1 /*

     1 /*

     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

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

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

     4  *

     5  *

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

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

     7  * published by the Free Software Foundation.

     8  * published by the Free Software Foundation.

    32 

    33 

    33 MetaspaceDCmd::MetaspaceDCmd(outputStream* output, bool heap)

    34 MetaspaceDCmd::MetaspaceDCmd(outputStream* output, bool heap)

    34   : DCmdWithParser(output, heap)

    35   : DCmdWithParser(output, heap)

    35   , _basic("basic", "Prints a basic summary (does not need a safepoint).", "BOOLEAN", false, "false")

    36   , _basic("basic", "Prints a basic summary (does not need a safepoint).", "BOOLEAN", false, "false")

    36   , _show_loaders("show-loaders", "Shows usage by class loader.", "BOOLEAN", false, "false")

    37   , _show_loaders("show-loaders", "Shows usage by class loader.", "BOOLEAN", false, "false")

    37   , _by_chunktype("by-chunktype", "Break down numbers by chunk type.", "BOOLEAN", false, "false")

    39   , _by_chunktype("by-chunktype", "Break down numbers by chunk type.", "BOOLEAN", false, "false")

    38   , _by_spacetype("by-spacetype", "Break down numbers by loader type.", "BOOLEAN", false, "false")

    40   , _by_spacetype("by-spacetype", "Break down numbers by loader type.", "BOOLEAN", false, "false")

    39   , _show_vslist("vslist", "Shows details about the underlying virtual space.", "BOOLEAN", false, "false")

    41   , _show_vslist("vslist", "Shows details about the underlying virtual space.", "BOOLEAN", false, "false")

    40   , _show_vsmap("vsmap", "Shows chunk composition of the underlying virtual spaces", "BOOLEAN", false, "false")

    42   , _show_vsmap("vsmap", "Shows chunk composition of the underlying virtual spaces", "BOOLEAN", false, "false")

    41   , _scale("scale", "Memory usage in which to scale. Valid values are: 1, KB, MB or GB (fixed scale) "

    43   , _scale("scale", "Memory usage in which to scale. Valid values are: 1, KB, MB or GB (fixed scale) "

    42            "or \"dynamic\" for a dynamically choosen scale.",

    44            "or \"dynamic\" for a dynamically choosen scale.",

    43      "STRING", false, "dynamic")

    45      "STRING", false, "dynamic")

    44 {

    46 {

    45   _dcmdparser.add_dcmd_option(&_basic);

    47   _dcmdparser.add_dcmd_option(&_basic);

    46   _dcmdparser.add_dcmd_option(&_show_loaders);

    48   _dcmdparser.add_dcmd_option(&_show_loaders);

    47   _dcmdparser.add_dcmd_option(&_by_chunktype);

    50   _dcmdparser.add_dcmd_option(&_by_chunktype);

    48   _dcmdparser.add_dcmd_option(&_by_spacetype);

    51   _dcmdparser.add_dcmd_option(&_by_spacetype);

    49   _dcmdparser.add_dcmd_option(&_show_vslist);

    52   _dcmdparser.add_dcmd_option(&_show_vslist);

    50   _dcmdparser.add_dcmd_option(&_show_vsmap);

    53   _dcmdparser.add_dcmd_option(&_show_vsmap);

    51   _dcmdparser.add_dcmd_option(&_scale);

    54   _dcmdparser.add_dcmd_option(&_scale);

    85     MetaspaceUtils::print_basic_report(output(), scale);

    88     MetaspaceUtils::print_basic_report(output(), scale);

    86   } else {

    89   } else {

    87     // Full mode. Requires safepoint.

    90     // Full mode. Requires safepoint.

    88     int flags = 0;

    91     int flags = 0;

    89     if (_show_loaders.value())         flags |= MetaspaceUtils::rf_show_loaders;

    92     if (_show_loaders.value())         flags |= MetaspaceUtils::rf_show_loaders;

    90     if (_by_chunktype.value())         flags |= MetaspaceUtils::rf_break_down_by_chunktype;

    94     if (_by_chunktype.value())         flags |= MetaspaceUtils::rf_break_down_by_chunktype;

    91     if (_by_spacetype.value())         flags |= MetaspaceUtils::rf_break_down_by_spacetype;

    95     if (_by_spacetype.value())         flags |= MetaspaceUtils::rf_break_down_by_spacetype;

    92     if (_show_vslist.value())          flags |= MetaspaceUtils::rf_show_vslist;

    96     if (_show_vslist.value())          flags |= MetaspaceUtils::rf_show_vslist;

    93     if (_show_vsmap.value())           flags |= MetaspaceUtils::rf_show_vsmap;

    97     if (_show_vsmap.value())           flags |= MetaspaceUtils::rf_show_vsmap;

    94     VM_PrintMetadata op(output(), scale, flags);

    98     VM_PrintMetadata op(output(), scale, flags);