[AbstractWorkStealingStats] actually use hint stats

emper/strategies/AbstractWorkStealingScheduler.cpp

@@ -168,6 +168,7 @@ popBottom:
 					if (stolen) {
 						fiber = (*stolen).first;
 						fiberSource = FiberSource::hintWsq;
+						emper::statsIncr(awss::stats.nextFiberFromHintLocal);
 						goto out;
 					}
 				} break;
@@ -177,6 +178,7 @@ popBottom:
 					if (fromAnywhere) {
 						fiber = (*fromAnywhere).first;
 						fiberSource = FiberSource::hintAq;
+						emper::statsIncr(awss::stats.nextFiberFromHintAnywhere);
 						goto out;
 					}
 					break;

emper/strategies/AbstractWorkStealingWorkerStats.cpp

@@ -10,6 +10,8 @@ auto AbstractWorkStealingWorkerStats::operator+=(const AbstractWorkStealingWorke
 	scheduledFibersToOverflowQueue += other.scheduledFibersToOverflowQueue;
 	maxQueueLength = std::max(maxQueueLength, other.maxQueueLength);
 	nextFiberFromLocal += other.nextFiberFromLocal;
+	nextFiberFromHintLocal += other.nextFiberFromHintLocal;
+	nextFiberFromHintAnywhere += other.nextFiberFromHintAnywhere;
 	nextFiberStolen += other.nextFiberStolen;
 	nextFiberFromAnywhereQueue += other.nextFiberFromAnywhereQueue;