[dts] [PATCH V3 1/1] metrics: add prefix for new frame work.

[yufengmx <yufengx.mo@intel.com>]

add prefix for new frame work.

Signed-off-by: yufengmx <yufengx.mo@intel.com>
---
 tests/TestSuite_metrics.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/TestSuite_metrics.py b/tests/TestSuite_metrics.py
index 148365c..7fef17d 100644
--- a/tests/TestSuite_metrics.py
+++ b/tests/TestSuite_metrics.py
@@ -187,7 +187,7 @@ class TestMetrics(TestCase):
         self.is_pmd_on = False
 
     def init_proc_info_tool(self):
-        option = ' -v -- --metrics'
+        option = f' -v --file-prefix={self.prefix} -- --metrics'
         self.dpdk_proc = os.path.join(
             self.target_dir, self.target, "app", "dpdk-procinfo" + option)
         self.metrics_stat = []
@@ -785,6 +785,7 @@ class TestMetrics(TestCase):
     def set_up_all(self):
         self.dut_ports = self.dut.get_ports(self.nic)
         self.verify(len(self.dut_ports) >= 2, "Not enough ports")
+        self.prefix = "dpdk_" + self.dut.prefix_subfix
         # prepare testing environment
         self.preset_test_environment()
 
-- 
2.21.0