[master][tx-route] when act-on-temp dump txdesc and trace

src/sql/ob_sql_trans_control.cpp

@@ -56,6 +56,9 @@
     TRANS_LOG(ERROR, "trans act on txn temporary node", KR(ret),        \
               K(session->get_txn_free_route_ctx()),                     \
               K(session->get_tx_id()), KPC(session));                   \
+    if (session->get_tx_desc()) {                                       \
+      session->get_tx_desc()->dump_and_print_trace();                   \
+    }                                                                   \
   }
 
 namespace oceanbase

src/storage/tx/ob_trans_define_v4.cpp

@@ -483,6 +483,19 @@ void ObTxDesc::print_trace()
   }
 }
 
+void ObTxDesc::dump_and_print_trace()
+{
+  int ret = OB_SUCCESS;
+  if (OB_FAIL(lock_.trylock())) {
+    TRANS_LOG(WARN, "acquire lock fail", K(ret), KP(this), K(tx_id_));
+  } else {
+    share::ObTaskController::get().allow_next_syslog();
+    TRANS_LOG(INFO, "[tx desc dump]", KPC(this));
+    print_trace_();
+    lock_.unlock();
+  }
+}
+
 bool ObTxDesc::in_tx_or_has_extra_state()
 {
   ObSpinLockGuard guard(lock_);

src/storage/tx/ob_trans_define_v4.h

@@ -616,6 +616,7 @@ public:
   bool is_in_tx() const { return state_ > State::IDLE; }
   bool is_tx_active() const { return state_ >= State::ACTIVE && state_ < State::IN_TERMINATE; }
   void print_trace();
+  void dump_and_print_trace();
   bool in_tx_or_has_extra_state();
   bool in_tx_for_free_route();
   const ObTransID &get_tx_id() const { return tx_id_; }