Fixes the issue with show interface counters and for pfc and queue counters.

scripts/pfcstat

@@ -18,6 +18,7 @@ from natsort import natsorted
 from tabulate import tabulate
 
 from sonic_py_common.multi_asic import get_external_ports
+from utilities_common.netstat import ns_diff, STATUS_NA
 from utilities_common import multi_asic as multi_asic_util
 from utilities_common import constants
 
@@ -63,7 +64,6 @@ counter_bucket_tx_dict = {
     'SAI_PORT_STAT_PFC_7_TX_PKTS': 7
 }
 
-STATUS_NA = 'N/A'
 
 COUNTER_TABLE_PREFIX = "COUNTERS:"
 COUNTERS_PORT_NAME_MAP = "COUNTERS_PORT_NAME_MAP"
@@ -155,16 +155,6 @@ class Pfcstat(object):
         """
             Print the difference between two cnstat results.
         """
-        def ns_diff(newstr, oldstr):
-            """
-                Calculate the diff.
-            """
-            if newstr == STATUS_NA or oldstr == STATUS_NA:
-                return STATUS_NA
-            else:
-                new, old = int(newstr), int(oldstr)
-                return '{:,}'.format(new - old)
-
         table = []
 
         for key, cntr in cnstat_new_dict.iteritems():

scripts/portstat

@@ -140,13 +140,12 @@ class Portstat(object):
         """
         # Get speed from APPL_DB
         full_table_id = PORT_STATUS_TABLE_PREFIX + port_name
-        speed = PORT_RATE
         for ns in self.multi_asic.get_ns_list_based_on_options():
             self.db = multi_asic.connect_to_all_dbs_for_ns(ns)
             speed = self.db.get(self.db.APPL_DB, full_table_id, PORT_SPEED_FIELD)
             if speed is not None:
                 return int(speed)//1000
-        return speed
+        return PORT_RATE
 
     def get_port_state(self, port_name):
         """
@@ -294,13 +293,13 @@ class Portstat(object):
                     table.append((key, self.get_port_state(key),
                                   ns_diff(cntr.rx_ok, old_cntr.rx_ok),
                                   ns_brate(cntr.rx_byt, old_cntr.rx_byt, time_gap),
-                                  ns_util(cntr.rx_byt, old_cntr.rx_byt, time_gap),
+                                  ns_util(cntr.rx_byt, old_cntr.rx_byt, time_gap, port_speed),
                                   ns_diff(cntr.rx_err, old_cntr.rx_err),
                                   ns_diff(cntr.rx_drop, old_cntr.rx_drop),
                                   ns_diff(cntr.rx_ovr, old_cntr.rx_ovr),
                                   ns_diff(cntr.tx_ok, old_cntr.tx_ok),
                                   ns_brate(cntr.tx_byt, old_cntr.tx_byt, time_gap),
-                                  ns_util(cntr.tx_byt, old_cntr.tx_byt, time_gap),
+                                  ns_util(cntr.tx_byt, old_cntr.tx_byt, time_gap, port_speed),
                                   ns_diff(cntr.tx_err, old_cntr.tx_err),
                                   ns_diff(cntr.tx_drop, old_cntr.tx_drop),
                                   ns_diff(cntr.tx_ovr, old_cntr.tx_ovr)))

scripts/queuestat

@@ -28,8 +28,7 @@ counter_bucket_dict = {
     'SAI_QUEUE_STAT_DROPPED_BYTES': 5,
 }
 
-STATUS_NA = 'N/A'
-STATUS_INVALID = 'INVALID'
+from utilities_common.netstat import ns_diff, STATUS_NA
 
 QUEUE_TYPE_MC = 'MC'
 QUEUE_TYPE_UC = 'UC'
@@ -158,16 +157,6 @@ class Queuestat(object):
         """
             Print the difference between two cnstat results.
         """
-        def ns_diff(newstr, oldstr):
-            """
-                Calculate the diff.
-            """
-            if newstr == STATUS_NA or oldstr == STATUS_NA:
-                return STATUS_NA
-            else:
-                new, old = int(newstr), int(oldstr)
-                return '{:,}'.format(new - old)
-
         table = []
 
         for key, cntr in cnstat_new_dict.iteritems():

utilities_common/netstat.py

@@ -9,11 +9,15 @@ def ns_diff(newstr, oldstr):
     """
         Calculate the diff.
     """
-    if newstr == STATUS_NA or oldstr == STATUS_NA:
+    if newstr == STATUS_NA:
         return STATUS_NA
-    else:
-        new, old = int(newstr), int(oldstr)
-        return '{:,}'.format(max(0, new - old))
+
+    # if new is valid but old is not we should return new
+    if oldstr == STATUS_NA:
+        oldstr = '0'
+
+    new, old = int(newstr), int(oldstr)
+    return '{:,}'.format(max(0, new - old))
 
 def ns_brate(newstr, oldstr, delta):
     """