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/*
* @test
* @key nmt regression
* @bug 8005936
* @summary Make sure PrintNMTStatistics works on normal JVM exit
* @library /testlibrary /testlibrary/whitebox
* @build PrintNMTStatistics
* @run main ClassFileInstaller sun.hotspot.WhiteBox
* @run main PrintNMTStatistics
*/
import com.oracle.java.testlibrary.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import sun.hotspot.WhiteBox;
public class PrintNMTStatistics {
public static void main(String args[]) throws Exception {
// We start a new java process running with an argument and use WB API to ensure
// we have data for NMT on VM exit
if (args.length > 0) {
// Use WB API to ensure that all data has been merged before we continue
if (!WhiteBox.getWhiteBox().NMTWaitForDataMerge()) {
throw new Exception("Call to WB API NMTWaitForDataMerge() failed");
}
return;
}
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
"-XX:+UnlockDiagnosticVMOptions",
"-Xbootclasspath/a:.",
"-XX:+WhiteBoxAPI",
"-XX:NativeMemoryTracking=summary",
"-XX:+PrintNMTStatistics",
"PrintNMTStatistics",
"test");
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain("Java Heap (reserved=");
output.shouldNotContain("error");
output.shouldNotContain("warning");
output.shouldHaveExitValue(0);
}
}