Index: wflow-py/wflow/reservoir_Sf.py
===================================================================
diff -u -rad5e049f1419c25bc30c20d2d0e1bcc56dcb4381 -ra70af6fb5d306fffe3f818867365fe27ea19e27e
--- wflow-py/wflow/reservoir_Sf.py	(.../reservoir_Sf.py)	(revision ad5e049f1419c25bc30c20d2d0e1bcc56dcb4381)
+++ wflow-py/wflow/reservoir_Sf.py	(.../reservoir_Sf.py)	(revision a70af6fb5d306fffe3f818867365fe27ea19e27e)
@@ -52,6 +52,7 @@
     self.Sfa[k] = 0.
     self.wbSfa_[k] = self.Qfa_[k] - self.Qfa_[k] - self.Sfa[k] + self.Sfa_t[k] - sum(self.convQa[k]) + sum(self.convQa_t[k])
 
+@profile
 def fastRunoff_lag2(self, k):
     """
     - Lag is applied before inflow into the fast reservoir