1/*
2 * Copyright (c) 2012, 2019, 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.
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23 */
24
25#ifndef SHARE_SERVICES_NMTDCMD_HPP
26#define SHARE_SERVICES_NMTDCMD_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_SERVICES_NMTDCMD_HPP
79