[dts] [DTS][PATCH V1/2] Add one test suite

wang fei feix.y.wang at intel.com
Tue Jan 16 09:40:28 CET 2018


For next branch, add nic_single_core_perf suite using Trex as traffic generator 

Signed-off-by: wang fei <feix.y.wang at intel.com>
---
 tests/TestSuite_nic_single_core_perf.py | 268 ++++++++++++++++++++++++++++++++
 1 file changed, 268 insertions(+)
 create mode 100644 tests/TestSuite_nic_single_core_perf.py

diff --git a/tests/TestSuite_nic_single_core_perf.py b/tests/TestSuite_nic_single_core_perf.py
new file mode 100644
index 0000000..00de60b
--- /dev/null
+++ b/tests/TestSuite_nic_single_core_perf.py
@@ -0,0 +1,268 @@
+#
+# Copyright(c) 2010-2014 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.
+"""
+
+import utils
+import re
+import time
+from test_case import TestCase
+from time import sleep
+from settings import HEADER_SIZE
+from pmd_output import PmdOutput
+from copy import deepcopy
+from prettytable import PrettyTable
+
+class TestNicSingleCorePerf(TestCase):
+
+    def set_up_all(self):
+        """
+        Run at the start of each test suite.
+        PMD prerequisites.
+        """
+
+        self.frame_sizes = [64]
+        self.headers_size = HEADER_SIZE['eth'] + HEADER_SIZE['ip'] + HEADER_SIZE['tcp']
+        self.ixgbe_descriptors = [128, 512, 2048]
+        self.i40e_descriptors = [512, 2048]
+
+        # traffic duraion in second
+        self.trafficDuration = 60
+        
+        # list expected throughput values for 64byte packet size and different txd/rxd
+        self.expected_throughput_nnt = {64: {128: 51.303, 512: 34.603, 2048: 34.539}}
+        #self.expected_throughput_fvl10g = {64: {512: 0, 2048: 0}}
+        self.expected_throughput_fvl25g = {64: {512: 43.365, 2048: 38.658}}
+        self.expected_throughput_fvl40g = {64: {512: 43.614, 2048: 38.407}}
+
+        # The acdepted gap between expected throughput and actual throughput, 1 Mpps
+        self.gap = 1
+
+        # header to print test result table
+        self.table_header = ['Frame Size', 'TXD/RXD', 'Throughput', 'Rate', 'Expected Throughput']
+
+        # Update config file and rebuild to get best perf on FVL
+        self.dut.send_expect("sed -i -e 's/CONFIG_RTE_LIBRTE_I40E_16BYTE_RX_DESC=n/CONFIG_RTE_LIBRTE_I40E_16BYTE_RX_DESC=y/' ./config/common_base", "#", 20)
+        self.dut.build_install_dpdk(self.target)
+
+        # Based on h/w type, choose how many ports to use
+        self.dut_ports = self.dut.get_ports()
+
+        self.socket = self.dut.get_numa_id(self.dut_ports[0])
+
+        self.pmdout = PmdOutput(self.dut)
+
+        self.test_result = {}
+
+        # determine if to save test result as a separated file
+        self.save_result_flag =  False
+
+    def set_up(self):
+        """
+        Run before each test case.
+        """
+        if self.nic == "niantic":
+            self.descriptors = self.ixgbe_descriptors
+        elif self.nic in ["fortville_eagle", "fortville_25g", "fortville_spirit"]:
+            self.descriptors = self.i40e_descriptors
+        else:
+            raise "This tests only support NICs: nantic, fortville_eagle, fortville_25g, fortville_spirit"
+
+    def test_nic_single_core_perf(self):
+        """
+        Run single core performance 
+        """
+        if len(self.dut_ports) >= 4 and self.nic == "niantic":
+            self.perf_test(self.nic, 4)   
+        elif len(self.dut_ports) >= 2 and self.nic == "fortville_eagle":
+            self.perf_test(self.nic, 4)
+        elif len(self.dut_ports) >= 2 and self.nic == "fortville_25g":
+            self.perf_test(self.nic, 2)
+        elif len(self.dut_ports) >= 2 and self.nic == "fortville_spirit":
+            self.perf_test(self.nic, 2)
+
+    def perf_test(self, nic_type, port_num):
+        """
+        Single core Performance Benchmarking test
+        """
+        # traffic option
+        options = {
+             'rate' : '100%',
+             #'ip': {'action': 'inc', 'mask' : '255.255.255.0', 'step': '0.0.0.1'}
+            }
+
+        header = self.table_header
+        if port_num == 2:
+            pci0 = self.dut.ports_info[0]['pci']
+            pci1 = self.dut.ports_info[1]['pci']
+            eal = "-w %s -w %s" % (pci0, pci1)
+        elif port_num == 4:
+            pci0 = self.dut.ports_info[0]['pci']
+            pci1 = self.dut.ports_info[1]['pci']
+            pci2 = self.dut.ports_info[2]['pci']
+            pci3 = self.dut.ports_info[3]['pci']
+            eal = "-w %s -w %s -w %s -w %s" % (pci0, pci1, pci2, pci3)
+
+        # run testpmd with 2 cores
+        core_config = "1S/2C/1T"
+        core_list = self.dut.get_core_list(core_config, socket=self.socket)
+        port_mask = utils.create_mask(self.dut_ports)
+
+        for frame_size in self.frame_sizes:
+            ret_datas = {}
+            for descriptor in self.descriptors:
+                self.logger.info("Executing Test Using cores: %s" % core_list)
+                self.pmdout.start_testpmd(core_config, "--portmask=%s --txd=%d --rxd=%d" % (port_mask, descriptor, descriptor),eal, socket=self.socket)
+                self.dut.send_expect("start", "testpmd> ", 15)
+
+                self.logger.info("Running with frame size %d " % frame_size)
+
+                # create pcap file
+                payload_size = frame_size - self.headers_size
+                self.tester.scapy_append(
+                        'wrpcap("test.pcap", [Ether(src="52:00:00:00:00:00")/IP(src="1.2.3.4",dst="1.1.1.1")/TCP()/("X"*%d)])' % payload_size)
+                self.tester.scapy_execute()
+
+                # send the traffic
+                streams = self.prepare_stream(port_num, options)      
+                _, packets_received = self.tester.pktgen.measure_throughput(stream_ids=streams, delay=self.trafficDuration)
+
+                throughput = packets_received / 1000000.0
+
+                self.dut.send_expect("stop", "testpmd> ")
+                self.dut.send_expect("quit", "# ", 30)
+
+                self.logger.info("Throughput result for Descriptor :%s is :%s Mpps" % (descriptor, throughput))
+
+                wirespeed = self.wirespeed(self.nic, frame_size, port_num)
+
+                # one entry for test result record
+                ret_data = {}
+                ret_data[header[0]] = frame_size
+                ret_data[header[1]] = descriptor
+                ret_data[header[2]] = str(float("%.3f" % throughput)) + " Mpps"
+                ret_data[header[3]] = str(float("%.3f" % (throughput * 100 / wirespeed))) + "%"
+                if self.nic == "niantic":
+                    ret_data[header[4]] = str(self.expected_throughput_nnt[frame_size][descriptor]) + " Mpps"
+                elif self.nic == "fortville_eagle":
+                    ret_data[header[4]] = str(self.expected_throughput_fvl10g[frame_size][descriptor]) + " Mpps"
+                elif self.nic == "fortville_25g":
+                    ret_data[header[4]] = str(self.expected_throughput_fvl25g[frame_size][descriptor]) + " Mpps"
+                elif self.nic == "fortville_spirit":
+                    ret_data[header[4]] = str(self.expected_throughput_fvl40g[frame_size][descriptor]) + " Mpps"
+                ret_datas[descriptor] = deepcopy(ret_data)
+                self.test_result[frame_size] = deepcopy(ret_datas)
+        
+        for frame_size in self.frame_sizes:
+            for descriptor in self.descriptors:
+                self.verify(self.test_result[frame_size][descriptor][header[2]] > 0, "No traffic detected")
+
+        # Print results
+        self.result_table_create(header)
+        for frame_size in self.frame_sizes:
+            for descriptor in self.descriptors:
+                table_row = [self.test_result[frame_size][descriptor][header[0]]]
+                table_row.append(self.test_result[frame_size][descriptor][header[1]])
+                table_row.append(self.test_result[frame_size][descriptor][header[2]])
+                table_row.append(self.test_result[frame_size][descriptor][header[3]])
+                table_row.append(self.test_result[frame_size][descriptor][header[4]])
+                self.result_table_add(table_row)
+
+        self.result_table_print()
+
+        # save test results as a file
+        if self.save_result_flag:
+            self.save_result(self.test_result)
+
+        # check if the gap between expected throughput and actual throughput exceed accepted gap 
+        for frame_size in self.frame_sizes:
+            for descriptor in self.descriptors:
+                self.verify(float(self.test_result[frame_size][descriptor][header[4]].split()[0]) -
+                    float(self.test_result[frame_size][descriptor][header[2]].split()[0]) < self.gap, "Exceeded Gap")
+
+    def prepare_stream(self, port_num, options):
+        '''
+        create streams for ports, one port one stream
+        '''
+        if port_num == 2:
+            txport0 = self.tester.get_local_port(self.dut.get_ports()[0])
+            txport1 = self.tester.get_local_port(self.dut.get_ports()[1])
+            stream_id0 = self.tester.pktgen.add_stream(txport0, txport1, r'/root/test.pcap')
+            stream_id1 = self.tester.pktgen.add_stream(txport1, txport0, r'/root/test.pcap')
+            self.tester.pktgen.config_stream(stream_id0, options)
+            self.tester.pktgen.config_stream(stream_id1, options)
+            return [stream_id0, stream_id1]
+        elif port_num == 4:
+            txport0 = self.tester.get_local_port(self.dut.get_ports()[0])
+            txport1 = self.tester.get_local_port(self.dut.get_ports()[1])
+            txport2 = self.tester.get_local_port(self.dut.get_ports()[2])
+            txport3 = self.tester.get_local_port(self.dut.get_ports()[3])
+            stream_id0 = self.tester.pktgen.add_stream(txport0, txport1, r'/root/test.pcap')
+            stream_id1 = self.tester.pktgen.add_stream(txport1, txport0, r'/root/test.pcap')
+            stream_id2 = self.tester.pktgen.add_stream(txport2, txport3, r'/root/test.pcap')
+            stream_id3 = self.tester.pktgen.add_stream(txport3, txport2, r'/root/test.pcap')
+            self.tester.pktgen.config_stream(stream_id0, options)
+            self.tester.pktgen.config_stream(stream_id1, options)
+            self.tester.pktgen.config_stream(stream_id2, options)
+            self.tester.pktgen.config_stream(stream_id3, options)
+            return [stream_id0, stream_id1, stream_id2, stream_id3]
+
+    def save_result(self, data):
+        '''
+        Saves the test results as a separated file named with self.nic+_single_core_perf.txt
+        in output folder if self.save_result_flag is True
+        '''
+        header = self.table_header
+        table = PrettyTable(header)
+        for frame_size in self.frame_sizes:
+            for descriptor in self.descriptors:
+                table_row = [self.test_result[frame_size][descriptor][header[0]]]
+                table_row.append(self.test_result[frame_size][descriptor][header[1]])
+                table_row.append(self.test_result[frame_size][descriptor][header[2]])
+                table_row.append(self.test_result[frame_size][descriptor][header[3]])
+                table_row.append(self.test_result[frame_size][descriptor][header[4]])
+                table.add_row(table_row)
+        file_to_save = open("output/%s_single_core_perf.txt" % self.nic, 'w')
+        file_to_save.write(str(table))
+        file_to_save.close()
+
+    def tear_down(self):
+        """
+        Run after each test case.
+        """
+        self.dut.send_expect("sed -i -e 's/CONFIG_RTE_LIBRTE_I40E_16BYTE_RX_DESC=y/CONFIG_RTE_LIBRTE_I40E_16BYTE_RX_DESC=n/' ./config/common_base", "#", 20)    
+
+    def tear_down_all(self):
+        """
+        Run after each test suite.
+        """
+        self.dut.kill_all()
-- 
2.7.4



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