src/share/vm/gc_implementation/shared/generationCounters.cpp

changeset 0
f90c822e73f8
child 6876
710a3c8b516e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/gc_implementation/shared/generationCounters.cpp	Wed Apr 27 01:25:04 2016 +0800
     1.3 @@ -0,0 +1,83 @@
     1.4 +/*
     1.5 + * Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.23 + * or visit www.oracle.com if you need additional information or have any
    1.24 + * questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +#include "precompiled.hpp"
    1.29 +#include "gc_implementation/shared/generationCounters.hpp"
    1.30 +#include "memory/resourceArea.hpp"
    1.31 +
    1.32 +void GenerationCounters::initialize(const char* name, int ordinal, int spaces,
    1.33 +                                    size_t min_capacity, size_t max_capacity,
    1.34 +                                    size_t curr_capacity) {
    1.35 +  if (UsePerfData) {
    1.36 +    EXCEPTION_MARK;
    1.37 +    ResourceMark rm;
    1.38 +
    1.39 +    const char* cns = PerfDataManager::name_space("generation", ordinal);
    1.40 +
    1.41 +    _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
    1.42 +    strcpy(_name_space, cns);
    1.43 +
    1.44 +    const char* cname = PerfDataManager::counter_name(_name_space, "name");
    1.45 +    PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
    1.46 +
    1.47 +    cname = PerfDataManager::counter_name(_name_space, "spaces");
    1.48 +    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None,
    1.49 +                                     spaces, CHECK);
    1.50 +
    1.51 +    cname = PerfDataManager::counter_name(_name_space, "minCapacity");
    1.52 +    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
    1.53 +                                     min_capacity, CHECK);
    1.54 +
    1.55 +    cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
    1.56 +    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
    1.57 +                                     max_capacity, CHECK);
    1.58 +
    1.59 +    cname = PerfDataManager::counter_name(_name_space, "capacity");
    1.60 +    _current_size =
    1.61 +      PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
    1.62 +                                       curr_capacity, CHECK);
    1.63 +  }
    1.64 +}
    1.65 +
    1.66 +GenerationCounters::GenerationCounters(const char* name,
    1.67 +                                       int ordinal, int spaces,
    1.68 +                                       VirtualSpace* v)
    1.69 +  : _virtual_space(v) {
    1.70 +  assert(v != NULL, "don't call this constructor if v == NULL");
    1.71 +  initialize(name, ordinal, spaces,
    1.72 +             v->committed_size(), v->reserved_size(), v->committed_size());
    1.73 +}
    1.74 +
    1.75 +GenerationCounters::GenerationCounters(const char* name,
    1.76 +                                       int ordinal, int spaces,
    1.77 +                                       size_t min_capacity, size_t max_capacity,
    1.78 +                                       size_t curr_capacity)
    1.79 +  : _virtual_space(NULL) {
    1.80 +  initialize(name, ordinal, spaces, min_capacity, max_capacity, curr_capacity);
    1.81 +}
    1.82 +
    1.83 +void GenerationCounters::update_all() {
    1.84 +  assert(_virtual_space != NULL, "otherwise, override this method");
    1.85 +  _current_size->set_value(_virtual_space->committed_size());
    1.86 +}

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