jdk8-mips64-public/hotspot: src/share/vm/services/nmtDCmd.hpp@833b0f92429a

8046598: Scalable Native memory tracking development
Summary: Enhance scalability of native memory tracking
Reviewed-by: coleenp, ctornqvi, gtriantafill

     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.

    22  *

    23  */

    25 #ifndef SHARE_VM_SERVICES_NMT_DCMD_HPP

    26 #define SHARE_VM_SERVICES_NMT_DCMD_HPP

    28 #if INCLUDE_NMT

    30 #include "services/diagnosticArgument.hpp"

    31 #include "services/diagnosticFramework.hpp"

    32 #include "services/memBaseline.hpp"

    33 #include "services/mallocTracker.hpp"

    35 /**

    36  * Native memory tracking DCmd implementation

    37  */

    38 class 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;

    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);

    66  private:

    67   void report(bool summaryOnly, size_t scale);

    68   void report_diff(bool summaryOnly, size_t scale);

    70   size_t get_scale(const char* scale) const;

    72   // check if NMT running at detail tracking level

    73   bool check_detail_tracking_level(outputStream* out);

    74 };

    76 #endif // INCLUDE_NMT

    78 #endif // SHARE_VM_SERVICES_NMT_DCMD_HPP

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/services/nmtDCmd.hpp@833b0f92429a

src/share/vm/services/nmtDCmd.hpp