Java example source code file (cSpaceCounters.cpp)

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Java - Java tags/keywords

check, contiguousspace, contiguousspaceusedhelper, cspacecounters\:\:cspacecounters, generationcounters, new_c_heap_array, perfdata::u_bytes, perfdatamanager::counter_name, perfdatamanager::create_variable, perfdatamanager\:\:create_constant, perfdatamanager\:\:create_string_constant, perfdatamanager\:\:name_space, resourcemark, useperfdata

The cSpaceCounters.cpp Java example source code

/*
 * Copyright (c) 2002, 2012, 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
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

#include "precompiled.hpp"
#include "gc_implementation/shared/cSpaceCounters.hpp"
#include "memory/metaspace.hpp"
#include "memory/resourceArea.hpp"

CSpaceCounters::CSpaceCounters(const char* name, int ordinal, size_t max_size,
                               ContiguousSpace* s, GenerationCounters* gc) :
   _space(s) {

  if (UsePerfData) {
    EXCEPTION_MARK;
    ResourceMark rm;

    const char* cns = PerfDataManager::name_space(gc->name_space(), "space",
                                                  ordinal);

    _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
    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, "maxCapacity");
    _max_capacity = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
                                     (jlong)max_size, CHECK);

    cname = PerfDataManager::counter_name(_name_space, "capacity");
    _capacity = PerfDataManager::create_variable(SUN_GC, cname,
                                                 PerfData::U_Bytes,
                                                 _space->capacity(), CHECK);

    cname = PerfDataManager::counter_name(_name_space, "used");
    _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
                                    new ContiguousSpaceUsedHelper(_space),
                                    CHECK);

    cname = PerfDataManager::counter_name(_name_space, "initCapacity");
    PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
                                     _space->capacity(), CHECK);
  }
}