diff --git a/beacon/validator/src/main/java/tech/pegasys/teku/validator/coordinator/BlockOperationSelectorFactory.java b/beacon/validator/src/main/java/tech/pegasys/teku/validator/coordinator/BlockOperationSelectorFactory.java
index 6b71266f7bf..a19ea1db0de 100644
--- a/beacon/validator/src/main/java/tech/pegasys/teku/validator/coordinator/BlockOperationSelectorFactory.java
+++ b/beacon/validator/src/main/java/tech/pegasys/teku/validator/coordinator/BlockOperationSelectorFactory.java
@@ -123,9 +123,12 @@ public Function<BeaconBlockBodyBuilder, SafeFuture<Void>> createSelector(
     return bodyBuilder -> {
       final Eth1Data eth1Data = eth1DataCache.getEth1Vote(blockSlotState);
 
+      final long start = System.nanoTime();
       final SszList<Attestation> attestations =
           attestationPool.getAttestationsForBlock(
               blockSlotState, new AttestationForkChecker(spec, blockSlotState));
+      System.out.println("getAttestationsForBlock: " + (System.nanoTime() - start) / 1_000_000 + "ms");
+
 
       // Collect slashings to include
       final Set<UInt64> exitedValidators = new HashSet<>();
diff --git a/ethereum/statetransition/src/main/java/tech/pegasys/teku/statetransition/attestation/AggregatingAttestationPool.java b/ethereum/statetransition/src/main/java/tech/pegasys/teku/statetransition/attestation/AggregatingAttestationPool.java
index 5030b4cc6ce..b76a9d5be04 100644
--- a/ethereum/statetransition/src/main/java/tech/pegasys/teku/statetransition/attestation/AggregatingAttestationPool.java
+++ b/ethereum/statetransition/src/main/java/tech/pegasys/teku/statetransition/attestation/AggregatingAttestationPool.java
@@ -246,6 +246,9 @@ public synchronized SszList<Attestation> getAttestationsForBlock(
 
     final AtomicInteger prevEpochCount = new AtomicInteger(0);
 
+    dataHashBySlot.descendingMap().forEach(
+        (slot, dataHashes) -> System.out.println("slot: " + slot + ", dataHashes: " + dataHashes.size()));
+
     return dataHashBySlot
         // We can immediately skip any attestations from the block slot or later
         .headMap(stateAtBlockSlot.getSlot(), false)