[logging-log4j2] 02/16: LOG4J2-3393 Create JTL benchmark main() for easy testing.

[vy...@apache.org]

This is an automated email from the ASF dual-hosted git repository.

vy pushed a commit to branch LOG4J2-3393
in repository https://gitbox.apache.org/repos/asf/logging-log4j2.git

commit cdade7459c359397a3c861997d7f39a1c9cf1f2d
Author: Volkan Yazici <vo...@yazi.ci>
AuthorDate: Mon Feb 7 10:54:30 2022 +0100

    LOG4J2-3393 Create JTL benchmark main() for easy testing.
---
 .../template/json/JsonTemplateLayoutBenchmark.java | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/log4j-perf/src/main/java/org/apache/logging/log4j/layout/template/json/JsonTemplateLayoutBenchmark.java b/log4j-perf/src/main/java/org/apache/logging/log4j/layout/template/json/JsonTemplateLayoutBenchmark.java
index 1099625..dce0690 100644
--- a/log4j-perf/src/main/java/org/apache/logging/log4j/layout/template/json/JsonTemplateLayoutBenchmark.java
+++ b/log4j-perf/src/main/java/org/apache/logging/log4j/layout/template/json/JsonTemplateLayoutBenchmark.java
@@ -21,6 +21,7 @@ import org.apache.logging.log4j.core.LogEvent;
 import org.apache.logging.log4j.core.layout.ByteBufferDestination;
 import org.openjdk.jmh.annotations.Benchmark;
 
+import java.io.IOException;
 import java.nio.ByteBuffer;
 import java.util.List;
 
@@ -182,4 +183,29 @@ public class JsonTemplateLayoutBenchmark {
         return position;
     }
 
+    public static void main(String[] args) throws IOException {
+        System.out.format("Ready?");
+        System.in.read();
+        JsonTemplateLayoutBenchmarkState state = new JsonTemplateLayoutBenchmarkState();
+        int retryCount = 10_000;
+        measureEcs(state, retryCount);
+        measureJtl(state, retryCount);
+    }
+
+    private static void measureJtl(JsonTemplateLayoutBenchmarkState state, int retryCount) {
+        long startInstantNanos = System.nanoTime();
+        for (int i = 0; i < retryCount; i++) {
+            liteJsonTemplateLayout4EcsLayout(state);
+        }
+        System.out.format("%.3fs%n", (System.nanoTime() - startInstantNanos) / 1e9);
+    }
+
+    private static void measureEcs(JsonTemplateLayoutBenchmarkState state, int retryCount) {
+        long startInstantNanos = System.nanoTime();
+        for (int i = 0; i < retryCount; i++) {
+            liteEcsLayout(state);
+        }
+        System.out.format("%.3fs%n", (System.nanoTime() - startInstantNanos) / 1e9);
+    }
+
 }