From f7e477133cfc87134bb860aaaf39d932bbae1907 Mon Sep 17 00:00:00 2001 From: DanielMartinBuckley Date: Wed, 7 Mar 2018 18:09:12 +0000 Subject: Do NOT hardcode interface speed for PROX tests JIRA: YARDSTICK-1035 Do not hardcode NIC/interface speed in PROX test. Test assumes NIC used is 10Gbps. This is incorrect. It could support 1Gbps, 10Gbps, 25Gbps, 40Gbps or something else. This is used to calculate pps (Packets Per Second) In Baremetal the NIC speed could be extracted. however when run on a virtual machine this is not possible. Solution: Add in options section of test file. eg. Options: interface_speed_gbps: 10 Where 10 refers to a 10Gbps. In a setup where multiple interfaces are used. This will refer to the speed of the slowest connection. Change-Id: I89ab16479a2cdd1d79e52cbcc5a972762c60d057 Signed-off-by: Daniel Martin Buckley --- .../vnf_generic/vnf/prox_helpers.py | 38 +++++++++++++--------- 1 file changed, 23 insertions(+), 15 deletions(-) (limited to 'yardstick/network_services/vnf_generic/vnf/prox_helpers.py') diff --git a/yardstick/network_services/vnf_generic/vnf/prox_helpers.py b/yardstick/network_services/vnf_generic/vnf/prox_helpers.py index 29f9c7bba..e42431f94 100644 --- a/yardstick/network_services/vnf_generic/vnf/prox_helpers.py +++ b/yardstick/network_services/vnf_generic/vnf/prox_helpers.py @@ -35,6 +35,7 @@ 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 +from yardstick.network_services import constants PROX_PORT = 8474 @@ -44,7 +45,6 @@ SECTION_CONTENTS = 1 LOG = logging.getLogger(__name__) LOG.setLevel(logging.DEBUG) -TEN_GIGABIT = 1e10 BITS_PER_BYTE = 8 RETRY_SECONDS = 60 RETRY_INTERVAL = 1 @@ -466,13 +466,14 @@ class ProxSocketHelper(object): core_data['current'] = core_data[key1] + core_data[key2] self.set_speed(core_data['cores'], core_data['current']) - def set_pps(self, cores, pps, pkt_size): + def set_pps(self, cores, pps, pkt_size, + line_speed=(constants.ONE_GIGABIT_IN_BITS * constants.NIC_GBPS_DEFAULT)): """ set packets per second for specific cores on the remote instance """ msg = "Set packets per sec for core(s) %s to %g%% of line rate (packet size: %d)" LOG.debug(msg, cores, pps, pkt_size) # speed in percent of line-rate - speed = float(pps) * (pkt_size + 20) / TEN_GIGABIT / BITS_PER_BYTE + speed = float(pps) * (pkt_size + 20) / line_speed / BITS_PER_BYTE self._run_template_over_cores("speed {} 0 {}\n", cores, speed) def lat_stats(self, cores, task=0): @@ -967,12 +968,13 @@ class ProxResourceHelper(ClientResourceHelper): class ProxDataHelper(object): - def __init__(self, vnfd_helper, sut, pkt_size, value, tolerated_loss): + def __init__(self, vnfd_helper, sut, pkt_size, value, tolerated_loss, line_speed): super(ProxDataHelper, self).__init__() self.vnfd_helper = vnfd_helper self.sut = sut self.pkt_size = pkt_size self.value = value + self.line_speed = line_speed self.tolerated_loss = tolerated_loss self.port_count = len(self.vnfd_helper.port_pairs.all_ports) self.tsc_hz = None @@ -1058,9 +1060,7 @@ class ProxDataHelper(object): self.tsc_hz = float(self.sut.hz()) def line_rate_to_pps(self): - # NOTE: to fix, don't hardcode 10Gb/s - return self.port_count * TEN_GIGABIT / BITS_PER_BYTE / (self.pkt_size + 20) - + return self.port_count * self.line_speed / BITS_PER_BYTE / (self.pkt_size + 20) class ProxProfileHelper(object): @@ -1139,8 +1139,10 @@ class ProxProfileHelper(object): return 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) + def run_test(self, pkt_size, duration, value, tolerated_loss=0.0, + line_speed=(constants.ONE_GIGABIT_IN_BITS * constants.NIC_GBPS_DEFAULT)): + data_helper = ProxDataHelper(self.vnfd_helper, self.sut, pkt_size, + value, tolerated_loss, line_speed) with data_helper, self.traffic_context(pkt_size, value): with data_helper.measure_tot_stats(): @@ -1396,8 +1398,10 @@ class ProxBngProfileHelper(ProxProfileHelper): 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) + def run_test(self, pkt_size, duration, value, tolerated_loss=0.0, + line_speed=(constants.ONE_GIGABIT_IN_BITS * constants.NIC_GBPS_DEFAULT)): + data_helper = ProxDataHelper(self.vnfd_helper, self.sut, pkt_size, + value, tolerated_loss, line_speed) with data_helper, self.traffic_context(pkt_size, value): with data_helper.measure_tot_stats(): @@ -1583,8 +1587,10 @@ class ProxVpeProfileHelper(ProxProfileHelper): 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) + def run_test(self, pkt_size, duration, value, tolerated_loss=0.0, + line_speed=(constants.ONE_GIGABIT_IN_BITS * constants.NIC_GBPS_DEFAULT)): + data_helper = ProxDataHelper(self.vnfd_helper, self.sut, pkt_size, + value, tolerated_loss, line_speed) with data_helper, self.traffic_context(pkt_size, value): with data_helper.measure_tot_stats(): @@ -1772,8 +1778,10 @@ class ProxlwAFTRProfileHelper(ProxProfileHelper): 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) + def run_test(self, pkt_size, duration, value, tolerated_loss=0.0, + line_speed=(constants.ONE_GIGABIT_IN_BITS * constants.NIC_GBPS_DEFAULT)): + data_helper = ProxDataHelper(self.vnfd_helper, self.sut, pkt_size, + value, tolerated_loss, line_speed) with data_helper, self.traffic_context(pkt_size, value): with data_helper.measure_tot_stats(): -- cgit 1.2.3-korg