test/hotspot/jtreg/runtime/logging/OsCpuLoggingTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 *
 * 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).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
 * @test
 * @bug 8151939
 * @summary os+cpu output should contain some os,cpu information
 * @library /test/lib
 * @modules java.base/jdk.internal.misc
 *          java.management
 * @run driver OsCpuLoggingTest
 */

import java.io.File;
import java.util.Map;
import jdk.test.lib.Platform;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.process.OutputAnalyzer;

public class OsCpuLoggingTest {

    static void analyzeOutputForOsLog(OutputAnalyzer output) throws Exception {
        output.shouldContain("SafePoint Polling address");
        output.shouldHaveExitValue(0);
    }

    static void analyzeOutputForOsCpuLog(OutputAnalyzer output) throws Exception {
        output.shouldContain("CPU:total");
        output.shouldHaveExitValue(0);
    }

    public static void main(String[] args) throws Exception {

        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:os+cpu", "-version");
        OutputAnalyzer output = new OutputAnalyzer(pb.start());
        analyzeOutputForOsCpuLog(output);

        // PPC64 only uses polling pages when UseSIGTRAP is off.
        pb = (Platform.isPPC() && Platform.is64bit())
             ? ProcessTools.createJavaProcessBuilder("-Xlog:os", "-XX:-UseSIGTRAP", "-version")
             : ProcessTools.createJavaProcessBuilder("-Xlog:os", "-version");
        output = new OutputAnalyzer(pb.start());
        analyzeOutputForOsLog(output);
    }
}