[dts] [PATCH V2] tests: add test for vhost/virtio loopback performance
Liu, Yong
yong.liu at intel.com
Thu Dec 29 02:39:06 CET 2016
Lei, few comments below.
> -----Original Message-----
> From: dts [mailto:dts-bounces at dpdk.org] On Behalf Of lei,yao
> Sent: Thursday, December 29, 2016 9:26 AM
> To: dts at dpdk.org
> Cc: Yao, Lei A
> Subject: [dts] [PATCH V2] tests: add test for vhost/virtio loopback
> performance
>
> From: lei yao <lei.a.yao at intel.com>
>
> This test won't use qemu, but will use two testpmd thread to launch vhost-
> user and
> virtio-user to simulate the qemu user case.
>
> Signed-off-by: lei yao <lei.a.yao at intel.com>
> ---
> ...Suite_vhost_loopback_performance_virtio_user.py | 260
> +++++++++++++++++++++
> 1 file changed, 260 insertions(+)
> create mode 100644
> tests/TestSuite_vhost_loopback_performance_virtio_user.py
>
> diff --git a/tests/TestSuite_vhost_loopback_performance_virtio_user.py
> b/tests/TestSuite_vhost_loopback_performance_virtio_user.py
> new file mode 100644
> index 0000000..377aa66
> --- /dev/null
> +++ b/tests/TestSuite_vhost_loopback_performance_virtio_user.py
> @@ -0,0 +1,260 @@
> +#
> +# BSD LICENSE
> +#
> +# Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
> +# All rights reserved.
> +#
> +# Redistribution and use in source and binary forms, with or without
> +# modification, are permitted provided that the following conditions
> +# are met:
> +#
> +# * Redistributions of source code must retain the above copyright
> +# notice, this list of conditions and the following disclaimer.
> +# * Redistributions in binary form must reproduce the above copyright
> +# notice, this list of conditions and the following disclaimer in
> +# the documentation and/or other materials provided with the
> +# distribution.
> +# * Neither the name of Intel Corporation nor the names of its
> +# contributors may be used to endorse or promote products derived
> +# from this software without specific prior written permission.
> +#
> +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
> +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
> +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
> +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
> +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
> +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
> +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
> +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> +
> +
> +"""
> +DPDK Test suite.
> +Test Vhost loopback performance for Mergeable, normal , vector Path
> +"""
> +import string
> +import utils
> +import time
> +import re
> +from test_case import TestCase
> +
> +
> +class TestVhostLoopback(TestCase):
> +
> + def set_up_all(self):
> + """
> + Run at the start of each test suite.
> + """
> + # Clean the execution environment
> + self.dut.send_expect("rm -rf ./vhost.out", "#")
> + self.dut.send_expect("rm -rf ./vhost-net*", "#")
> + self.header_row = ["FrameSize(B)", "Mode", "Throughput(Mpps)",
> "Virtio Version"]
> + self.frame_sizes = [64, 128, 260, 520, 1024, 1500]
> + self.test_cycles = {'Mpps': {}, 'pct': {}}
> + # Don't use any NIC in this test case
> + port_list = self.dut.get_ports()
> + for i in port_list:
> + port = self.dut.ports_info[i]['port']
> + port.bind_driver()
> +
> + self.dut.send_expect("sed -i -e 's/#define
> TXONLY_DEF_PACKET_LEN.*$/#define TXONLY_DEF_PACKET_LEN 64/' ./app/test-
> pmd/testpmd.h", "#", 30)
> +
Packet length maybe changed later, we can't assume the value is always 64.
Please capture the value in set_up_all function and restore it back in tear_down_all.
> +
> + def tear_down(self):
> + """
> + Run after each test case.
> + """
> + time.sleep(2)
> +
> + def tear_down_all(self):
> + """
> + Run after each test suite.
> + """
> + # Recompile the dpdk because we change the source code during the
> test
Need to bind port back to self.drivername.
You can restore TXONLY_DEF_PACKET_LEN value here, it's only need restore the value at the end of this suite execution.
> + self.dut.build_install_dpdk(self.dut.target)
> --
> 2.7.4
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