private long computeFinalizers(Heap heap) {
JavaClass finalizerClass = heap.getJavaClassByName("java.lang.ref.Finalizer"); // NOI18N
if (finalizerClass != null) {
Instance queue = (Instance) finalizerClass.getValueOfStaticField("queue"); // NOI18N
if (queue != null) {
Long len = (Long) queue.getValueOfField("queueLength"); // NOI18N
if (len != null) {
return len.longValue();
}
}
}
return -1;
}
private String printInstance(Instance in) {
String className;
JavaClass jcls = in.getJavaClass();
if (jcls == null) {
return "unknown instance #" + in.getInstanceId(); // NOI18N
}
if (jcls.equals(getJavaClass())) {
JavaClass javaClass =
heapFragmentWalker.getHeapFragment().getJavaClassByID(in.getInstanceId());
if (javaClass != null) {
className = javaClass.getName();
return "<a href='"
+ CLASS_URL_PREFIX
+ className
+ "/"
+ javaClass.getJavaClassId()
+ "'>class "
+ className
+ "</a>"; // NOI18N
}
}
className = jcls.getName();
return "<a href='"
+ INSTANCE_URL_PREFIX
+ className
+ "/"
+ in.getInstanceNumber()
+ "/"
+ in.getInstanceId()
+ "' name='"
+ in.getInstanceId()
+ "'>"
+ className
+ '#'
+ in.getInstanceNumber()
+ "</a>"; // NOI18N
}
public String computeSummary() {
File file = heapFragmentWalker.getHeapDumpFile();
Heap heap = heapFragmentWalker.getHeapFragment();
HeapSummary hsummary = heap.getSummary();
long finalizers = computeFinalizers(heap);
int nclassloaders = 0;
JavaClass cl = heap.getJavaClassByName("java.lang.ClassLoader"); // NOI18N
NumberFormat numberFormat = (NumberFormat) NumberFormat.getInstance().clone();
numberFormat.setMaximumFractionDigits(1);
oome = getOOMEThread(heap);
if (cl != null) {
nclassloaders = cl.getInstancesCount();
Collection<JavaClass> jcs = cl.getSubClasses();
for (JavaClass jc : jcs) {
nclassloaders += jc.getInstancesCount();
}
}
String filename =
" " // NOI18N
+ Bundle.OverviewController_FileItemString(
file != null && file.exists()
? file.getAbsolutePath()
: Bundle.OverviewController_NotAvailableMsg());
String filesize =
" " // NOI18N
+ Bundle.OverviewController_FileSizeItemString(
file != null && file.exists()
? numberFormat.format(file.length() / (1024 * 1024.0)) + " MB"
: // NOI18N
Bundle.OverviewController_NotAvailableMsg());
String dateTaken =
" " // NOI18N
+ Bundle.OverviewController_DateTakenItemString(
new Date(hsummary.getTime()).toString());
String liveBytes =
" " // NOI18N
+ Bundle.OverviewController_TotalBytesItemString(
numberFormat.format(hsummary.getTotalLiveBytes()));
String liveClasses =
" " // NOI18N
+ Bundle.OverviewController_TotalClassesItemString(
numberFormat.format(heap.getAllClasses().size()));
String liveInstances =
" " // NOI18N
+ Bundle.OverviewController_TotalInstancesItemString(
numberFormat.format(hsummary.getTotalLiveInstances()));
String classloaders =
" " // NOI18N
+ Bundle.OverviewController_ClassloadersItemString(numberFormat.format(nclassloaders));
String gcroots =
" " // NOI18N
+ Bundle.OverviewController_GcRootsItemString(
numberFormat.format(heap.getGCRoots().size()));
String finalizersInfo =
" " // NOI18N
+ Bundle.OverviewController_FinalizersItemString(numberFormat.format(finalizers));
String oomeString = "";
if (oome != null) {
Instance thread = oome.getInstance();
String threadName = htmlize(getThreadName(thread));
String threadUrl =
"<a href='"
+ THREAD_URL_PREFIX
+ thread.getJavaClass().getName()
+ "/"
+ thread.getInstanceId()
+ "'>"
+ threadName
+ "</a>"; // NOI18N
oomeString =
"<br><br> " // NOI18N
+ Bundle.OverviewController_OOMELabelString()
+ "<br> "
+ Bundle.OverviewController_OOMEItemString(threadUrl);
}
String memoryRes = Icons.getResource(ProfilerIcons.HEAP_DUMP);
return "<b><img border='0' align='bottom' src='nbresloc:/"
+ memoryRes
+ "'> " // NOI18N
+ Bundle.OverviewController_SummaryString()
+ "</b><br><hr>"
+ dateTaken
+ "<br>"
+ filename
+ "<br>"
+ filesize
+ "<br><br>"
+ liveBytes // NOI18N
+ "<br>"
+ liveClasses
+ "<br>"
+ liveInstances
+ "<br>"
+ classloaders
+ "<br>"
+ gcroots
+ "<br>"
+ finalizersInfo
+ oomeString; // NOI18N
}