1/*
2 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
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23 */
24
25#ifndef SHARE_VM_SERVICES_NMT_DCMD_HPP
26#define SHARE_VM_SERVICES_NMT_DCMD_HPP
27
28#if INCLUDE_NMT
29
30#include "services/diagnosticArgument.hpp"
31#include "services/diagnosticFramework.hpp"
32#include "services/memBaseline.hpp"
33#include "services/mallocTracker.hpp"
34
35/**
36 * Native memory tracking DCmd implementation
37 */
38class NMTDCmd: public DCmdWithParser {
39 protected:
40  DCmdArgument<bool>  _summary;
41  DCmdArgument<bool>  _detail;
42  DCmdArgument<bool>  _baseline;
43  DCmdArgument<bool>  _summary_diff;
44  DCmdArgument<bool>  _detail_diff;
45  DCmdArgument<bool>  _shutdown;
46  DCmdArgument<bool>  _statistics;
47  DCmdArgument<char*> _scale;
48
49 public:
50  NMTDCmd(outputStream* output, bool heap);
51  static const char* name() { return "VM.native_memory"; }
52  static const char* description() {
53    return "Print native memory usage";
54  }
55  static const char* impact() {
56    return "Medium";
57  }
58  static const JavaPermission permission() {
59    JavaPermission p = {"java.lang.management.ManagementPermission",
60                        "monitor", NULL};
61    return p;
62  }
63  static int num_arguments();
64  virtual void execute(DCmdSource source, TRAPS);
65
66 private:
67  void report(bool summaryOnly, size_t scale);
68  void report_diff(bool summaryOnly, size_t scale);
69
70  size_t get_scale(const char* scale) const;
71
72  // check if NMT running at detail tracking level
73  bool check_detail_tracking_level(outputStream* out);
74};
75
76#endif // INCLUDE_NMT
77
78#endif // SHARE_VM_SERVICES_NMT_DCMD_HPP
79