src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/utilities/PlatformInfo.java

@@ -52,11 +52,11 @@
     }
   }
 
   public static boolean knownCPU(String cpu) {
     final String[] KNOWN =
-        new String[] {"i386", "x86", "x86_64", "amd64", "sparc", "sparcv9", "ppc64", "ppc64le", "aarch64"};
+      new String[] {"i386", "x86", "x86_64", "amd64", "sparc", "sparcv9", "ppc64", "ppc64le", "aarch64", "arm"};
 
     for(String s : KNOWN) {
       if(s.equals(cpu))
         return true;
     }