Mercurial > hg > graal-compiler
view test/gc/TestSystemGC.java @ 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 | a1b05d4a6fd0 |
children |
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/* * 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. */ /* * @test TestSystemGC * @key gc * @summary Runs System.gc() with different flags. * @run main/othervm TestSystemGC * @run main/othervm -XX:+UseSerialGC TestSystemGC * @run main/othervm -XX:+UseParNewGC TestSystemGC * @run main/othervm -XX:+UseParallelGC TestSystemGC * @run main/othervm -XX:+UseParallelGC -XX:-UseParallelOldGC TestSystemGC * @run main/othervm -XX:+UseConcMarkSweepGC TestSystemGC * @run main/othervm -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent TestSystemGC * @run main/othervm -XX:+UseConcMarkSweepGC -XX:+ExplicitGCInvokesConcurrent -XX:-UseParNewGC TestSystemGC * @run main/othervm -XX:+UseG1GC TestSystemGC * @run main/othervm -XX:+UseG1GC -XX:+ExplicitGCInvokesConcurrent TestSystemGC * @run main/othervm -XX:+UseLargePages TestSystemGC * @run main/othervm -XX:+UseLargePages -XX:+UseLargePagesInMetaspace TestSystemGC */ public class TestSystemGC { public static void main(String args[]) throws Exception { System.gc(); } }