jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/shared/generationCounters.cpp@b52782ae3880

6946417: G1: Java VisualVM does not support G1 properly.
Summary: Added counters for jstat
Reviewed-by: tonyp, jwilhelm, stefank, ysr, johnc

     1 /*

     2  * Copyright (c) 2002, 2011, 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 #include "precompiled.hpp"

    26 #include "gc_implementation/shared/generationCounters.hpp"

    27 #include "memory/resourceArea.hpp"

    30 GenerationCounters::GenerationCounters(const char* name,

    31                                        int ordinal, int spaces,

    32                                        VirtualSpace* v):

    33                     _virtual_space(v) {

    35   if (UsePerfData) {

    37     EXCEPTION_MARK;

    38     ResourceMark rm;

    40     const char* cns = PerfDataManager::name_space("generation", ordinal);

    42     _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1);

    43     strcpy(_name_space, cns);

    45     const char* cname = PerfDataManager::counter_name(_name_space, "name");

    46     PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);

    48     cname = PerfDataManager::counter_name(_name_space, "spaces");

    49     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None,

    50                                      spaces, CHECK);

    52     cname = PerfDataManager::counter_name(_name_space, "minCapacity");

    53     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,

    54                                      _virtual_space == NULL ? 0 :

    55                                      _virtual_space->committed_size(), CHECK);

    57     cname = PerfDataManager::counter_name(_name_space, "maxCapacity");

    58     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,

    59                                      _virtual_space == NULL ? 0 :

    60                                      _virtual_space->reserved_size(), CHECK);

    62     cname = PerfDataManager::counter_name(_name_space, "capacity");

    63     _current_size = PerfDataManager::create_variable(SUN_GC, cname,

    64                                      PerfData::U_Bytes,

    65                                      _virtual_space == NULL ? 0 :

    66                                      _virtual_space->committed_size(), CHECK);

    67   }

    68 }

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