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-rw-r--r--lib/kernel/doc/src/logger.xml260
1 files changed, 172 insertions, 88 deletions
diff --git a/lib/kernel/doc/src/logger.xml b/lib/kernel/doc/src/logger.xml
index 556f25f96a..e6448e144e 100644
--- a/lib/kernel/doc/src/logger.xml
+++ b/lib/kernel/doc/src/logger.xml
@@ -32,7 +32,7 @@
<rev>A</rev>
<file>logger.xml</file>
</header>
- <module>logger</module>
+ <module since="OTP 21.0">logger</module>
<modulesummary>API module for Logger, the standard logging facility
in Erlang/OTP.</modulesummary>
@@ -190,7 +190,7 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
<list>
<item><c>pid => self()</c></item>
<item><c>gl => group_leader()</c></item>
- <item><c>time => erlang:system_time(microsecond)</c></item>
+ <item><c>time => logger:timestamp()</c></item>
</list>
<p>When a log macro is used, Logger also inserts location
information:</p>
@@ -245,6 +245,12 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</desc>
</datatype>
<datatype>
+ <name name="olp_config"/>
+ <desc>
+ <p></p>
+ </desc>
+ </datatype>
+ <datatype>
<name name="primary_config"/>
<desc>
<p>Primary configuration data for Logger. The following
@@ -282,8 +288,8 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
<name name="timestamp"/>
<desc>
<p>A timestamp produced
- with <seealso marker="erts:erlang#system_time-1">
- <c>erlang:system_time(microsecond)</c></seealso>.</p>
+ with <seealso marker="#timestamp-0">
+ <c>logger:timestamp()</c></seealso>.</p>
</desc>
</datatype>
</datatypes>
@@ -334,9 +340,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</section>
<funcs>
<func>
- <name>emergency(StringOrReport[,Metadata])</name>
- <name>emergency(Format,Args[,Metadata])</name>
- <name>emergency(Fun,FunArgs[,Metadata])</name>
+ <name since="OTP 21.0">emergency(StringOrReport[,Metadata])</name>
+ <name since="OTP 21.0">emergency(Format,Args[,Metadata])</name>
+ <name since="OTP 21.0">emergency(Fun,FunArgs[,Metadata])</name>
<fsummary>Logs the given message as level <c>emergency</c>.</fsummary>
<desc>
<p>Equivalent to
@@ -345,9 +351,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</func>
<func>
- <name>alert(StringOrReport[,Metadata])</name>
- <name>alert(Format,Args[,Metadata])</name>
- <name>alert(Fun,FunArgs[,Metadata])</name>
+ <name since="OTP 21.0">alert(StringOrReport[,Metadata])</name>
+ <name since="OTP 21.0">alert(Format,Args[,Metadata])</name>
+ <name since="OTP 21.0">alert(Fun,FunArgs[,Metadata])</name>
<fsummary>Logs the given message as level <c>alert</c>.</fsummary>
<desc>
<p>Equivalent to
@@ -356,9 +362,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</func>
<func>
- <name>critical(StringOrReport[,Metadata])</name>
- <name>critical(Format,Args[,Metadata])</name>
- <name>critical(Fun,FunArgs[,Metadata])</name>
+ <name since="OTP 21.0">critical(StringOrReport[,Metadata])</name>
+ <name since="OTP 21.0">critical(Format,Args[,Metadata])</name>
+ <name since="OTP 21.0">critical(Fun,FunArgs[,Metadata])</name>
<fsummary>Logs the given message as level <c>critical</c>.</fsummary>
<desc>
<p>Equivalent to
@@ -367,9 +373,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</func>
<func>
- <name>error(StringOrReport[,Metadata])</name>
- <name>error(Format,Args[,Metadata])</name>
- <name>error(Fun,FunArgs[,Metadata])</name>
+ <name since="OTP 21.0">error(StringOrReport[,Metadata])</name>
+ <name since="OTP 21.0">error(Format,Args[,Metadata])</name>
+ <name since="OTP 21.0">error(Fun,FunArgs[,Metadata])</name>
<fsummary>Logs the given message as level <c>error</c>.</fsummary>
<desc>
<p>Equivalent to
@@ -378,9 +384,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</func>
<func>
- <name>warning(StringOrReport[,Metadata])</name>
- <name>warning(Format,Args[,Metadata])</name>
- <name>warning(Fun,FunArgs[,Metadata])</name>
+ <name since="OTP 21.0">warning(StringOrReport[,Metadata])</name>
+ <name since="OTP 21.0">warning(Format,Args[,Metadata])</name>
+ <name since="OTP 21.0">warning(Fun,FunArgs[,Metadata])</name>
<fsummary>Logs the given message as level <c>warning</c>.</fsummary>
<desc>
<p>Equivalent to
@@ -389,9 +395,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</func>
<func>
- <name>notice(StringOrReport[,Metadata])</name>
- <name>notice(Format,Args[,Metadata])</name>
- <name>notice(Fun,FunArgs[,Metadata])</name>
+ <name since="OTP 21.0">notice(StringOrReport[,Metadata])</name>
+ <name since="OTP 21.0">notice(Format,Args[,Metadata])</name>
+ <name since="OTP 21.0">notice(Fun,FunArgs[,Metadata])</name>
<fsummary>Logs the given message as level <c>notice</c>.</fsummary>
<desc>
<p>Equivalent to
@@ -400,9 +406,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</func>
<func>
- <name>info(StringOrReport[,Metadata])</name>
- <name>info(Format,Args[,Metadata])</name>
- <name>info(Fun,FunArgs[,Metadata])</name>
+ <name since="OTP 21.0">info(StringOrReport[,Metadata])</name>
+ <name since="OTP 21.0">info(Format,Args[,Metadata])</name>
+ <name since="OTP 21.0">info(Fun,FunArgs[,Metadata])</name>
<fsummary>Logs the given message as level <c>info</c>.</fsummary>
<desc>
<p>Equivalent to
@@ -411,9 +417,9 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</func>
<func>
- <name>debug(StringOrReport[,Metadata])</name>
- <name>debug(Format,Args[,Metadata])</name>
- <name>debug(Fun,FunArgs[,Metadata])</name>
+ <name since="OTP 21.0">debug(StringOrReport[,Metadata])</name>
+ <name since="OTP 21.0">debug(Format,Args[,Metadata])</name>
+ <name since="OTP 21.0">debug(Fun,FunArgs[,Metadata])</name>
<fsummary>Logs the given message as level <c>debug</c>.</fsummary>
<desc>
<p>Equivalent to
@@ -422,12 +428,12 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</func>
<func>
- <name name="log" arity="2"/>
- <name name="log" arity="3" clause_i="1"/>
- <name name="log" arity="3" clause_i="2"/>
- <name name="log" arity="3" clause_i="3"/>
- <name name="log" arity="4" clause_i="1"/>
- <name name="log" arity="4" clause_i="2"/>
+ <name name="log" arity="2" since="OTP 21.0"/>
+ <name name="log" arity="3" clause_i="1" since="OTP 21.0"/>
+ <name name="log" arity="3" clause_i="2" since="OTP 21.0"/>
+ <name name="log" arity="3" clause_i="3" since="OTP 21.0"/>
+ <name name="log" arity="4" clause_i="1" since="OTP 21.0"/>
+ <name name="log" arity="4" clause_i="2" since="OTP 21.0"/>
<fsummary>Logs the given message.</fsummary>
<type variable="Level"/>
<type variable="StringOrReport" name_i="1"/>
@@ -448,7 +454,7 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</section>
<funcs>
<func>
- <name name="add_handler" arity="3"/>
+ <name name="add_handler" arity="3" since="OTP 21.0"/>
<fsummary>Add a handler with the given configuration.</fsummary>
<desc>
<p>Add a handler with the given configuration.</p>
@@ -459,7 +465,7 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</func>
<func>
- <name name="add_handler_filter" arity="3"/>
+ <name name="add_handler_filter" arity="3" since="OTP 21.0"/>
<fsummary>Add a filter to the specified handler.</fsummary>
<desc>
<p>Add a filter to the specified handler.</p>
@@ -500,7 +506,7 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</func>
<func>
- <name name="add_handlers" arity="1" clause_i="1"/>
+ <name name="add_handlers" arity="1" clause_i="1" since="OTP 21.0"/>
<fsummary>Set up log handlers from the application's
configuration parameters.</fsummary>
<desc>
@@ -510,7 +516,7 @@ logger:error("error happened because: ~p", [Reason]). % Without macro
</func>
<func>
- <name name="add_handlers" arity="1" clause_i="2"/>
+ <name name="add_handlers" arity="1" clause_i="2" since="OTP 21.0"/>
<fsummary>Setup logger handlers.</fsummary>
<type name="config_handler"/>
<desc>
@@ -553,7 +559,7 @@ start(_, []) ->
</func>
<func>
- <name name="add_primary_filter" arity="2"/>
+ <name name="add_primary_filter" arity="2" since="OTP 21.0"/>
<fsummary>Add a primary filter to Logger.</fsummary>
<desc>
<p>Add a primary filter to Logger.</p>
@@ -594,16 +600,16 @@ start(_, []) ->
</func>
<func>
- <name name="get_config" arity="0"/>
+ <name name="get_config" arity="0" since="OTP 21.0"/>
<fsummary>Look up the current Logger configuration</fsummary>
<desc>
- <p>Look up all current Logger configuration, including primary
- and handler configuration, and module level settings.</p>
+ <p>Look up all current Logger configuration, including primary,
+ handler, and proxy configuration, and module level settings.</p>
</desc>
</func>
<func>
- <name name="get_handler_config" arity="0"/>
+ <name name="get_handler_config" arity="0" since="OTP 21.0"/>
<fsummary>Look up the current configuration for all handlers.</fsummary>
<desc>
<p>Look up the current configuration for all handlers.</p>
@@ -611,7 +617,7 @@ start(_, []) ->
</func>
<func>
- <name name="get_handler_config" arity="1"/>
+ <name name="get_handler_config" arity="1" since="OTP 21.0"/>
<fsummary>Look up the current configuration for the given
handler.</fsummary>
<desc>
@@ -620,7 +626,7 @@ start(_, []) ->
</func>
<func>
- <name name="get_handler_ids" arity="0"/>
+ <name name="get_handler_ids" arity="0" since="OTP 21.0"/>
<fsummary>Look up the identities for all installed handlers.</fsummary>
<desc>
<p>Look up the identities for all installed handlers.</p>
@@ -628,7 +634,7 @@ start(_, []) ->
</func>
<func>
- <name name="get_primary_config" arity="0"/>
+ <name name="get_primary_config" arity="0" since="OTP 21.0"/>
<fsummary>Look up the current primary configuration for Logger.</fsummary>
<desc>
<p>Look up the current primary configuration for Logger.</p>
@@ -636,7 +642,18 @@ start(_, []) ->
</func>
<func>
- <name name="get_module_level" arity="0"/>
+ <name name="get_proxy_config" arity="0" since="OTP 21.3"/>
+ <fsummary>Look up the current configuration for the Logger proxy.</fsummary>
+ <desc>
+ <p>Look up the current configuration for the Logger proxy.</p>
+ <p>For more information about the proxy, see
+ section <seealso marker="logger_chapter#proxy">Logger
+ Proxy</seealso> in the Kernel User's Guide.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="get_module_level" arity="0" since="OTP 21.0"/>
<fsummary>Look up all current module levels.</fsummary>
<desc>
<p>Look up all current module levels. Returns a list
@@ -648,7 +665,7 @@ start(_, []) ->
</func>
<func>
- <name name="get_module_level" arity="1"/>
+ <name name="get_module_level" arity="1" since="OTP 21.0"/>
<fsummary>Look up the current level for the given modules.</fsummary>
<desc>
<p>Look up the current level for the given modules. Returns a
@@ -660,7 +677,7 @@ start(_, []) ->
</func>
<func>
- <name name="get_process_metadata" arity="0"/>
+ <name name="get_process_metadata" arity="0" since="OTP 21.0"/>
<fsummary>Retrieve data set with set_process_metadata/1.</fsummary>
<desc>
<p>Retrieve data set
@@ -672,7 +689,16 @@ start(_, []) ->
</func>
<func>
- <name name="remove_handler" arity="1"/>
+ <name name="i" arity="0" since="OTP 21.3"/>
+ <name name="i" arity="1" since="OTP 21.3"/>
+ <fsummary>Pretty print the Logger configuration.</fsummary>
+ <desc>
+ <p>Pretty print the Logger configuration.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="remove_handler" arity="1" since="OTP 21.0"/>
<fsummary>Remove the handler with the specified identity.</fsummary>
<desc>
<p>Remove the handler identified by <c><anno>HandlerId</anno></c>.</p>
@@ -680,7 +706,7 @@ start(_, []) ->
</func>
<func>
- <name name="remove_handler_filter" arity="2"/>
+ <name name="remove_handler_filter" arity="2" since="OTP 21.0"/>
<fsummary>Remove a filter from the specified handler.</fsummary>
<desc>
<p>Remove the filter identified
@@ -690,7 +716,7 @@ start(_, []) ->
</func>
<func>
- <name name="remove_primary_filter" arity="1"/>
+ <name name="remove_primary_filter" arity="1" since="OTP 21.0"/>
<fsummary>Remove a primary filter from Logger.</fsummary>
<desc>
<p>Remove the primary filter identified
@@ -699,7 +725,7 @@ start(_, []) ->
</func>
<func>
- <name name="set_application_level" arity="2"/>
+ <name name="set_application_level" arity="2" since="OTP 21.1"/>
<fsummary>Set the log level for all modules in the specified application.</fsummary>
<desc>
<p>Set the log level for all the modules of the specified application.</p>
@@ -710,7 +736,7 @@ start(_, []) ->
</func>
<func>
- <name name="set_handler_config" arity="2"/>
+ <name name="set_handler_config" arity="2" since="OTP 21.0"/>
<fsummary>Set configuration data for the specified handler.</fsummary>
<desc>
<p>Set configuration data for the specified handler. This
@@ -731,11 +757,11 @@ start(_, []) ->
</func>
<func>
- <name name="set_handler_config" arity="3" clause_i="1"/>
- <name name="set_handler_config" arity="3" clause_i="2"/>
- <name name="set_handler_config" arity="3" clause_i="3"/>
- <name name="set_handler_config" arity="3" clause_i="4"/>
- <name name="set_handler_config" arity="3" clause_i="5"/>
+ <name name="set_handler_config" arity="3" clause_i="1" since="OTP 21.0"/>
+ <name name="set_handler_config" arity="3" clause_i="2" since="OTP 21.0"/>
+ <name name="set_handler_config" arity="3" clause_i="3" since="OTP 21.0"/>
+ <name name="set_handler_config" arity="3" clause_i="4" since="OTP 21.0"/>
+ <name name="set_handler_config" arity="3" clause_i="5" since="OTP 21.0"/>
<fsummary>Add or update configuration data for the specified
handler.</fsummary>
<type variable="HandlerId"/>
@@ -767,7 +793,7 @@ start(_, []) ->
</func>
<func>
- <name name="set_primary_config" arity="1"/>
+ <name name="set_primary_config" arity="1" since="OTP 21.0"/>
<fsummary>Set primary configuration data for Logger.</fsummary>
<desc>
<p>Set primary configuration data for Logger. This
@@ -785,9 +811,9 @@ start(_, []) ->
</func>
<func>
- <name name="set_primary_config" arity="2" clause_i="1"/>
- <name name="set_primary_config" arity="2" clause_i="2"/>
- <name name="set_primary_config" arity="2" clause_i="3"/>
+ <name name="set_primary_config" arity="2" clause_i="1" since="OTP 21.0"/>
+ <name name="set_primary_config" arity="2" clause_i="2" since="OTP 21.0"/>
+ <name name="set_primary_config" arity="2" clause_i="3" since="OTP 21.0"/>
<fsummary>Add or update primary configuration data for Logger.</fsummary>
<type variable="Level" name_i="1"/>
<type variable="FilterDefault" name_i="2"/>
@@ -801,7 +827,28 @@ start(_, []) ->
</func>
<func>
- <name name="set_module_level" arity="2"/>
+ <name name="set_proxy_config" arity="1" since="OTP 21.3"/>
+ <fsummary>Set configuration data for the Logger proxy.</fsummary>
+ <desc>
+ <p>Set configuration data for the Logger proxy. This
+ overwrites the current proxy configuration. Keys that are not
+ specified in the <c><anno>Config</anno></c> map gets default
+ values.</p>
+ <p>To modify the existing configuration,
+ use <seealso marker="#update_proxy_config-1">
+ <c>update_proxy_config/1</c></seealso>, or, if a more
+ complex merge is needed, read the current configuration
+ with <seealso marker="#get_proxy_config-0"><c>get_proxy_config/0</c>
+ </seealso>, then do the merge before writing the new
+ configuration back with this function.</p>
+ <p>For more information about the proxy, see
+ section <seealso marker="logger_chapter#proxy">Logger
+ Proxy</seealso> in the Kernel User's Guide.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name name="set_module_level" arity="2" since="OTP 21.0"/>
<fsummary>Set the log level for the specified modules.</fsummary>
<desc>
<p>Set the log level for the specified modules.</p>
@@ -841,7 +888,7 @@ start(_, []) ->
</func>
<func>
- <name name="set_process_metadata" arity="1"/>
+ <name name="set_process_metadata" arity="1" since="OTP 21.0"/>
<fsummary>Set metadata to use when logging from current process.</fsummary>
<desc>
<p>Set metadata which Logger shall automatically insert in
@@ -860,7 +907,7 @@ start(_, []) ->
</func>
<func>
- <name name="unset_application_level" arity="1"/>
+ <name name="unset_application_level" arity="1" since="OTP 21.1"/>
<fsummary>Unset the log level for all modules in the specified application.</fsummary>
<desc>
<p>Unset the log level for all the modules of the specified application.</p>
@@ -871,7 +918,7 @@ start(_, []) ->
</func>
<func>
- <name name="unset_module_level" arity="0"/>
+ <name name="unset_module_level" arity="0" since="OTP 21.0"/>
<fsummary>Remove module specific log settings for all modules.</fsummary>
<desc>
<p>Remove module specific log settings. After this, the
@@ -880,7 +927,7 @@ start(_, []) ->
</func>
<func>
- <name name="unset_module_level" arity="1"/>
+ <name name="unset_module_level" arity="1" since="OTP 21.0"/>
<fsummary>Remove module specific log settings for the given
modules.</fsummary>
<desc>
@@ -890,7 +937,7 @@ start(_, []) ->
</func>
<func>
- <name name="unset_process_metadata" arity="0"/>
+ <name name="unset_process_metadata" arity="0" since="OTP 21.0"/>
<fsummary>Delete data set with set_process_metadata/1.</fsummary>
<desc>
<p>Delete data set
@@ -902,7 +949,7 @@ start(_, []) ->
</func>
<func>
- <name name="update_formatter_config" arity="2"/>
+ <name name="update_formatter_config" arity="2" since="OTP 21.0"/>
<fsummary>Update the formatter configuration for the specified handler.</fsummary>
<desc>
<p>Update the formatter configuration for the specified handler.</p>
@@ -917,7 +964,7 @@ start(_, []) ->
</func>
<func>
- <name name="update_formatter_config" arity="3"/>
+ <name name="update_formatter_config" arity="3" since="OTP 21.0"/>
<fsummary>Update the formatter configuration for the specified handler.</fsummary>
<desc>
<p>Update the formatter configuration for the specified handler.</p>
@@ -928,7 +975,7 @@ start(_, []) ->
</func>
<func>
- <name name="update_handler_config" arity="2"/>
+ <name name="update_handler_config" arity="2" since="OTP 21.0"/>
<fsummary>Update configuration data for the specified handler.</fsummary>
<desc>
<p>Update configuration data for the specified handler. This function
@@ -944,11 +991,11 @@ logger:set_handler_config(HandlerId, maps:merge(Old, Config)).
</func>
<func>
- <name name="update_handler_config" arity="3" clause_i="1"/>
- <name name="update_handler_config" arity="3" clause_i="2"/>
- <name name="update_handler_config" arity="3" clause_i="3"/>
- <name name="update_handler_config" arity="3" clause_i="4"/>
- <name name="update_handler_config" arity="3" clause_i="5"/>
+ <name name="update_handler_config" arity="3" clause_i="1" since="OTP 21.2"/>
+ <name name="update_handler_config" arity="3" clause_i="2" since="OTP 21.2"/>
+ <name name="update_handler_config" arity="3" clause_i="3" since="OTP 21.2"/>
+ <name name="update_handler_config" arity="3" clause_i="4" since="OTP 21.2"/>
+ <name name="update_handler_config" arity="3" clause_i="5" since="OTP 21.2"/>
<fsummary>Add or update configuration data for the specified
handler.</fsummary>
<type variable="HandlerId"/>
@@ -980,7 +1027,7 @@ logger:set_handler_config(HandlerId, maps:merge(Old, Config)).
</func>
<func>
- <name name="update_primary_config" arity="1"/>
+ <name name="update_primary_config" arity="1" since="OTP 21.0"/>
<fsummary>Update primary configuration data for Logger.</fsummary>
<desc>
<p>Update primary configuration data for Logger. This function
@@ -996,7 +1043,7 @@ logger:set_primary_config(maps:merge(Old, Config)).
</func>
<func>
- <name name="update_process_metadata" arity="1"/>
+ <name name="update_process_metadata" arity="1" since="OTP 21.0"/>
<fsummary>Set or update metadata to use when logging from
current process.</fsummary>
<desc>
@@ -1013,6 +1060,25 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
</seealso>.</p>
</desc>
</func>
+
+ <func>
+ <name name="update_proxy_config" arity="1" since="OTP 21.3"/>
+ <fsummary>Update configuration data for the Logger proxy.</fsummary>
+ <desc>
+ <p>Update configuration data for the Logger proxy. This function
+ behaves as if it was implemented as follows:</p>
+ <code type="erl">
+Old = logger:get_proxy_config(),
+logger:set_proxy_config(maps:merge(Old, Config)).
+ </code>
+ <p>To overwrite the existing configuration without any merge,
+ use <seealso marker="#set_proxy_config-1"><c>set_proxy_config/1</c>
+ </seealso>.</p>
+ <p>For more information about the proxy, see
+ section <seealso marker="logger_chapter#proxy">Logger
+ Proxy</seealso> in the Kernel User's Guide.</p>
+ </desc>
+ </func>
</funcs>
<section>
@@ -1021,7 +1087,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
</section>
<funcs>
<func>
- <name name="compare_levels" arity="2"/>
+ <name name="compare_levels" arity="2" since="OTP 21.0"/>
<fsummary>Compare the severity of two log levels.</fsummary>
<desc>
<p>Compare the severity of two log levels. Returns <c>gt</c>
@@ -1032,7 +1098,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
</func>
<func>
- <name name="format_report" arity="1"/>
+ <name name="format_report" arity="1" since="OTP 21.0"/>
<fsummary>Convert a log message on report form to {Format, Args}.</fsummary>
<desc>
<p>Convert a log message on report form to <c>{Format,
@@ -1051,6 +1117,24 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
a key-value list before formatting as such.</p>
</desc>
</func>
+
+ <func>
+ <name name="timestamp" arity="0" since="OTP @OTP-15625@"/>
+ <fsummary>Return a timestamp to insert in meta data for a log
+ event.</fsummary>
+ <desc>
+ <p>Return a timestamp that can be inserted as the <c>time</c>
+ field in the meta data for a log event. It is produced with
+ <seealso marker="kernel:os#system_time-1">
+ <c>os:system_time(microsecond)</c></seealso>.</p>
+ <p>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.</p>
+ </desc>
+ </func>
+
</funcs>
<section>
@@ -1062,7 +1146,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
<funcs>
<func>
- <name>HModule:adding_handler(Config1) -> {ok, Config2} | {error,
+ <name since="OTP 21.0">HModule:adding_handler(Config1) -> {ok, Config2} | {error,
Reason}</name>
<fsummary>An instance of this handler is about to be added.</fsummary>
<type>
@@ -1088,7 +1172,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
</func>
<func>
- <name>HModule:changing_config(SetOrUpdate, OldConfig, NewConfig) -> {ok, Config} | {error, Reason}</name>
+ <name since="OTP 21.2">HModule:changing_config(SetOrUpdate, OldConfig, NewConfig) -> {ok, Config} | {error, Reason}</name>
<fsummary>The configuration for this handler is about to change.</fsummary>
<type>
<v>SetOrUpdate = set | update</v>
@@ -1126,7 +1210,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
</func>
<func>
- <name>HModule:filter_config(Config) -> FilteredConfig</name>
+ <name since="OTP 21.2">HModule:filter_config(Config) -> FilteredConfig</name>
<fsummary>Remove internal data from configuration.</fsummary>
<type>
<v>Config = FilteredConfig =
@@ -1146,7 +1230,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
</func>
<func>
- <name>HModule:log(LogEvent, Config) -> void()</name>
+ <name since="OTP 21.0">HModule:log(LogEvent, Config) -> void()</name>
<fsummary>Log the given log event.</fsummary>
<type>
<v>LogEvent =
@@ -1169,7 +1253,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
</func>
<func>
- <name>HModule:removing_handler(Config) -> ok</name>
+ <name since="OTP 21.0">HModule:removing_handler(Config) -> ok</name>
<fsummary>The given handler is about to be removed.</fsummary>
<type>
<v>Config =
@@ -1197,7 +1281,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
<funcs>
<func>
- <name>FModule:check_config(FConfig) -> ok | {error, Reason}</name>
+ <name since="OTP 21.0">FModule:check_config(FConfig) -> ok | {error, Reason}</name>
<fsummary>Validate the given formatter configuration.</fsummary>
<type>
<v>FConfig =
@@ -1228,7 +1312,7 @@ logger:set_process_metadata(maps:merge(logger:get_process_metadata(), Meta)).
</desc>
</func>
<func>
- <name>FModule:format(LogEvent, FConfig) -> FormattedLogEntry</name>
+ <name since="OTP 21.0">FModule:format(LogEvent, FConfig) -> FormattedLogEntry</name>
<fsummary>Format the given log event.</fsummary>
<type>
<v>LogEvent =