[dts] [Patch V1] tests/TestSuite_nic_single_core_perf.py : add new test suite for nic_single_core_perf

wang fei feix.y.wang at intel.com
Wed Sep 20 14:41:32 CEST 2017


Signed-off-by: wang fei <feix.y.wang at intel.com>
---
 tests/TestSuite_nic_single_core_perf.py | 374 ++++++++++++++++++++++++++++++++
 1 file changed, 374 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..862335d
--- /dev/null
+++ b/tests/TestSuite_nic_single_core_perf.py
@@ -0,0 +1,374 @@
+# BSD LICENSE
+#
+# 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.
+Test userland 10Gb PMD
+"""
+
+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 etgen import IxiaPacketGenerator
+from copy import deepcopy
+from prettytable import PrettyTable
+
+
+class NicSingleCorePerf(TestCase,IxiaPacketGenerator):
+
+    def set_up_all(self):
+        """
+        Run at the start of each test suite.
+
+        PMD prerequisites.
+        """
+        self.tester.extend_external_packet_generator(NicSingleCorePerf, self)
+
+        self.frame_sizes = [64]
+        self.ixgbe_descriptors = [128,512,2048]
+        self.i40e_descriptors = [512,2048]
+        #number to launch testpmd for each descriptor test 
+        self.runs = 3
+        #traffic duraion in second
+        self.trafficDuration = 60
+        self.test_cycles = [{'cores': '1S/2C/1T', 'descriptor': {},'bytes':{}, 'Mpps': {}, 'pct': {}}
+                            ]
+        #list expected throughput values for 64byte packet size and diff txd/rxd values
+        self.expected_throughput_nnt = {64:{128: 51.303,512: 34.603,2048: 34.539}}
+        self.expected_throughput_fvl40g = {64:{512: 43.614,2048: 38.407}}
+        self.expected_throughput_fvl25g = {64:{512: 43.365,2048: 38.658}}
+        
+        self.table_header = ['Frame Size']
+        for test_cycle in self.test_cycles:
+            self.table_header.append("txd/rxd")
+            self.table_header.append("Throughput")
+            self.table_header.append("% linerate")
+            self.table_header.append("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.headers_size = HEADER_SIZE['eth'] + HEADER_SIZE[
+            'ip'] + HEADER_SIZE['tcp']
+
+        self.ports_socket = self.dut.get_numa_id(self.dut_ports[0])
+
+        self.pmdout = PmdOutput(self.dut)
+        
+        pdb.set_trace()
+    def set_up(self):
+        """
+        Run before each test case.
+        """
+        pass
+
+    def test_nic_single_core_performance(self):
+        """
+        Run single core performance
+        """
+        if len(self.dut_ports) >= 4 and self._get_nic_driver(self.nic) == "ixgbe":
+            self.single_core_performance_4ports()
+        elif len(self.dut_ports) >= 2 and self._get_nic_driver(self.nic) == "i40e":
+            self.single_core_performance_2ports()
+        
+    def single_core_performance_4ports(self):
+        """
+        PMD Performance Benchmarking with 4 ports.
+        """
+        all_cores_mask = utils.create_mask(self.dut.get_core_list("all"))
+
+        # prepare traffic generator input
+        tgen_input = []
+
+        tgen_input.append((self.tester.get_local_port(self.dut_ports[0]),
+                           self.tester.get_local_port(self.dut_ports[1]),
+                           "test.pcap"))
+        tgen_input.append((self.tester.get_local_port(self.dut_ports[2]),
+                           self.tester.get_local_port(self.dut_ports[3]),
+                           "test.pcap"))
+        tgen_input.append((self.tester.get_local_port(self.dut_ports[1]),
+                           self.tester.get_local_port(self.dut_ports[0]),
+                           "test.pcap"))
+        tgen_input.append((self.tester.get_local_port(self.dut_ports[3]),
+                           self.tester.get_local_port(self.dut_ports[2]),
+                           "test.pcap"))
+        #record test results
+        results = {}
+        
+        # run testpmd for each core config
+        for test_cycle in self.test_cycles:
+            core_config = test_cycle['cores']
+
+            core_list = self.dut.get_core_list(core_config,
+                                               socket=self.ports_socket)
+
+            if len(core_list) > 4:
+                queues = len(core_list) / 4
+            else:
+                queues = 1
+
+            core_mask = utils.create_mask(core_list)
+            port_mask = utils.create_mask(self.dut.get_ports())
+
+            for descriptor in self.ixgbe_descriptors:
+                run_results = []
+                for run in range(self.runs):
+                    self.logger.info("testpmd launch #%d for Descriptor length:%d" % (run,descriptor))
+                    self.pmdout.start_testpmd(core_config, " --rxq=%d --txq=%d --portmask=%s --rss-ip --txrst=32 --txfreet=32 --txd=%d --rxd=%d --txqflags=0xf01" % (queues, queues, port_mask,descriptor,descriptor), socket=self.ports_socket)
+                    command_line = self.pmdout.get_pmd_cmd()
+
+                    info = "Executing PMD using %s\n" % test_cycle['cores']
+                    self.logger.info(info)
+
+                    # self.dut.send_expect("set fwd mac", "testpmd> ", 100)
+                    self.dut.send_expect("start", "testpmd> ", 100)
+                    for frame_size in self.frame_sizes:
+                        wirespeed = self.wirespeed(self.nic, frame_size, 4)
+
+                        # create pcap file
+                        self.logger.info("Running with frame size %d " % frame_size)
+                        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()
+
+                        #create packet number to send
+                        nicSpeed = self.get_nic_speed(self.nic)
+                        pktToSend = self.packets_to_send(nicSpeed,frame_size,self.trafficDuration)
+                        self.logger.info("Configure %s packets to send for each port" % pktToSend)
+						
+                        #send the traffic 
+                        _,packets_received= self.tester.traffic_generator_send_packets(tgen_input,100,pktToSend,5,self.trafficDuration)
+                        
+                        throughput = packets_received/1000000.0/self.trafficDuration
+                        run_results.append(throughput)
+                        
+                        self.dut.send_expect("stop", "testpmd> ")
+                        self.dut.send_expect("quit", "# ", 30)
+                        sleep(5)
+                self.logger.info("Throughput results for Descriptor :%s are :%s Mpps" % (descriptor,run_results))  
+                Mpps = max(run_results)
+                test_cycle['Mpps'][frame_size] = float("%.3f" % Mpps)
+                test_cycle['pct'][frame_size] = float("%.3f" % (Mpps * 100 / wirespeed))
+                test_cycle['descriptor'][frame_size] = descriptor
+                test_cycle['bytes'][frame_size] = frame_size
+
+                results[descriptor] = deepcopy(test_cycle)
+               
+        for descriptor in self.ixgbe_descriptors:
+            for frame_size in self.frame_sizes:
+                self.verify(results[descriptor]['Mpps'][
+                        frame_size] > 0, "No traffic detected")
+
+        # Print results
+        table_rows = []        
+        self.result_table_create(self.table_header)                   
+        for descriptor in self.ixgbe_descriptors:
+            for frame_size in self.frame_sizes:
+                table_row = [results[descriptor]['bytes'][frame_size]]
+                table_row.append(results[descriptor]['descriptor'][frame_size])
+                table_row.append(results[descriptor]['Mpps'][frame_size])
+                table_row.append(results[descriptor]['pct'][frame_size])
+                table_row.append(self.expected_throughput_nnt[frame_size][descriptor])
+                
+                self.result_table_add(table_row)
+                table_rows.append(table_row)
+
+        self.result_table_print()
+        
+        #export the result table into a separate .txt file in output folde 
+        out_export = PrettyTable(self.table_header)
+        for row in table_rows:
+            out_export.add_row(row)
+        output_file = open("output/%s_single_core_perf.txt" % self.nic,'w')
+        output_file.write(str(out_export))
+        output_file.close()
+
+        #compare actual throughput and expected throughput,will raise failure is the gap lager than 1Mpps
+        for frame_size in self.frame_sizes:
+            for descriptor in self.ixgbe_descriptors:
+                self.verify(self.expected_throughput_nnt[frame_size][descriptor] - results[descriptor]['Mpps'][frame_size] < 1,"Unexpected Throughput,Gap exceeded 1 Mpps")
+
+    def single_core_performance_2ports(self):
+        """
+        PMD Performance Benchmarking with 2 ports.
+        """
+
+        all_cores_mask = utils.create_mask(self.dut.get_core_list("all"))
+
+        # prepare traffic generator input
+        tgen_input = []
+        tgen_input.append((self.tester.get_local_port(self.dut_ports[0]),
+                           self.tester.get_local_port(self.dut_ports[1]),
+                           "test.pcap"))
+        tgen_input.append((self.tester.get_local_port(self.dut_ports[1]),
+                           self.tester.get_local_port(self.dut_ports[0]),
+                           "test.pcap"))
+        
+        #record test results
+        results = {}
+        
+        # run testpmd for each core config
+        for test_cycle in self.test_cycles:
+            core_config = test_cycle['cores']
+
+            core_list = self.dut.get_core_list(core_config,
+                                               socket=self.ports_socket)
+
+            if len(core_list) > 2:
+                queues = len(core_list) / 2
+            else:
+                queues = 1
+
+            core_mask = utils.create_mask(core_list)
+            port_mask = utils.create_mask([self.dut_ports[0], self.dut_ports[1]])
+
+            for descriptor in self.i40e_descriptors: 
+                run_results = []
+                for run in range(self.runs):
+                    self.logger.info("testpmd launch #%d for Descriptor length:%d" % (run,descriptor))
+                    self.pmdout.start_testpmd(core_config, " --rxq=%d --txq=%d --portmask=%s --rss-ip --txrst=32 --txfreet=32 --txd=%d --rxd=%d" % (queues, queues, port_mask,descriptor,descriptor), socket=self.ports_socket)
+                    command_line = self.pmdout.get_pmd_cmd()
+
+                    info = "Executing PMD using %s\n" % test_cycle['cores']
+                    self.logger.info(info)
+ 
+                    self.dut.send_expect("start", "testpmd> ", 100)
+
+
+                    for frame_size in self.frame_sizes:
+                        wirespeed = self.wirespeed(self.nic, frame_size, 2)
+
+                        # create pcap file
+                        self.logger.info("Running with frame size %d " % frame_size)
+                        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()
+					    
+                        #create packet number to send
+                        nicSpeed = self.get_nic_speed(self.nic)
+                        pktToSend = self.packets_to_send(nicSpeed,frame_size,self.trafficDuration)
+                        self.logger.info("Configure %s packets to send for each port" % pktToSend)
+						
+                        #send the traffic
+                        pdb.set_trace()                        
+                        _,packets_received= self.tester.traffic_generator_send_packets(tgen_input,100,pktToSend,5,self.trafficDuration)
+                        throughput = packets_received/1000000.0/self.trafficDuration
+                        run_results.append(throughput)
+                        self.dut.send_expect("stop", "testpmd> ")
+                        self.dut.send_expect("quit", "# ", 30)
+                        sleep(5)
+                self.logger.info("Throughput results for Descriptor :%s are :%s Mpps" % (descriptor,run_results))
+                Mpps = max(run_results)
+                test_cycle['Mpps'][frame_size] = float("%.3f" % Mpps)
+                test_cycle['pct'][frame_size] = float("%.3f" % (Mpps * 100 / wirespeed))
+                test_cycle['descriptor'][frame_size] = descriptor
+                test_cycle['bytes'][frame_size] = frame_size
+					
+                results[descriptor] = deepcopy(test_cycle)
+
+            for descriptor in self.i40e_descriptors:
+                for frame_size in self.frame_sizes:
+                    self.verify(results[descriptor]['Mpps'][
+                            frame_size] > 0, "No traffic detected")
+
+        # Print results 
+        table_rows = []        
+        self.result_table_create(self.table_header)                   
+        for descriptor in self.i40e_descriptors:
+            for frame_size in self.frame_sizes:
+                table_row = [results[descriptor]['bytes'][frame_size]]
+                table_row.append(results[descriptor]['descriptor'][frame_size])
+                table_row.append(results[descriptor]['Mpps'][frame_size])
+                table_row.append(results[descriptor]['pct'][frame_size])
+                if self.nic == 'fortville_spirit':
+                    table_row.append(self.expected_throughput_fvl40g[frame_size][descriptor])
+                elif self.nic == 'fortville_25g':
+                    table_row.append(self.expected_throughput_fvl25g[frame_size][descriptor])
+                self.result_table_add(table_row)
+                table_rows.append(table_row)
+        self.result_table_print()
+        
+        #export the result table into a separate .txt file in output folder 
+        out_export = PrettyTable(self.table_header)
+        for row in table_rows:
+            out_export.add_row(row)
+        output_file = open("output/%s_single_core_perf.txt" % self.nic,'w')
+        output_file.write(str(out_export))
+        output_file.close()
+        
+        #compare actual throughput and expected throughput
+        for frame_size in self.frame_sizes:
+            for descriptor in self.i40e_descriptors:
+                if self.nic == 'fortville_spirit':
+                    self.verify(self.expected_throughput_fvl40g[frame_size][descriptor] - results[descriptor]['Mpps'][frame_size] < 1,"Unexpected Throughput,Gap exceeded 1Mpps")
+                elif self.nic == 'fortville_25g':
+                    self.verify(self.expected_throughput_fvl25g[frame_size][descriptor] - results[descriptor]['Mpps'][frame_size] < 1,"Unexpected Throughput,Gap exceeded 1Mpps")
+                   
+    def packets_to_send(self,nicSpeed=10,packetLenth=64,duration=60):
+        """
+        Caculate and return the theoretical number of packets for specified speed for certain duration of different packet length
+        """
+        return int(float(nicSpeed)*1000000000/8/(packetLenth+20)*duration)
+
+
+    def get_nic_speed(self,nicType):
+        '''
+        return port link speed for NNT and FVL40G and FVL25G NIC
+        '''
+        if nicType== 'niantic':
+            return 10
+        elif nicType == 'fortville_spirit':
+            return 40
+        elif nicType == 'fortville_25g':
+            return 25
+        
+        
+    def tear_down(self):
+        """
+        Run after each test case.
+        """
+        pass
+
+    def tear_down_all(self):
+        """
+        Run after each test suite.
+        """
+        self.dut.kill_all()
-- 
2.7.4



More information about the dts mailing list