--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/share/vm/runtime/logTimer.hpp Wed Feb 17 14:03:18 2016 -0500
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ */
+
+#ifndef SHARE_VM_RUNTIME_LOG_TIMER_HPP
+#define SHARE_VM_RUNTIME_LOG_TIMER_HPP
+
+#include "logging/log.hpp"
+#include "runtime/timer.hpp"
+
+// TraceStartupTime is used for tracing the execution time of a block with logging
+// Usage:
+// { TraceStartupTime t("block time")
+// some_code();
+// }
+//
+
+class TraceStartupTime : public TraceTime {
+ public:
+ TraceStartupTime(const char* s) : TraceTime(s, log_is_enabled(Info, startuptime), LogTag::_startuptime) {}
+};
+
+#endif // SHARE_VM_RUNTIME_LOG_TIMER_HPP