1 /*
   2  * Copyright (c) 2002, 2010, 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/generationCounters.hpp"
  27 #include "memory/resourceArea.hpp"
  28 
  29 
  30 GenerationCounters::GenerationCounters(const char* name,
  31                                        int ordinal, int spaces,
  32                                        VirtualSpace* v):
  33                     _virtual_space(v) {
  34 
  35   if (UsePerfData) {
  36 
  37     EXCEPTION_MARK;
  38     ResourceMark rm;
  39 
  40     const char* cns = PerfDataManager::name_space("generation", ordinal);
  41 
  42     _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1);
  43     strcpy(_name_space, cns);
  44 
  45     const char* cname = PerfDataManager::counter_name(_name_space, "name");
  46     PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
  47 
  48     cname = PerfDataManager::counter_name(_name_space, "spaces");
  49     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None,
  50                                      spaces, CHECK);
  51 
  52     cname = PerfDataManager::counter_name(_name_space, "minCapacity");
  53     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
  54                                      _virtual_space->committed_size(), CHECK);
  55 
  56     cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
  57     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
  58                                      _virtual_space->reserved_size(), CHECK);
  59 
  60     cname = PerfDataManager::counter_name(_name_space, "capacity");
  61     _current_size = PerfDataManager::create_variable(SUN_GC, cname,
  62                                       PerfData::U_Bytes,
  63                                      _virtual_space->committed_size(), CHECK);
  64   }
  65 }