jdk-24/hotspot/src/share/vm/gc_implementation/shared/generationCounters.cpp

/*
 * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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#include "precompiled.hpp"
#include "gc_implementation/shared/generationCounters.hpp"
#include "memory/resourceArea.hpp"


GenerationCounters::GenerationCounters(const char* name,
                                       int ordinal, int spaces,
                                       VirtualSpace* v):
                    _virtual_space(v) {

  if (UsePerfData) {

    EXCEPTION_MARK;
    ResourceMark rm;

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

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

    const char* cname = PerfDataManager::counter_name(_name_space, "name");
    PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);

    cname = PerfDataManager::counter_name(_name_space, "spaces");
    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None,
                                     spaces, CHECK);

    cname = PerfDataManager::counter_name(_name_space, "minCapacity");
    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
                                     _virtual_space == NULL ? 0 :
                                     _virtual_space->committed_size(), CHECK);

    cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
                                     _virtual_space == NULL ? 0 :
                                     _virtual_space->reserved_size(), CHECK);

    cname = PerfDataManager::counter_name(_name_space, "capacity");
    _current_size = PerfDataManager::create_variable(SUN_GC, cname,
                                     PerfData::U_Bytes,
                                     _virtual_space == NULL ? 0 :
                                     _virtual_space->committed_size(), CHECK);
  }
}