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-rw-r--r--tools/pkt_gen/trex/trex.py19
1 files changed, 14 insertions, 5 deletions
diff --git a/tools/pkt_gen/trex/trex.py b/tools/pkt_gen/trex/trex.py
index abae35dc..70864a53 100644
--- a/tools/pkt_gen/trex/trex.py
+++ b/tools/pkt_gen/trex/trex.py
@@ -27,9 +27,18 @@ from conf import settings
from conf import merge_spec
from core.results.results_constants import ResultsConstants
from tools.pkt_gen.trafficgen.trafficgen import ITrafficGenerator
-# pylint: disable=wrong-import-position, import-error
-sys.path.append(settings.getValue('PATHS')['trafficgen']['trex']['src']['path'])
-from trex_stl_lib.api import *
+try:
+ # pylint: disable=wrong-import-position, import-error
+ sys.path.append(settings.getValue('PATHS')['trafficgen']['Trex']['src']['path'])
+ from trex_stl_lib.api import *
+except ImportError:
+ # VSPERF performs detection of T-Rex api during testcase initialization. So if
+ # T-Rex is requsted and API is not available it will fail before this code
+ # is reached.
+ # This code can be reached in case that --list-trafficgens is called, but T-Rex
+ # api is not installed. In this case we can ignore an exception, becuase T-Rex
+ # import won't be used.
+ pass
_EMPTY_STATS = {
'global': {'bw_per_core': 0.0,
@@ -337,8 +346,8 @@ class Trex(ITrafficGenerator):
raise NotImplementedError(
'Trex stop_cont_traffic method not implemented')
- def send_rfc2544_throughput(self, traffic=None, duration=60,
- lossrate=0.0, tests=10):
+ def send_rfc2544_throughput(self, traffic=None, tests=1, duration=60,
+ lossrate=0.0):
"""See ITrafficGenerator for description
"""
self._logger.info("In Trex send_rfc2544_throughput method")