/*

 * Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "services/nmtCommon.hpp"

const char* NMTUtil::_memory_type_names[] = {

  "Java Heap",

  "Class",

  "Thread",

  "Thread Stack",

  "Code",

  "GC",

  "Compiler",

  "Internal",

  "Other",

  "Symbol",

  "Native Memory Tracking",

  "Shared class space",

  "Arena Chunk",

  "Test",

  "Tracing",

  "Logging",

  "Arguments",

  "Module",

  "Unknown"

};

const char* NMTUtil::scale_name(size_t scale) {

  switch(scale) {

    case K: return "KB";

    case M: return "MB";

    case G: return "GB";

  }

  ShouldNotReachHere();

  return NULL;

}

size_t NMTUtil::scale_from_name(const char* scale) {

  assert(scale != NULL, "Null pointer check");

  if (strncmp(scale, "KB", 2) == 0 ||

      strncmp(scale, "kb", 2) == 0) {

    return K;

  } else if (strncmp(scale, "MB", 2) == 0 ||

             strncmp(scale, "mb", 2) == 0) {

    return M;

  } else if (strncmp(scale, "GB", 2) == 0 ||

             strncmp(scale, "gb", 2) == 0) {

    return G;

  } else {

    return 0; // Invalid value

  }

  return K;

}