* [dts] [PATCH] tests/nic_single_core_perf: set burst and mbcache for ConnectX nics
@ 2021-06-17 15:53 Ali Alnubani
2021-06-25 2:12 ` Tu, Lijuan
0 siblings, 1 reply; 2+ messages in thread
From: Ali Alnubani @ 2021-06-17 15:53 UTC (permalink / raw)
To: dts, lijuan.tu; +Cc: dpdklab
Setting burst and mbcache improves performance and reduces fluctuations.
Signed-off-by: Ali Alnubani <alialnu@nvidia.com>
---
tests/TestSuite_nic_single_core_perf.py | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tests/TestSuite_nic_single_core_perf.py b/tests/TestSuite_nic_single_core_perf.py
index 5083831d..dee189e5 100644
--- a/tests/TestSuite_nic_single_core_perf.py
+++ b/tests/TestSuite_nic_single_core_perf.py
@@ -248,6 +248,9 @@ class TestNicSingleCorePerf(TestCase):
param += " --rxq=1 --txq=1"
# workaround for that testpmd can't forward packets in io forward mode
param += " --port-topology=loop"
+ # improves performance and reduces fluctuations
+ elif self.nic in ['ConnectX5_MT4121', 'ConnectX4_LX_MT4117']:
+ param += " --burst=64 --mbcache=512"
self.throughput[fwd_config] = dict()
for frame_size in list(self.test_parameters[fwd_config].keys()):
--
2.17.1
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2021-06-17 15:53 [dts] [PATCH] tests/nic_single_core_perf: set burst and mbcache for ConnectX nics Ali Alnubani
2021-06-25 2:12 ` Tu, Lijuan
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