101 lines
3.8 KiB
Java
101 lines
3.8 KiB
Java
/*
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* Copyright (c) 2019, SAP SE. 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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import jdk.test.lib.*;
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import jdk.test.lib.process.*;
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/*
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* @test TestAbortVMOnSafepointTimeout
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* @summary Check if VM can kill thread which doesn't reach safepoint.
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* @bug 8219584 8227528
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* @requires vm.compiler2.enabled
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* java.management
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*/
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public class TestAbortVMOnSafepointTimeout {
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public static void main(String[] args) throws Exception {
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if (args.length > 0) {
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int result = test_loop(3);
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System.out.println("This message would occur after some time with result " + result);
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return;
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}
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testWith(500, 500);
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}
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static int test_loop(int x) {
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int sum = 0;
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if (x != 0) {
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// Long running loop without safepoint.
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for (int y = 1; y < Integer.MAX_VALUE; ++y) {
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if (y % x == 0) ++sum;
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}
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}
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return sum;
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}
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public static void testWith(int sfpt_interval, int timeout_delay) throws Exception {
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// -XX:-UseCountedLoopSafepoints - is used to prevent the loop
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// in test_loop() to poll for safepoints.
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// -XX:LoopStripMiningIter=0 and -XX:LoopUnrollLimit=0 - are
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// used to prevent optimizations over the loop in test_loop()
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// since we actually want it to provoke a safepoint timeout.
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// -XX:-UseBiasedLocking - is used to prevent biased locking
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// handshakes from changing the timing of this test.
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ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:-UseBiasedLocking",
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"-XX:+SafepointTimeout",
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"-XX:+SafepointALot",
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"-XX:+AbortVMOnSafepointTimeout",
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"-XX:SafepointTimeoutDelay=" + timeout_delay,
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"-XX:GuaranteedSafepointInterval=" + sfpt_interval,
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"-XX:-TieredCompilation",
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"-XX:-UseCountedLoopSafepoints",
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"-XX:LoopStripMiningIter=0",
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"-XX:LoopUnrollLimit=0",
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"-XX:CompileCommand=compileonly,TestAbortVMOnSafepointTimeout::test_loop",
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"-Xcomp",
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"-XX:-CreateCoredumpOnCrash",
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"-Xms64m",
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"TestAbortVMOnSafepointTimeout",
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"runTestLoop"
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);
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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if (Platform.isWindows()) {
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output.shouldMatch("Safepoint sync time longer than");
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} else {
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output.shouldMatch("SIGILL");
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if (Platform.isLinux()) {
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output.shouldMatch("(sent by kill)");
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}
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output.shouldMatch("TestAbortVMOnSafepointTimeout.test_loop");
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}
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output.shouldNotHaveExitValue(0);
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}
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}
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