119 lines
4.0 KiB
Java
119 lines
4.0 KiB
Java
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package gc.g1;
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/*
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* @test TestVerificationInConcurrentCycle
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* @requires vm.gc.G1
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* @requires vm.debug
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* @summary Basic testing of various GC pause verification during the G1 concurrent cycle.
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* @library /test/lib
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm
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* -Xbootclasspath/a:.
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* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
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* -XX:+VerifyBeforeGC -XX:+VerifyDuringGC -XX:+VerifyAfterGC
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* -XX:+UseG1GC -XX:+G1VerifyHeapRegionCodeRoots
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* -XX:+G1VerifyBitmaps
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* gc.g1.TestVerificationInConcurrentCycle
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*/
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/*
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* @test TestVerificationInConcurrentCycle
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* @requires vm.gc.G1
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* @requires !vm.debug
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* @summary Basic testing of various GC pause verification during the G1 concurrent cycle. It leaves
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* out G1VerifyBitmaps as this is a debug-only option.
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* @library /test/lib
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* @build jdk.test.whitebox.WhiteBox
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm
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* -Xbootclasspath/a:.
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* -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
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* -XX:+VerifyBeforeGC -XX:+VerifyDuringGC -XX:+VerifyAfterGC
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* -XX:+UseG1GC -XX:+G1VerifyHeapRegionCodeRoots
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* gc.g1.TestVerificationInConcurrentCycle
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*/
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import jdk.test.whitebox.WhiteBox;
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import jdk.test.whitebox.gc.GC;
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public class TestVerificationInConcurrentCycle {
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private static final WhiteBox WB = WhiteBox.getWhiteBox();
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// All testN() assume initial state is idle, and restore that state.
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private static void testFullGCAt(String at) throws Exception {
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System.out.println("testSimpleCycle");
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try {
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// Run one cycle.
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WB.concurrentGCRunTo(at);
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WB.fullGC();
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} finally {
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WB.concurrentGCRunToIdle();
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}
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}
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private static void testYoungGCAt(String at) throws Exception {
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System.out.println("testSimpleCycle");
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try {
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// Run one cycle.
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WB.concurrentGCRunTo(at);
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WB.youngGC();
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} finally {
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WB.concurrentGCRunToIdle();
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}
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}
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private static void testGCAt(String at) throws Exception {
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testYoungGCAt(at);
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testFullGCAt(at);
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}
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private static void test() throws Exception {
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try {
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System.out.println("taking control");
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WB.concurrentGCAcquireControl();
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testGCAt(WB.AFTER_MARKING_STARTED);
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testGCAt(WB.BEFORE_MARKING_COMPLETED);
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testGCAt(WB.G1_AFTER_REBUILD_STARTED);
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testGCAt(WB.G1_BEFORE_REBUILD_COMPLETED);
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testGCAt(WB.G1_AFTER_CLEANUP_STARTED);
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testGCAt(WB.G1_BEFORE_CLEANUP_COMPLETED);
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} finally {
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System.out.println("releasing control");
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WB.concurrentGCReleaseControl();
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}
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}
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public static void main(String[] args) throws Exception {
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if (!WB.supportsConcurrentGCBreakpoints()) {
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throw new RuntimeException("G1 should support GC breakpoints");
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}
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test();
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}
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}
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