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-rwxr-xr-xnfvbench/traffic_client.py19
1 files changed, 16 insertions, 3 deletions
diff --git a/nfvbench/traffic_client.py b/nfvbench/traffic_client.py
index c711cfb..6972509 100755
--- a/nfvbench/traffic_client.py
+++ b/nfvbench/traffic_client.py
@@ -58,8 +58,11 @@ class TrafficRunner(object):
return None
LOG.info('Running traffic generator')
self.client.gen.clear_stats()
- # Debug use only : new '--service-mode' option available for the NFVBench command line.
- # A read-only mode TRex console would be able to capture the generated traffic.
+ # Debug use only: the service_mode flag may have been set in
+ # the configuration, in order to enable the 'service' mode
+ # in the trex generator, before starting the traffic (run).
+ # From this point, a T-rex console (launched in readonly mode) would
+ # then be able to capture the transmitted and/or received traffic.
self.client.gen.set_service_mode(enabled=self.service_mode)
LOG.info('Service mode is %sabled', 'en' if self.service_mode else 'dis')
self.client.gen.start_traffic()
@@ -1120,7 +1123,6 @@ class TrafficClient(object):
for percentile in self.config.lat_percentiles:
retDict['overall']['rx']['lat_percentile'][percentile] = \
decoded_histogram.get_value_at_percentile(percentile)
-
else:
retDict['overall'] = retDict[ports[0]]
retDict['overall']['drop_rate_percent'] = self.__get_dropped_rate(retDict['overall'])
@@ -1250,6 +1252,17 @@ class TrafficClient(object):
"""
self._modify_load(rate)
+ # There used to be a inconsistency in case of interface speed override.
+ # The emulated 'intf_speed' value is unknown to the T-Rex generator which
+ # refers to the detected line rate for converting relative traffic loads.
+ # Therefore, we need to convert actual rates here, in terms of packets/s.
+
+ for idx, str_rate in enumerate(self.gen.rates):
+ if str_rate.endswith('%'):
+ float_rate = float(str_rate.replace('%', '').strip())
+ pps_rate = self.__convert_rates({'rate_percent': float_rate})['rate_pps']
+ self.gen.rates[idx] = str(pps_rate) + 'pps'
+
# poll interval stats and collect them
for stats in self.run_traffic():
self.interval_collector.add(stats)