PrintNMTStatistics.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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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
 * @key nmt regression
 * @bug 8005936 8058606
 * @summary Verify PrintNMTStatistics on normal JVM exit for detail and summary tracking level
 * @library /testlibrary
 */

import com.oracle.java.testlibrary.*;

public class PrintNMTStatistics {

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

    ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
      "-XX:+UnlockDiagnosticVMOptions",
      "-XX:+PrintNMTStatistics",
      "-XX:NativeMemoryTracking=detail",
      "-version");

    OutputAnalyzer output_detail = new OutputAnalyzer(pb.start());
    output_detail.shouldContain("Virtual memory map:");
    output_detail.shouldContain("Details:");
    output_detail.shouldNotContain("error");
    output_detail.shouldHaveExitValue(0);

    ProcessBuilder pb1 = ProcessTools.createJavaProcessBuilder(
      "-XX:+UnlockDiagnosticVMOptions",
      "-XX:+PrintNMTStatistics",
      "-XX:NativeMemoryTracking=summary",
      "-version");

    OutputAnalyzer output_summary = new OutputAnalyzer(pb1.start());
    output_summary.shouldContain("Java Heap (reserved=");
    output_summary.shouldNotContain("Virtual memory map:");
    output_summary.shouldNotContain("Details:");
    output_summary.shouldNotContain("error");
    output_summary.shouldHaveExitValue(0);
    }
}