* Re: [dts] [PATCH V1 2/2][virtio regression] tests: add testsuite virtio pvp regression
2019-08-21 22:54 ` [dts] [PATCH V1 2/2][virtio regression] tests: add testsuite " lihong
@ 2019-08-23 0:54 ` Wang, Yinan
2019-08-28 6:11 ` Tu, Lijuan
1 sibling, 0 replies; 6+ messages in thread
From: Wang, Yinan @ 2019-08-23 0:54 UTC (permalink / raw)
To: Ma, LihongX, dts; +Cc: Ma, LihongX
Acked-by: Wang, Yinan <yinan.wang@intel.com>
> -----Original Message-----
> From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of lihong
> Sent: 2019年8月22日 6:54
> To: dts@dpdk.org
> Cc: Ma, LihongX <lihongx.ma@intel.com>
> Subject: [dts] [PATCH V1 2/2][virtio regression] tests: add testsuite virtio pvp
> regression
>
> Signed-off-by: lihong <lihongx.ma@intel.com>
> ---
> tests/TestSuite_virtio_pvp_regression.py | 458
> +++++++++++++++++++++++++++++++
> 1 file changed, 458 insertions(+)
> create mode 100644 tests/TestSuite_virtio_pvp_regression.py
>
> diff --git a/tests/TestSuite_virtio_pvp_regression.py
> b/tests/TestSuite_virtio_pvp_regression.py
> new file mode 100644
> index 0000000..902ac09
> --- /dev/null
> +++ b/tests/TestSuite_virtio_pvp_regression.py
> @@ -0,0 +1,458 @@
> +# BSD LICENSE
> +#
> +# Copyright(c) <2019> Intel Corporation.
> +# 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.
> +
> +This suite capture regression issue:
> +cover 2 queues + reconnect + multi qemu version + multi-paths with
> +virtio1.0 and virtio0.95 In this suite, the qemu will start as server
> +mode, and qemu supports server mode starting with version 2.7
> +
> +Can config the qemu version in config file like:
> +qemu =
> + path=qemu-2.7/bin/qemu-system-x86_64;
> + path=qemu-2.8/bin/qemu-system-x86_64;
> +"""
> +import re
> +import time
> +import utils
> +from test_case import TestCase
> +from settings import HEADER_SIZE
> +from virt_common import VM
> +from pktgen import PacketGeneratorHelper
> +
> +
> +class TestVirtioPVPRegression(TestCase):
> + def set_up_all(self):
> + # Get and verify the ports
> + self.dut_ports = self.dut.get_ports()
> + self.pf = self.dut_ports[0]
> + # Get the port's socket
> + netdev = self.dut.ports_info[self.pf]['port']
> + self.socket = netdev.get_nic_socket()
> + self.cores = self.dut.get_core_list("1S/3C/1T",
> +socket=self.socket)
> +
> + self.verify(len(self.dut_ports) >= 1, "Insufficient ports for testing")
> + self.verify(len(self.cores) >= 3,
> + "There has not enought cores to test this suite")
> + self.coremask = utils.create_mask(self.cores)
> + self.memory_channel = self.dut.get_memory_channels()
> + self.port_number = 2
> + self.queues_number = 2
> + self.dst_mac = self.dut.get_mac_address(self.dut_ports[0])
> + self.vm_dut = None
> + self.packet_params_set()
> +
> + self.logger.info("You can config all the path of qemu version you want
> to" + \
> + " tested in the conf file %s.cfg" % self.suite_name)
> + self.logger.info("You can config packet_size in file %s.cfg," %
> self.suite_name + \
> + " in region 'suite' like packet_sizes=[64, 128, 256]")
> + # check the qemu version config in cfg file
> + res = self.verify_qemu_version_config()
> + self.verify(res is True, "The path of qemu version in config
> + file not right")
> +
> + if len(set([int(core['socket']) for core in self.dut.cores])) == 1:
> + self.socket_mem = '1024'
> + else:
> + self.socket_mem = '1024,1024'
> +
> + # the path of pcap file
> + self.out_path = '/tmp/%s' % self.suite_name
> + out = self.tester.send_expect('ls -d %s' % self.out_path, '# ')
> + if 'No such file or directory' in out:
> + self.tester.send_expect('mkdir -p %s' % self.out_path, '# ')
> + # create an instance to set stream field setting
> + self.pktgen_helper = PacketGeneratorHelper()
> +
> + def set_up(self):
> + """
> + Run before each test case.
> + """
> + self.vhost = self.dut.new_session(suite="vhost-user")
> + self.dut.send_expect("rm -rf ./vhost-net*", "#")
> +
> + def packet_params_set(self):
> + self.frame_sizes = [64, 1518]
> + # get the frame_sizes from cfg file
> + if 'packet_sizes' in self.get_suite_cfg():
> + self.frame_sizes = self.get_suite_cfg()['packet_sizes']
> +
> + self.virtio1_mac = "52:54:00:00:00:01"
> + self.src1 = "192.168.4.1"
> + self.header_row = ["case_info", "QemuVersion", "FrameSize(B)",
> + "Throughput(Mpps)", "LineRate(%)", "Queue
> Number",
> + "Cycle"]
> +
> + def get_qemu_list_from_config(self):
> + """
> + get the config of qemu path in vm params
> + """
> + config_qemu = False
> + params_num = len(self.vm.params)
> + for qemu_index in range(params_num):
> + if self.vm.params[qemu_index].keys()[0] == "qemu":
> + qemu_num = len(self.vm.params[qemu_index]["qemu"])
> + config_qemu = True
> + break
> + self.verify(config_qemu is True,
> + "Please config qemu path which you want to test in conf file")
> + self.qemu_pos = qemu_index
> + self.qemu_list = self.vm.params[qemu_index]["qemu"]
> +
> + def verify_qemu_version_config(self):
> + """
> + verify the config has config right qemu version
> + """
> + self.vm = VM(self.dut, 'vm0', self.suite_name)
> + self.vm.load_config()
> + # get qemu version list from config file
> + self.get_qemu_list_from_config()
> + qemu_num = len(self.qemu_list)
> + for i in range(qemu_num):
> + qemu_path = self.qemu_list[i]["path"]
> +
> + out = self.dut.send_expect("ls %s" % qemu_path, "#")
> + if 'No such file or directory' in out:
> + self.logger.error("No emulator [ %s ] on the DUT [ %s ]" %
> + (qemu_path, self.dut.get_ip_address()))
> + return False
> + out = self.dut.send_expect("[ -x %s ];echo $?" % qemu_path, '# ')
> + if out != '0':
> + self.logger.error("Emulator [ %s ] not executable on the DUT
> [ %s ]" %
> + (qemu_path, self.dut.get_ip_address()))
> + return False
> +
> + out = self.dut.send_expect("%s --version" % qemu_path, "#")
> + result = re.search("QEMU\s*emulator\s*version\s*(\d*.\d*)",
> out)
> + version = result.group(1)
> +
> + # verify the qemu version is greater or equal to 2.7
> + index = version.find('.')
> + self.verify(int(version[:index]) > 2 or (int(version[:index]) == 2
> + and int(version[index+1:]) >= 7),
> + 'This qemu version should greater than 2.7 ' + \
> + 'in this suite, please config it in %s.cfg file' %
> self.suite_name)
> + # update the version info to self.qemu_list
> + self.qemu_list[i].update({"version": "qemu-%s" % version})
> +
> + # print all the qemu version you config
> + config_qemu_version = ""
> + for i in range(len(self.qemu_list)):
> + config_qemu_version += self.qemu_list[i]["version"] + " "
> + self.logger.info("The suite will test the qemu version of: %s"
> + % config_qemu_version)
> +
> + return True
> +
> + def rm_vm_qemu_path_config(self):
> + """
> + According it has config all qemu path, so pop the qemu path info in
> params
> + when start the vm set the qemu path info
> + """
> + params_num = len(self.vm.params)
> + for qemu_index in range(params_num):
> + if self.vm.params[qemu_index].keys()[0] == "qemu":
> + qemu_num = len(self.vm.params[qemu_index]["qemu"])
> + break
> + self.verify(qemu_index < params_num, "Please config qemu path in
> conf gile")
> + self.vm.params.pop(qemu_index)
> +
> + def rm_cpupin_info_from_config(self):
> + """
> + remove the cpupin param from vm_params
> + when the cores in cpupin is the isolcpus, it will reduce the
> + performance of pvp
> + And if we not use the cpupin params(taskset -c xxx), it will use
> + the cpu which not set in isolcpus, and it number equal to the vcpus
> + """
> + params_number = len(self.vm.params)
> + for i in range(params_number):
> + if self.vm.params[i].keys()[0] == 'cpu':
> + if 'cpupin' in self.vm.params[i]['cpu'][0].keys():
> + self.vm.params[i]['cpu'][0].pop('cpupin')
> +
> + def start_vm(self, qemu_path, qemu_version, modem, virtio_path):
> + """
> + start vm
> + """
> + self.vm = VM(self.dut, 'vm0', self.suite_name)
> + vm_params = {}
> + vm_params['driver'] = 'vhost-user'
> + vm_params['opt_path'] = './vhost-net'
> + vm_params['opt_mac'] = self.virtio1_mac
> + vm_params['opt_server'] = 'server'
> + vm_params['opt_queue'] = self.queues_number
> +
> + # if the qemu version greater or equal to 2.10, the args should add
> + # 'rx_queue_size=1024,tx_queue_size=1024'
> + opt_args = 'mq=on,vectors=15'
> + version = qemu_version[qemu_version.find('-')+1:]
> + index = version.find('.')
> + if (int(version[:index]) > 2 or int(version[index+1:]) >= 10):
> + opt_args = 'rx_queue_size=1024,tx_queue_size=1024,' +
> + opt_args
> +
> + if virtio_path == 'mergeable':
> + opt_args = 'mrg_rxbuf=on,' + opt_args
> + else:
> + opt_args = 'mrg_rxbuf=off,' + opt_args
> +
> + if modem == 1:
> + opt_args = 'disable-modern=false,' + opt_args
> + elif(modem == 0):
> + opt_args = 'disable-modern=true,' + opt_args
> + vm_params['opt_settings'] = opt_args
> + self.vm.set_vm_device(**vm_params)
> + self.vm.load_config()
> + self.rm_vm_qemu_path_config()
> + self.rm_cpupin_info_from_config()
> + # set qemu version info
> + self.vm.set_qemu_emulator(qemu_path)
> + # Due to we have change the params info before,
> + # so need to start vm with load_config=False
> + try:
> + self.vm_dut = self.vm.start(load_config=False)
> + if self.vm_dut is None:
> + raise Exception("Set up VM ENV failed")
> + except Exception as e:
> + self.logger.error("ERROR: Failure for %s" % str(e))
> +
> + def start_testpmd_as_vhost(self):
> + """
> + Launch the vhost testpmd
> + """
> + command_line_client = self.dut.target + "/app/testpmd -n %d -c %s \
> + --socket-mem %s --file-prefix=vhost -w %s \
> + --vdev 'eth_vhost0,iface=vhost-net,queues=%d,client=1' -- \
> + -i --nb-cores=%d --rxq=%d --txq=%d --txd=1024 --rxd=1024"
> + command_line_client = command_line_client % (
> + self.memory_channel, self.coremask,
> self.socket_mem,
> + self.dut.ports_info[self.pf]['pci'],
> + self.queues_number, self.queues_number,
> self.queues_number,
> + self.queues_number)
> + self.vhost.send_expect(command_line_client, "testpmd> ", 30)
> + self.vhost.send_expect("set fwd mac", "testpmd> ", 30)
> + self.vhost.send_expect("start", "testpmd> ", 30)
> +
> + def start_testpmd_in_vm(self, vritio_path):
> + """
> + Start testpmd in vm
> + """
> + self.verify(len(self.vm_dut.cores) >= 3,
> + 'The vm does not have enough core to start testpmd, ' \
> + 'please config it in %s.cfg' % self.suite_name)
> + if self.vm_dut is not None:
> + opt_args = ''
> + if vritio_path in ['mergeable', 'normal']:
> + opt_args = '--enable-hw-vlan-strip'
> + vm_testpmd = self.dut.target + "/app/testpmd -c 0x7 -n 4 " \
> + "-- -i %s --nb-cores=%s " \
> + "--rxq=%s --txq=%s --txd=1024 --rxd=1024"
> + vm_testpmd = vm_testpmd % (opt_args, self.queues_number,
> + self.queues_number, self.queues_number)
> + self.vm_dut.send_expect(vm_testpmd, "testpmd> ", 20)
> + self.vm_dut.send_expect("set fwd mac", "testpmd> ", 20)
> + self.vm_dut.send_expect("start", "testpmd> ")
> +
> + def check_packets_of_each_queue(self, frame_size):
> + """
> + check each queue has receive packets
> + """
> + out = self.vhost.send_expect("stop", "testpmd> ", 60)
> + print(out)
> + for port_index in range(0, self.port_number):
> + for queue_index in range(0, self.queues_number):
> + queue_info = re.findall("RX\s*Port=\s*%d/Queue=\s*%d" %
> + (port_index, queue_index), out)
> + queue = queue_info[0]
> + index = out.find(queue)
> + rx = re.search("RX-packets:\s*(\d*)", out[index:])
> + tx = re.search("TX-packets:\s*(\d*)", out[index:])
> + rx_packets = int(rx.group(1))
> + tx_packets = int(tx.group(1))
> + self.verify(rx_packets > 0 and tx_packets > 0,
> + "The queue %d rx-packets or tx-packets is 0 about " %
> + queue_index + \
> + "frame_size:%d, rx-packets:%d, tx-packets:%d" %
> + (frame_size, rx_packets, tx_packets))
> +
> + self.vhost.send_expect("start", "testpmd> ", 60)
> +
> + def send_verify(self, case_info, qemu_version, tag):
> + for frame_size in self.frame_sizes:
> + info = "Running test %s, and %d frame size." % (self.running_case,
> frame_size)
> + self.logger.info(info)
> + payload = frame_size - HEADER_SIZE['eth'] - HEADER_SIZE['ip']
> + flow = '[Ether(dst="%s")/IP(src="%s")/("X"*%d)]' % (
> + self.dst_mac, self.src1, payload)
> +
> self.tester.scapy_append('wrpcap("%s/pvp_diff_qemu_version.pcap", %s)' % (
> + self.out_path, flow))
> + self.tester.scapy_execute()
> +
> + tgenInput = []
> + port = self.tester.get_local_port(self.pf)
> + tgenInput.append((port, port,
> + "%s/pvp_diff_qemu_version.pcap" % self.out_path))
> +
> + self.tester.pktgen.clear_streams()
> + fields_config = {'ip': {'dst': {'range': 127, 'step': 1, 'action':
> 'random'}, }, }
> + streams =
> self.pktgen_helper.prepare_stream_from_tginput(tgenInput, 100,
> + fields_config,
> self.tester.pktgen)
> + # set traffic option
> + traffic_opt = {'delay': 5, 'duration': 20}
> + _, pps =
> self.tester.pktgen.measure_throughput(stream_ids=streams,
> options=traffic_opt)
> + Mpps = pps / 1000000.0
> + pct = Mpps * 100 / float(self.wirespeed(self.nic, frame_size, 1))
> + self.verify(Mpps != 0, "can not received data of frame size %d" %
> frame_size)
> + # check each queue has data
> + self.check_packets_of_each_queue(frame_size)
> + # update print table info
> + data_row = [case_info, qemu_version, frame_size, str(Mpps),
> + str(pct), self.queues_number, tag]
> + self.result_table_add(data_row)
> +
> + def close_testpmd_and_qemu(self):
> + """
> + stop testpmd in vhost and qemu
> + close the qemu
> + """
> + self.vm_dut.send_expect("quit", "#", 20)
> + self.vhost.send_expect("quit", "#", 20)
> + self.vm.stop()
> + self.dut.send_expect("killall -I testpmd", '#', 20)
> + self.dut.send_expect('killall -s INT qemu-system-x86_64', '# ')
> + self.dut.send_expect("rm -rf ./vhost-net*", "#")
> +
> + def pvp_regression_run(self, case_info, modem, virtio_path):
> + """
> + run different qemu verssion on different virtio path of pvp regression
> + modem = 0, start vm as virtio 0.95
> + modem = 1, start vm as virtio 1.0
> + virtio_path = mergeable/normal/vector_rx
> + """
> + for i in range(len(self.qemu_list)):
> + self.result_table_create(self.header_row)
> + path = self.qemu_list[i]["path"]
> + version = self.qemu_list[i]["version"]
> + self.start_testpmd_as_vhost()
> + # use different modem and different path to start vm
> + self.start_vm(path, version, modem, virtio_path)
> + self.start_testpmd_in_vm(virtio_path)
> + self.logger.info("now testing the qemu path of %s" % path)
> + time.sleep(5)
> + self.send_verify(case_info, version, "before reconnect")
> +
> + self.logger.info('now reconnect from vhost')
> + self.dut.send_expect("killall -s INT testpmd", "# ")
> + self.start_testpmd_as_vhost()
> + self.send_verify(case_info, version, "reconnect from
> + vhost")
> +
> + self.logger.info('now reconnect from vm')
> + self.dut.send_expect('killall -s INT qemu-system-x86_64', '# ')
> + self.start_vm(path, version, modem, virtio_path)
> + self.start_testpmd_in_vm(virtio_path)
> + self.send_verify(case_info, version, "reconnect from vm")
> +
> + self.result_table_print()
> + self.close_testpmd_and_qemu()
> +
> + def test_perf_pvp_regression_with_mergeable_path(self):
> + """
> + Test the performance of one vm with virtio 0.95 on mergeable path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-0.95 mergeable'
> + modem = 0
> + virtio_path = 'mergeable'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def test_perf_pvp_regression_modern_mergeable_path(self):
> + """
> + Test the performance of one vm with virtio 1.0 on mergeable path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-1.0 mergeable'
> + modem = 1
> + virtio_path = 'mergeable'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def test_perf_pvp_regression_normal_path(self):
> + """
> + Test the performance of one vm with virtio 0.95 on normal path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-0.95 normal'
> + modem = 0
> + virtio_path = 'normal'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def test_perf_pvp_regression_modern_normal_path(self):
> + """
> + Test the performance of one vm with virtio 1.0 on normal path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-1.0 normal'
> + modem = 1
> + virtio_path = 'normal'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def test_perf_pvp_regression_vector_rx_path(self):
> + """
> + Test the performance of one vm with virtio 0.95 on vector_rx path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-0.95 vector_rx'
> + modem = 0
> + virtio_path = 'vector_rx'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def test_perf_pvp_regression_modern_vector_rx_path(self):
> + """
> + Test the performance of one vm with virtio 1.0 on vector_rx path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-1.0 normal'
> + modem = 1
> + virtio_path = 'vector_rx'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def tear_down(self):
> + """
> + Run after each test case.
> + Clear qemu and testpmd to avoid blocking the following TCs
> + """
> + self.dut.close_session(self.vhost)
> + self.dut.send_expect("killall -s INT qemu-system-x86_64", "#")
> + self.dut.send_expect("killall -s INT testpmd", "#")
> + time.sleep(2)
> +
> + def tear_down_all(self):
> + """
> + Run after each test suite.
> + """
> + pass
> --
> 2.7.4
^ permalink raw reply [flat|nested] 6+ messages in thread* Re: [dts] [PATCH V1 2/2][virtio regression] tests: add testsuite virtio pvp regression
2019-08-21 22:54 ` [dts] [PATCH V1 2/2][virtio regression] tests: add testsuite " lihong
2019-08-23 0:54 ` Wang, Yinan
@ 2019-08-28 6:11 ` Tu, Lijuan
1 sibling, 0 replies; 6+ messages in thread
From: Tu, Lijuan @ 2019-08-28 6:11 UTC (permalink / raw)
To: Ma, LihongX, dts; +Cc: Ma, LihongX
Applied, thanks
> -----Original Message-----
> From: dts [mailto:dts-bounces@dpdk.org] On Behalf Of lihong
> Sent: Thursday, August 22, 2019 6:54 AM
> To: dts@dpdk.org
> Cc: Ma, LihongX <lihongx.ma@intel.com>
> Subject: [dts] [PATCH V1 2/2][virtio regression] tests: add testsuite virtio pvp
> regression
>
> Signed-off-by: lihong <lihongx.ma@intel.com>
> ---
> tests/TestSuite_virtio_pvp_regression.py | 458
> +++++++++++++++++++++++++++++++
> 1 file changed, 458 insertions(+)
> create mode 100644 tests/TestSuite_virtio_pvp_regression.py
>
> diff --git a/tests/TestSuite_virtio_pvp_regression.py
> b/tests/TestSuite_virtio_pvp_regression.py
> new file mode 100644
> index 0000000..902ac09
> --- /dev/null
> +++ b/tests/TestSuite_virtio_pvp_regression.py
> @@ -0,0 +1,458 @@
> +# BSD LICENSE
> +#
> +# Copyright(c) <2019> Intel Corporation.
> +# 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.
> +
> +This suite capture regression issue:
> +cover 2 queues + reconnect + multi qemu version + multi-paths with
> +virtio1.0 and virtio0.95 In this suite, the qemu will start as server
> +mode, and qemu supports server mode starting with version 2.7
> +
> +Can config the qemu version in config file like:
> +qemu =
> + path=qemu-2.7/bin/qemu-system-x86_64;
> + path=qemu-2.8/bin/qemu-system-x86_64;
> +"""
> +import re
> +import time
> +import utils
> +from test_case import TestCase
> +from settings import HEADER_SIZE
> +from virt_common import VM
> +from pktgen import PacketGeneratorHelper
> +
> +
> +class TestVirtioPVPRegression(TestCase):
> + def set_up_all(self):
> + # Get and verify the ports
> + self.dut_ports = self.dut.get_ports()
> + self.pf = self.dut_ports[0]
> + # Get the port's socket
> + netdev = self.dut.ports_info[self.pf]['port']
> + self.socket = netdev.get_nic_socket()
> + self.cores = self.dut.get_core_list("1S/3C/1T",
> +socket=self.socket)
> +
> + self.verify(len(self.dut_ports) >= 1, "Insufficient ports for testing")
> + self.verify(len(self.cores) >= 3,
> + "There has not enought cores to test this suite")
> + self.coremask = utils.create_mask(self.cores)
> + self.memory_channel = self.dut.get_memory_channels()
> + self.port_number = 2
> + self.queues_number = 2
> + self.dst_mac = self.dut.get_mac_address(self.dut_ports[0])
> + self.vm_dut = None
> + self.packet_params_set()
> +
> + self.logger.info("You can config all the path of qemu version you want
> to" + \
> + " tested in the conf file %s.cfg" % self.suite_name)
> + self.logger.info("You can config packet_size in file %s.cfg," %
> self.suite_name + \
> + " in region 'suite' like packet_sizes=[64, 128, 256]")
> + # check the qemu version config in cfg file
> + res = self.verify_qemu_version_config()
> + self.verify(res is True, "The path of qemu version in config
> + file not right")
> +
> + if len(set([int(core['socket']) for core in self.dut.cores])) == 1:
> + self.socket_mem = '1024'
> + else:
> + self.socket_mem = '1024,1024'
> +
> + # the path of pcap file
> + self.out_path = '/tmp/%s' % self.suite_name
> + out = self.tester.send_expect('ls -d %s' % self.out_path, '# ')
> + if 'No such file or directory' in out:
> + self.tester.send_expect('mkdir -p %s' % self.out_path, '# ')
> + # create an instance to set stream field setting
> + self.pktgen_helper = PacketGeneratorHelper()
> +
> + def set_up(self):
> + """
> + Run before each test case.
> + """
> + self.vhost = self.dut.new_session(suite="vhost-user")
> + self.dut.send_expect("rm -rf ./vhost-net*", "#")
> +
> + def packet_params_set(self):
> + self.frame_sizes = [64, 1518]
> + # get the frame_sizes from cfg file
> + if 'packet_sizes' in self.get_suite_cfg():
> + self.frame_sizes = self.get_suite_cfg()['packet_sizes']
> +
> + self.virtio1_mac = "52:54:00:00:00:01"
> + self.src1 = "192.168.4.1"
> + self.header_row = ["case_info", "QemuVersion", "FrameSize(B)",
> + "Throughput(Mpps)", "LineRate(%)", "Queue Number",
> + "Cycle"]
> +
> + def get_qemu_list_from_config(self):
> + """
> + get the config of qemu path in vm params
> + """
> + config_qemu = False
> + params_num = len(self.vm.params)
> + for qemu_index in range(params_num):
> + if self.vm.params[qemu_index].keys()[0] == "qemu":
> + qemu_num = len(self.vm.params[qemu_index]["qemu"])
> + config_qemu = True
> + break
> + self.verify(config_qemu is True,
> + "Please config qemu path which you want to test in conf file")
> + self.qemu_pos = qemu_index
> + self.qemu_list = self.vm.params[qemu_index]["qemu"]
> +
> + def verify_qemu_version_config(self):
> + """
> + verify the config has config right qemu version
> + """
> + self.vm = VM(self.dut, 'vm0', self.suite_name)
> + self.vm.load_config()
> + # get qemu version list from config file
> + self.get_qemu_list_from_config()
> + qemu_num = len(self.qemu_list)
> + for i in range(qemu_num):
> + qemu_path = self.qemu_list[i]["path"]
> +
> + out = self.dut.send_expect("ls %s" % qemu_path, "#")
> + if 'No such file or directory' in out:
> + self.logger.error("No emulator [ %s ] on the DUT [ %s ]" %
> + (qemu_path, self.dut.get_ip_address()))
> + return False
> + out = self.dut.send_expect("[ -x %s ];echo $?" % qemu_path, '# ')
> + if out != '0':
> + self.logger.error("Emulator [ %s ] not executable on the DUT
> [ %s ]" %
> + (qemu_path, self.dut.get_ip_address()))
> + return False
> +
> + out = self.dut.send_expect("%s --version" % qemu_path, "#")
> + result = re.search("QEMU\s*emulator\s*version\s*(\d*.\d*)", out)
> + version = result.group(1)
> +
> + # verify the qemu version is greater or equal to 2.7
> + index = version.find('.')
> + self.verify(int(version[:index]) > 2 or (int(version[:index]) == 2
> + and int(version[index+1:]) >= 7),
> + 'This qemu version should greater than 2.7 ' + \
> + 'in this suite, please config it in %s.cfg file' % self.suite_name)
> + # update the version info to self.qemu_list
> + self.qemu_list[i].update({"version": "qemu-%s" % version})
> +
> + # print all the qemu version you config
> + config_qemu_version = ""
> + for i in range(len(self.qemu_list)):
> + config_qemu_version += self.qemu_list[i]["version"] + " "
> + self.logger.info("The suite will test the qemu version of: %s"
> + % config_qemu_version)
> +
> + return True
> +
> + def rm_vm_qemu_path_config(self):
> + """
> + According it has config all qemu path, so pop the qemu path info in
> params
> + when start the vm set the qemu path info
> + """
> + params_num = len(self.vm.params)
> + for qemu_index in range(params_num):
> + if self.vm.params[qemu_index].keys()[0] == "qemu":
> + qemu_num = len(self.vm.params[qemu_index]["qemu"])
> + break
> + self.verify(qemu_index < params_num, "Please config qemu path in
> conf gile")
> + self.vm.params.pop(qemu_index)
> +
> + def rm_cpupin_info_from_config(self):
> + """
> + remove the cpupin param from vm_params
> + when the cores in cpupin is the isolcpus, it will reduce the
> + performance of pvp
> + And if we not use the cpupin params(taskset -c xxx), it will use
> + the cpu which not set in isolcpus, and it number equal to the vcpus
> + """
> + params_number = len(self.vm.params)
> + for i in range(params_number):
> + if self.vm.params[i].keys()[0] == 'cpu':
> + if 'cpupin' in self.vm.params[i]['cpu'][0].keys():
> + self.vm.params[i]['cpu'][0].pop('cpupin')
> +
> + def start_vm(self, qemu_path, qemu_version, modem, virtio_path):
> + """
> + start vm
> + """
> + self.vm = VM(self.dut, 'vm0', self.suite_name)
> + vm_params = {}
> + vm_params['driver'] = 'vhost-user'
> + vm_params['opt_path'] = './vhost-net'
> + vm_params['opt_mac'] = self.virtio1_mac
> + vm_params['opt_server'] = 'server'
> + vm_params['opt_queue'] = self.queues_number
> +
> + # if the qemu version greater or equal to 2.10, the args should add
> + # 'rx_queue_size=1024,tx_queue_size=1024'
> + opt_args = 'mq=on,vectors=15'
> + version = qemu_version[qemu_version.find('-')+1:]
> + index = version.find('.')
> + if (int(version[:index]) > 2 or int(version[index+1:]) >= 10):
> + opt_args = 'rx_queue_size=1024,tx_queue_size=1024,' +
> + opt_args
> +
> + if virtio_path == 'mergeable':
> + opt_args = 'mrg_rxbuf=on,' + opt_args
> + else:
> + opt_args = 'mrg_rxbuf=off,' + opt_args
> +
> + if modem == 1:
> + opt_args = 'disable-modern=false,' + opt_args
> + elif(modem == 0):
> + opt_args = 'disable-modern=true,' + opt_args
> + vm_params['opt_settings'] = opt_args
> + self.vm.set_vm_device(**vm_params)
> + self.vm.load_config()
> + self.rm_vm_qemu_path_config()
> + self.rm_cpupin_info_from_config()
> + # set qemu version info
> + self.vm.set_qemu_emulator(qemu_path)
> + # Due to we have change the params info before,
> + # so need to start vm with load_config=False
> + try:
> + self.vm_dut = self.vm.start(load_config=False)
> + if self.vm_dut is None:
> + raise Exception("Set up VM ENV failed")
> + except Exception as e:
> + self.logger.error("ERROR: Failure for %s" % str(e))
> +
> + def start_testpmd_as_vhost(self):
> + """
> + Launch the vhost testpmd
> + """
> + command_line_client = self.dut.target + "/app/testpmd -n %d -c %s \
> + --socket-mem %s --file-prefix=vhost -w %s \
> + --vdev 'eth_vhost0,iface=vhost-net,queues=%d,client=1' -- \
> + -i --nb-cores=%d --rxq=%d --txq=%d --txd=1024 --rxd=1024"
> + command_line_client = command_line_client % (
> + self.memory_channel, self.coremask, self.socket_mem,
> + self.dut.ports_info[self.pf]['pci'],
> + self.queues_number, self.queues_number,
> self.queues_number,
> + self.queues_number)
> + self.vhost.send_expect(command_line_client, "testpmd> ", 30)
> + self.vhost.send_expect("set fwd mac", "testpmd> ", 30)
> + self.vhost.send_expect("start", "testpmd> ", 30)
> +
> + def start_testpmd_in_vm(self, vritio_path):
> + """
> + Start testpmd in vm
> + """
> + self.verify(len(self.vm_dut.cores) >= 3,
> + 'The vm does not have enough core to start testpmd, ' \
> + 'please config it in %s.cfg' % self.suite_name)
> + if self.vm_dut is not None:
> + opt_args = ''
> + if vritio_path in ['mergeable', 'normal']:
> + opt_args = '--enable-hw-vlan-strip'
> + vm_testpmd = self.dut.target + "/app/testpmd -c 0x7 -n 4 " \
> + "-- -i %s --nb-cores=%s " \
> + "--rxq=%s --txq=%s --txd=1024 --rxd=1024"
> + vm_testpmd = vm_testpmd % (opt_args, self.queues_number,
> + self.queues_number, self.queues_number)
> + self.vm_dut.send_expect(vm_testpmd, "testpmd> ", 20)
> + self.vm_dut.send_expect("set fwd mac", "testpmd> ", 20)
> + self.vm_dut.send_expect("start", "testpmd> ")
> +
> + def check_packets_of_each_queue(self, frame_size):
> + """
> + check each queue has receive packets
> + """
> + out = self.vhost.send_expect("stop", "testpmd> ", 60)
> + print(out)
> + for port_index in range(0, self.port_number):
> + for queue_index in range(0, self.queues_number):
> + queue_info = re.findall("RX\s*Port=\s*%d/Queue=\s*%d" %
> + (port_index, queue_index), out)
> + queue = queue_info[0]
> + index = out.find(queue)
> + rx = re.search("RX-packets:\s*(\d*)", out[index:])
> + tx = re.search("TX-packets:\s*(\d*)", out[index:])
> + rx_packets = int(rx.group(1))
> + tx_packets = int(tx.group(1))
> + self.verify(rx_packets > 0 and tx_packets > 0,
> + "The queue %d rx-packets or tx-packets is 0 about " %
> + queue_index + \
> + "frame_size:%d, rx-packets:%d, tx-packets:%d" %
> + (frame_size, rx_packets, tx_packets))
> +
> + self.vhost.send_expect("start", "testpmd> ", 60)
> +
> + def send_verify(self, case_info, qemu_version, tag):
> + for frame_size in self.frame_sizes:
> + info = "Running test %s, and %d frame size." % (self.running_case,
> frame_size)
> + self.logger.info(info)
> + payload = frame_size - HEADER_SIZE['eth'] - HEADER_SIZE['ip']
> + flow = '[Ether(dst="%s")/IP(src="%s")/("X"*%d)]' % (
> + self.dst_mac, self.src1, payload)
> +
> self.tester.scapy_append('wrpcap("%s/pvp_diff_qemu_version.pcap", %s)' % (
> + self.out_path, flow))
> + self.tester.scapy_execute()
> +
> + tgenInput = []
> + port = self.tester.get_local_port(self.pf)
> + tgenInput.append((port, port,
> + "%s/pvp_diff_qemu_version.pcap" % self.out_path))
> +
> + self.tester.pktgen.clear_streams()
> + fields_config = {'ip': {'dst': {'range': 127, 'step': 1, 'action':
> 'random'}, }, }
> + streams =
> self.pktgen_helper.prepare_stream_from_tginput(tgenInput, 100,
> + fields_config, self.tester.pktgen)
> + # set traffic option
> + traffic_opt = {'delay': 5, 'duration': 20}
> + _, pps = self.tester.pktgen.measure_throughput(stream_ids=streams,
> options=traffic_opt)
> + Mpps = pps / 1000000.0
> + pct = Mpps * 100 / float(self.wirespeed(self.nic, frame_size, 1))
> + self.verify(Mpps != 0, "can not received data of frame size %d" %
> frame_size)
> + # check each queue has data
> + self.check_packets_of_each_queue(frame_size)
> + # update print table info
> + data_row = [case_info, qemu_version, frame_size, str(Mpps),
> + str(pct), self.queues_number, tag]
> + self.result_table_add(data_row)
> +
> + def close_testpmd_and_qemu(self):
> + """
> + stop testpmd in vhost and qemu
> + close the qemu
> + """
> + self.vm_dut.send_expect("quit", "#", 20)
> + self.vhost.send_expect("quit", "#", 20)
> + self.vm.stop()
> + self.dut.send_expect("killall -I testpmd", '#', 20)
> + self.dut.send_expect('killall -s INT qemu-system-x86_64', '# ')
> + self.dut.send_expect("rm -rf ./vhost-net*", "#")
> +
> + def pvp_regression_run(self, case_info, modem, virtio_path):
> + """
> + run different qemu verssion on different virtio path of pvp regression
> + modem = 0, start vm as virtio 0.95
> + modem = 1, start vm as virtio 1.0
> + virtio_path = mergeable/normal/vector_rx
> + """
> + for i in range(len(self.qemu_list)):
> + self.result_table_create(self.header_row)
> + path = self.qemu_list[i]["path"]
> + version = self.qemu_list[i]["version"]
> + self.start_testpmd_as_vhost()
> + # use different modem and different path to start vm
> + self.start_vm(path, version, modem, virtio_path)
> + self.start_testpmd_in_vm(virtio_path)
> + self.logger.info("now testing the qemu path of %s" % path)
> + time.sleep(5)
> + self.send_verify(case_info, version, "before reconnect")
> +
> + self.logger.info('now reconnect from vhost')
> + self.dut.send_expect("killall -s INT testpmd", "# ")
> + self.start_testpmd_as_vhost()
> + self.send_verify(case_info, version, "reconnect from
> + vhost")
> +
> + self.logger.info('now reconnect from vm')
> + self.dut.send_expect('killall -s INT qemu-system-x86_64', '# ')
> + self.start_vm(path, version, modem, virtio_path)
> + self.start_testpmd_in_vm(virtio_path)
> + self.send_verify(case_info, version, "reconnect from vm")
> +
> + self.result_table_print()
> + self.close_testpmd_and_qemu()
> +
> + def test_perf_pvp_regression_with_mergeable_path(self):
> + """
> + Test the performance of one vm with virtio 0.95 on mergeable path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-0.95 mergeable'
> + modem = 0
> + virtio_path = 'mergeable'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def test_perf_pvp_regression_modern_mergeable_path(self):
> + """
> + Test the performance of one vm with virtio 1.0 on mergeable path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-1.0 mergeable'
> + modem = 1
> + virtio_path = 'mergeable'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def test_perf_pvp_regression_normal_path(self):
> + """
> + Test the performance of one vm with virtio 0.95 on normal path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-0.95 normal'
> + modem = 0
> + virtio_path = 'normal'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def test_perf_pvp_regression_modern_normal_path(self):
> + """
> + Test the performance of one vm with virtio 1.0 on normal path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-1.0 normal'
> + modem = 1
> + virtio_path = 'normal'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def test_perf_pvp_regression_vector_rx_path(self):
> + """
> + Test the performance of one vm with virtio 0.95 on vector_rx path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-0.95 vector_rx'
> + modem = 0
> + virtio_path = 'vector_rx'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def test_perf_pvp_regression_modern_vector_rx_path(self):
> + """
> + Test the performance of one vm with virtio 1.0 on vector_rx path
> + diff qemu + multi queue + reconnect
> + """
> + case_info = 'virtio-1.0 normal'
> + modem = 1
> + virtio_path = 'vector_rx'
> + self.pvp_regression_run(case_info, modem, virtio_path)
> +
> + def tear_down(self):
> + """
> + Run after each test case.
> + Clear qemu and testpmd to avoid blocking the following TCs
> + """
> + self.dut.close_session(self.vhost)
> + self.dut.send_expect("killall -s INT qemu-system-x86_64", "#")
> + self.dut.send_expect("killall -s INT testpmd", "#")
> + time.sleep(2)
> +
> + def tear_down_all(self):
> + """
> + Run after each test suite.
> + """
> + pass
> --
> 2.7.4
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