001
014
015 package com.liferay.portal.kernel.util;
016
017 import java.io.IOException;
018
019
022 public class HeapUtil {
023
024 public static void heapDump(boolean live, boolean binary, String file) {
025 int processId = ProcessUtil.getProcessId();
026
027 StringBundler sb = new StringBundler(7);
028
029 sb.append("jmap -dump:");
030
031 if (live) {
032 sb.append("live,");
033 }
034
035 if (binary) {
036 sb.append("format=b,");
037 }
038
039 sb.append("file=");
040 sb.append(file);
041 sb.append(StringPool.SPACE);
042 sb.append(processId);
043
044 try {
045 Runtime runtime = Runtime.getRuntime();
046
047 runtime.exec(sb.toString());
048 }
049 catch (IOException ioe) {
050 throw new RuntimeException("Unable to perform heap dump", ioe);
051 }
052 }
053
054 }