Prefix .jfr files with the image name.

Author: christianhaeubl

substratevm/src/com.oracle.svm.core/src/com/oracle/svm/core/jfr/JfrJdkCompatibility.java

@@ -33,6 +33,7 @@
 import org.graalvm.nativeimage.Platforms;
 import org.graalvm.nativeimage.ProcessProperties;
 
+import com.oracle.svm.core.SubstrateOptions;
 import com.oracle.svm.core.SubstrateUtil;
 import com.oracle.svm.core.annotate.Alias;
 import com.oracle.svm.core.annotate.Substitute;
@@ -170,6 +171,7 @@ public static String makeFilename(Recording recording) {
         long pid = ProcessProperties.getProcessID();
         String date = Target_jdk_jfr_internal_util_ValueFormatter.formatDateTime(LocalDateTime.now());
         String idText = recording == null ? "" : "-id-" + recording.getId();
-        return "graalvm-pid-" + pid + idText + "-" + date + ".jfr";
+        String imageName = SubstrateOptions.Name.getValue();
+        return imageName + "-pid-" + pid + idText + "-" + date + ".jfr";
     }
 }

substratevm/src/com.oracle.svm.test/src/com/oracle/svm/test/jcmd/JCmdTest.java

@@ -120,7 +120,7 @@ public void testJfr() throws IOException, InterruptedException {
         assertOutputContainsStrings(jcmd, "Recording ", "name=JCmdTest", "running");
 
         jcmd = runJCmd("JFR.dump");
-        assertOutputContainsStrings(jcmd, "Dumped recording", "graalvm-pid-");
+        assertOutputContainsStrings(jcmd, "Dumped recording", "svmjunit-pid-");
 
         jcmd = runJCmd("JFR.stop", "name=JCmdTest");
         assertOutputContainsLines(jcmd, "Stopped recording \"JCmdTest\".");