Refactor Native Image JFR demo

Author: olyagpl

.github/workflows/native-jfr-demo.yml renamed to .github/workflows/native-image-add-jfr-support.yml

@@ -1,13 +1,13 @@
-name: native-jfr-demo
+name: native-image/add-jfr-support
 on:
   push:
     paths:
-      - 'native-jfr-demo/**'
-      - '.github/workflows/native-jfr-demo.yml'
+      - 'native-image/add-jfr-support/**'
+      - '.github/workflows/native-image-add-jfr-support.yml'
   pull_request:
     paths:
-      - 'native-jfr-demo/**'
-      - '.github/workflows/native-jfr-demo.yml'
+      - 'native-image/add-jfr-support/**'
+      - '.github/workflows/native-image-add-jfr-support.yml'
   schedule:
     - cron: "0 0 1 * *" # run every month
   workflow_dispatch:
@@ -20,7 +20,7 @@ jobs:
     timeout-minutes: 15
     strategy:
       matrix:
-        java-version: ['21', 'dev']
+        java-version: ['21', '24-ea']
     steps:
       - uses: actions/checkout@v4
       - uses: graalvm/setup-graalvm@v1
@@ -31,8 +31,5 @@ jobs:
           native-image-job-reports: 'true'
       - name: Run 'native-jfr-demo'
         run: |
-          cd native-jfr-demo
-          javac JFRDemo.java
-          native-image --enable-monitoring=jfr JFRDemo
-          ./jfrdemo -XX:+FlightRecorder -XX:StartFlightRecording="filename=recording.jfr"
-          jfr print recording.jfr
+          cd native-image/add-jfr-support
+          ./run.sh

native-jfr-demo/.gitignore renamed to native-image/add-jfr-support/.gitignore

@@ -1,4 +1,4 @@
 *.txt
 *.class
-jfrdemo
-*.jfr
+*.jfr
+jfrdemo

native-jfr-demo/JFRDemo.java renamed to native-image/add-jfr-support/JFRDemo.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2023, 2024 Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * The Universal Permissive License (UPL), Version 1.0
@@ -38,8 +38,8 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-import jdk.jfr.Event;
 import jdk.jfr.Description;
+import jdk.jfr.Event;
 import jdk.jfr.Label;
 
  public class JFRDemo {

native-image/add-jfr-support/README.md

@@ -0,0 +1,3 @@
+# Build and Run Native Executables with JFR
+
+You can find the steps to run this demo on [the website](https://www.graalvm.org/latest/reference-manual/native-image/guides/build-and-run-native-executable-with-jfr/).

native-jfr-demo/img/jfr.png renamed to native-image/add-jfr-support/img/jfr.png

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+set -ex
+
+$JAVA_HOME/bin/javac JFRDemo.java
+$JAVA_HOME/bin/native-image -Ob --enable-monitoring=jfr JFRDemo
+./jfrdemo -XX:StartFlightRecording=filename=recording.jfr
+jfr print recording.jfr