diff --git a/libraries/chain/include/eosio/chain/transaction_context.hpp b/libraries/chain/include/eosio/chain/transaction_context.hpp
index 623c65fabe8974a2ec351cf57a7e9d90c436a90e..008c341a179b7581c4ec6e009d3f1157a4de9681 100644
--- a/libraries/chain/include/eosio/chain/transaction_context.hpp
+++ b/libraries/chain/include/eosio/chain/transaction_context.hpp
@@ -77,7 +77,7 @@ namespace eosio { namespace chain {
          bool                          apply_context_free = true;
 
          fc::time_point                deadline = fc::time_point::maximum();
-         fc::microseconds              leeway = fc::microseconds(1000);
+         fc::microseconds              leeway = fc::microseconds(3000);
          int64_t                       billed_cpu_time_us = 0;
 
       private:
diff --git a/libraries/chain/transaction_context.cpp b/libraries/chain/transaction_context.cpp
index e8fe6401b84c0abe8ac600b75039934571c1bc7b..01e04484990a3022611a1769daca28842fee70c1 100644
--- a/libraries/chain/transaction_context.cpp
+++ b/libraries/chain/transaction_context.cpp
@@ -289,16 +289,16 @@ namespace eosio { namespace chain {
          } else if( deadline_exception_code == block_cpu_usage_exceeded::code_value ) {
             EOS_THROW( block_cpu_usage_exceeded,
                        "not enough time left in block to complete executing transaction",
-                       ("now", now)("deadline", _deadline)("start", start) );
+                       ("now", now)("deadline", _deadline)("start", start)("billing_timer", now - pseudo_start) );
          } else if( deadline_exception_code == tx_cpu_usage_exceeded::code_value ) {
             EOS_THROW( tx_cpu_usage_exceeded,
                        "transaction was executing for too long",
-                       ("now", now)("deadline", _deadline)("start", start) );
+                       ("now", now)("deadline", _deadline)("start", start)("billing_timer", now - pseudo_start) );
          } else if( deadline_exception_code == leeway_deadline_exception::code_value ) {
             EOS_THROW( leeway_deadline_exception,
                        "the transaction was unable to complete by deadline, "
-                       "but it is possible it could have succeeded if it were allow to run to completion",
-                       ("now", now)("deadline", _deadline)("start", start) );
+                       "but it is possible it could have succeeded if it were allowed to run to completion",
+                       ("now", now)("deadline", _deadline)("start", start)("billing_timer", now - pseudo_start) );
          }
          FC_ASSERT( false, "unexpected deadline exception code" );
       }