diff --git a/src/xrpld/app/ledger/LedgerHistory.cpp b/src/xrpld/app/ledger/LedgerHistory.cpp
index dcbd722120..0f12120d00 100644
--- a/src/xrpld/app/ledger/LedgerHistory.cpp
+++ b/src/xrpld/app/ledger/LedgerHistory.cpp
@@ -56,6 +56,10 @@ LedgerHistory::insert(
     std::shared_ptr<Ledger const> const& ledger,
     bool validated)
 {
+    static unsigned long call_count{0};
+    JLOG(j_.debug()) << "LedgerHistory lock stats,"
+                     << ", insert, call_count = " << call_count++;
+
     if (!ledger->isImmutable())
         LogicError("mutable Ledger in insert");
 
@@ -74,6 +78,10 @@ LedgerHistory::insert(
 LedgerHash
 LedgerHistory::getLedgerHash(LedgerIndex index)
 {
+    static unsigned long call_count{0};
+    JLOG(j_.debug()) << "LedgerHistory lock stats,"
+                     << ", getLedgerHash, call_count = " << call_count++;
+
     if (auto it = mLedgersByIndex.find(index); it != mLedgersByIndex.end())
         return it->second;
     return {};
@@ -82,6 +90,10 @@ LedgerHistory::getLedgerHash(LedgerIndex index)
 std::shared_ptr<Ledger const>
 LedgerHistory::getLedgerBySeq(LedgerIndex index)
 {
+    static unsigned long call_count{0};
+    JLOG(j_.debug()) << "LedgerHistory lock stats,"
+                     << ", getLedgerBySeq, call_count = " << call_count++;
+
     {
         auto it = mLedgersByIndex.find(index);
 
@@ -525,6 +537,10 @@ LedgerHistory::validatedLedger(
 bool
 LedgerHistory::fixIndex(LedgerIndex ledgerIndex, LedgerHash const& ledgerHash)
 {
+    static unsigned long call_count{0};
+    JLOG(j_.debug()) << "LedgerHistory lock stats,"
+                     << ", fixIndex, call_count = " << call_count++;
+
     auto ledger = m_ledgers_by_hash.fetch(ledgerHash);
     auto it = mLedgersByIndex.find(ledgerIndex);
     if (ledger && (it != mLedgersByIndex.end()) && (it->second != ledgerHash))