jdk-24/test/hotspot/jtreg/compiler/debug/TestStressBailout.java
Daniel Skantz d3f3c6a8cd 8330157: C2: Add a stress flag for bailouts
Reviewed-by: chagedorn, thartmann
2024-10-09 07:01:23 +00:00

60 lines
2.2 KiB
Java

/*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* under the terms of the GNU General Public License version 2 only, as
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*
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package compiler.debug;
import java.util.Random;
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 driver compiler.debug.TestStressBailout
*/
public class TestStressBailout {
static void runTest(int invprob) throws Exception {
String[] procArgs = {"-Xcomp", "-XX:-TieredCompilation", "-XX:+StressBailout",
"-XX:StressBailoutMean=" + invprob, "-version"};
ProcessBuilder pb = ProcessTools.createTestJavaProcessBuilder(procArgs);
OutputAnalyzer out = new OutputAnalyzer(pb.start());
out.shouldHaveExitValue(0);
}
public static void main(String[] args) throws Exception {
Random r = Utils.getRandomInstance();
// Likely bail out on -version, for some low Mean value.
runTest(r.nextInt(1, 10));
// Higher value
runTest(r.nextInt(10, 1_000_000));
}
}