Added min latency calc in Python

2 files changed, 11 insertions, 1 deletions

diff --git a/scripts/automation/trex_control_plane/stl/examples/stl_flow_latency_stats.py b/scripts/automation/trex_control_plane/stl/examples/stl_flow_latency_stats.py
index ea0ba221..df0605bf 100644
--- a/scripts/automation/trex_control_plane/stl/examples/stl_flow_latency_stats.py
+++ b/scripts/automation/trex_control_plane/stl/examples/stl_flow_latency_stats.py
@@ -78,6 +78,7 @@ def rx_iteration (c, tx_port, rx_port, total_pkts, pkt_len, bw):
     jitter = lat['jitter']
     avg = lat['average']
     tot_max = lat['total_max']
+    tot_min = lat['total_min']
     last_max = lat['last_max']
     hist = lat ['histogram']
     
@@ -90,6 +91,7 @@ def rx_iteration (c, tx_port, rx_port, total_pkts, pkt_len, bw):
     print('Error counters: dropped:{0}, ooo:{1} dup:{2} seq too high:{3} seq too low:{4}'.format(drops, ooo, dup, sth, stl))
     print('Latency info:')
     print("  Maximum latency(usec): {0}".format(tot_max))
+    print("  Minimum latency(usec): {0}".format(tot_min))
     print("  Maximum latency in last sampling period (usec): {0}".format(last_max))
     print("  Average latency(usec): {0}".format(avg))
     print("  Jitter(usec): {0}".format(jitter))
diff --git a/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_stats.py b/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_stats.py
index f9db22a1..98a08d55 100644
--- a/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_stats.py
+++ b/scripts/automation/trex_control_plane/stl/trex_stl_lib/trex_stl_stats.py
@@ -980,7 +980,15 @@ class CLatencyStats(CTRexStats):
                 output[int_pg_id]['latency']['total_max'] = current_pg['latency']['h']['max_usec']
                 output[int_pg_id]['latency']['histogram'] = current_pg['latency']['h']['histogram']
                 zero_count = current_pg['latency']['h']['cnt'] - current_pg['latency']['h']['high_cnt']
-                output[int_pg_id]['latency']['histogram'].append({'key':0, 'val':zero_count})
+                if zero_count != 0:
+                    output[int_pg_id]['latency']['histogram'].append({'key':0, 'val':zero_count})
+                    output[int_pg_id]['latency']['total_min'] = 1
+                else:
+                    min_usec = current_pg['latency']['h']['max_usec']
+                    for bucket in output[int_pg_id]['latency']['histogram']:
+                        if bucket['key'] < min_usec:
+                            min_usec = bucket['key']
+                    output[int_pg_id]['latency']['total_min'] = min_usec
         self.latest_stats = output
         return True