_h.erl @@ -69,7 +69,7 @@ log(#{msg:=_,meta:=#{time:=_}}=Log,_Config) -> do_log( #{level=>error, msg=>{report,{error,simple_handler_process_dead}}, - meta=>#{time=>erlang:system_time(microsecond)}}), + meta=>#{time=>logger:timestamp()}}), do_log(Log); _ -> ?MODULE ! {log,Log} @@ -129,7 +129,7 @@ drop_msg(0) -> drop_msg(N) -> [#{level=>info, msg=>{"Simple handler buffer full, dropped ~w messages",[N]}, - meta=>#{time=>erlang:system_time(microsecond)}}]. + meta=>#{time=>logger:timestamp()}}]. %%%----------------------------------------------------------------- %%% Internal diff --git a/lib/kernel/test/logger_SUITE.erl b/lib/kernel/test/logger_SUITE.erl index 2dad651f9c..70bb775db8 100644 --- a/lib/kernel/test/logger_SUITE.erl +++ b/lib/kernel/test/logger_SUITE.erl @@ -899,14 +899,14 @@ process_metadata(_Config) -> undefined = logger:get_process_metadata(), {error,badarg} = ?TRY(logger:set_process_metadata(bad)), ok = logger:add_handler(h1,?MODULE,#{level=>notice,filter_default=>log}), - Time = erlang:system_time(microsecond), + Time = logger:timestamp(), ProcMeta = #{time=>Time,line=>0,custom=>proc}, ok = logger:set_process_metadata(ProcMeta), S1 = ?str, ?LOG_NOTICE(S1,#{custom=>macro}), check_logged(notice,S1,#{time=>Time,line=>0,custom=>macro}), - Time2 = erlang:system_time(microsecond), + Time2 = logger:timestamp(), S2 = ?str, ?LOG_NOTICE(S2,#{time=>Time2,line=>1,custom=>macro}), check_logged(notice,S2,#{time=>Time2,line=>1,custom=>macro}), diff --git a/lib/kernel/test/logger_formatter_SUITE.erl b/lib/kernel/test/logger_formatter_SUITE.erl index 8c13f0f908..83e3e6c40a 100644 --- a/lib/kernel/test/logger_formatter_SUITE.erl +++ b/lib/kernel/test/logger_formatter_SUITE.erl @@ -867,7 +867,7 @@ my_try(Fun) -> try Fun() catch C:R:S -> {C,R,hd(S)} end. timestamp() -> - erlang:system_time(microsecond). + logger:timestamp(). %% necessary? add_time(#{time:=_}=Meta) -> -- cgit v1.2.3