Here’s an example using GarbageCollectorMXBean
to print out GC stats. Presumably you would call this method periodically, e.g. scheduling using a ScheduledExecutorService
.
public void printGCStats() {
long totalGarbageCollections = 0;
long garbageCollectionTime = 0;
for(GarbageCollectorMXBean gc :
ManagementFactory.getGarbageCollectorMXBeans()) {
long count = gc.getCollectionCount();
if(count >= 0) {
totalGarbageCollections += count;
}
long time = gc.getCollectionTime();
if(time >= 0) {
garbageCollectionTime += time;
}
}
System.out.println("Total Garbage Collections: "
+ totalGarbageCollections);
System.out.println("Total Garbage Collection Time (ms): "
+ garbageCollectionTime);
}