from __future__ import absolute_import
import array
-import operator
-import logging
import io
+import logging
+import operator
import os
import re
import select
import socket
-
-from collections import OrderedDict, namedtuple
import time
+from collections import OrderedDict, namedtuple
from contextlib import contextmanager
from itertools import repeat, chain
+from multiprocessing import Queue
import six
-from multiprocessing import Queue
-from six.moves import zip, StringIO
from six.moves import cStringIO
+from six.moves import zip, StringIO
from yardstick.benchmark.scenarios.networking.vnf_generic import find_relative_file
-from yardstick.common.utils import SocketTopology, ip_to_hex, join_non_strings, try_int
-from yardstick.network_services.vnf_generic.vnf.iniparser import ConfigParser
+from yardstick.common import utils
+from yardstick.common.utils import SocketTopology, join_non_strings, try_int
+from yardstick.network_services.helpers.iniparser import ConfigParser
from yardstick.network_services.vnf_generic.vnf.sample_vnf import ClientResourceHelper
from yardstick.network_services.vnf_generic.vnf.sample_vnf import DpdkVnfSetupEnvHelper
-
PROX_PORT = 8474
SECTION_NAME = 0
class CoreSocketTuple(namedtuple('CoreTuple', 'core_id, socket_id, hyperthread')):
-
CORE_RE = re.compile(r"core\s+(\d+)(?:s(\d+))?(h)?$")
def __new__(cls, *args):
class TotStatsTuple(namedtuple('TotStats', 'rx,tx,tsc,hz')):
-
def __new__(cls, *args):
try:
assert args[0] is not str(args[0])
class ProxTestDataTuple(namedtuple('ProxTestDataTuple', 'tolerated,tsc_hz,delta_rx,'
'delta_tx,delta_tsc,'
'latency,rx_total,tx_total,pps')):
-
@property
def pkt_loss(self):
try:
class PacketDump(object):
-
@staticmethod
def assert_func(func, value1, value2, template=None):
assert func(value1, value2), template.format(value1, value2)
self._sock = sock
self._pkt_dumps = []
+ self.master_stats = None
def connect(self, ip, port):
"""Connect to the prox instance on the remote system"""
def get_data(self, pkt_dump_only=False, timeout=1):
""" read data from the socket """
+
# This method behaves slightly differently depending on whether it is
# called to read the response to a command (pkt_dump_only = 0) or if
# it is called specifically to read a packet dump (pkt_dump_only = 1).
""" send data to the remote instance """
LOG.debug("Sending data to socket: [%s]", to_send.rstrip('\n'))
try:
+ # TODO: sendall will block, we need a timeout
self._sock.sendall(to_send.encode('utf-8'))
except:
pass
LOG.debug("Set value for core(s) %s", cores)
self._run_template_over_cores("reset values {} 0\n", cores)
- def set_speed(self, cores, speed):
+ def set_speed(self, cores, speed, tasks=None):
""" set speed on the remote instance """
- LOG.debug("Set speed for core(s) %s to %g", cores, speed)
- self._run_template_over_cores("speed {} 0 {}\n", cores, speed)
+ if tasks is None:
+ tasks = [0] * len(cores)
+ elif len(tasks) != len(cores):
+ LOG.error("set_speed: cores and tasks must have the same len")
+ LOG.debug("Set speed for core(s)/tasks(s) %s to %g", list(zip(cores, tasks)), speed)
+ for (core, task) in list(zip(cores, tasks)):
+ self.put_command("speed {} {} {}\n".format(core, task, speed))
def slope_speed(self, cores_speed, duration, n_steps=0):
"""will start to increase speed from 0 to N where N is taken from
def hz(self):
return self.get_all_tot_stats()[3]
- # Deprecated
- # TODO: remove
- def rx_stats(self, cores, task=0):
- return self.core_stats(cores, task)
-
def core_stats(self, cores, task=0):
"""Get the receive statistics from the remote system"""
rx = tx = drop = tsc = 0
"""Activate dump on rx on the specified core"""
LOG.debug("Activating dump on RX for core %d, task %d, count %d", core_id, task_id, count)
self.put_command("dump_rx {} {} {}\n".format(core_id, task_id, count))
- time.sleep(1.5) # Give PROX time to set up packet dumping
+ time.sleep(1.5) # Give PROX time to set up packet dumping
def quit(self):
self.stop_all()
time.sleep(3)
+_LOCAL_OBJECT = object()
+
+
class ProxDpdkVnfSetupEnvHelper(DpdkVnfSetupEnvHelper):
# the actual app is lowercase
APP_NAME = 'prox'
+ # not used for Prox but added for consistency
+ VNF_TYPE = "PROX"
LUA_PARAMETER_NAME = ""
LUA_PARAMETER_PEER = {
"sut": "gen",
}
+ CONFIG_QUEUE_TIMEOUT = 120
+
def __init__(self, vnfd_helper, ssh_helper, scenario_helper):
self.remote_path = None
super(ProxDpdkVnfSetupEnvHelper, self).__init__(vnfd_helper, ssh_helper, scenario_helper)
self._prox_config_data = None
self.additional_files = {}
self.config_queue = Queue()
+ # allow_exit_without_flush
+ self.config_queue.cancel_join_thread()
+ self._global_section = None
+
+ @property
+ def prox_config_data(self):
+ if self._prox_config_data is None:
+ # this will block, but it needs too
+ self._prox_config_data = self.config_queue.get(True, self.CONFIG_QUEUE_TIMEOUT)
+ return self._prox_config_data
+
+ @property
+ def global_section(self):
+ if self._global_section is None and self.prox_config_data:
+ self._global_section = self.find_section("global")
+ return self._global_section
+
+ def find_section(self, name, default=_LOCAL_OBJECT):
+ result = next((value for key, value in self.prox_config_data if key == name), default)
+ if result is _LOCAL_OBJECT:
+ raise KeyError('{} not found in Prox config'.format(name))
+ return result
+
+ def find_in_section(self, section_name, section_key, default=_LOCAL_OBJECT):
+ section = self.find_section(section_name, [])
+ result = next((value for key, value in section if key == section_key), default)
+ if result is _LOCAL_OBJECT:
+ template = '{} not found in {} section of Prox config'
+ raise KeyError(template.format(section_key, section_name))
+ return result
def _build_pipeline_kwargs(self):
tool_path = self.ssh_helper.provision_tool(tool_file=self.APP_NAME)
return sections
+ @staticmethod
+ def write_prox_lua(lua_config):
+ """
+ Write an .ini-format config file for PROX (parameters.lua)
+ PROX does not allow a space before/after the =, so we need
+ a custom method
+ """
+ out = []
+ for key in lua_config:
+ value = '"' + lua_config[key] + '"'
+ if key == "__name__":
+ continue
+ if value is not None and value != '@':
+ key = "=".join((key, str(value).replace('\n', '\n\t')))
+ out.append(key)
+ else:
+ key = str(key).replace('\n', '\n\t')
+ out.append(key)
+ return os.linesep.join(out)
+
@staticmethod
def write_prox_config(prox_config):
"""
def generate_prox_lua_file(self):
p = OrderedDict()
all_ports = self.vnfd_helper.port_pairs.all_ports
- lua_param = self.LUA_PARAMETER_NAME
for port_name in all_ports:
- peer = self.LUA_PARAMETER_PEER[lua_param]
port_num = self.vnfd_helper.port_num(port_name)
intf = self.vnfd_helper.find_interface(name=port_name)
vintf = intf['virtual-interface']
- local_ip = vintf["local_ip"]
- dst_ip = vintf["dst_ip"]
- local_ip_hex = ip_to_hex(local_ip, separator=' ')
- dst_ip_hex = ip_to_hex(dst_ip, separator=' ')
- p.update([
- ("{}_hex_ip_port_{}".format(lua_param, port_num), local_ip_hex),
- ("{}_ip_port_{}".format(lua_param, port_num), local_ip),
- ("{}_hex_ip_port_{}".format(peer, port_num), dst_ip_hex),
- ("{}_ip_port_{}".format(peer, port_num), dst_ip),
- ])
- lua = os.linesep.join(('{}:"{}"'.format(k, v) for k, v in p.items()))
- return lua
-
- def upload_prox_lua(self, config_dir, prox_config_dict):
- # we could have multiple lua directives
- lau_dict = prox_config_dict.get('lua', {})
- find_iter = (re.findall(r'\("([^"]+)"\)', k) for k in lau_dict)
- lua_file = next((found[0] for found in find_iter if found), None)
- if not lua_file:
- return ""
-
- out = self.generate_prox_lua_file()
- remote_path = os.path.join(config_dir, lua_file)
- return self.put_string_to_file(out, remote_path)
-
- def upload_prox_config(self, config_file, prox_config_dict):
+ p["tester_mac{0}".format(port_num)] = vintf["dst_mac"]
+ p["src_mac{0}".format(port_num)] = vintf["local_mac"]
+
+ return p
+
+ def upload_prox_lua(self, config_file, lua_data):
# prox can't handle spaces around ' = ' so use custom method
- out = StringIO(self.write_prox_config(prox_config_dict))
+ out = StringIO(self.write_prox_lua(lua_data))
out.seek(0)
remote_path = os.path.join("/tmp", config_file)
self.ssh_helper.put_file_obj(out, remote_path)
return remote_path
- CONFIG_QUEUE_TIMEOUT = 120
+ def upload_prox_config(self, config_file, prox_config_data):
+ # prox can't handle spaces around ' = ' so use custom method
+ out = StringIO(self.write_prox_config(prox_config_data))
+ out.seek(0)
+ remote_path = os.path.join("/tmp", config_file)
+ self.ssh_helper.put_file_obj(out, remote_path)
- @property
- def prox_config_data(self):
- if self._prox_config_data is None:
- # this will block, but it needs too
- self._prox_config_data = self.config_queue.get(True, self.CONFIG_QUEUE_TIMEOUT)
- return self._prox_config_data
+ return remote_path
def build_config_file(self):
task_path = self.scenario_helper.task_path
config_path = find_relative_file(config_path, task_path)
self.additional_files = {}
+ try:
+ if options['prox_generate_parameter']:
+ self.lua = []
+ self.lua = self.generate_prox_lua_file()
+ if len(self.lua) > 0:
+ self.upload_prox_lua("parameters.lua", self.lua)
+ except:
+ pass
+
prox_files = options.get('prox_files', [])
if isinstance(prox_files, six.string_types):
prox_files = [prox_files]
class ProxResourceHelper(ClientResourceHelper):
RESOURCE_WORD = 'prox'
- PROX_CORE_GEN_MODE = "gen"
- PROX_CORE_LAT_MODE = "lat"
- PROX_CORE_MPLS_TEST = "MPLS tag/untag"
PROX_MODE = ""
WAIT_TIME = 3
- @staticmethod
- def line_rate_to_pps(pkt_size, n_ports):
- # FIXME Don't hardcode 10Gb/s
- return n_ports * TEN_GIGABIT / BITS_PER_BYTE / (pkt_size + 20)
-
@staticmethod
def find_pci(pci, bound_pci):
# we have to substring match PCI bus address from the end
self._ip = self.mgmt_interface["ip"]
self.done = False
- self._cpu_topology = None
self._vpci_to_if_name_map = None
self.additional_file = {}
self.remote_prox_file_name = None
self.lower = None
self.upper = None
- self._test_cores = None
- self._latency_cores = None
- self._tagged_cores = None
- self._plain_cores = None
+ self.step_delta = 1
+ self.step_time = 0.5
+ self._test_type = None
@property
def sut(self):
return self.client
@property
- def cpu_topology(self):
- if not self._cpu_topology:
- stdout = io.BytesIO()
- self.ssh_helper.get_file_obj("/proc/cpuinfo", stdout)
- self._cpu_topology = SocketTopology.parse_cpuinfo(stdout.getvalue().decode('utf-8'))
- return self._cpu_topology
-
- @property
- def test_cores(self):
- if not self._test_cores:
- self._test_cores = self.get_cores(self.PROX_CORE_GEN_MODE)
- return self._test_cores
-
- @property
- def mpls_cores(self):
- if not self._tagged_cores:
- self._tagged_cores, self._plain_cores = self.get_cores_mpls(self.PROX_CORE_GEN_MODE)
- return self._tagged_cores, self._plain_cores
-
- @property
- def tagged_cores(self):
- return self.mpls_cores[0]
-
- @property
- def plain_cores(self):
- return self.mpls_cores[1]
-
- @property
- def latency_cores(self):
- if not self._latency_cores:
- self._latency_cores = self.get_cores(self.PROX_CORE_LAT_MODE)
- return self._latency_cores
+ def test_type(self):
+ if self._test_type is None:
+ self._test_type = self.setup_helper.find_in_section('global', 'name', None)
+ return self._test_type
def run_traffic(self, traffic_profile):
+ self._queue.cancel_join_thread()
self.lower = 0.0
self.upper = 100.0
if func:
return func(*args, **kwargs)
- @contextmanager
- def traffic_context(self, pkt_size, value):
- self.sut.stop_all()
- self.sut.reset_stats()
- if self.get_test_type() == self.PROX_CORE_MPLS_TEST:
- self.sut.set_pkt_size(self.tagged_cores, pkt_size)
- self.sut.set_pkt_size(self.plain_cores, pkt_size - 4)
- self.sut.set_speed(self.tagged_cores, value)
- ratio = 1.0 * (pkt_size - 4 + 20) / (pkt_size + 20)
- self.sut.set_speed(self.plain_cores, value * ratio)
- else:
- self.sut.set_pkt_size(self.test_cores, pkt_size)
- self.sut.set_speed(self.test_cores, value)
+ def _connect(self, client=None):
+ """Run and connect to prox on the remote system """
+ # De-allocating a large amount of hugepages takes some time. If a new
+ # PROX instance is started immediately after killing the previous one,
+ # it might not be able to allocate hugepages, because they are still
+ # being freed. Hence the -w switch.
+ # self.connection.execute("sudo killall -w Prox 2>/dev/null")
+ # prox_cmd = "export TERM=xterm; cd "+ self.bin_path +"; ./Prox -t
+ # -f ./handle_none-4.cfg"
+ # prox_cmd = "export TERM=xterm; export RTE_SDK=" + self._dpdk_dir +
+ # "; " \
+ # + "export RTE_TARGET=" + self._dpdk_target + ";" \
+ # + " cd " + self._prox_dir + "; make HW_DIRECT_STATS=y -j50;
+ # sudo " \
+ # + "./build/Prox " + prox_args
+ # log.debug("Starting PROX with command [%s]", prox_cmd)
+ # thread.start_new_thread(self.ssh_check_quit, (self, self._user,
+ # self._ip, prox_cmd))
+ if client is None:
+ client = ProxSocketHelper()
- self.sut.start_all()
- try:
- yield
- finally:
- self.sut.stop_all()
+ # try connecting to Prox for 60s
+ for _ in range(RETRY_SECONDS):
+ time.sleep(RETRY_INTERVAL)
+ try:
+ client.connect(self._ip, PROX_PORT)
+ except (socket.gaierror, socket.error):
+ continue
+ else:
+ return client
- def run_test(self, pkt_size, duration, value, tolerated_loss=0.0):
- # do this assert in init? unless we expect interface count to
- # change from one run to another run...
- ports = self.vnfd_helper.port_pairs.all_ports
- port_count = len(ports)
- assert port_count in {1, 2, 4}, \
- "Invalid number of ports: 1, 2 or 4 ports only supported at this time"
+ msg = "Failed to connect to prox, please check if system {} accepts connections on port {}"
+ raise Exception(msg.format(self._ip, PROX_PORT))
- with self.traffic_context(pkt_size, value):
- # Getting statistics to calculate PPS at right speed....
- tsc_hz = float(self.sut.hz())
- time.sleep(2)
- with self.sut.measure_tot_stats() as data:
- time.sleep(duration)
- # Get stats before stopping the cores. Stopping cores takes some time
- # and might skew results otherwise.
- latency = self.get_latency()
+class ProxDataHelper(object):
+
+ def __init__(self, vnfd_helper, sut, pkt_size, value, tolerated_loss):
+ super(ProxDataHelper, self).__init__()
+ self.vnfd_helper = vnfd_helper
+ self.sut = sut
+ self.pkt_size = pkt_size
+ self.value = value
+ self.tolerated_loss = tolerated_loss
+ self.port_count = len(self.vnfd_helper.port_pairs.all_ports)
+ self.tsc_hz = None
+ self.measured_stats = None
+ self.latency = None
+ self._totals_and_pps = None
+ self.result_tuple = None
- deltas = data['delta']
- rx_total, tx_total = self.sut.port_stats(range(port_count))[6:8]
- pps = value / 100.0 * self.line_rate_to_pps(pkt_size, port_count)
+ @property
+ def totals_and_pps(self):
+ if self._totals_and_pps is None:
+ rx_total, tx_total = self.sut.port_stats(range(self.port_count))[6:8]
+ pps = self.value / 100.0 * self.line_rate_to_pps()
+ self._totals_and_pps = rx_total, tx_total, pps
+ return self._totals_and_pps
+
+ @property
+ def rx_total(self):
+ return self.totals_and_pps[0]
+
+ @property
+ def tx_total(self):
+ return self.totals_and_pps[1]
+
+ @property
+ def pps(self):
+ return self.totals_and_pps[2]
+ @property
+ def samples(self):
samples = {}
- # we are currently using enumeration to map logical port num to interface
- for port_name in ports:
- port = self.vnfd_helper.port_num(port_name)
- port_rx_total, port_tx_total = self.sut.port_stats([port])[6:8]
+ for port_name, port_num in self.vnfd_helper.ports_iter():
+ port_rx_total, port_tx_total = self.sut.port_stats([port_num])[6:8]
samples[port_name] = {
"in_packets": port_rx_total,
"out_packets": port_tx_total,
}
+ return samples
- result = ProxTestDataTuple(tolerated_loss, tsc_hz, deltas.rx, deltas.tx,
- deltas.tsc, latency, rx_total, tx_total, pps)
- result.log_data()
- return result, samples
+ def __enter__(self):
+ self.check_interface_count()
+ return self
+
+ def __exit__(self, exc_type, exc_val, exc_tb):
+ self.make_tuple()
+
+ def make_tuple(self):
+ if self.result_tuple:
+ return
+
+ self.result_tuple = ProxTestDataTuple(
+ self.tolerated_loss,
+ self.tsc_hz,
+ self.measured_stats['delta'].rx,
+ self.measured_stats['delta'].tx,
+ self.measured_stats['delta'].tsc,
+ self.latency,
+ self.rx_total,
+ self.tx_total,
+ self.pps,
+ )
+ self.result_tuple.log_data()
- def get_test_type(self):
- test_type = None
- for section_name, section in self.setup_helper.prox_config_data:
- if section_name != "global":
- continue
+ @contextmanager
+ def measure_tot_stats(self):
+ with self.sut.measure_tot_stats() as self.measured_stats:
+ yield
- for key, value in section:
- if key == "name" and value == self.PROX_CORE_MPLS_TEST:
- test_type = self.PROX_CORE_MPLS_TEST
+ def check_interface_count(self):
+ # do this assert in init? unless we expect interface count to
+ # change from one run to another run...
+ assert self.port_count in {1, 2, 4}, \
+ "Invalid number of ports: 1, 2 or 4 ports only supported at this time"
+
+ def capture_tsc_hz(self):
+ self.tsc_hz = float(self.sut.hz())
+
+ def line_rate_to_pps(self):
+ # FIXME Don't hardcode 10Gb/s
+ return self.port_count * TEN_GIGABIT / BITS_PER_BYTE / (self.pkt_size + 20)
- return test_type
+
+class ProxProfileHelper(object):
+
+ __prox_profile_type__ = "Generic"
+
+ PROX_CORE_GEN_MODE = "gen"
+ PROX_CORE_LAT_MODE = "lat"
+
+ @classmethod
+ def get_cls(cls, helper_type):
+ """Return class of specified type."""
+ if not helper_type:
+ return ProxProfileHelper
+
+ for profile_helper_class in utils.itersubclasses(cls):
+ if helper_type == profile_helper_class.__prox_profile_type__:
+ return profile_helper_class
+
+ return ProxProfileHelper
+
+ @classmethod
+ def make_profile_helper(cls, resource_helper):
+ return cls.get_cls(resource_helper.test_type)(resource_helper)
+
+ def __init__(self, resource_helper):
+ super(ProxProfileHelper, self).__init__()
+ self.resource_helper = resource_helper
+ self._cpu_topology = None
+ self._test_cores = None
+ self._latency_cores = None
+
+ @property
+ def cpu_topology(self):
+ if not self._cpu_topology:
+ stdout = io.BytesIO()
+ self.ssh_helper.get_file_obj("/proc/cpuinfo", stdout)
+ self._cpu_topology = SocketTopology.parse_cpuinfo(stdout.getvalue().decode('utf-8'))
+ return self._cpu_topology
+
+ @property
+ def test_cores(self):
+ if not self._test_cores:
+ self._test_cores = self.get_cores(self.PROX_CORE_GEN_MODE)
+ return self._test_cores
+
+ @property
+ def latency_cores(self):
+ if not self._latency_cores:
+ self._latency_cores = self.get_cores(self.PROX_CORE_LAT_MODE)
+ return self._latency_cores
+
+ @contextmanager
+ def traffic_context(self, pkt_size, value):
+ self.sut.stop_all()
+ self.sut.reset_stats()
+ try:
+ self.sut.set_pkt_size(self.test_cores, pkt_size)
+ self.sut.set_speed(self.test_cores, value)
+ self.sut.start_all()
+ yield
+ finally:
+ self.sut.stop_all()
def get_cores(self, mode):
cores = []
return cores
- def get_cores_mpls(self, mode=PROX_CORE_GEN_MODE):
+ def run_test(self, pkt_size, duration, value, tolerated_loss=0.0):
+ data_helper = ProxDataHelper(self.vnfd_helper, self.sut, pkt_size, value, tolerated_loss)
+
+ with data_helper, self.traffic_context(pkt_size, value):
+ with data_helper.measure_tot_stats():
+ time.sleep(duration)
+ # Getting statistics to calculate PPS at right speed....
+ data_helper.capture_tsc_hz()
+ data_helper.latency = self.get_latency()
+
+ return data_helper.result_tuple, data_helper.samples
+
+ def get_latency(self):
+ """
+ :return: return lat_min, lat_max, lat_avg
+ :rtype: list
+ """
+ if self._latency_cores:
+ return self.sut.lat_stats(self._latency_cores)
+ return []
+
+ def terminate(self):
+ pass
+
+ def __getattr__(self, item):
+ return getattr(self.resource_helper, item)
+
+
+class ProxMplsProfileHelper(ProxProfileHelper):
+
+ __prox_profile_type__ = "MPLS tag/untag"
+
+ def __init__(self, resource_helper):
+ super(ProxMplsProfileHelper, self).__init__(resource_helper)
+ self._cores_tuple = None
+
+ @property
+ def mpls_cores(self):
+ if not self._cores_tuple:
+ self._cores_tuple = self.get_cores_mpls()
+ return self._cores_tuple
+
+ @property
+ def tagged_cores(self):
+ return self.mpls_cores[0]
+
+ @property
+ def plain_cores(self):
+ return self.mpls_cores[1]
+
+ def get_cores_mpls(self):
cores_tagged = []
cores_plain = []
- for section_name, section in self.setup_helper.prox_config_data:
+ for section_name, section in self.resource_helper.setup_helper.prox_config_data:
if not section_name.startswith("core"):
continue
- if all(key != "mode" or value != mode for key, value in section):
+ if all(key != "mode" or value != self.PROX_CORE_GEN_MODE for key, value in section):
continue
for item_key, item_value in section:
- if item_key == "name" and item_value.startswith("tag"):
+ if item_key != 'name':
+ continue
+
+ if item_value.startswith("tag"):
core_tuple = CoreSocketTuple(section_name)
core_tag = core_tuple.find_in_topology(self.cpu_topology)
cores_tagged.append(core_tag)
- elif item_key == "name" and item_value.startswith("udp"):
+ elif item_value.startswith("udp"):
core_tuple = CoreSocketTuple(section_name)
core_udp = core_tuple.find_in_topology(self.cpu_topology)
cores_plain.append(core_udp)
return cores_tagged, cores_plain
- def get_latency(self):
- """
- :return: return lat_min, lat_max, lat_avg
- :rtype: list
- """
- if self._latency_cores:
- return self.sut.lat_stats(self._latency_cores)
- return []
+ @contextmanager
+ def traffic_context(self, pkt_size, value):
+ self.sut.stop_all()
+ self.sut.reset_stats()
+ try:
+ self.sut.set_pkt_size(self.tagged_cores, pkt_size)
+ self.sut.set_pkt_size(self.plain_cores, pkt_size - 4)
+ self.sut.set_speed(self.tagged_cores, value)
+ ratio = 1.0 * (pkt_size - 4 + 20) / (pkt_size + 20)
+ self.sut.set_speed(self.plain_cores, value * ratio)
+ self.sut.start_all()
+ yield
+ finally:
+ self.sut.stop_all()
- def _connect(self, client=None):
- """Run and connect to prox on the remote system """
- # De-allocating a large amount of hugepages takes some time. If a new
- # PROX instance is started immediately after killing the previous one,
- # it might not be able to allocate hugepages, because they are still
- # being freed. Hence the -w switch.
- # self.connection.execute("sudo killall -w Prox 2>/dev/null")
- # prox_cmd = "export TERM=xterm; cd "+ self.bin_path +"; ./Prox -t
- # -f ./handle_none-4.cfg"
- # prox_cmd = "export TERM=xterm; export RTE_SDK=" + self._dpdk_dir +
- # "; " \
- # + "export RTE_TARGET=" + self._dpdk_target + ";" \
- # + " cd " + self._prox_dir + "; make HW_DIRECT_STATS=y -j50;
- # sudo " \
- # + "./build/Prox " + prox_args
- # log.debug("Starting PROX with command [%s]", prox_cmd)
- # thread.start_new_thread(self.ssh_check_quit, (self, self._user,
- # self._ip, prox_cmd))
- if client is None:
- client = ProxSocketHelper()
- # try connecting to Prox for 60s
- for _ in range(RETRY_SECONDS):
- time.sleep(RETRY_INTERVAL)
- try:
- client.connect(self._ip, PROX_PORT)
- except (socket.gaierror, socket.error):
+class ProxBngProfileHelper(ProxProfileHelper):
+
+ __prox_profile_type__ = "BNG gen"
+
+ def __init__(self, resource_helper):
+ super(ProxBngProfileHelper, self).__init__(resource_helper)
+ self._cores_tuple = None
+
+ @property
+ def bng_cores(self):
+ if not self._cores_tuple:
+ self._cores_tuple = self.get_cores_gen_bng_qos()
+ return self._cores_tuple
+
+ @property
+ def cpe_cores(self):
+ return self.bng_cores[0]
+
+ @property
+ def inet_cores(self):
+ return self.bng_cores[1]
+
+ @property
+ def arp_cores(self):
+ return self.bng_cores[2]
+
+ @property
+ def arp_task_cores(self):
+ return self.bng_cores[3]
+
+ @property
+ def all_rx_cores(self):
+ return self.latency_cores
+
+ def get_cores_gen_bng_qos(self):
+ cpe_cores = []
+ inet_cores = []
+ arp_cores = []
+ arp_tasks_core = [0]
+ for section_name, section in self.resource_helper.setup_helper.prox_config_data:
+ if not section_name.startswith("core"):
continue
- else:
- return client
- msg = "Failed to connect to prox, please check if system {} accepts connections on port {}"
- raise Exception(msg.format(self._ip, PROX_PORT))
+ if all(key != "mode" or value != self.PROX_CORE_GEN_MODE for key, value in section):
+ continue
+
+ for item_key, item_value in section:
+ if item_key != 'name':
+ continue
+
+ if item_value.startswith("cpe"):
+ core_tuple = CoreSocketTuple(section_name)
+ cpe_core = core_tuple.find_in_topology(self.cpu_topology)
+ cpe_cores.append(cpe_core)
+
+ elif item_value.startswith("inet"):
+ core_tuple = CoreSocketTuple(section_name)
+ inet_core = core_tuple.find_in_topology(self.cpu_topology)
+ inet_cores.append(inet_core)
+
+ elif item_value.startswith("arp"):
+ core_tuple = CoreSocketTuple(section_name)
+ arp_core = core_tuple.find_in_topology(self.cpu_topology)
+ arp_cores.append(arp_core)
+
+ # We check the tasks/core separately
+ if item_value.startswith("arp_task"):
+ core_tuple = CoreSocketTuple(section_name)
+ arp_task_core = core_tuple.find_in_topology(self.cpu_topology)
+ arp_tasks_core.append(arp_task_core)
+
+ return cpe_cores, inet_cores, arp_cores, arp_tasks_core
+
+ @contextmanager
+ def traffic_context(self, pkt_size, value):
+ # Tester is sending packets at the required speed already after
+ # setup_test(). Just get the current statistics, sleep the required
+ # amount of time and calculate packet loss.
+ inet_pkt_size = pkt_size
+ cpe_pkt_size = pkt_size - 24
+ ratio = 1.0 * (cpe_pkt_size + 20) / (inet_pkt_size + 20)
+
+ curr_up_speed = curr_down_speed = 0
+ max_up_speed = max_down_speed = value
+ if ratio < 1:
+ max_down_speed = value * ratio
+ else:
+ max_up_speed = value / ratio
+
+ # Initialize cores
+ self.sut.stop_all()
+ time.sleep(0.5)
+
+ # Flush any packets in the NIC RX buffers, otherwise the stats will be
+ # wrong.
+ self.sut.start(self.all_rx_cores)
+ time.sleep(0.5)
+ self.sut.stop(self.all_rx_cores)
+ time.sleep(0.5)
+ self.sut.reset_stats()
+
+ self.sut.set_pkt_size(self.inet_cores, inet_pkt_size)
+ self.sut.set_pkt_size(self.cpe_cores, cpe_pkt_size)
+
+ self.sut.reset_values(self.cpe_cores)
+ self.sut.reset_values(self.inet_cores)
+
+ # Set correct IP and UDP lengths in packet headers
+ # CPE
+ # IP length (byte 24): 26 for MAC(12), EthType(2), QinQ(8), CRC(4)
+ self.sut.set_value(self.cpe_cores, 24, cpe_pkt_size - 26, 2)
+ # UDP length (byte 46): 46 for MAC(12), EthType(2), QinQ(8), IP(20), CRC(4)
+ self.sut.set_value(self.cpe_cores, 46, cpe_pkt_size - 46, 2)
+
+ # INET
+ # IP length (byte 20): 22 for MAC(12), EthType(2), MPLS(4), CRC(4)
+ self.sut.set_value(self.inet_cores, 20, inet_pkt_size - 22, 2)
+ # IP length (byte 48): 50 for MAC(12), EthType(2), MPLS(4), IP(20), GRE(8), CRC(4)
+ self.sut.set_value(self.inet_cores, 48, inet_pkt_size - 50, 2)
+ # UDP length (byte 70): 70 for MAC(12), EthType(2), MPLS(4), IP(20), GRE(8), IP(20), CRC(4)
+ self.sut.set_value(self.inet_cores, 70, inet_pkt_size - 70, 2)
+
+ # Sending ARP to initialize tables - need a few seconds of generation
+ # to make sure all CPEs are initialized
+ LOG.info("Initializing SUT: sending ARP packets")
+ self.sut.set_speed(self.arp_cores, 1, self.arp_task_cores)
+ self.sut.set_speed(self.inet_cores, curr_up_speed)
+ self.sut.set_speed(self.cpe_cores, curr_down_speed)
+ self.sut.start(self.arp_cores)
+ time.sleep(4)
+
+ # Ramp up the transmission speed. First go to the common speed, then
+ # increase steps for the faster one.
+ self.sut.start(self.cpe_cores + self.inet_cores + self.latency_cores)
+
+ LOG.info("Ramping up speed to %s up, %s down", max_up_speed, max_down_speed)
+
+ while (curr_up_speed < max_up_speed) or (curr_down_speed < max_down_speed):
+ # The min(..., ...) takes care of 1) floating point rounding errors
+ # that could make curr_*_speed to be slightly greater than
+ # max_*_speed and 2) max_*_speed not being an exact multiple of
+ # self._step_delta.
+ if curr_up_speed < max_up_speed:
+ curr_up_speed = min(curr_up_speed + self.step_delta, max_up_speed)
+ if curr_down_speed < max_down_speed:
+ curr_down_speed = min(curr_down_speed + self.step_delta, max_down_speed)
+
+ self.sut.set_speed(self.inet_cores, curr_up_speed)
+ self.sut.set_speed(self.cpe_cores, curr_down_speed)
+ time.sleep(self.step_time)
+
+ LOG.info("Target speeds reached. Starting real test.")
+
+ yield
+
+ self.sut.stop(self.arp_cores + self.cpe_cores + self.inet_cores)
+ LOG.info("Test ended. Flushing NIC buffers")
+ self.sut.start(self.all_rx_cores)
+ time.sleep(3)
+ self.sut.stop(self.all_rx_cores)
+
+ def run_test(self, pkt_size, duration, value, tolerated_loss=0.0):
+ data_helper = ProxDataHelper(self.vnfd_helper, self.sut, pkt_size, value, tolerated_loss)
+
+ with data_helper, self.traffic_context(pkt_size, value):
+ with data_helper.measure_tot_stats():
+ time.sleep(duration)
+ # Getting statistics to calculate PPS at right speed....
+ data_helper.capture_tsc_hz()
+ data_helper.latency = self.get_latency()
+
+ return data_helper.result_tuple, data_helper.samples
+
+
+class ProxVpeProfileHelper(ProxProfileHelper):
+
+ __prox_profile_type__ = "vPE gen"
+
+ def __init__(self, resource_helper):
+ super(ProxVpeProfileHelper, self).__init__(resource_helper)
+ self._cores_tuple = None
+ self._ports_tuple = None
+
+ @property
+ def vpe_cores(self):
+ if not self._cores_tuple:
+ self._cores_tuple = self.get_cores_gen_vpe()
+ return self._cores_tuple
+
+ @property
+ def cpe_cores(self):
+ return self.vpe_cores[0]
+
+ @property
+ def inet_cores(self):
+ return self.vpe_cores[1]
+
+ @property
+ def all_rx_cores(self):
+ return self.latency_cores
+
+ @property
+ def vpe_ports(self):
+ if not self._ports_tuple:
+ self._ports_tuple = self.get_ports_gen_vpe()
+ return self._ports_tuple
+
+ @property
+ def cpe_ports(self):
+ return self.vpe_ports[0]
+
+ @property
+ def inet_ports(self):
+ return self.vpe_ports[1]
+
+ def get_cores_gen_vpe(self):
+ cpe_cores = []
+ inet_cores = []
+ for section_name, section in self.resource_helper.setup_helper.prox_config_data:
+ if not section_name.startswith("core"):
+ continue
+
+ if all(key != "mode" or value != self.PROX_CORE_GEN_MODE for key, value in section):
+ continue
+
+ for item_key, item_value in section:
+ if item_key != 'name':
+ continue
+
+ if item_value.startswith("cpe"):
+ core_tuple = CoreSocketTuple(section_name)
+ core_tag = core_tuple.find_in_topology(self.cpu_topology)
+ cpe_cores.append(core_tag)
+
+ elif item_value.startswith("inet"):
+ core_tuple = CoreSocketTuple(section_name)
+ inet_core = core_tuple.find_in_topology(self.cpu_topology)
+ inet_cores.append(inet_core)
+
+ return cpe_cores, inet_cores
+
+ def get_ports_gen_vpe(self):
+ cpe_ports = []
+ inet_ports = []
+
+ for section_name, section in self.resource_helper.setup_helper.prox_config_data:
+ if not section_name.startswith("port"):
+ continue
+ tx_port_iter = re.finditer(r'\d+', section_name)
+ tx_port_no = int(next(tx_port_iter).group(0))
+
+ for item_key, item_value in section:
+ if item_key != 'name':
+ continue
+
+ if item_value.startswith("cpe"):
+ cpe_ports.append(tx_port_no)
+
+ elif item_value.startswith("inet"):
+ inet_ports.append(tx_port_no)
+
+ return cpe_ports, inet_ports
+
+ @contextmanager
+ def traffic_context(self, pkt_size, value):
+ # Calculate the target upload and download speed. The upload and
+ # download packets have different packet sizes, so in order to get
+ # equal bandwidth usage, the ratio of the speeds has to match the ratio
+ # of the packet sizes.
+ cpe_pkt_size = pkt_size
+ inet_pkt_size = pkt_size - 4
+ ratio = 1.0 * (cpe_pkt_size + 20) / (inet_pkt_size + 20)
+
+ curr_up_speed = curr_down_speed = 0
+ max_up_speed = max_down_speed = value
+ if ratio < 1:
+ max_down_speed = value * ratio
+ else:
+ max_up_speed = value / ratio
+
+ # Adjust speed when multiple cores per port are used to generate traffic
+ if len(self.cpe_ports) != len(self.cpe_cores):
+ max_down_speed *= 1.0 * len(self.cpe_ports) / len(self.cpe_cores)
+ if len(self.inet_ports) != len(self.inet_cores):
+ max_up_speed *= 1.0 * len(self.inet_ports) / len(self.inet_cores)
+
+ # Initialize cores
+ self.sut.stop_all()
+ time.sleep(2)
+
+ # Flush any packets in the NIC RX buffers, otherwise the stats will be
+ # wrong.
+ self.sut.start(self.all_rx_cores)
+ time.sleep(2)
+ self.sut.stop(self.all_rx_cores)
+ time.sleep(2)
+ self.sut.reset_stats()
+
+ self.sut.set_pkt_size(self.inet_cores, inet_pkt_size)
+ self.sut.set_pkt_size(self.cpe_cores, cpe_pkt_size)
+
+ self.sut.reset_values(self.cpe_cores)
+ self.sut.reset_values(self.inet_cores)
+
+ # Set correct IP and UDP lengths in packet headers
+ # CPE: IP length (byte 24): 26 for MAC(12), EthType(2), QinQ(8), CRC(4)
+ self.sut.set_value(self.cpe_cores, 24, cpe_pkt_size - 26, 2)
+ # UDP length (byte 46): 46 for MAC(12), EthType(2), QinQ(8), IP(20), CRC(4)
+ self.sut.set_value(self.cpe_cores, 46, cpe_pkt_size - 46, 2)
+
+ # INET: IP length (byte 20): 22 for MAC(12), EthType(2), MPLS(4), CRC(4)
+ self.sut.set_value(self.inet_cores, 20, inet_pkt_size - 22, 2)
+ # UDP length (byte 42): 42 for MAC(12), EthType(2), MPLS(4), IP(20), CRC(4)
+ self.sut.set_value(self.inet_cores, 42, inet_pkt_size - 42, 2)
+
+ self.sut.set_speed(self.inet_cores, curr_up_speed)
+ self.sut.set_speed(self.cpe_cores, curr_down_speed)
+
+ # Ramp up the transmission speed. First go to the common speed, then
+ # increase steps for the faster one.
+ self.sut.start(self.cpe_cores + self.inet_cores + self.all_rx_cores)
+
+ LOG.info("Ramping up speed to %s up, %s down", max_up_speed, max_down_speed)
+
+ while (curr_up_speed < max_up_speed) or (curr_down_speed < max_down_speed):
+ # The min(..., ...) takes care of 1) floating point rounding errors
+ # that could make curr_*_speed to be slightly greater than
+ # max_*_speed and 2) max_*_speed not being an exact multiple of
+ # self._step_delta.
+ if curr_up_speed < max_up_speed:
+ curr_up_speed = min(curr_up_speed + self.step_delta, max_up_speed)
+ if curr_down_speed < max_down_speed:
+ curr_down_speed = min(curr_down_speed + self.step_delta, max_down_speed)
+
+ self.sut.set_speed(self.inet_cores, curr_up_speed)
+ self.sut.set_speed(self.cpe_cores, curr_down_speed)
+ time.sleep(self.step_time)
+
+ LOG.info("Target speeds reached. Starting real test.")
+
+ yield
+
+ self.sut.stop(self.cpe_cores + self.inet_cores)
+ LOG.info("Test ended. Flushing NIC buffers")
+ self.sut.start(self.all_rx_cores)
+ time.sleep(3)
+ self.sut.stop(self.all_rx_cores)
+
+ def run_test(self, pkt_size, duration, value, tolerated_loss=0.0):
+ data_helper = ProxDataHelper(self.vnfd_helper, self.sut, pkt_size, value, tolerated_loss)
+
+ with data_helper, self.traffic_context(pkt_size, value):
+ with data_helper.measure_tot_stats():
+ time.sleep(duration)
+ # Getting statistics to calculate PPS at right speed....
+ data_helper.capture_tsc_hz()
+ data_helper.latency = self.get_latency()
+
+ return data_helper.result_tuple, data_helper.samples
+
+
+class ProxlwAFTRProfileHelper(ProxProfileHelper):
+
+ __prox_profile_type__ = "lwAFTR gen"
+
+ def __init__(self, resource_helper):
+ super(ProxlwAFTRProfileHelper, self).__init__(resource_helper)
+ self._cores_tuple = None
+ self._ports_tuple = None
+ self.step_delta = 5
+ self.step_time = 0.5
+
+ @property
+ def _lwaftr_cores(self):
+ if not self._cores_tuple:
+ self._cores_tuple = self._get_cores_gen_lwaftr()
+ return self._cores_tuple
+
+ @property
+ def tun_cores(self):
+ return self._lwaftr_cores[0]
+
+ @property
+ def inet_cores(self):
+ return self._lwaftr_cores[1]
+
+ @property
+ def _lwaftr_ports(self):
+ if not self._ports_tuple:
+ self._ports_tuple = self._get_ports_gen_lw_aftr()
+ return self._ports_tuple
+
+ @property
+ def tun_ports(self):
+ return self._lwaftr_ports[0]
+
+ @property
+ def inet_ports(self):
+ return self._lwaftr_ports[1]
+
+ @property
+ def all_rx_cores(self):
+ return self.latency_cores
+
+ def _get_cores_gen_lwaftr(self):
+ tun_cores = []
+ inet_cores = []
+ for section_name, section in self.resource_helper.setup_helper.prox_config_data:
+ if not section_name.startswith("core"):
+ continue
+
+ if all(key != "mode" or value != self.PROX_CORE_GEN_MODE for key, value in section):
+ continue
+
+ core_tuple = CoreSocketTuple(section_name)
+ core_tag = core_tuple.find_in_topology(self.cpu_topology)
+ for item_value in (v for k, v in section if k == 'name'):
+ if item_value.startswith('tun'):
+ tun_cores.append(core_tag)
+ elif item_value.startswith('inet'):
+ inet_cores.append(core_tag)
+
+ return tun_cores, inet_cores
+
+ def _get_ports_gen_lw_aftr(self):
+ tun_ports = []
+ inet_ports = []
+
+ re_port = re.compile('port (\d+)')
+ for section_name, section in self.resource_helper.setup_helper.prox_config_data:
+ match = re_port.search(section_name)
+ if not match:
+ continue
+
+ tx_port_no = int(match.group(1))
+ for item_value in (v for k, v in section if k == 'name'):
+ if item_value.startswith('lwB4'):
+ tun_ports.append(tx_port_no)
+ elif item_value.startswith('inet'):
+ inet_ports.append(tx_port_no)
+
+ return tun_ports, inet_ports
+
+ @staticmethod
+ def _resize(len1, len2):
+ if len1 == len2:
+ return 1.0
+ return 1.0 * len1 / len2
+
+ @contextmanager
+ def traffic_context(self, pkt_size, value):
+ # Tester is sending packets at the required speed already after
+ # setup_test(). Just get the current statistics, sleep the required
+ # amount of time and calculate packet loss.
+ tun_pkt_size = pkt_size
+ inet_pkt_size = pkt_size - 40
+ ratio = 1.0 * (tun_pkt_size + 20) / (inet_pkt_size + 20)
+
+ curr_up_speed = curr_down_speed = 0
+ max_up_speed = max_down_speed = value
+
+ max_up_speed = value / ratio
+
+ # Adjust speed when multiple cores per port are used to generate traffic
+ if len(self.tun_ports) != len(self.tun_cores):
+ max_down_speed *= self._resize(len(self.tun_ports), len(self.tun_cores))
+ if len(self.inet_ports) != len(self.inet_cores):
+ max_up_speed *= self._resize(len(self.inet_ports), len(self.inet_cores))
+
+ # Initialize cores
+ self.sut.stop_all()
+ time.sleep(0.5)
+
+ # Flush any packets in the NIC RX buffers, otherwise the stats will be
+ # wrong.
+ self.sut.start(self.all_rx_cores)
+ time.sleep(0.5)
+ self.sut.stop(self.all_rx_cores)
+ time.sleep(0.5)
+ self.sut.reset_stats()
+
+ self.sut.set_pkt_size(self.inet_cores, inet_pkt_size)
+ self.sut.set_pkt_size(self.tun_cores, tun_pkt_size)
+
+ self.sut.reset_values(self.tun_cores)
+ self.sut.reset_values(self.inet_cores)
+
+ # Set correct IP and UDP lengths in packet headers
+ # tun
+ # IPv6 length (byte 18): 58 for MAC(12), EthType(2), IPv6(40) , CRC(4)
+ self.sut.set_value(self.tun_cores, 18, tun_pkt_size - 58, 2)
+ # IP length (byte 56): 58 for MAC(12), EthType(2), CRC(4)
+ self.sut.set_value(self.tun_cores, 56, tun_pkt_size - 58, 2)
+ # UDP length (byte 78): 78 for MAC(12), EthType(2), IP(20), UDP(8), CRC(4)
+ self.sut.set_value(self.tun_cores, 78, tun_pkt_size - 78, 2)
+
+ # INET
+ # IP length (byte 20): 22 for MAC(12), EthType(2), CRC(4)
+ self.sut.set_value(self.inet_cores, 16, inet_pkt_size - 18, 2)
+ # UDP length (byte 42): 42 for MAC(12), EthType(2), IP(20), UPD(8), CRC(4)
+ self.sut.set_value(self.inet_cores, 38, inet_pkt_size - 38, 2)
+
+ LOG.info("Initializing SUT: sending lwAFTR packets")
+ self.sut.set_speed(self.inet_cores, curr_up_speed)
+ self.sut.set_speed(self.tun_cores, curr_down_speed)
+ time.sleep(4)
+
+ # Ramp up the transmission speed. First go to the common speed, then
+ # increase steps for the faster one.
+ self.sut.start(self.tun_cores + self.inet_cores + self.latency_cores)
+
+ LOG.info("Ramping up speed to %s up, %s down", max_up_speed, max_down_speed)
+
+ while (curr_up_speed < max_up_speed) or (curr_down_speed < max_down_speed):
+ # The min(..., ...) takes care of 1) floating point rounding errors
+ # that could make curr_*_speed to be slightly greater than
+ # max_*_speed and 2) max_*_speed not being an exact multiple of
+ # self._step_delta.
+ if curr_up_speed < max_up_speed:
+ curr_up_speed = min(curr_up_speed + self.step_delta, max_up_speed)
+ if curr_down_speed < max_down_speed:
+ curr_down_speed = min(curr_down_speed + self.step_delta, max_down_speed)
+
+ self.sut.set_speed(self.inet_cores, curr_up_speed)
+ self.sut.set_speed(self.tun_cores, curr_down_speed)
+ time.sleep(self.step_time)
+
+ LOG.info("Target speeds reached. Starting real test.")
+
+ yield
+
+ self.sut.stop(self.tun_cores + self.inet_cores)
+ LOG.info("Test ended. Flushing NIC buffers")
+ self.sut.start(self.all_rx_cores)
+ time.sleep(3)
+ self.sut.stop(self.all_rx_cores)
+
+ def run_test(self, pkt_size, duration, value, tolerated_loss=0.0):
+ data_helper = ProxDataHelper(self.vnfd_helper, self.sut, pkt_size, value, tolerated_loss)
+
+ with data_helper, self.traffic_context(pkt_size, value):
+ with data_helper.measure_tot_stats():
+ time.sleep(duration)
+ # Getting statistics to calculate PPS at right speed....
+ data_helper.capture_tsc_hz()
+ data_helper.latency = self.get_latency()
+
+ return data_helper.result_tuple, data_helper.samples
Code Review / yardstick.git / blobdiff