jdk/test/hotspot/jtreg/compiler/debug/TestStressBailout.java
2026-04-20 06:38:10 +00:00

70 lines
2.7 KiB
Java

/*
* Copyright (c) 2024, 2026, 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
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*/
package compiler.debug;
import java.util.Random;
import java.util.stream.Stream;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.Utils;
/*
* @test
* @key stress randomness
* @bug 8330157
* @requires vm.debug == true & vm.compiler2.enabled & (vm.opt.AbortVMOnCompilationFailure == "null" | !vm.opt.AbortVMOnCompilationFailure)
* @summary Basic tests for bailout stress flag.
* @library /test/lib /
* @run main compiler.debug.TestStressBailout
*/
/*
* @test
* @key stress randomness
* @bug 8375905
* @requires vm.debug == true & vm.compiler2.enabled & (vm.opt.AbortVMOnCompilationFailure == "null" | !vm.opt.AbortVMOnCompilationFailure)
* @summary Additional crashes revealed by diagnostic code run during VerifyIterativeGVN
* @library /test/lib /
* @run main compiler.debug.TestStressBailout -XX:VerifyIterativeGVN=1111
*/
public class TestStressBailout {
static void runTest(int invprob, Stream<String> vmArgs) throws Exception {
Stream<String> procArgs = Stream.of("-Xcomp", "-XX:-TieredCompilation", "-XX:+StressBailout", "-XX:StressBailoutMean=" + invprob, "-version");
ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder(Stream.concat(vmArgs, procArgs).toArray(x -> new String[x]));
OutputAnalyzer out = new OutputAnalyzer(pb.start());
out.shouldHaveExitValue(0);
}
public static void main(String[] vmArgs) throws Exception {
Random r = Utils.getRandomInstance();
// Likely bail out on -version, for some low Mean value.
runTest(r.nextInt(1, 10), Stream.of(vmArgs));
// Higher value
runTest(r.nextInt(10, 1_000_000), Stream.of(vmArgs));
}
}