diff --git a/TestON/tests/SCPF/SCPFswitchLat/SCPFswitchLat.params b/TestON/tests/SCPF/SCPFswitchLat/SCPFswitchLat.params
index 8680b5c..699baa9 100644
--- a/TestON/tests/SCPF/SCPFswitchLat/SCPFswitchLat.params
+++ b/TestON/tests/SCPF/SCPFswitchLat/SCPFswitchLat.params
@@ -1,13 +1,13 @@
 <PARAMS>
-    <testcases>0,1,2,1,2,1,2,1,2</testcases>
+    <testcases>0,1,2,1,2,1,2</testcases>
 
     <GRAPH>
         <nodeCluster>BM</nodeCluster>
         <builds>20</builds>
     </GRAPH>
 
-    <SCALE>1,3,5,7</SCALE>
-    <max>7</max>
+    <SCALE>1,3,5</SCALE>
+    <max>5</max>
 
     <ENV>
         <cellName>topo_perf_test</cellName>
@@ -61,9 +61,11 @@
             <ACK>openflow\ \[ACK\]</ACK>
         </down>
     </TSHARK>
+
     <CFG>
         <defaultTopo>org.onosproject.net.topology.impl.DefaultTopologyProvider</defaultTopo>
     </CFG>
+
     <TEST>
         #'on' or 'off' debug mode.
         #If on, logging will be more verbose and
@@ -117,7 +119,7 @@
         <singleSwThreshold>0,1000</singleSwThreshold>
 
         <tabletFile>tablets_3node.json</tabletFile>
-   </TEST>
+    </TEST>
 
     <SLEEP>
         <startup>5</startup>
@@ -136,4 +138,11 @@
         <linkTimestamp>topologyLinkEventTimestamp</linkTimestamp>
         <graphTimestamp>topologyGraphEventTimestamp</graphTimestamp>
     </JSON>
+
+    <ALARM>
+        <maxSwitchUpAve>60,60,68</maxSwitchUpAve>
+        <maxSwitchUpStd>10,10,10</maxSwitchUpStd>
+        <maxSwitchDownAve>5,5,8</maxSwitchDownAve>
+        <maxSwitchDownStd>2,2,2</maxSwitchDownStd>
+    </ALARM>
 </PARAMS>
diff --git a/TestON/tests/SCPF/SCPFswitchLat/SCPFswitchLat.py b/TestON/tests/SCPF/SCPFswitchLat/SCPFswitchLat.py
index 8048d4f..f27b4f2 100644
--- a/TestON/tests/SCPF/SCPFswitchLat/SCPFswitchLat.py
+++ b/TestON/tests/SCPF/SCPFswitchLat/SCPFswitchLat.py
@@ -230,51 +230,40 @@
 
             main.log.report( "=====node{} Summary:=====".format( str( i ) ) )
             main.log.report( "=============Switch up=======" )
-
-            main.log.report(
-                            "End to End average: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Ave' ][ 'E_E' ] ) ) )
-            main.log.report(
-                            "End to End Std: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Std' ][ 'E_E' ] ) ) )
-
-            main.log.report(
-                            "TCP to Feature average: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Ave' ][ 'T_F' ] ) ) )
-            main.log.report(
-                            "TCP to Feature Std: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Std' ][ 'T_F' ] ) ) )
-
-            main.log.report(
-                            "Feature to Device average: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Ave' ][ 'F_D' ] ) ) )
-            main.log.report(
-                            "Feature to Device Std: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Std' ][ 'F_D' ] ) ) )
-
-            main.log.report(
-                            "Device to Graph average: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Ave' ][ 'D_G' ] ) ) )
-            main.log.report(
-                            "Device to Graph Std: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Std' ][ 'D_G' ] ) ) )
+            main.log.report( "End to End average: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Ave' ][ 'E_E' ] ) ) )
+            main.log.report( "End to End Std: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Std' ][ 'E_E' ] ) ) )
+            main.log.report( "TCP to Feature average: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Ave' ][ 'T_F' ] ) ) )
+            main.log.report( "TCP to Feature Std: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Std' ][ 'T_F' ] ) ) )
+            main.log.report( "Feature to Device average: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Ave' ][ 'F_D' ] ) ) )
+            main.log.report( "Feature to Device Std: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Std' ][ 'F_D' ] ) ) )
+            main.log.report( "Device to Graph average: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Ave' ][ 'D_G' ] ) ) )
+            main.log.report( "Device to Graph Std: {}".format( str( resultDict[ "up" ][ 'node' + str( i ) ][ 'Std' ][ 'D_G' ] ) ) )
 
             main.log.report( "=============Switch down=======" )
+            main.log.report( "End to End average: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Ave' ][ 'E_E' ] ) ) )
+            main.log.report( "End to End Std: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Std' ][ 'E_E' ] ) ) )
+            main.log.report( "Fin_ACK to ACK average: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Ave' ][ 'FA_A' ] ) ) )
+            main.log.report( "Fin_ACK to ACK Std: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Std' ][ 'FA_A' ] ) ) )
+            main.log.report( "ACK to Device average: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Ave' ][ 'A_D' ] ) ) )
+            main.log.report( "ACK to Device Std: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Std' ][ 'A_D' ] ) ) )
+            main.log.report( "Device to Graph average: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Ave' ][ 'D_G' ] ) ) )
+            main.log.report( "Device to Graph Std: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Std' ][ 'D_G' ] ) ) )
 
-            main.log.report(
-                            "End to End average: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Ave' ][ 'E_E' ] ) ) )
-            main.log.report(
-                            "End to End Std: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Std' ][ 'E_E' ] ) ) )
-
-            main.log.report(
-                            "Fin_ACK to ACK average: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Ave' ][ 'FA_A' ] ) ) )
-            main.log.report(
-                            "Fin_ACK to ACK Std: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Std' ][ 'FA_A' ] ) ) )
-
-            main.log.report(
-                            "ACK to Device average: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Ave' ][ 'A_D' ] ) ) )
-            main.log.report(
-                            "ACK to Device Std: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Std' ][ 'A_D' ] ) ) )
-
-            main.log.report(
-                            "Device to Graph average: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Ave' ][ 'D_G' ] ) ) )
-            main.log.report(
-                            "Device to Graph Std: {}".format( str( resultDict[ "down" ][ 'node' + str( i ) ][ 'Std' ][ 'D_G' ] ) ) )
+        # Check if any result is abnormal
+        result = resultDict[ 'up' ][ 'node' + str( maxDict[ 'up' ][ 'node' ] ) ][ 'Ave' ][ 'E_E' ]
+        if result > float( main.params[ 'ALARM' ][ 'maxSwitchUpAve' ].split( ',' )[ main.cycle - 1 ] ):
+            main.log.alarm( "Average of switch up latency is {} with cluster size {}".format( result, main.Cluster.numCtrls ) )
+        result = resultDict[ 'up' ][ 'node' + str( maxDict[ 'up' ][ 'node' ] ) ][ 'Std' ][ 'E_E' ]
+        if result > float( main.params[ 'ALARM' ][ 'maxSwitchUpStd' ].split( ',' )[ main.cycle - 1 ] ):
+            main.log.alarm( "Std of switch up latency is {} with cluster size {}".format( result, main.Cluster.numCtrls ) )
+        result = resultDict[ 'down' ][ 'node' + str( maxDict[ 'down' ][ 'node' ] ) ][ 'Ave' ][ 'E_E' ]
+        if result > float( main.params[ 'ALARM' ][ 'maxSwitchDownAve' ].split( ',' )[ main.cycle - 1 ] ):
+            main.log.alarm( "Average of switch down latency is {} with cluster size {}".format( result, main.Cluster.numCtrls ) )
+        result = resultDict[ 'down' ][ 'node' + str( maxDict[ 'down' ][ 'node' ] ) ][ 'Std' ][ 'E_E' ]
+        if result > float( main.params[ 'ALARM' ][ 'maxSwitchDownStd' ].split( ',' )[ main.cycle - 1 ] ):
+            main.log.alarm( "Std of switch down latency is {} with cluster size {}".format( result, main.Cluster.numCtrls ) )
 
         with open( main.dbFileName, "a" ) as dbFile:
-            # TODO: Save STD to Database
             # Scale number
             temp = str( main.Cluster.numCtrls )
             temp += ",'baremetal1'"