Change default JFR File name for openj9

Signed-off-by: Ravali Yatham <rayatha1@in.ibm.com>

Author: yathamravali

src/jdk.jfr/share/classes/jdk/jfr/internal/JVMSupport.java

@@ -22,6 +22,12 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
+/*
+ * ===========================================================================
+ * (c) Copyright IBM Corp. 2024, 2024 All Rights Reserved
+ * ===========================================================================
+ */
 package jdk.jfr.internal;
 
 import java.io.IOException;
@@ -155,7 +161,7 @@ public static String makeFilename(Recording recording) {
         String pid = JVM.getPid();
         String date = ValueFormatter.formatDateTime(LocalDateTime.now());
         String idText = recording == null ? "" :  "-id-" + Long.toString(recording.getId());
-        return "hotspot-" + "pid-" + pid + idText + "-" + date + ".jfr";
+        return "openj9-" + "pid-" + pid + idText + "-" + date + ".jfr";
     }
 
     public static boolean createFailedNativeJFR() throws IllegalStateException {

src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdDump.java

@@ -22,6 +22,12 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
+/*
+ * ===========================================================================
+ * (c) Copyright IBM Corp. 2024, 2024 All Rights Reserved
+ * ===========================================================================
+ */
 package jdk.jfr.internal.dcmd;
 
 import java.io.IOException;
@@ -289,7 +295,7 @@ public Argument[] getArgumentInfos() {
                "Maximum duration to dump, in (s)econds, (m)inutes, (h)ours, or (d)ays, e.g. 60m, or 0 for no limit",
                "NANOTIME", false, true, null, false),
            new Argument("maxsize", "Maximum amount of bytes to dump, in (M)B or (G)B, e.g. 500M, or 0 for no limit",
-               "MEMORY SIZE", false, true, "hotspot-pid-xxxxx-id-y-YYYY_MM_dd_HH_mm_ss.jfr", false),
+               "MEMORY SIZE", false, true, "openj9-pid-xxxxx-id-y-YYYY_MM_dd_HH_mm_ss.jfr", false),
            new Argument("begin",
                "Point in time to dump data from, e.g. 09:00, 21:35:00, 2018-06-03T18:12:56.827Z, 2018-06-03T20:13:46.832, -10m, -3h, or -1d",
                "STRING", false, true, null, false),

src/jdk.jfr/share/classes/jdk/jfr/internal/dcmd/DCmdStart.java

@@ -22,6 +22,12 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */
+
+/*
+ * ===========================================================================
+ * (c) Copyright IBM Corp. 2024, 2024 All Rights Reserved
+ * ===========================================================================
+ */
 package jdk.jfr.internal.dcmd;
 
 import java.io.IOException;
@@ -501,7 +507,7 @@ public Argument[] getArgumentInfos() {
                 "BOOLEAN", false, true, "true", false),
             new Argument("filename",
                 "Resulting recording filename, e.g. \\\"" + exampleFilename() +  "\\\"",
-                "FILE", false, true, "hotspot-pid-xxxxx-id-y-YYYY_MM_dd_HH_mm_ss.jfr", false),
+                "FILE", false, true, "openj9-pid-xxxxx-id-y-YYYY_MM_dd_HH_mm_ss.jfr", false),
             new Argument("maxage",
                 "Maximum time to keep recorded data (on disk) in (s)econds, (m)inutes, (h)ours, or (d)ays, e.g. 60m, or 0 for no limit",
                 "NANOTIME", false, true, "0", false),