long from = Long.MAX_VALUE;
long to = Long.MIN_VALUE;
VmLogAppender a = getAppender();
if (a != null) {
LruList events = a.getEvents();
if (events != null) {
Iterable<PaxLoggingEvent> iterable = events.getElements();
if (iterable != null) {
int matched = 0;
for (PaxLoggingEvent event : iterable) {
if (event != null) {
long timestamp = event.getTimeStamp();