1.1: add creation instant to slf4j marker

build.gradle

@@ -4,7 +4,7 @@ plugins {
     id 'jacoco'
     id 'org.jetbrains.kotlin.jvm' version '1.4.32'
     id 'ru.kontur.kinfra.presets' version '1.5'
-    id 'me.champeau.gradle.jmh' version '0.5.3'
+    id 'me.champeau.jmh' version '0.6.6'
 }
 
 ext {
@@ -23,7 +23,7 @@ ext {
 }
 
 group = "ru.kontur.kinfra"
-version = "1.0"
+version = "1.1"
 
 dependencies {
     implementation libs.slf4jApi
@@ -71,7 +71,7 @@ publishing {
 }
 
 jmh {
-    include = ["benchmarks.SimpleLogging.*"]
+    includes = ["benchmarks.*"]
     benchmarkMode = ["avgt"]
     batchSize = 100_000
     iterations = 10

src/main/kotlin/ru/kontur/kinfra/logging/backend/slf4j/LoggingRequestMarker.kt

@@ -3,6 +3,7 @@ package ru.kontur.kinfra.logging.backend.slf4j
 import org.slf4j.Marker
 import org.slf4j.MarkerFactory
 import ru.kontur.kinfra.logging.backend.LoggingRequest
+import java.time.Instant
 
 /**
  * Marker that allows an SLF4J implementation to access [LoggingRequest].
@@ -14,6 +15,13 @@ public class LoggingRequestMarker private constructor(
     private val delegate: Marker
 ) : Marker by delegate {
 
+    /**
+     * Time of creation of this marker.
+     *
+     * Provides higher resolution than `LoggingEvent.getTimeStamp()` from Logback 1.2.
+     */
+    public val createdAt: Instant = Instant.now()
+
     public constructor(request: LoggingRequest) : this(request, MarkerFactory.getDetachedMarker(NAME))
 
     // Serialize a plain marker without non-serializable LoggingRequest