package sun.jvm.hotspot.tools;
import sun.jvm.hotspot.utilities.HeapGXLWriter;
import sun.jvm.hotspot.utilities.HeapGraphWriter;
import sun.jvm.hotspot.utilities.HeapHprofBinWriter;
import java.io.IOException;
public class TBJMap extends Tool {
public TBJMap(int m) {
mode = m;
}
public TBJMap() {
this(MODE_PMAP);
}
protected boolean needsJavaPrefix() {
return false;
}
public String getName() {
return "jmap";
}
protected String getCommandFlags() {
return "-heap|-heap:format=b|-histo|-oldhisto|-permhisto|-permstat|-finalizerinfo";
}
protected void printFlagsUsage() {
System.out.println(" <no option>\tto print same info as Solaris pmap");
System.out.println(" -heap\tto print java heap summary");
System.out.println(" -heap:format=b\tto dump java heap in hprof binary format");
System.out.println(" -histo\tto print histogram of java object heap");
System.out.println(" -oldhisto\tto print oldgen histogram of java object heap");
System.out.println(" -permhisto\tto print permgen histogram of java object heap");
System.out.println(" -permstat\tto print permanent generation statistics");
System.out.println(" -finalizerinfo\tto print information on objects awaiting finalization");
super.printFlagsUsage();
}
public static final int MODE_HEAP_SUMMARY = 0;
public static final int MODE_HISTOGRAM = 1;
public static final int MODE_PERMSTAT = 2;
public static final int MODE_PMAP = 3;
public static final int MODE_HEAP_GRAPH_HPROF_BIN = 4;
public static final int MODE_HEAP_GRAPH_GXL = 5;
public static final int MODE_FINALIZERINFO = 6;
public static final int MODE_OLD_HISTOGRAM = 7;
public static final int MODE_PERM_HISTOGRAM = 8;
public void run() {
Tool tool = null;
switch (mode) {
case MODE_HEAP_SUMMARY:
tool = new HeapSummary();
break;
case MODE_HISTOGRAM:
tool = new TBObjectHistogramTool();
break;
case MODE_PERMSTAT:
tool = new PermStat();
break;
case MODE_PMAP:
tool = new PMap();
break;
case MODE_HEAP_GRAPH_HPROF_BIN:
writeHeapHprofBin();
return;
case MODE_HEAP_GRAPH_GXL:
writeHeapGXL();
return;
case MODE_FINALIZERINFO:
tool = new FinalizerInfo();
break;
case MODE_OLD_HISTOGRAM:
TBObjectHistogramTool tools = new TBObjectHistogramTool();
tools.setAgent(getAgent());
tools.setDebugeeType(getDebugeeType());
tools.printOld();
return;
case MODE_PERM_HISTOGRAM:
TBObjectHistogramTool permTools = new TBObjectHistogramTool();
permTools.setAgent(getAgent());
permTools.setDebugeeType(getDebugeeType());
permTools.printPerm();
return;
default:
usage();
break;
}
tool.setAgent(getAgent());
tool.setDebugeeType(getDebugeeType());
tool.run();
}
public static void main(String[] args) {
int mode = MODE_PMAP;
if (args.length > 1) {
String modeFlag = args[0];
boolean copyArgs = true;
if (modeFlag.equals("-heap")) {
mode = MODE_HEAP_SUMMARY;
} else if (modeFlag.equals("-histo")) {
mode = MODE_HISTOGRAM;
} else if (modeFlag.equals("-oldhisto")) {
mode = MODE_OLD_HISTOGRAM;
} else if (modeFlag.equals("-permhisto")) {
mode = MODE_PERM_HISTOGRAM;
} else if (modeFlag.equals("-permstat")) {
mode = MODE_PERMSTAT;
} else if (modeFlag.equals("-finalizerinfo")) {
mode = MODE_FINALIZERINFO;
} else {
int index = modeFlag.indexOf("-heap:format=");
if (index != -1) {
String format = modeFlag.substring(1 + modeFlag.indexOf('='));
if (format.equals("b")) {
mode = MODE_HEAP_GRAPH_HPROF_BIN;
} else if (format.equals("x")) {
mode = MODE_HEAP_GRAPH_GXL;
} else {
System.err.println("unknown heap format:" + format);
return;
}
} else {
copyArgs = false;
}
}
if (copyArgs) {
String[] newArgs = new String[args.length - 1];
for (int i = 0; i < newArgs.length; i++) {
newArgs[i] = args[i + 1];
}
args = newArgs;
}
}
TBJMap jmap = new TBJMap(mode);
jmap.start(args);
jmap.stop();
}
public boolean writeHeapHprofBin(String fileName) {
try {
HeapGraphWriter hgw = new HeapHprofBinWriter();
hgw.write(fileName);
System.out.println("heap written to " + fileName);
return true;
} catch (IOException exp) {
System.err.println(exp.getMessage());
return false;
}
}
public boolean writeHeapHprofBin() {
return writeHeapHprofBin("heap.bin");
}
private boolean writeHeapGXL(String fileName) {
try {
HeapGraphWriter hgw = new HeapGXLWriter();
hgw.write(fileName);
System.out.println("heap written to " + fileName);
return true;
} catch (IOException exp) {
System.err.println(exp.getMessage());
return false;
}
}
public boolean writeHeapGXL() {
return writeHeapGXL("heap.xml");
}
private int mode;
}