Mercurial > hg > truffle
diff src/share/vm/oops/methodCounters.cpp @ 10105:aeaca88565e6
8010862: The Method counter fields used for profiling can be allocated lazily.
Summary: Allocate the method's profiling related metadata until they are needed.
Reviewed-by: coleenp, roland
author | jiangli |
---|---|
date | Tue, 09 Apr 2013 17:17:41 -0400 |
parents | |
children | a1ebd310d5c1 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/share/vm/oops/methodCounters.cpp Tue Apr 09 17:17:41 2013 -0400 @@ -0,0 +1,37 @@ +/* + * Copyright (c) 2013, 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 "oops/methodCounters.hpp" +#include "runtime/thread.inline.hpp" + +MethodCounters* MethodCounters::allocate(ClassLoaderData* loader_data, TRAPS) { + return new(loader_data, size(), false, THREAD) MethodCounters(); +} + +void MethodCounters::clear_counters() { + invocation_counter()->reset(); + backedge_counter()->reset(); + set_interpreter_throwout_count(0); + set_interpreter_invocation_count(0); +}