1 /*
   2  * Copyright (c) 2011, 2012, 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  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc_implementation/shared/hSpaceCounters.hpp"
  27 #include "memory/generation.hpp"
  28 #include "memory/resourceArea.hpp"
  29 
  30 HSpaceCounters::HSpaceCounters(const char* name,
  31                                int ordinal,
  32                                size_t max_size,
  33                                size_t initial_capacity,
  34                                GenerationCounters* gc) {
  35 
  36   if (UsePerfData) {
  37     EXCEPTION_MARK;
  38     ResourceMark rm;
  39 
  40     const char* cns =
  41       PerfDataManager::name_space(gc->name_space(), "space", ordinal);
  42 
  43     _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
  44     strcpy(_name_space, cns);
  45 
  46     const char* cname = PerfDataManager::counter_name(_name_space, "name");
  47     PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
  48 
  49     cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
  50     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
  51                                      (jlong)max_size, CHECK);
  52 
  53     cname = PerfDataManager::counter_name(_name_space, "capacity");
  54     _capacity = PerfDataManager::create_variable(SUN_GC, cname,
  55                                                  PerfData::U_Bytes,
  56                                                  initial_capacity, CHECK);
  57 
  58     cname = PerfDataManager::counter_name(_name_space, "used");
  59     _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
  60                                              (jlong) 0, CHECK);
  61 
  62     cname = PerfDataManager::counter_name(_name_space, "initCapacity");
  63     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
  64                                      initial_capacity, CHECK);
  65   }
  66 }