[dts] [PATCH V4] tests/cbdma:fix multi_app_mode test case use the same prefix to start

[Ling Wei <weix.ling@intel.com>]

v1:
When start multi apps, if one as primary, another as secondary, we need use the same prefix to start.

v2:
Fix world spelling errors.

v3:
Fix world spelling errors and remove print logs code.

v4:
Add import os module.

Signed-off-by: Ling Wei <weix.ling@intel.com>
---
 tests/TestSuite_cbdma.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tests/TestSuite_cbdma.py b/tests/TestSuite_cbdma.py
index f95e2942..055eba0c 100755
--- a/tests/TestSuite_cbdma.py
+++ b/tests/TestSuite_cbdma.py
@@ -36,6 +36,7 @@ DPDK Test suite.
 import utils
 import re
 import time
+import os
 from test_case import TestCase
 from packet import Packet
 from pktgen import TRANSMIT_CONT
@@ -59,6 +60,7 @@ class TestCBDMA(TestCase):
         self.cbdma_proc = '--proc-type=primary'
         # default v_dev is None, case 1-6 use default None values, case7 use --vdev net_null_0
         self.v_dev = ''
+        self.prefix_subfix = 'dpdk' + '_' + str(os.getpid()) + '_' + time.strftime("%Y%m%d%H%M%S", time.localtime())
         out = self.dut.build_dpdk_apps('./examples/ioat')
         self.ioat_path = self.dut.apps_name['ioat']
         self.verify('Error' not in out, 'compilation ioat error')
@@ -382,11 +384,11 @@ class TestCBDMA(TestCase):
         self.get_core_list()
         self.pmdout = PmdOutput(self.dut)
         self.pmdout.start_testpmd(cores='', eal_param='--vdev net_null_0 --proc-type=primary',
-                                    ports=dev_info)
+                                 fixed_prefix=True, prefix=self.prefix_subfix,  ports=dev_info)
         self.pmdout.execute_cmd('port stop all')
         self.cbdma_proc = '--proc-type=secondary'
-        eal_params = self.dut.create_eal_parameters(cores=self.core_list,
-                                        ports=dev_info)
+        eal_params = self.dut.create_eal_parameters(cores=self.core_list, fixed_prefix=True,
+                                                   prefix=self.prefix_subfix ,ports=dev_info)
         self.launch_ioatfwd_app(eal_params)
         self.send_session.send_expect('^C','#')
         self.pmdout.execute_cmd('^C')
-- 
2.25.1