jdk8-mips64-public/hotspot: src/share/vm/memory/metaspaceCounters.cpp@7944aba7ba41 (annotated)

src/share/vm/memory/metaspaceCounters.cpp@7944aba7ba41 (annotated)

src/share/vm/memory/metaspaceCounters.cpp

Mon, 12 Aug 2013 17:37:02 +0200

author: ehelin
date: Mon, 12 Aug 2013 17:37:02 +0200
changeset 5694: 7944aba7ba41
parent 5531: 1a8fb39bdbc4
child 5703: d6c266999345
permissions: -rw-r--r--

8015107: NPG: Use consistent naming for metaspace concepts
Reviewed-by: coleenp, mgerdin, hseigel

 /*
  * Copyright (c) 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 "memory/metaspaceCounters.hpp"
 #include "memory/resourceArea.hpp"
 #include "runtime/globals.hpp"
 #include "runtime/perfData.hpp"
 #include "utilities/exceptions.hpp"
 class MetaspacePerfCounters: public CHeapObj<mtInternal> {
   friend class VMStructs;
   PerfVariable*      _capacity;
   PerfVariable*      _used;
   PerfVariable*      _max_capacity;
   PerfVariable* create_variable(const char *ns, const char *name, size_t value, TRAPS) {
     const char *path = PerfDataManager::counter_name(ns, name);
     return PerfDataManager::create_variable(SUN_GC, path, PerfData::U_Bytes, value, THREAD);
   }
   void create_constant(const char *ns, const char *name, size_t value, TRAPS) {
     const char *path = PerfDataManager::counter_name(ns, name);
     PerfDataManager::create_constant(SUN_GC, path, PerfData::U_Bytes, value, THREAD);
   }
  public:
   MetaspacePerfCounters(const char* ns, size_t min_capacity, size_t curr_capacity, size_t max_capacity, size_t used) {
     EXCEPTION_MARK;
     ResourceMark rm;
     create_constant(ns, "minCapacity", min_capacity, THREAD);
     _capacity = create_variable(ns, "capacity", curr_capacity, THREAD);
     _max_capacity = create_variable(ns, "maxCapacity", max_capacity, THREAD);
     _used = create_variable(ns, "used", used, THREAD);
   }
   void update(size_t capacity, size_t max_capacity, size_t used) {
     _capacity->set_value(capacity);
     _max_capacity->set_value(max_capacity);
     _used->set_value(used);
   }
 };
 MetaspacePerfCounters* MetaspaceCounters::_perf_counters = NULL;
 size_t MetaspaceCounters::calculate_capacity() {
   // The total capacity is the sum of
   //   1) capacity of Metachunks in use by all Metaspaces
   //   2) unused space at the end of each Metachunk
   //   3) space in the freelist
   size_t total_capacity = MetaspaceAux::allocated_capacity_bytes()
     + MetaspaceAux::free_bytes() + MetaspaceAux::free_chunks_total_in_bytes();
   return total_capacity;
 }
 void MetaspaceCounters::initialize_performance_counters() {
   if (UsePerfData) {
     assert(_perf_counters == NULL, "Should only be initialized once");
     size_t min_capacity = MetaspaceAux::min_chunk_size();
     size_t capacity = calculate_capacity();
     size_t max_capacity = MetaspaceAux::reserved_in_bytes();
     size_t used = MetaspaceAux::allocated_used_bytes();
     _perf_counters = new MetaspacePerfCounters("metaspace", min_capacity, capacity, max_capacity, used);
   }
 }
 void MetaspaceCounters::update_performance_counters() {
   if (UsePerfData) {
     assert(_perf_counters != NULL, "Should be initialized");
     size_t capacity = calculate_capacity();
     size_t max_capacity = MetaspaceAux::reserved_in_bytes();
     size_t used = MetaspaceAux::allocated_used_bytes();
     _perf_counters->update(capacity, max_capacity, used);
   }
 }
 MetaspacePerfCounters* CompressedClassSpaceCounters::_perf_counters = NULL;
 size_t CompressedClassSpaceCounters::calculate_capacity() {
     return MetaspaceAux::allocated_capacity_bytes(_class_type) +
            MetaspaceAux::free_bytes(_class_type) +
            MetaspaceAux::free_chunks_total_in_bytes(_class_type);
 }
 void CompressedClassSpaceCounters::update_performance_counters() {
   if (UsePerfData && UseCompressedClassPointers) {
     assert(_perf_counters != NULL, "Should be initialized");
     size_t capacity = calculate_capacity();
     size_t max_capacity = MetaspaceAux::reserved_in_bytes(_class_type);
     size_t used = MetaspaceAux::allocated_used_bytes(_class_type);
     _perf_counters->update(capacity, max_capacity, used);
   }
 }
 void CompressedClassSpaceCounters::initialize_performance_counters() {
   if (UsePerfData) {
     assert(_perf_counters == NULL, "Should only be initialized once");
     const char* ns = "compressedclassspace";
     if (UseCompressedClassPointers) {
       size_t min_capacity = MetaspaceAux::min_chunk_size();
       size_t capacity = calculate_capacity();
       size_t max_capacity = MetaspaceAux::reserved_in_bytes(_class_type);
       size_t used = MetaspaceAux::allocated_used_bytes(_class_type);
       _perf_counters = new MetaspacePerfCounters(ns, min_capacity, capacity, max_capacity, used);
     } else {
       _perf_counters = new MetaspacePerfCounters(ns, 0, 0, 0, 0);
     }
   }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/memory/metaspaceCounters.cpp@7944aba7ba41 (annotated)

src/share/vm/memory/metaspaceCounters.cpp