/
ProcessTreeTest.java
executable file
·59 lines (48 loc) · 1.47 KB
/
ProcessTreeTest.java
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package javasysmon;
import com.jezhumble.javasysmon.JavaSysMon;
import com.jezhumble.javasysmon.OsProcess;
import com.jezhumble.javasysmon.ProcessInfo;
import java.util.List;
import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
* @author jjYBdx4IL
*/
public class ProcessTreeTest {
private static final Logger LOG = LoggerFactory.getLogger(ProcessTreeTest.class);
@Ignore // unstable, crashes JVM randomly
@Test
public void test() {
JavaSysMon monitor = new JavaSysMon();
OsProcess proc = monitor.processTree();
dumpProcessTree(proc, "");
}
public static void dumpProcessTree(OsProcess proc, String indent) {
LOG.info(indent + format(proc));
Object result = proc.children();
for (Object o : (List<?>) result) {
OsProcess p = (OsProcess) o;
dumpProcessTree(p, indent + " ");
}
}
private static String format(OsProcess p) {
if (p.processInfo() == null) {
return p.toString();
}
ProcessInfo i = p.processInfo();
StringBuilder sb = new StringBuilder();
sb.append(i.getPid());
sb.append(" ");
sb.append(i.getParentPid());
sb.append(" ");
sb.append(i.getName());
sb.append(" ");
sb.append(i.getOwner());
sb.append(" ");
sb.append(i.getCommand());
return sb.toString();
}
}