diff --git a/src/ripple/rpc/impl/ServerHandlerImp.cpp b/src/ripple/rpc/impl/ServerHandlerImp.cpp
index 6fccb89cc5..3aed453828 100644
--- a/src/ripple/rpc/impl/ServerHandlerImp.cpp
+++ b/src/ripple/rpc/impl/ServerHandlerImp.cpp
@@ -377,6 +377,25 @@ ServerHandlerImp::onStopped(Server&)
 
 //------------------------------------------------------------------------------
 
+template <class T>
+void
+logDuration(
+    Json::Value const& request,
+    T const& duration,
+    beast::Journal& journal)
+{
+    using namespace std::chrono_literals;
+    auto const level = (duration >= 10s)
+        ? journal.error()
+        : (duration >= 1s) ? journal.warn() : journal.debug();
+
+    JLOG(level) << "RPC request processing duration = "
+                << std::chrono::duration_cast<std::chrono::microseconds>(
+                       duration)
+                       .count()
+                << " microseconds. request = " << request;
+}
+
 Json::Value
 ServerHandlerImp::processSession(
     std::shared_ptr<WSSession> const& session,
@@ -458,7 +477,10 @@ ServerHandlerImp::processSession(
                 jv,
                 {is->user(), is->forwarded_for()}};
 
+            auto start = std::chrono::system_clock::now();
             RPC::doCommand(context, jr[jss::result]);
+            auto end = std::chrono::system_clock::now();
+            logDuration(jv, end - start, m_journal);
         }
     }
     catch (std::exception const& ex)
@@ -851,7 +873,11 @@ ServerHandlerImp::processRequest(
             params,
             {user, forwardedFor}};
         Json::Value result;
+        auto start = std::chrono::system_clock::now();
         RPC::doCommand(context, result);
+        auto end = std::chrono::system_clock::now();
+        logDuration(params, end - start, m_journal);
+
         usage.charge(loadType);
         if (usage.warn())
             result[jss::warning] = jss::load;