Tiny self-contained reproducer for https://bugs.openjdk.org/browse/JDK-8302320 (AsyncGetCallTrace obtains too few frames in sanity test)

Main.java

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class Main {

    public static void main(String[] args) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
        Class<?> klass = Main.class;
        Method mainMethod = klass.getMethod("test");
        mainMethod.invoke(null);
    }

    public static void test() {
        javaLoop();
    }

    public static void javaLoop() {
        long start = System.currentTimeMillis();
        while (start + 3000 > System.currentTimeMillis());
    }
}

run.sh

#!/bin/sh

javac Main.java
java -cp . -XX:StartFlightRecording=filename=profile.jfr Main
jfr print --events "jdk.ExecutionSample" --json profile.jfr