disable threads

Author: zeitlinger

instrumentation/runtime-telemetry/runtime-telemetry-java8/library/src/main/java/io/opentelemetry/instrumentation/runtimemetrics/java8/Threads.java

@@ -60,12 +60,6 @@ public static List<AutoCloseable> registerObservers(OpenTelemetry openTelemetry)
     return INSTANCE.registerObservers(openTelemetry, useThreads());
   }
 
-  private static boolean useThreads() {
-    // GraalVM native image does not support ThreadMXBean yet
-    // see https://github.com/oracle/graal/issues/6101
-    return !isJava9OrNewer() || System.getProperty("org.graalvm.nativeimage.imagecode") != null;
-  }
-
   private List<AutoCloseable> registerObservers(OpenTelemetry openTelemetry, boolean useThread) {
     if (useThread) {
       return registerObservers(openTelemetry, Threads::getThreads);
@@ -122,6 +116,12 @@ private static boolean isJava9OrNewer() {
     return THREAD_INFO_IS_DAEMON != null;
   }
 
+  private static boolean useThreads() {
+    // GraalVM native image does not support ThreadMXBean yet
+    // see https://github.com/oracle/graal/issues/6101
+    return !isJava9OrNewer() || System.getProperty("org.graalvm.nativeimage.imagecode") != null;
+  }
+
   private static Consumer<ObservableLongMeasurement> java8Callback(ThreadMXBean threadBean) {
     return measurement -> {
       int daemonThreadCount = threadBean.getDaemonThreadCount();