1 /*
   2  * Copyright (c) 2002, 2013, 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 "utilities/macros.hpp"
  27 #if INCLUDE_ALL_GCS
  28 #include "gc_implementation/shared/gSpaceCounters.hpp"
  29 #include "memory/generation.hpp"
  30 #include "memory/resourceArea.hpp"
  31 #endif // INCLUDE_ALL_GCS
  32 
  33 GSpaceCounters::GSpaceCounters(const char* name, int ordinal, size_t max_size,
  34                                Generation* g, GenerationCounters* gc,
  35                                bool sampled) :
  36    _gen(g) {
  37 
  38   if (UsePerfData) {
  39     EXCEPTION_MARK;
  40     ResourceMark rm;
  41 
  42     const char* cns = PerfDataManager::name_space(gc->name_space(), "space",
  43                                                   ordinal);
  44 
  45     _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtGC);
  46     strcpy(_name_space, cns);
  47 
  48     const char* cname = PerfDataManager::counter_name(_name_space, "name");
  49     PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
  50 
  51     cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
  52     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
  53                                      (jlong)max_size, CHECK);
  54 
  55     cname = PerfDataManager::counter_name(_name_space, "capacity");
  56     _capacity = PerfDataManager::create_variable(SUN_GC, cname,
  57                                                  PerfData::U_Bytes,
  58                                                  _gen->capacity(), CHECK);
  59 
  60     cname = PerfDataManager::counter_name(_name_space, "used");
  61     if (sampled) {
  62       _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
  63                                                new GenerationUsedHelper(_gen),
  64                                                CHECK);
  65     }
  66     else {
  67       _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
  68                                                (jlong)0, CHECK);
  69     }
  70 
  71     cname = PerfDataManager::counter_name(_name_space, "initCapacity");
  72     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
  73                                      _gen->capacity(), CHECK);
  74   }
  75 }