Re: [dts] [PATCH V2] Add testsuite vhost enqueue interrupt

["Wang, Yinan" <yinan.wang@intel.com>]

Acked-by: Wang, Yinan <yinan.wang@intel.com>

> -----Original Message-----
> From: Ma, LihongX
> Sent: 2019年5月8日 9:03
> To: dts@dpdk.org
> Cc: Wang, Yinan <yinan.wang@intel.com>; Ma, LihongX
> <lihongx.ma@intel.com>
> Subject: [dts][PATCH V2] Add testsuite vhost enqueue interrupt
> 
> Signed-off-by: lihong <lihongx.ma@intel.com>
> ---
>  tests/TestSuite_vhost_enqueue_interrupt.py | 202
> +++++++++++++++++++++++++++++
>  1 file changed, 202 insertions(+)
>  create mode 100644 tests/TestSuite_vhost_enqueue_interrupt.py
> 
> diff --git a/tests/TestSuite_vhost_enqueue_interrupt.py
> b/tests/TestSuite_vhost_enqueue_interrupt.py
> new file mode 100644
> index 0000000..29c3756
> --- /dev/null
> +++ b/tests/TestSuite_vhost_enqueue_interrupt.py
> @@ -0,0 +1,202 @@
> +# 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.
> +Vhost enqueue interrupt need test with l3fwd-power sample """
> +
> +import utils
> +import time
> +from test_case import TestCase
> +
> +
> +class TestVhostEnqueueInterrupt(TestCase):
> +
> +    def set_up_all(self):
> +        """
> +        Run at the start of each test suite.
> +
> +        """
> +        self.queues = 1
> +        self.cores_num = len([n for n in self.dut.cores if int(n['socket']) == 0])
> +        self.vmac = "00:11:22:33:44:10"
> +        self.dut_ports = self.dut.get_ports()
> +        self.mem_channels = self.dut.get_memory_channels()
> +        self.prepare_l3fwd_power()
> +
> +    def set_up(self):
> +        """
> +        Run before each test case.
> +        """
> +        # Clean the execution ENV
> +        self.verify_info = []
> +        self.dut.send_expect("killall -s INT testpmd", "#")
> +        self.dut.send_expect("killall -s INT l3fwd-power", "#")
> +        self.dut.send_expect("rm -rf ./vhost-net*", "#")
> +        self.vhost = self.dut.new_session(suite="vhost-l3fwd")
> +        self.virtio_user = self.dut.new_session(suite="virtio-user")
> +
> +    def prepare_l3fwd_power(self):
> +        self.dut.send_expect("cp ./examples/l3fwd-power/main.c .", "#")
> +        self.dut.send_expect(
> +                "sed -i
> '/DEV_RX_OFFLOAD_CHECKSUM/d' ./examples/l3fwd-power/main.c", "#")
> +        out = self.dut.build_dpdk_apps('examples/l3fwd-power')
> +        self.verify("Error" not in out, "compilation l3fwd-power
> + error")
> +
> +    def get_core_list(self):
> +        """
> +        get core list depend on the core number
> +        """
> +        need_num = 2*self.queues+1
> +        self.core_config = "1S/%dC/1T" % need_num
> +        self.verify(self.cores_num >= need_num,
> +                    "There has not enought cores to test this case")
> +        core_list = self.dut.get_core_list(self.core_config)
> +        self.core_list_virtio = core_list[0: self.queues+1]
> +        self.core_list_l3fwd = core_list[self.queues+1: need_num]
> +        self.core_mask_virtio = utils.create_mask(self.core_list_virtio)
> +        self.core_mask_l3fwd = utils.create_mask(self.core_list_l3fwd)
> +
> +    def lanuch_virtio_user(self):
> +        """
> +        launch virtio-user with server mode
> +        """
> +        command_client = self.dut.target + "/app/testpmd -c %s -n %d " + \
> +                        "--socket-mem 1024,1024 --legacy-mem --no-pci
> " + \
> +                        "--file-prefix=virtio " + \
> +
> "--vdev=net_virtio_user0,mac=%s,path=./vhost-net,server=1,queues=%d " + \
> +                        "-- -i --rxq=%d --txq=%d --rss-ip"
> +        command_line_client = command_client % (
> +                        self.core_mask_virtio, self.mem_channels,
> +                        self.vmac, self.queues, self.queues, self.queues)
> +        self.virtio_user.send_expect(command_line_client, "testpmd> ",
> 120)
> +        self.virtio_user.send_expect("set fwd txonly", "testpmd> ", 20)
> +
> +    def lanuch_l3fwd_power(self):
> +        """
> +        launch l3fwd-power with a virtual vhost device
> +        """
> +        self.logger.info("Launch l3fwd_sample sample:")
> +        # config the interrupt cores
> +        config_info = ""
> +        for i in range(self.queues):
> +            if config_info != "":
> +                config_info += ','
> +            config_info += '(0,%d,%s)' % (i, self.core_list_l3fwd[i])
> +            info = {'core': self.core_list_l3fwd[i], 'port': 0, 'queue': i}
> +            self.verify_info.append(info)
> +
> +        command_client = "./examples/l3fwd-power/build/app/l3fwd-power
> " + \
> +                         "-c %s -n %d --socket-mem 1024,1024
> --legacy-mem --no-pci " + \
> +                         "--vdev
> 'net_vhost0,iface=vhost-net,queues=%d,client=1' " + \
> +                         "-- -p 0x1 --parse-ptype 1 --config '%s' "
> +        command_line_client = command_client % (
> +                        self.core_mask_l3fwd, self.mem_channels,
> +                        self.queues, config_info)
> +        self.vhost.send_expect(command_line_client, "POWER", 40)
> +        time.sleep(10)
> +        out = self.vhost.get_session_before()
> +        if ("Error" in out and "Error opening" not in out):
> +            self.logger.error("Launch l3fwd-power sample error")
> +        else:
> +            self.logger.info("Launch l3fwd-power sample finished")
> +
> +    def check_vhost_core_status(self, status):
> +        """
> +        check the cpu status
> +        """
> +        out = self.vhost.get_session_before()
> +        for i in range(len(self.verify_info)):
> +            if status == "waked up":
> +                info = "lcore %s is waked up from rx interrupt on port %d
> queue %d"
> +                info = info % (self.verify_info[i]["core"],
> self.verify_info[i]['port'],
> +                                self.verify_info[i]['queue'])
> +            elif status == "sleeps":
> +                info = "lcore %s sleeps until interrupt triggers" %
> self.verify_info[i]["core"]
> +            self.logger.info(info)
> +            self.verify(info in out, "The CPU status not right for %s"
> + % info)
> +
> +    def send_and_verify(self):
> +        """
> +        start to send packets and check the cpu status
> +        stop and restart to send packets and check the cpu status
> +        """
> +        self.virtio_user.send_expect("start", "testpmd> ", 20)
> +        self.check_vhost_core_status("waked up")
> +
> +        self.virtio_user.send_expect("stop", "testpmd> ", 20)
> +        self.check_vhost_core_status("sleeps")
> +
> +        self.virtio_user.send_expect("start", "testpmd> ", 20)
> +        self.check_vhost_core_status("waked up")
> +
> +    def close_testpmd_and_session(self):
> +        self.virtio_user.send_expect("quit", "#", 20)
> +        self.dut.close_session(self.vhost)
> +        self.dut.close_session(self.virtio_user)
> +
> +    def test_virtio_user_interrupt(self):
> +        """
> +        Check the virtio-user interrupt can work when use vhost-net as
> backend
> +        """
> +        self.queues = 1
> +        self.get_core_list()
> +        self.lanuch_virtio_user()
> +        self.lanuch_l3fwd_power()
> +        self.send_and_verify()
> +
> +    def test_virtio_user_interrupt_with_multi_queue(self):
> +        """
> +        Check the virtio-user interrupt can work with multi queue
> +        """
> +        self.queues = 4
> +        self.get_core_list()
> +        self.lanuch_virtio_user()
> +        self.lanuch_l3fwd_power()
> +        self.send_and_verify()
> +
> +    def tear_down(self):
> +        """
> +        Run after each test case.
> +        """
> +        self.close_testpmd_and_session()
> +        self.dut.send_expect("killall -s INT l3fwd-power", "#")
> +        self.dut.send_expect("killall -s INT testpmd", "#")
> +
> +    def tear_down_all(self):
> +        """
> +        Run after each test suite.
> +        """
> +        # revert the code
> +        self.dut.send_expect("mv ./main.c ./examples/l3fwd-power/", "#")
> +        self.dut.build_dpdk_apps('examples/l3fwd-power')
> +        pass
> --
> 2.7.4