jdk8-mips64-public/hotspot: src/share/vm/memory/metaspaceCounters.cpp@6acf14e730dd (annotated)

src/share/vm/memory/metaspaceCounters.cpp@6acf14e730dd (annotated)

src/share/vm/memory/metaspaceCounters.cpp

Tue, 16 Feb 2016 21:42:29 +0000

author: poonam
date: Tue, 16 Feb 2016 21:42:29 +0000
changeset 8308: 6acf14e730dd
parent 6609: 270d7cb38f40
child 6876: 710a3c8b516e
permissions: -rw-r--r--

8072725: Provide more granular levels for GC verification
Summary: Add option VerifySubSet to selectively verify the memory sub-systems
Reviewed-by: kevinw, jmasa

 /*
  * Copyright (c) 2012, 2013, 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::used() {
   return MetaspaceAux::used_bytes();
 }
 size_t MetaspaceCounters::capacity() {
   return MetaspaceAux::committed_bytes();
 }
 size_t MetaspaceCounters::max_capacity() {
   return MetaspaceAux::reserved_bytes();
 }
 void MetaspaceCounters::initialize_performance_counters() {
   if (UsePerfData) {
     assert(_perf_counters == NULL, "Should only be initialized once");
     size_t min_capacity = 0;
     _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");
     _perf_counters->update(capacity(), max_capacity(), used());
   }
 }
 MetaspacePerfCounters* CompressedClassSpaceCounters::_perf_counters = NULL;
 size_t CompressedClassSpaceCounters::used() {
   return MetaspaceAux::used_bytes(Metaspace::ClassType);
 }
 size_t CompressedClassSpaceCounters::capacity() {
   return MetaspaceAux::committed_bytes(Metaspace::ClassType);
 }
 size_t CompressedClassSpaceCounters::max_capacity() {
   return MetaspaceAux::reserved_bytes(Metaspace::ClassType);
 }
 void CompressedClassSpaceCounters::update_performance_counters() {
   if (UsePerfData && UseCompressedClassPointers) {
     assert(_perf_counters != NULL, "Should be initialized");
     _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 = 0;
       _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@6acf14e730dd (annotated)

src/share/vm/memory/metaspaceCounters.cpp