NFVBENCH-215 Fix wrong throughput ratio in latency tests

[nfvbench.git] / nfvbench / traffic_server.py

diff --git a/nfvbench/traffic_server.py b/nfvbench/traffic_server.py
index 53f4f39..2c85286 100644 (file)
--- a/nfvbench/traffic_server.py
+++ b/nfvbench/traffic_server.py
@@ -72,8 +72,8 @@ class TRexTrafficServer(TrafficServer):
                                                                  hdrh_opt,
                                                                  mbuf_opt, cfg)]
         LOG.info(' '.join(cmd))
-        subprocess.Popen(cmd, cwd=self.trex_dir)
-        LOG.info('TRex server is running...')
+        with subprocess.Popen(cmd, cwd=self.trex_dir) as trex_process:
+            LOG.info('TRex server is running (PID: %s)...', trex_process.pid)
 
     def __load_config(self, filename):
         result = {}