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

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "precompiled.hpp"
#include "utilities/macros.hpp"
#if INCLUDE_ALL_GCS
#include "gc_implementation/shared/spaceCounters.hpp"
#include "memory/resourceArea.hpp"
#endif // INCLUDE_ALL_GCS

SpaceCounters::SpaceCounters(const char* name, int ordinal, size_t max_size,
                             MutableSpace* m, GenerationCounters* gc) :
   _object_space(m) {

  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");
    PerfDataManager::create_constant(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,
                                   _object_space->capacity_in_bytes(), CHECK);

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

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