--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/epsilon/epsilonThreadLocalData.hpp Tue Jun 12 15:03:00 2018 +0200
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2018, Red Hat, Inc. All rights reserved.
+ *
+ * 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.
+ *
+ */
+
+#ifndef SHARE_VM_GC_EPSILON_EPSILONTHREADLOCALDATA_HPP
+#define SHARE_VM_GC_EPSILON_EPSILONTHREADLOCALDATA_HPP
+
+#include "runtime/thread.hpp"
+#include "utilities/debug.hpp"
+
+class EpsilonThreadLocalData {
+private:
+ size_t _ergo_tlab_size;
+ int64_t _last_tlab_time;
+
+ EpsilonThreadLocalData() :
+ _ergo_tlab_size(0),
+ _last_tlab_time(0) {}
+
+ static EpsilonThreadLocalData* data(Thread* thread) {
+ assert(UseEpsilonGC, "Sanity");
+ return thread->gc_data<EpsilonThreadLocalData>();
+ }
+
+public:
+ static void create(Thread* thread) {
+ new (data(thread)) EpsilonThreadLocalData();
+ }
+
+ static void destroy(Thread* thread) {
+ data(thread)->~EpsilonThreadLocalData();
+ }
+
+ static size_t ergo_tlab_size(Thread *thread) {
+ return data(thread)->_ergo_tlab_size;
+ }
+
+ static int64_t last_tlab_time(Thread *thread) {
+ return data(thread)->_last_tlab_time;
+ }
+
+ static void set_ergo_tlab_size(Thread *thread, size_t val) {
+ data(thread)->_ergo_tlab_size = val;
+ }
+
+ static void set_last_tlab_time(Thread *thread, int64_t time) {
+ data(thread)->_last_tlab_time = time;
+ }
+};
+
+#endif // SHARE_VM_GC_EPSILON_EPSILONTHREADLOCALDATA_HPP