--- /dev/null
+#!/usr/bin/env python
+
+##############################################################################
+# Copyright (c) 2015 ZTE and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+# Unittest for yardstick.benchmark.scenarios.networking.pktgen.Pktgen
+
+import mock
+import unittest
+import json
+
+from yardstick.benchmark.scenarios.networking import pktgen_dpdk
+
+@mock.patch('yardstick.benchmark.scenarios.networking.pktgen_dpdk.ssh')
+class PktgenDPDKLatencyTestCase(unittest.TestCase):
+
+ def setUp(self):
+ self.ctx = {
+ 'host': {
+ 'ip': '172.16.0.137',
+ 'user': 'root',
+ 'key_filename': 'mykey.key'
+ },
+ 'target': {
+ 'ip': '172.16.0.138',
+ 'user': 'root',
+ 'key_filename': 'mykey.key',
+ 'ipaddr': '172.16.0.138'
+ }
+ }
+
+ def test_pktgen_dpdk_successful_setup(self, mock_ssh):
+
+ args = {
+ 'options': {'packetsize': 60},
+ }
+ p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
+ p.setup()
+
+ mock_ssh.SSH().execute.return_value = (0, '', '')
+ self.assertIsNotNone(p.server)
+ self.assertIsNotNone(p.client)
+ self.assertEqual(p.setup_done, True)
+
+ def test_pktgen_dpdk_successful_get_port_ip(self, mock_ssh):
+
+ args = {
+ 'options': {'packetsize': 60},
+ }
+ p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
+ p.server = mock_ssh.SSH()
+
+ mock_ssh.SSH().execute.return_value = (0, '', '')
+
+ p.get_port_ip(p.server, "eth1")
+
+ mock_ssh.SSH().execute.assert_called_with(
+ "ifconfig eth1 |grep 'inet addr' |awk '{print $2}' \
+ |cut -d ':' -f2 ")
+
+ def test_pktgen_dpdk_unsuccessful_get_port_ip(self, mock_ssh):
+
+ args = {
+ 'options': {'packetsize': 60},
+ }
+
+ p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
+ p.server = mock_ssh.SSH()
+
+ mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
+ self.assertRaises(RuntimeError, p.get_port_ip, p.server, "eth1")
+
+ def test_pktgen_dpdk_successful_get_port_mac(self, mock_ssh):
+
+ args = {
+ 'options': {'packetsize': 60},
+ }
+ p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
+ p.server = mock_ssh.SSH()
+
+ mock_ssh.SSH().execute.return_value = (0, '', '')
+
+ p.get_port_mac(p.server, "eth1")
+
+ mock_ssh.SSH().execute.assert_called_with(
+ "ifconfig |grep HWaddr |grep eth1 |awk '{print $5}' ")
+
+ def test_pktgen_dpdk_unsuccessful_get_port_mac(self, mock_ssh):
+
+ args = {
+ 'options': {'packetsize': 60},
+ }
+
+ p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
+ p.server = mock_ssh.SSH()
+
+ mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
+ self.assertRaises(RuntimeError, p.get_port_mac, p.server, "eth1")
+
+ def test_pktgen_dpdk_successful_no_sla(self, mock_ssh):
+
+ args = {
+ 'options': {'packetsize': 60},
+ }
+
+ result = {}
+ p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
+
+ sample_output = '100\n110\n112\n130\n149\n150\n90\n150\n200\n162\n'
+ mock_ssh.SSH().execute.return_value = (0, sample_output, '')
+
+ p.run(result)
+ self.assertEqual(result, {"avg_latency": 132})
+
+ def test_pktgen_dpdk_successful_sla(self, mock_ssh):
+
+ args = {
+ 'options': {'packetsize': 60},
+ 'sla': {'max_latency': 100}
+ }
+ result = {}
+
+ p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
+
+ sample_output = '100\n100\n100\n100\n100\n100\n100\n100\n100\n100\n'
+ mock_ssh.SSH().execute.return_value = (0, sample_output, '')
+
+ p.run(result)
+
+ self.assertEqual(result, {"avg_latency": 100})
+
+ def test_pktgen_dpdk_unsuccessful_sla(self, mock_ssh):
+
+ args = {
+ 'options': {'packetsize': 60},
+ 'sla': {'max_latency': 100}
+ }
+ result = {}
+
+ p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
+
+ p.server = mock_ssh.SSH()
+ p.client = mock_ssh.SSH()
+
+ sample_output = '100\n110\n112\n130\n149\n150\n90\n150\n200\n162\n'
+ mock_ssh.SSH().execute.return_value = (0, sample_output, '')
+ self.assertRaises(AssertionError, p.run, result)
+
+ def test_pktgen_dpdk_unsuccessful_script_error(self, mock_ssh):
+
+ args = {
+ 'options': {'packetsize': 60},
+ 'sla': {'max_latency': 100}
+ }
+ result = {}
+
+ p = pktgen_dpdk.PktgenDPDKLatency(args, self.ctx)
+
+ mock_ssh.SSH().execute.return_value = (1, '', 'FOOBAR')
+ self.assertRaises(RuntimeError, p.run, result)
+
+
+def main():
+ unittest.main()
+
+if __name__ == '__main__':
+ main()
self.assertEqual([mock.call("uname")] * 3,
self.test_client.execute.mock_calls)
+ @mock.patch("yardstick.ssh.paramiko")
+ def test_send_command(self, mock_paramiko):
+ paramiko_sshclient = self.test_client._get_client()
+ with mock.patch.object(paramiko_sshclient, "exec_command") \
+ as mock_paramiko_exec_command:
+ self.test_client.send_command('cmd')
+ mock_paramiko_exec_command.assert_called_once_with('cmd',
+ get_pty=True)
+
class SSHRunTestCase(unittest.TestCase):
"""Test SSH.run method in different aspects.
--- /dev/null
+##############################################################################
+# Copyright (c) 2016 ZTE corporation and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+import pkg_resources
+import logging
+import time
+
+import yardstick.ssh as ssh
+from yardstick.benchmark.scenarios import base
+
+LOG = logging.getLogger(__name__)
+
+
+class PktgenDPDKLatency(base.Scenario):
+ """Execute pktgen-dpdk on one vm and execute testpmd on the other vm
+
+ Parameters
+ packetsize - packet size in bytes without the CRC
+ type: int
+ unit: bytes
+ default: 64
+ """
+ __scenario_type__ = "PktgenDPDKLatency"
+
+ PKTGEN_DPDK_SCRIPT = 'pktgen_dpdk_latency_benchmark.bash'
+ TESTPMD_SCRIPT = 'testpmd_fwd.bash'
+
+ def __init__(self, scenario_cfg, context_cfg):
+ self.scenario_cfg = scenario_cfg
+ self.context_cfg = context_cfg
+ self.setup_done = False
+
+ def setup(self):
+ '''scenario setup'''
+ self.pktgen_dpdk_script = pkg_resources.resource_filename(
+ 'yardstick.benchmark.scenarios.networking',
+ PktgenDPDKLatency.PKTGEN_DPDK_SCRIPT)
+ self.testpmd_script = pkg_resources.resource_filename(
+ 'yardstick.benchmark.scenarios.networking',
+ PktgenDPDKLatency.TESTPMD_SCRIPT)
+ host = self.context_cfg['host']
+ host_user = host.get('user', 'ubuntu')
+ host_ip = host.get('ip', None)
+ host_key_filename = host.get('key_filename', '~/.ssh/id_rsa')
+ target = self.context_cfg['target']
+ target_user = target.get('user', 'ubuntu')
+ target_ip = target.get('ip', None)
+ target_key_filename = target.get('key_filename', '~/.ssh/id_rsa')
+ LOG.info("user:%s, target:%s", target_user, target_ip)
+ self.server = ssh.SSH(target_user, target_ip,
+ key_filename=target_key_filename)
+ self.server.wait(timeout=600)
+
+ # copy script to host
+ self.server.run("cat > ~/testpmd_fwd.sh",
+ stdin=open(self.testpmd_script, "rb"))
+
+ LOG.info("user:%s, host:%s", host_user, host_ip)
+ self.client = ssh.SSH(host_user, host_ip,
+ key_filename=host_key_filename)
+ self.client.wait(timeout=600)
+
+ # copy script to host
+ self.client.run("cat > ~/pktgen_dpdk.sh",
+ stdin=open(self.pktgen_dpdk_script, "rb"))
+
+ self.setup_done = True
+ self.testpmd_args = ''
+ self.pktgen_args = []
+
+ @staticmethod
+ def get_port_mac(sshclient, port):
+ cmd = "ifconfig |grep HWaddr |grep %s |awk '{print $5}' " % port
+ LOG.debug("Executing command: %s", cmd)
+ status, stdout, stderr = sshclient.execute(cmd)
+
+ if status:
+ raise RuntimeError(stderr)
+ else:
+ return stdout.rstrip()
+
+ @staticmethod
+ def get_port_ip(sshclient, port):
+ cmd = "ifconfig %s |grep 'inet addr' |awk '{print $2}' \
+ |cut -d ':' -f2 " % port
+ LOG.debug("Executing command: %s", cmd)
+ status, stdout, stderr = sshclient.execute(cmd)
+
+ if status:
+ raise RuntimeError(stderr)
+ else:
+ return stdout.rstrip()
+
+ def run(self, result):
+ """execute the benchmark"""
+
+ if not self.setup_done:
+ self.setup()
+
+ if not self.testpmd_args:
+ self.testpmd_args = self.get_port_mac(self.client, 'eth2')
+
+ if not self.pktgen_args:
+ server_rev_mac = self.get_port_mac(self.server, 'eth1')
+ server_send_mac = self.get_port_mac(self.server, 'eth2')
+ client_src_ip = self.get_port_ip(self.client, 'eth1')
+ client_dst_ip = self.get_port_ip(self.client, 'eth2')
+
+ self.pktgen_args = [client_src_ip, client_dst_ip,
+ server_rev_mac, server_send_mac]
+
+ options = self.scenario_cfg['options']
+ packetsize = options.get("packetsize", 64)
+ rate = options.get("rate", 100)
+
+ cmd = "screen sudo -E bash ~/testpmd_fwd.sh %s " % (self.testpmd_args)
+ LOG.debug("Executing command: %s", cmd)
+ self.server.send_command(cmd)
+
+ time.sleep(1)
+
+ cmd = "screen sudo -E bash ~/pktgen_dpdk.sh %s %s %s %s %s %s" % \
+ (self.pktgen_args[0], self.pktgen_args[1], self.pktgen_args[2],
+ self.pktgen_args[3], rate, packetsize)
+ LOG.debug("Executing command: %s", cmd)
+ self.client.send_command(cmd)
+
+ # wait for finishing test
+ time.sleep(1)
+
+ cmd = "cat ~/result.log -vT \
+ |awk '{match($0,/\[8;40H +[0-9]+/)} \
+ {print substr($0,RSTART,RLENGTH)}' \
+ |grep -v ^$ |awk '{if ($2 != 0) print $2}'"
+ client_status, client_stdout, client_stderr = self.client.execute(cmd)
+
+ if client_status:
+ raise RuntimeError(client_stderr)
+
+ avg_latency = 0
+ if client_stdout:
+ latency_list = client_stdout.split('\n')[0:-2]
+ LOG.info("10 samples of latency: %s", latency_list)
+ latency_sum = 0
+ for i in latency_list:
+ latency_sum += int(i)
+ avg_latency = latency_sum/len(latency_list)
+
+ result.update({"avg_latency": avg_latency})
+
+ if avg_latency and "sla" in self.scenario_cfg:
+ sla_max_latency = int(self.scenario_cfg["sla"]["max_latency"])
+ LOG.info("avg_latency : %d ", avg_latency)
+ LOG.info("sla_max_latency: %d", sla_max_latency)
+ debug_info = "avg_latency %d > sla_max_latency %d" \
+ % (avg_latency, sla_max_latency)
+ assert avg_latency <= sla_max_latency, debug_info
--- /dev/null
+!/bin/sh
+
+set -e
+
+# Commandline arguments
+SRC_IP=$1 # source IP address of sender in VM A
+DST_IP=$2 # destination IP address of receiver in VM A
+FWD_REV_MAC=$3 # MAC address of forwarding receiver in VM B
+FWD_SEND_MAC=$4 # MAC address of forwarding sender in VM B
+RATE=$5 # packet rate in percentage
+PKT_SIZE=$6 # packet size
+
+
+load_modules()
+{
+ if lsmod | grep "uio" &> /dev/null ; then
+ echo "uio module is loaded"
+ else
+ modprobe uio
+ fi
+
+ if lsmod | grep "igb_uio" &> /dev/null ; then
+ echo "igb_uio module is loaded"
+ else
+ insmod /dpdk/x86_64-native-linuxapp-gcc/kmod/igb_uio.ko
+ fi
+
+ if lsmod | grep "rte_kni" &> /dev/null ; then
+ echo "rte_kni module is loaded"
+ else
+ insmod /dpdk/x86_64-native-linuxapp-gcc/kmod/rte_kni.ko
+ fi
+}
+
+change_permissions()
+{
+ chmod 777 /sys/bus/pci/drivers/virtio-pci/*
+ chmod 777 /sys/bus/pci/drivers/igb_uio/*
+}
+
+add_interface_to_dpdk(){
+ interfaces=$(lspci |grep Eth |tail -n +2 |awk '{print $1}')
+ /dpdk/tools/dpdk-devbind.py --bind=igb_uio $interfaces
+
+}
+
+create_pktgen_config_lua()
+{
+ touch /home/ubuntu/pktgen_latency.lua
+ lua_file="/home/ubuntu/pktgen_latency.lua"
+ chmod 777 $lua_file
+ echo $lua_file
+
+ cat << EOF > "/home/ubuntu/pktgen_latency.lua"
+package.path = package.path ..";?.lua;test/?.lua;app/?.lua;"
+
+ -- require "Pktgen";
+function pktgen_config()
+
+ pktgen.screen("off");
+
+ pktgen.set_ipaddr("0", "dst", "$DST_IP");
+ pktgen.set_ipaddr("0", "src", "$SRC_IP/24");
+ pktgen.set_mac("0", "$FWD_REV_MAC");
+ pktgen.set_ipaddr("1", "dst", "$SRC_IP");
+ pktgen.set_ipaddr("1", "src", "$DST_IP/24");
+ pktgen.set_mac("1", "$FWD_SEND_MAC");
+ pktgen.set(0, "rate", $RATE);
+ pktgen.set(0, "size", $PKT_SIZE);
+ pktgen.set_proto("all", "udp");
+ pktgen.latency("all","enable");
+ pktgen.latency("all","on");
+
+ pktgen.start(0);
+ end
+
+pktgen_config()
+EOF
+}
+
+
+create_expect_file()
+{
+ touch /home/ubuntu/pktgen.exp
+ expect_file="/home/ubuntu/pktgen.exp"
+ chmod 777 $expect_file
+ echo $expect_file
+
+ cat << 'EOF' > "/home/ubuntu/pktgen.exp"
+#!/usr/bin/expect
+
+set blacklist [lindex $argv 0]
+set log [lindex $argv 1]
+set result {}
+set timeout 15
+spawn ./app/app/x86_64-native-linuxapp-gcc/pktgen -c 0x07 -n 4 -b $blacklist -- -P -m "1.0, 2.1" -f /home/ubuntu/pktgen_latency.lua
+expect "Pktgen>"
+send "\n"
+expect "Pktgen>"
+send "screen on\n"
+expect "Pktgen>"
+set count 10
+while { $count } {
+ send "page latency\n"
+ expect {
+ timeout { send "\n" }
+ -regexp {..*} {
+ set result "${result}$expect_out(0,string)"
+ set timeout 1
+ exp_continue
+ }
+ "Pktgen>"
+ }
+ set count [expr $count-1]
+}
+send "stop 0\n"
+expect "Pktgen>"
+send "quit\n"
+expect "#"
+
+set file [ open $log w ]
+puts $file $result
+EOF
+
+}
+
+run_pktgen()
+{
+ blacklist=$(lspci |grep Eth |awk '{print $1}'|head -1)
+ cd /pktgen-dpdk
+ touch /home/ubuntu/result.log
+ result_log="/home/ubuntu/result.log"
+ sudo expect /home/ubuntu/pktgen.exp $blacklist $result_log
+}
+
+main()
+{
+ load_modules
+ change_permissions
+ create_pktgen_config_lua
+ create_expect_file
+ add_interface_to_dpdk
+ run_pktgen
+}
+
+main
+
--- /dev/null
+#!/bin/sh
+
+set -e
+
+# Commandline arguments
+DST_MAC=$1 # MAC address of the peer port
+
+load_modules()
+{
+ if lsmod | grep "uio" &> /dev/null ; then
+ echo "uio module is loaded"
+ else
+ modprobe uio
+ fi
+
+ if lsmod | grep "igb_uio" &> /dev/null ; then
+ echo "igb_uio module is loaded"
+ else
+ insmod /dpdk/x86_64-native-linuxapp-gcc/kmod/igb_uio.ko
+ fi
+
+ if lsmod | grep "rte_kni" &> /dev/null ; then
+ echo "rte_kni module is loaded"
+ else
+ insmod /dpdk/x86_64-native-linuxapp-gcc/kmod/rte_kni.ko
+ fi
+}
+
+change_permissions()
+{
+ chmod 777 /sys/bus/pci/drivers/virtio-pci/*
+ chmod 777 /sys/bus/pci/drivers/igb_uio/*
+}
+
+add_interface_to_dpdk(){
+ interfaces=$(lspci |grep Eth |tail -n +2 |awk '{print $1}')
+ /dpdk/tools/dpdk-devbind.py --bind=igb_uio $interfaces
+}
+
+run_testpmd()
+{
+ blacklist=$(lspci |grep Eth |awk '{print $1}'|head -1)
+ cd /dpdk
+ sudo ./destdir/bin/testpmd -c 0x07 -n 4 -b $blacklist -- -a --eth-peer=1,$DST_MAC --forward-mode=mac
+}
+
+main()
+{
+ load_modules
+ change_permissions
+ add_interface_to_dpdk
+ run_testpmd
+}
+
+main
with SCPClient(client.get_transport()) as scp:
scp.put(files, remote_path, recursive)
+
+ # keep shell running in the background, e.g. screen
+ def send_command(self, command):
+ client = self._get_client()
+ client.exec_command(command, get_pty=True)
Code Review / yardstick.git / commitdiff