@Override
public void sampleAllocation(int count, String name, Object instance, long sizeBytes) {
if (count != -1) {
AtomicLongMap<Integer> lengths = arrayLengths.get(name);
if (lengths != null) lengths.getAndIncrement(count);
}
Long threshold = trackSources.get(name);
Long now = totalBytes.addAndGet(name, sizeBytes);
if (threshold != null) {
// if this whole lookup/check/put could be made atomic, that'd be awesome
if (now - threshold >= lastSampledSize.get(name)) {
lastSampledSize.put(name, now);
// eek, object creation getting the trace
StackTraceElement[] trace = AllocationEfficientStacktrace.stack(2, 50);
traces.get(name).offer(trace);
}
}
}
