jdk8-mips64-public/hotspot: src/share/vm/memory/metaspaceCounters.cpp@2958af1d8c5a (annotated)

src/share/vm/memory/metaspaceCounters.cpp@2958af1d8c5a (annotated)

src/share/vm/memory/metaspaceCounters.cpp

Fri, 17 May 2013 06:01:10 +0200

author: jwilhelm
date: Fri, 17 May 2013 06:01:10 +0200
changeset 5125: 2958af1d8c5a
parent 5015: 868d87ed63c8
child 5531: 1a8fb39bdbc4
permissions: -rw-r--r--

Merge

 /*
  * 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 "utilities/exceptions.hpp"
 MetaspaceCounters* MetaspaceCounters::_metaspace_counters = NULL;
 size_t MetaspaceCounters::calc_total_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;
 }
 MetaspaceCounters::MetaspaceCounters() :
     _capacity(NULL),
     _used(NULL),
     _max_capacity(NULL) {
   if (UsePerfData) {
     size_t min_capacity = MetaspaceAux::min_chunk_size();
     size_t max_capacity = MetaspaceAux::reserved_in_bytes();
     size_t curr_capacity = calc_total_capacity();
     size_t used = MetaspaceAux::allocated_used_bytes();
     initialize(min_capacity, max_capacity, curr_capacity, used);
   }
 }
 static PerfVariable* create_ms_variable(const char *ns,
                                         const char *name,
                                         size_t value,
                                         TRAPS) {
   const char *path = PerfDataManager::counter_name(ns, name);
   PerfVariable *result =
       PerfDataManager::create_variable(SUN_GC, path, PerfData::U_Bytes, value,
                                        CHECK_NULL);
   return result;
 }
 static void create_ms_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, CHECK);
 }
 void MetaspaceCounters::initialize(size_t min_capacity,
                                    size_t max_capacity,
                                    size_t curr_capacity,
                                    size_t used) {
   if (UsePerfData) {
     EXCEPTION_MARK;
     ResourceMark rm;
     const char *ms = "metaspace";
     create_ms_constant(ms, "minCapacity", min_capacity, CHECK);
     _max_capacity = create_ms_variable(ms, "maxCapacity", max_capacity, CHECK);
     _capacity = create_ms_variable(ms, "capacity", curr_capacity, CHECK);
     _used = create_ms_variable(ms, "used", used, CHECK);
   }
 }
 void MetaspaceCounters::update_capacity() {
   assert(UsePerfData, "Should not be called unless being used");
   size_t total_capacity = calc_total_capacity();
   _capacity->set_value(total_capacity);
 }
 void MetaspaceCounters::update_used() {
   assert(UsePerfData, "Should not be called unless being used");
   size_t used_in_bytes = MetaspaceAux::allocated_used_bytes();
   _used->set_value(used_in_bytes);
 }
 void MetaspaceCounters::update_max_capacity() {
   assert(UsePerfData, "Should not be called unless being used");
   assert(_max_capacity != NULL, "Should be initialized");
   size_t reserved_in_bytes = MetaspaceAux::reserved_in_bytes();
   _max_capacity->set_value(reserved_in_bytes);
 }
 void MetaspaceCounters::update_all() {
   if (UsePerfData) {
     update_used();
     update_capacity();
     update_max_capacity();
   }
 }
 void MetaspaceCounters::initialize_performance_counters() {
   if (UsePerfData) {
     assert(_metaspace_counters == NULL, "Should only be initialized once");
     _metaspace_counters = new MetaspaceCounters();
   }
 }
 void MetaspaceCounters::update_performance_counters() {
   if (UsePerfData) {
     assert(_metaspace_counters != NULL, "Should be initialized");
     _metaspace_counters->update_all();
   }
 }

Mercurial > jdk8-mips64-public > hotspot / annotate

src/share/vm/memory/metaspaceCounters.cpp@2958af1d8c5a (annotated)

src/share/vm/memory/metaspaceCounters.cpp