mirror of
https://github.com/openjdk/jdk.git
synced 2026-05-16 08:29:34 +00:00
77 lines
2.7 KiB
Java
77 lines
2.7 KiB
Java
/*
|
|
* Copyright (c) 2026 IBM Corporation. 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
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/**
|
|
* @test
|
|
* @bug 8382777
|
|
* @summary Test that PrintMethodData output matches expectations
|
|
* @requires vm.flagless
|
|
* @modules java.base/jdk.internal.misc
|
|
* @library /test/lib /
|
|
* @run driver ${test.main.class}
|
|
*/
|
|
|
|
package compiler.profiling;
|
|
|
|
import compiler.lib.generators.Generator;
|
|
import compiler.lib.generators.Generators;
|
|
import jdk.test.lib.process.OutputAnalyzer;
|
|
import jdk.test.lib.process.ProcessTools;
|
|
|
|
public class TestPrintMethodData {
|
|
public static void main(String[] args) throws Exception {
|
|
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
|
|
"-XX:+UnlockDiagnosticVMOptions", "-XX:+PrintMethodData",
|
|
"-XX:CompileCommand=compileonly,compiler.profiling.TestPrintMethodData::test*",
|
|
Launcher.class.getName());
|
|
|
|
OutputAnalyzer analyzer = new OutputAnalyzer(pb.start());
|
|
analyzer.shouldHaveExitValue(0);
|
|
analyzer.shouldContain("BranchData");
|
|
analyzer.shouldMatch("taken\\(\\d+\\)");
|
|
}
|
|
|
|
static long testLongReductionSimpleMax(long[] array) {
|
|
long result = Long.MIN_VALUE;
|
|
for (int i = 0; i < array.length; i++) {
|
|
var v = array[i];
|
|
result = Math.max(v, result);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static class Launcher {
|
|
private static final Generator<Long> GEN_LONG = Generators.G.longs();
|
|
private static final int SIZE = 1024;
|
|
|
|
static void main(String[] args) throws Exception {
|
|
long[] longs = new long[SIZE];
|
|
Generators.G.fill(GEN_LONG, longs);
|
|
|
|
for (int i = 0; i < 20_000; i++) {
|
|
testLongReductionSimpleMax(longs);
|
|
}
|
|
}
|
|
}
|
|
}
|