Mercurial > hg > graal-jvmci-8
view src/share/vm/oops/compiledICHolder.cpp @ 17935:7384f6a12fc1
8038212: Method::is_valid_method() check has performance regression impact for stackwalking
Summary: Only prune metaspace virtual spaces at safepoint so walking them is safe outside a safepoint.
Reviewed-by: mgerdin, mgronlun, hseigel, stefank
author | coleenp |
---|---|
date | Thu, 15 May 2014 18:23:26 -0400 |
parents | 55fb97c4c58d |
children | 4ca6dc0799b6 |
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/* * Copyright (c) 1998, 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/compiledICHolder.hpp" #include "oops/klass.hpp" #include "oops/method.hpp" #include "oops/oop.inline2.hpp" volatile int CompiledICHolder::_live_count; volatile int CompiledICHolder::_live_not_claimed_count; // Printing void CompiledICHolder::print_on(outputStream* st) const { st->print("%s", internal_name()); st->print(" - method: "); holder_method()->print_value_on(st); st->cr(); st->print(" - klass: "); holder_klass()->print_value_on(st); st->cr(); } void CompiledICHolder::print_value_on(outputStream* st) const { st->print("%s", internal_name()); } // Verification void CompiledICHolder::verify_on(outputStream* st) { guarantee(holder_method()->is_method(), "should be method"); guarantee(holder_klass()->is_klass(), "should be klass"); }