--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/memory/metaspaceCounters.cpp Sat Sep 01 13:25:18 2012 -0400
@@ -0,0 +1,164 @@
+/*
+ * 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"
+
+#define METASPACE_NAME "perm"
+
+MetaspaceCounters* MetaspaceCounters::_metaspace_counters = NULL;
+
+MetaspaceCounters::MetaspaceCounters() {
+ if (UsePerfData) {
+ size_t min_capacity = MetaspaceAux::min_chunk_size();
+ size_t max_capacity = MetaspaceAux::reserved_in_bytes();
+ size_t curr_capacity = MetaspaceAux::capacity_in_bytes();
+ size_t used = MetaspaceAux::used_in_bytes();
+
+ initialize(min_capacity, max_capacity, curr_capacity, used);
+ }
+}
+
+void MetaspaceCounters::initialize(size_t min_capacity,
+ size_t max_capacity,
+ size_t curr_capacity,
+ size_t used) {
+
+ if (UsePerfData) {
+ EXCEPTION_MARK;
+ ResourceMark rm;
+
+ // Create a name that will be recognized by jstat tools as
+ // the perm gen. Change this to a Metaspace name when the
+ // tools are fixed.
+ // name to recognize "sun.gc.generation.2.*"
+
+ const char* name = METASPACE_NAME;
+ const int ordinal = 2;
+ const int spaces = 1;
+
+ const char* cns = PerfDataManager::name_space("generation", ordinal);
+
+ _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtClass);
+ strcpy(_name_space, cns);
+
+ const char* cname = PerfDataManager::counter_name(_name_space, "name");
+ PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
+
+ // End of perm gen like name creation
+
+ cname = PerfDataManager::counter_name(_name_space, "spaces");
+ PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_None,
+ spaces, CHECK);
+
+ cname = PerfDataManager::counter_name(_name_space, "minCapacity");
+ PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
+ min_capacity, CHECK);
+
+ cname = PerfDataManager::counter_name(_name_space, "maxCapacity");
+ PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
+ max_capacity, CHECK);
+
+ cname = PerfDataManager::counter_name(_name_space, "capacity");
+ _current_size =
+ PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,
+ curr_capacity, CHECK);
+
+ // SpaceCounter like counters
+ // name to recognize "sun.gc.generation.2.space.0.*"
+ {
+ const int space_ordinal = 0;
+ const char* cns = PerfDataManager::name_space(_name_space, "space",
+ space_ordinal);
+
+ char* space_name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1, mtClass);
+ strcpy(space_name_space, cns);
+
+ const char* cname = PerfDataManager::counter_name(space_name_space, "name");
+ PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);
+
+ cname = PerfDataManager::counter_name(space_name_space, "maxCapacity");
+ _max_capacity = PerfDataManager::create_variable(SUN_GC, cname,
+ PerfData::U_Bytes,
+ (jlong)max_capacity, CHECK);
+
+ cname = PerfDataManager::counter_name(space_name_space, "capacity");
+ _capacity = PerfDataManager::create_variable(SUN_GC, cname,
+ PerfData::U_Bytes,
+ curr_capacity, CHECK);
+
+ cname = PerfDataManager::counter_name(space_name_space, "used");
+ _used = PerfDataManager::create_variable(SUN_GC,
+ cname,
+ PerfData::U_Bytes,
+ used,
+ CHECK);
+
+ cname = PerfDataManager::counter_name(space_name_space, "initCapacity");
+ PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,
+ min_capacity, CHECK);
+ }
+ }
+}
+
+void MetaspaceCounters::update_capacity() {
+ assert(UsePerfData, "Should not be called unless being used");
+ size_t capacity_in_bytes = MetaspaceAux::capacity_in_bytes();
+ _capacity->set_value(capacity_in_bytes);
+}
+
+void MetaspaceCounters::update_used() {
+ assert(UsePerfData, "Should not be called unless being used");
+ size_t used_in_bytes = MetaspaceAux::used_in_bytes();
+ _used->set_value(used_in_bytes);
+}
+
+void MetaspaceCounters::update_max_capacity() {
+ assert(UsePerfData, "Should not be called unless being used");
+ 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();
+ _current_size->set_value(MetaspaceAux::reserved_in_bytes());
+ }
+}
+
+void MetaspaceCounters::initialize_performance_counters() {
+ if (UsePerfData) {
+ _metaspace_counters = new MetaspaceCounters();
+ }
+}
+
+void MetaspaceCounters::update_performance_counters() {
+ if (UsePerfData) {
+ _metaspace_counters->update_all();
+ }
+}
+