From 7772d0893579d0627c10515aeb6d9c9c8204316d Mon Sep 17 00:00:00 2001 From: Ido Barnea Date: Wed, 29 Jun 2016 16:18:13 +0300 Subject: flow stat/latency error counters code + documentation --- .../stl/examples/stl_flow_stats.py | 45 +++++++++++++--------- 1 file changed, 26 insertions(+), 19 deletions(-) (limited to 'scripts/automation/trex_control_plane/stl/examples/stl_flow_stats.py') diff --git a/scripts/automation/trex_control_plane/stl/examples/stl_flow_stats.py b/scripts/automation/trex_control_plane/stl/examples/stl_flow_stats.py index ed4902fa..3c630ece 100644 --- a/scripts/automation/trex_control_plane/stl/examples/stl_flow_stats.py +++ b/scripts/automation/trex_control_plane/stl/examples/stl_flow_stats.py @@ -1,3 +1,5 @@ +# Example showing how to define stream for getting per flow statistics, and how to parse the received statistics + import stl_path from trex_stl_lib.api import * @@ -27,18 +29,14 @@ def rx_example (tx_port, rx_port, burst_size, bw): # prepare our ports c.reset(ports = [tx_port, rx_port]) - # add both streams to ports + # add stream to port c.add_streams([s1], ports = [tx_port]) - print("\ninjecting {0} packets on port {1}\n".format(total_pkts, tx_port)) - - for i in range(0, 10): - print("\nStarting iteration: {0}:".format(i)) - rc = rx_iteration(c, tx_port, rx_port, total_pkts, pkt.get_pkt_len(), bw) - if not rc: - passed = False - break + print("\ngoing to inject {0} packets on port {1}\n".format(total_pkts, tx_port)) + rc = rx_iteration(c, tx_port, rx_port, total_pkts, s1.get_pkt_len()) + if not rc: + passed = False except STLError as e: passed = False @@ -48,19 +46,21 @@ def rx_example (tx_port, rx_port, burst_size, bw): c.disconnect() if passed: - print("\nTest has passed :-)\n") + print("\nTest passed :-)\n") else: - print("\nTest has failed :-(\n") + print("\nTest failed :-(\n") # RX one iteration -def rx_iteration (c, tx_port, rx_port, total_pkts, pkt_len, bw): - +def rx_iteration (c, tx_port, rx_port, total_pkts, pkt_len): + ret = True + c.clear_stats() c.start(ports = [tx_port]) c.wait_on_traffic(ports = [tx_port]) - flow_stats = c.get_stats()['flow_stats'].get(5) + global_flow_stats = c.get_stats()['flow_stats'] + flow_stats = global_flow_stats.get(5) if not flow_stats: print("no flow stats available") return False @@ -78,26 +78,33 @@ def rx_iteration (c, tx_port, rx_port, total_pkts, pkt_len, bw): if tx_pkts != total_pkts: print("TX pkts mismatch - got: {0}, expected: {1}".format(tx_pkts, total_pkts)) pprint.pprint(flow_stats) - return False + ret = False else: print("TX pkts match - {0}".format(tx_pkts)) if tx_bytes != (total_pkts * pkt_len): print("TX bytes mismatch - got: {0}, expected: {1}".format(tx_bytes, (total_pkts * pkt_len))) pprint.pprint(flow_stats) - return False + ret = False else: print("TX bytes match - {0}".format(tx_bytes)) if rx_pkts != total_pkts: print("RX pkts mismatch - got: {0}, expected: {1}".format(rx_pkts, total_pkts)) pprint.pprint(flow_stats) - return False + ret = False else: print("RX pkts match - {0}".format(rx_pkts)) - return True + + for field in ['rx_err', 'tx_err']: + for port in global_flow_stats['global'][field].keys(): + if global_flow_stats['global'][field][port] != 0: + print ("\n{0} on port {1}: {2} - You should consider increasing rx_delay_ms value in wait_on_traffic" + .format(field, port, global_flow_stats['global'][field][port])) + + return ret # run the tests -rx_example(tx_port = 1, rx_port = 2, burst_size = 500000, bw = 50) +rx_example(tx_port = 0, rx_port = 1, burst_size = 500, bw = 50) -- cgit 1.2.3-korg