hotspot/src/share/vm/services/psMemoryPool.cpp
changeset 1 489c9b5090e2
child 5547 f4b087cbb361
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/services/psMemoryPool.cpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+# include "incls/_precompiled.incl"
+# include "incls/_psMemoryPool.cpp.incl"
+
+PSGenerationPool::PSGenerationPool(PSOldGen* gen,
+                                   const char* name,
+                                   PoolType type,
+                                   bool support_usage_threshold) :
+  CollectedMemoryPool(name, type, gen->capacity_in_bytes(),
+                      gen->reserved().byte_size(), support_usage_threshold), _gen(gen) {
+}
+
+PSGenerationPool::PSGenerationPool(PSPermGen* gen,
+                                   const char* name,
+                                   PoolType type,
+                                   bool support_usage_threshold) :
+  CollectedMemoryPool(name, type, gen->capacity_in_bytes(),
+                      gen->reserved().byte_size(), support_usage_threshold), _gen(gen) {
+}
+
+MemoryUsage PSGenerationPool::get_memory_usage() {
+  size_t maxSize   = (available_for_allocation() ? max_size() : 0);
+  size_t used      = used_in_bytes();
+  size_t committed = _gen->capacity_in_bytes();
+
+  return MemoryUsage(initial_size(), used, committed, maxSize);
+}
+
+// The max size of EdenMutableSpacePool =
+//     max size of the PSYoungGen - capacity of two survivor spaces
+//
+// Max size of PS eden space is changing due to ergonomic.
+// PSYoungGen, PSOldGen, Eden, Survivor spaces are all resizable.
+//
+EdenMutableSpacePool::EdenMutableSpacePool(PSYoungGen* gen,
+                                           MutableSpace* space,
+                                           const char* name,
+                                           PoolType type,
+                                           bool support_usage_threshold) :
+  CollectedMemoryPool(name, type, space->capacity_in_bytes(),
+                      (gen->max_size() - gen->from_space()->capacity_in_bytes() - gen->to_space()->capacity_in_bytes()),
+                       support_usage_threshold),
+  _gen(gen), _space(space) {
+}
+
+MemoryUsage EdenMutableSpacePool::get_memory_usage() {
+  size_t maxSize   = (available_for_allocation() ? max_size() : 0);
+  size_t used = used_in_bytes();
+  size_t committed = _space->capacity_in_bytes();
+
+  return MemoryUsage(initial_size(), used, committed, maxSize);
+}
+
+// The max size of SurvivorMutableSpacePool =
+//     current capacity of the from-space
+//
+// PS from and to survivor spaces could have different sizes.
+//
+SurvivorMutableSpacePool::SurvivorMutableSpacePool(PSYoungGen* gen,
+                                                   const char* name,
+                                                   PoolType type,
+                                                   bool support_usage_threshold) :
+  CollectedMemoryPool(name, type, gen->from_space()->capacity_in_bytes(),
+                      gen->from_space()->capacity_in_bytes(),
+                      support_usage_threshold), _gen(gen) {
+}
+
+MemoryUsage SurvivorMutableSpacePool::get_memory_usage() {
+  size_t maxSize = (available_for_allocation() ? max_size() : 0);
+  size_t used    = used_in_bytes();
+  size_t committed = committed_in_bytes();
+  return MemoryUsage(initial_size(), used, committed, maxSize);
+}