From ddaa28103a56bd849ed7e91555f3f9deb48aae91 Mon Sep 17 00:00:00 2001
From: Carter Kozak <ckozak@apache.org>
Date: Tue, 3 Aug 2021 17:40:30 -0400
Subject: [PATCH] JCTools AsyncAppender benchmarking

---
 .../jmh/AsyncAppenderLog4j2Benchmark.java     |  5 +--
 ...f5AsyncApndMpscParkQNoLoc-noOpAppender.xml | 32 +++++++++++++++++++
 2 files changed, 35 insertions(+), 2 deletions(-)
 create mode 100644 log4j-perf/src/main/resources/perf5AsyncApndMpscParkQNoLoc-noOpAppender.xml

diff --git a/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/AsyncAppenderLog4j2Benchmark.java b/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/AsyncAppenderLog4j2Benchmark.java
index e598a9ca948..bd5114d2383 100644
--- a/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/AsyncAppenderLog4j2Benchmark.java
+++ b/log4j-perf/src/main/java/org/apache/logging/log4j/perf/jmh/AsyncAppenderLog4j2Benchmark.java
@@ -66,8 +66,8 @@
 //
 @State(Scope.Benchmark)
 @Fork(1)
-@Warmup(iterations = 10)
-@Measurement(iterations = 20)
+@Warmup(iterations = 4, time = 4)
+@Measurement(iterations = 4, time = 4)
 @Threads(1)
 public class AsyncAppenderLog4j2Benchmark {
     Logger logger;
@@ -76,6 +76,7 @@ public class AsyncAppenderLog4j2Benchmark {
         "perf5AsyncApndNoLoc-noOpAppender.xml",
         "perf5AsyncApndDsrptrNoLoc-noOpAppender.xml",
         "perf5AsyncApndMpscQNoLoc-noOpAppender.xml",
+        "perf5AsyncApndMpscParkQNoLoc-noOpAppender.xml",
         "perf5AsyncApndXferQNoLoc-noOpAppender.xml"
     })
     public String configFileName;
diff --git a/log4j-perf/src/main/resources/perf5AsyncApndMpscParkQNoLoc-noOpAppender.xml b/log4j-perf/src/main/resources/perf5AsyncApndMpscParkQNoLoc-noOpAppender.xml
new file mode 100644
index 00000000000..4b578c26f92
--- /dev/null
+++ b/log4j-perf/src/main/resources/perf5AsyncApndMpscParkQNoLoc-noOpAppender.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements. See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You 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.
+  -->
+<Configuration status="OFF">
+  <Appenders>
+    <CountingNoOp name="NoOp">
+    </CountingNoOp>
+    <Async name="Async" blocking="true" bufferSize="262144">
+      <appender-ref ref="NoOp"/>
+      <JCToolsBlockingQueue waitStrategy="PARK"/>
+    </Async>
+  </Appenders>
+  <Loggers>
+    <Root level="info" includeLocation="false">
+      <appender-ref ref="Async"/>
+    </Root>
+  </Loggers>
+</Configuration>