jdk-24/test/hotspot/jtreg/compiler/debug/TestGenerateStressSeed.java
Daniel Lundén 4abb10eb0b 8317349: Randomize order of macro node expansion in C2
Reviewed-by: chagedorn, rcastanedalo, thartmann
2024-02-07 10:01:35 +00:00

71 lines
2.7 KiB
Java

/*
* Copyright (c) 2020, 2024, 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.nio.file.Paths;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
/*
* @test
* @key stress randomness
* @bug 8252219 8256535
* @requires vm.compiler2.enabled
* @summary Tests that using a stress option without -XX:StressSeed=N generates
* and logs a random seed.
* @library /test/lib /
* @run driver compiler.debug.TestGenerateStressSeed StressLCM
* @run driver compiler.debug.TestGenerateStressSeed StressGCM
* @run driver compiler.debug.TestGenerateStressSeed StressIGVN
* @run driver compiler.debug.TestGenerateStressSeed StressCCP
* @run driver compiler.debug.TestGenerateStressSeed StressMacroExpansion
*/
public class TestGenerateStressSeed {
static void sum(int n) {
int acc = 0;
for (int i = 0; i < n; i++) acc += i;
System.out.println(acc);
}
public static void main(String[] args) throws Exception {
if (args[0].startsWith("Stress")) {
String className = TestGenerateStressSeed.class.getName();
String stressOpt = args[0];
String log = "test.log";
String[] procArgs = {
"-Xcomp", "-XX:-TieredCompilation", "-XX:+UnlockDiagnosticVMOptions",
"-XX:CompileOnly=" + className + "::sum", "-XX:+" + stressOpt,
"-XX:+LogCompilation", "-XX:LogFile=" + log, className, "10"};
new OutputAnalyzer(ProcessTools.createLimitedTestJavaProcessBuilder(procArgs).start())
.shouldHaveExitValue(0);
new OutputAnalyzer(Paths.get(log))
.shouldContain("stress_test seed");
} else {
sum(Integer.parseInt(args[0]));
}
}
}