[camel-performance-tests] branch main updated: (chores) performance: add new test to evaluate the cost of creating certain core objects

[orpiske]

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

orpiske pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/camel-performance-tests.git


The following commit(s) were added to refs/heads/main by this push:
     new 673ac89  (chores) performance: add new test to evaluate the cost of 
creating certain core objects
673ac89 is described below

commit 673ac891681df5eddd631bf89f4d01b38c937d98
Author: Otavio Rodolfo Piske <angusyo...@gmail.com>
AuthorDate: Thu May 11 17:51:47 2023 +0200

    (chores) performance: add new test to evaluate the cost of creating certain 
core objects
---
 .../camel/itest/jmh/CoreObjectsCreationTest.java   | 77 ++++++++++++++++++++++
 1 file changed, 77 insertions(+)

diff --git 
a/tests/camel-jmh/src/test/java/org/apache/camel/itest/jmh/CoreObjectsCreationTest.java
 
b/tests/camel-jmh/src/test/java/org/apache/camel/itest/jmh/CoreObjectsCreationTest.java
new file mode 100644
index 0000000..8f93e3d
--- /dev/null
+++ 
b/tests/camel-jmh/src/test/java/org/apache/camel/itest/jmh/CoreObjectsCreationTest.java
@@ -0,0 +1,77 @@
+package org.apache.camel.itest.jmh;
+
+import java.util.concurrent.TimeUnit;
+
+import org.apache.camel.CamelContext;
+import org.apache.camel.impl.DefaultCamelContext;
+import org.apache.camel.support.DefaultExchange;
+import org.apache.camel.support.DefaultMessage;
+import org.junit.jupiter.api.Test;
+import org.openjdk.jmh.annotations.Benchmark;
+import org.openjdk.jmh.annotations.BenchmarkMode;
+import org.openjdk.jmh.annotations.Level;
+import org.openjdk.jmh.annotations.Mode;
+import org.openjdk.jmh.annotations.OutputTimeUnit;
+import org.openjdk.jmh.annotations.Scope;
+import org.openjdk.jmh.annotations.Setup;
+import org.openjdk.jmh.annotations.State;
+import org.openjdk.jmh.infra.Blackhole;
+import org.openjdk.jmh.results.format.ResultFormatType;
+import org.openjdk.jmh.runner.Runner;
+import org.openjdk.jmh.runner.options.Options;
+import org.openjdk.jmh.runner.options.OptionsBuilder;
+
+/**
+ * This tests the cost of creating exchanges.
+ */
+public class CoreObjectsCreationTest {
+
+    @Test
+    public void launchBenchmark() throws Exception {
+        Options opt = new OptionsBuilder()
+                // Specify which benchmarks to run.
+                // You can be more specific if you'd like to run only one 
benchmark per test.
+                .include(this.getClass().getName() + ".*")
+                // Set the following options as needed
+                .measurementIterations(10)
+                .warmupIterations(5)
+                .forks(1)
+                .resultFormat(ResultFormatType.JSON)
+                .result(this.getClass().getSimpleName() + ".jmh.json")
+                .build();
+
+        new Runner(opt).run();
+    }
+
+    // The JMH samples are the best documentation for how to use it
+    // 
http://hg.openjdk.java.net/code-tools/jmh/file/tip/jmh-samples/src/main/java/org/openjdk/jmh/samples/
+    @State(Scope.Benchmark)
+    public static class BenchmarkState {
+        CamelContext context;
+
+        @Setup(Level.Trial)
+        public void initialize() throws Exception {
+            context = new DefaultCamelContext();
+
+            context.start();
+        }
+    }
+
+    @OutputTimeUnit(TimeUnit.MICROSECONDS)
+    @BenchmarkMode(Mode.AverageTime)
+    @Benchmark
+    public void createDefaultExchange(BenchmarkState state, Blackhole bh) {
+        DefaultExchange de = new DefaultExchange(state.context);
+
+        bh.consume(de);
+    }
+
+    @OutputTimeUnit(TimeUnit.MICROSECONDS)
+    @BenchmarkMode(Mode.AverageTime)
+    @Benchmark
+    public void createDefaultMessage(BenchmarkState state, Blackhole bh) {
+        DefaultMessage dm = new DefaultMessage(state.context);
+
+        bh.consume(dm);
+    }
+}