def run_netperf(test, params, env):
"""
Network stress test with netperf.
1) Boot up VM(s), setup SSH authorization between host
and guest(s)/external host
2) Prepare the test environment in server/client/host
3) Execute netperf tests, collect and analyze the results
@param test: KVM test object.
@param params: Dictionary with the test parameters.
@param env: Dictionary with test environment.
"""
vm = env.get_vm(params["main_vm"])
vm.verify_alive()
login_timeout = int(params.get("login_timeout", 360))
session = vm.wait_for_login(timeout=login_timeout)
server = vm.get_address()
server_ctl = vm.get_address(1)
session.close()
logging.debug(commands.getoutput("numactl --hardware"))
logging.debug(commands.getoutput("numactl --show"))
# pin guest vcpus/memory/vhost threads to last numa node of host by default
if params.get('numa_node'):
numa_node = int(params.get('numa_node'))
node = virt_utils.NumaNode(numa_node)
virt_test_utils.pin_vm_threads(vm, node)
if "vm2" in params["vms"]:
vm2 = env.get_vm("vm2")
vm2.verify_alive()
session2 = vm2.wait_for_login(timeout=login_timeout)
client = vm2.get_address()
session2.close()
if params.get('numa_node'):
virt_test_utils.pin_vm_threads(vm2, node)
if params.get("client"):
client = params["client"]
if params.get("host"):
host = params["host"]
else:
cmd = "ifconfig %s|awk 'NR==2 {print $2}'|awk -F: '{print $2}'"
host = commands.getoutput(cmd % params["bridge"])
shell_port = int(params["shell_port"])
password = params["password"]
username = params["username"]
def env_setup(ip):
logging.debug("Setup env for %s" % ip)
SSHHost(ip, user=username, port=shell_port, password=password)
ssh_cmd(ip, "service iptables stop")
ssh_cmd(ip, "echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore")
netperf_dir = os.path.join(os.environ['AUTODIR'], "tests/netperf2")
for i in params.get("netperf_files").split():
virt_utils.scp_to_remote(ip, shell_port, username, password,
"%s/%s" % (netperf_dir, i), "/tmp/")
ssh_cmd(ip, params.get("setup_cmd"))
logging.info("Prepare env of server/client/host")
env_setup(server_ctl)
env_setup(client)
env_setup(host)
logging.info("Start netperf testing ...")
start_test(server, server_ctl, host, client, test.resultsdir,
l=int(params.get('l')),
sessions_rr=params.get('sessions_rr'),
sessions=params.get('sessions'),
sizes_rr=params.get('sizes_rr'),
sizes=params.get('sizes'),
protocols=params.get('protocols'))
def run_ntttcp(test, params, env):
"""
Run NTttcp on Windows guest
1) Install NTttcp in server/client side by Autoit
2) Start NTttcp in server/client side
3) Get test results
@param test: kvm test object
@param params: Dictionary with the test parameters
@param env: Dictionary with test environment.
"""
login_timeout = int(params.get("login_timeout", 360))
timeout = int(params.get("timeout"))
results_path = os.path.join(test.resultsdir, "raw_output_%s" % test.iteration)
platform = "x86"
if params.get("platform") == "64":
platform = "x64"
buffers = params.get("buffers").split()
buf_num = params.get("buf_num", 200000)
session_num = params.get("session_num")
vm_sender = env.get_vm(params["main_vm"])
vm_sender.verify_alive()
vm_receiver = None
receiver_addr = params.get("receiver_address")
logging.debug(utils.system("numactl --hardware", ignore_status=True))
logging.debug(utils.system("numactl --show", ignore_status=True))
# pin guest vcpus/memory/vhost threads to last numa node of host by default
if params.get("numa_node"):
numa_node = int(params.get("numa_node"))
node = virt_utils.NumaNode(numa_node)
virt_test_utils.pin_vm_threads(vm_sender, node)
if not receiver_addr:
vm_receiver = env.get_vm("vm2")
vm_receiver.verify_alive()
try:
sess = None
sess = vm_receiver.wait_for_login(timeout=login_timeout)
receiver_addr = vm_receiver.get_address()
if not receiver_addr:
raise error.TestError("Can't get receiver(%s) ip address" % vm_sender.name)
if params.get("numa_node"):
virt_test_utils.pin_vm_threads(vm_receiver, node)
finally:
if sess:
sess.close()
@error.context_aware
def install_ntttcp(session):
""" Install ntttcp through a remote session """
logging.info("Installing NTttcp ...")
try:
# Don't install ntttcp if it's already installed
error.context("NTttcp directory already exists")
session.cmd(params.get("check_ntttcp_cmd"))
except aexpect.ShellCmdError, e:
ntttcp_install_cmd = params.get("ntttcp_install_cmd")
error.context("Installing NTttcp on guest")
session.cmd(ntttcp_install_cmd % (platform, platform), timeout=200)