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

*** 52,62 ****
      }
    }
  
    public static boolean knownCPU(String cpu) {
      final String[] KNOWN =
!         new String[] {"i386", "x86", "x86_64", "amd64", "sparc", "sparcv9", "ppc64", "ppc64le", "aarch64"};
  
      for(String s : KNOWN) {
        if(s.equals(cpu))
          return true;
      }
--- 52,62 ----
      }
    }
  
    public static boolean knownCPU(String cpu) {
      final String[] KNOWN =
!       new String[] {"i386", "x86", "x86_64", "amd64", "sparc", "sparcv9", "ppc64", "ppc64le", "aarch64", "arm"};
  
      for(String s : KNOWN) {
        if(s.equals(cpu))
          return true;
      }