X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=GPL%2Ftools%2Ftrex%2Ftrex_stl_profile.py;h=cef985870c3a4f312c99e04f99271c7ec51937d4;hp=ba2fc7c6db9149a4428e00d8756db788d7024473;hb=7829fea4a2c8936513fa95215b7d84997f814a69;hpb=624e580159dc056035d7e962582e86a000f8c3d6 diff --git a/GPL/tools/trex/trex_stl_profile.py b/GPL/tools/trex/trex_stl_profile.py index ba2fc7c6db..cef985870c 100644 --- a/GPL/tools/trex/trex_stl_profile.py +++ b/GPL/tools/trex/trex_stl_profile.py @@ -34,9 +34,9 @@ import sys import time sys.path.insert( - 0, u"/opt/trex-core-2.86/scripts/automation/trex_control_plane/interactive/" + 0, u"/opt/trex-core-2.88/scripts/automation/trex_control_plane/interactive/" ) -from trex.stl.api import * +from trex.stl.api import STLClient, STLProfile, STLError def fmt_latency(lat_min, lat_avg, lat_max, hdrh): @@ -80,6 +80,7 @@ def simple_burst( async_start=False, traffic_directions=2, force=False, + delay=0.0, ): """Send traffic and measure packet loss and latency. @@ -108,6 +109,7 @@ def simple_burst( :param async_start: Start the traffic and exit. :param traffic_directions: Bidirectional (2) or unidirectional (1) traffic. :param force: Force start regardless of ports state. + :param delay: Sleep overhead [s]. :type profile_file: str :type framesize: int or str :type duration: float @@ -118,6 +120,7 @@ def simple_burst( :type async_start: bool :type traffic_directions: int :type force: bool + :type delay: float """ client = None total_rcvd = 0 @@ -152,7 +155,7 @@ def simple_burst( if u"macsrc" in profile_file: client.set_port_attr(ports=[port_0, port_1], promiscuous=True) if isinstance(framesize, int): - last_stream_a = int((len(streams) - 2 ) / 2) + last_stream_a = int((len(streams) - 2) / 2) last_stream_b = (last_stream_a * 2) client.add_streams(streams[0:last_stream_a], ports=[port_0]) if traffic_directions > 1: @@ -201,18 +204,20 @@ def simple_burst( xsnap1 = client.ports[1].get_xstats().reference_stats print(f"Xstats snapshot 1: {xsnap1!r}") else: - # Block until done: time_start = time.monotonic() - client.wait_on_traffic(ports=ports, timeout=duration+30) + # wait_on_traffic fails if duration stretches by 30 seconds or more. + # TRex has some overhead, wait some more. + time.sleep(duration + delay) + client.stop() time_stop = time.monotonic() - approximated_duration = time_stop - time_start - + approximated_duration = time_stop - time_start - delay + # Read the stats after the traffic stopped (or time up). + stats = client.get_stats() if client.get_warnings(): for warning in client.get_warnings(): print(warning) - - # Read the stats after the test - stats = client.get_stats() + # Now finish the complete reset. + client.reset() print(u"##### Statistics #####") print(json.dumps(stats, indent=4, separators=(u",", u": "))) @@ -314,6 +319,10 @@ def main(): u"--force", action=u"store_true", default=False, help=u"Force start regardless of ports state." ) + parser.add_argument( + u"--delay", required=True, type=float, default=0.0, + help=u"Delay assumed for traffic, sleep time is increased by this [s]." + ) args = parser.parse_args() @@ -333,6 +342,7 @@ def main(): async_start=args.async_start, traffic_directions=args.traffic_directions, force=args.force, + delay=args.delay, )