Add VPP traffic profiles for TRex traffic generator

Create traffic streams dynamically for VPP test, based on traffic profiles

JIRA: YARDSTICK-1485

Change-Id: I9fe8575ef6527823b86214c3d7752486c79dee73
Signed-off-by: treyad <treyad@viosoft.com>

4 files changed, 1212 insertions, 0 deletions

diff --git a/samples/vnf_samples/traffic_profiles/ipv4_throughput_latency_vpp.yaml b/samples/vnf_samples/traffic_profiles/ipv4_throughput_latency_vpp.yaml
new file mode 100644
index 000000000..1add9bfb4
--- /dev/null
+++ b/samples/vnf_samples/traffic_profiles/ipv4_throughput_latency_vpp.yaml
@@ -0,0 +1,71 @@
+# Copyright (c) 2019 Viosoft Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+schema: "nsb:traffic_profile:0.1"
+
+# This file is a template, it will be filled with values from tc.yaml before passing to the traffic generator
+
+name:            rfc2544
+description:     Traffic profile to run RFC2544 latency
+traffic_profile:
+  traffic_type: VppRFC2544Profile # defines traffic behavior - constant or look for highest possible throughput
+  enable_latency: true
+  test_precision: 0.1
+  duration: 30
+  lower_bound: 1.0
+  upper_bound: 100.0
+  step_interval: 0.5
+  frame_rate: 100  # pc of linerate
+
+uplink_0:
+      ipv4:
+        id: 1
+        outer_l2:
+            framesize:
+                64B: "{{get(imix, 'imix.uplink.64B', '0') }}"
+                128B: "{{get(imix, 'imix.uplink.128B', '0') }}"
+                256B: "{{get(imix, 'imix.uplink.256B', '0') }}"
+                373B: "{{get(imix, 'imix.uplink.373B', '0') }}"
+                512B: "{{get(imix, 'imix.uplink.512B', '0') }}"
+                570B: "{{get(imix, 'imix.uplink.570B', '0') }}"
+                1024B: "{{get(imix, 'imix.uplink.1024B', '0') }}"
+                1280B: "{{get(imix, 'imix.uplink.1280B', '0') }}"
+                1400B: "{{get(imix, 'imix.uplink.1400B', '0') }}"
+                1500B: "{{get(imix, 'imix.uplink.1500B', '0') }}"
+                1518B: "{{get(imix, 'imix.uplink.1518B', '0') }}"
+        outer_l3v4:
+            proto: 61
+            srcip4: "{{get(flow, 'flow.src_ip_0', '10.0.0.0-10.0.0.100') }}"
+            dstip4: "{{get(flow, 'flow.dst_ip_0', '20.0.0.0-20.0.0.100') }}"
+            count: "{{get(flow, 'flow.count', '1') }}"
+downlink_0:
+      ipv4:
+        id: 2
+        outer_l2:
+            framesize:
+                64B: "{{ get(imix, 'imix.downlink.64B', '0') }}"
+                128B: "{{ get(imix, 'imix.downlink.128B', '0') }}"
+                256B: "{{ get(imix, 'imix.downlink.256B', '0') }}"
+                373b: "{{ get(imix, 'imix.downlink.373B', '0') }}"
+                512B: "{{ get(imix, 'imix.downlink.512B', '0') }}"
+                570B: "{{get(imix, 'imix.downlink.570B', '0') }}"
+                1024B: "{{get(imix, 'imix.downlink.1024B', '0') }}"
+                1280B: "{{get(imix, 'imix.downlink.1280B', '0') }}"
+                1400B: "{{get(imix, 'imix.downlink.1400B', '0') }}"
+                1500B: "{{get(imix, 'imix.downlink.1500B', '0') }}"
+                1518B: "{{get(imix, 'imix.downlink.1518B', '0') }}"
+        outer_l3v4:
+            proto: 61
+            srcip4: "{{get(flow, 'flow.dst_ip_0', '20.0.0.0-20.0.0.100') }}"
+            dstip4: "{{get(flow, 'flow.src_ip_0', '10.0.0.0-10.0.0.100') }}"
+            count: "{{get(flow, 'flow.count', '1') }}"
\ No newline at end of file
diff --git a/yardstick/network_services/traffic_profile/__init__.py b/yardstick/network_services/traffic_profile/__init__.py
index 72a61b6b4..c5d8eff0b 100644
--- a/yardstick/network_services/traffic_profile/__init__.py
+++ b/yardstick/network_services/traffic_profile/__init__.py
@@ -30,6 +30,7 @@ def register_modules():
         'yardstick.network_services.traffic_profile.rfc2544',
         'yardstick.network_services.traffic_profile.pktgen',
         'yardstick.network_services.traffic_profile.landslide_profile',
+        'yardstick.network_services.traffic_profile.vpp_rfc2544',
     ]
 
     for module in modules:
diff --git a/yardstick/network_services/traffic_profile/vpp_rfc2544.py b/yardstick/network_services/traffic_profile/vpp_rfc2544.py
new file mode 100644
index 000000000..0f8185f90
--- /dev/null
+++ b/yardstick/network_services/traffic_profile/vpp_rfc2544.py
@@ -0,0 +1,321 @@
+# Copyright (c) 2019 Viosoft Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import datetime
+import logging
+from random import choice
+from string import ascii_letters
+
+from ipaddress import ip_address
+from trex_stl_lib import api as Pkt
+from trex_stl_lib import trex_stl_client
+from trex_stl_lib import trex_stl_packet_builder_scapy
+from trex_stl_lib import trex_stl_streams
+
+from yardstick.common import constants
+from yardstick.network_services.traffic_profile.rfc2544 import RFC2544Profile, \
+    PortPgIDMap
+from yardstick.network_services.traffic_profile.trex_traffic_profile import IP, \
+    DST
+
+LOGGING = logging.getLogger(__name__)
+
+
+class VppRFC2544Profile(RFC2544Profile):
+
+    def __init__(self, traffic_generator):
+        super(VppRFC2544Profile, self).__init__(traffic_generator)
+
+        self.duration = self.config.duration
+        self.precision = self.config.test_precision
+        self.lower_bound = self.config.lower_bound
+        self.upper_bound = self.config.upper_bound
+        self.step_interval = self.config.step_interval
+        self.enable_latency = self.config.enable_latency
+
+        self.pkt_size = None
+        self.flow = None
+
+        self.tolerance_low = 0
+        self.tolerance_high = 0
+
+        self.queue = None
+        self.port_pg_id = None
+
+        self.current_lower = self.lower_bound
+        self.current_upper = self.upper_bound
+
+        self.ports = []
+        self.profiles = {}
+
+    @property
+    def delta(self):
+        return self.current_upper - self.current_lower
+
+    @property
+    def mid_point(self):
+        return (self.current_lower + self.current_upper) / 2
+
+    @staticmethod
+    def calculate_frame_size(imix):
+        if not imix:
+            return 64, 100
+
+        imix_count = {size.upper().replace('B', ''): int(weight)
+                      for size, weight in imix.items()}
+        imix_sum = sum(imix_count.values())
+        if imix_sum <= 0:
+            return 64, 100
+        packets_total = sum([int(size) * weight
+                             for size, weight in imix_count.items()])
+        return packets_total / imix_sum, imix_sum
+
+    @staticmethod
+    def _gen_payload(length):
+        payload = ""
+        for _ in range(length):
+            payload += choice(ascii_letters)
+
+        return payload
+
+    def bounds_iterator(self, logger=None):
+        self.current_lower = self.lower_bound
+        self.current_upper = self.upper_bound
+
+        test_value = self.current_upper
+        while abs(self.delta) >= self.precision:
+            if logger:
+                logger.debug("New interval [%s, %s), precision: %d",
+                             self.current_lower,
+                             self.current_upper, self.step_interval)
+                logger.info("Testing with value %s", test_value)
+
+            yield test_value
+            test_value = self.mid_point
+
+    def register_generator(self, generator):
+        super(VppRFC2544Profile, self).register_generator(generator)
+        self.init_traffic_params(generator)
+
+    def init_queue(self, queue):
+        self.queue = queue
+        self.queue.cancel_join_thread()
+
+    def init_traffic_params(self, generator):
+        if generator.rfc2544_helper.latency:
+            self.enable_latency = True
+        self.tolerance_low = generator.rfc2544_helper.tolerance_low
+        self.tolerance_high = generator.rfc2544_helper.tolerance_high
+        self.max_rate = generator.scenario_helper.all_options.get('vpp_config',
+                                                                  {}).get(
+            'max_rate', self.rate)
+
+    def create_profile(self, profile_data, current_port):
+        streams = []
+        for packet_name in profile_data:
+            imix = (profile_data[packet_name].
+                    get('outer_l2', {}).get('framesize'))
+            self.pkt_size, imix_sum = self.calculate_frame_size(imix)
+            self._create_vm(profile_data[packet_name])
+            if self.max_rate > 100:
+                imix_data = self._create_imix_data(imix,
+                                                   constants.DISTRIBUTION_IN_PACKETS)
+            else:
+                imix_data = self._create_imix_data(imix)
+            _streams = self._create_single_stream(current_port, imix_data,
+                                                  imix_sum)
+            streams.extend(_streams)
+        return trex_stl_streams.STLProfile(streams)
+
+    def _set_outer_l3v4_fields(self, outer_l3v4):
+        """ setup outer l3v4 fields from traffic profile """
+        ip_params = {}
+        if 'proto' in outer_l3v4:
+            ip_params['proto'] = outer_l3v4['proto']
+        self._set_proto_fields(IP, **ip_params)
+
+        self.flow = int(outer_l3v4['count'])
+        src_start_ip, _ = outer_l3v4['srcip4'].split('-')
+        dst_start_ip, _ = outer_l3v4['dstip4'].split('-')
+
+        self.ip_packet = Pkt.IP(src=src_start_ip,
+                                dst=dst_start_ip,
+                                proto=outer_l3v4['proto'])
+        if self.flow > 1:
+            dst_start_int = int(ip_address(str(dst_start_ip)))
+            dst_end_ip_new = ip_address(dst_start_int + self.flow - 1)
+            # self._set_proto_addr(IP, SRC, outer_l3v4['srcip4'], outer_l3v4['count'])
+            self._set_proto_addr(IP, DST,
+                                 "{start_ip}-{end_ip}".format(
+                                     start_ip=dst_start_ip,
+                                     end_ip=str(dst_end_ip_new)),
+                                 self.flow)
+
+    def _create_single_packet(self, size=64):
+        ether_packet = self.ether_packet
+        ip_packet = self.ip6_packet if self.ip6_packet else self.ip_packet
+        base_pkt = ether_packet / ip_packet
+        payload_len = max(0, size - len(base_pkt) - 4)
+        packet = trex_stl_packet_builder_scapy.STLPktBuilder(
+            pkt=base_pkt / self._gen_payload(payload_len),
+            vm=self.trex_vm)
+        packet_lat = trex_stl_packet_builder_scapy.STLPktBuilder(
+            pkt=base_pkt / self._gen_payload(payload_len))
+
+        return packet, packet_lat
+
+    def _create_single_stream(self, current_port, imix_data, imix_sum,
+                              isg=0.0):
+        streams = []
+        for size, weight in ((int(size), float(weight)) for (size, weight)
+                             in imix_data.items() if float(weight) > 0):
+            if current_port == 1:
+                isg += 10.0
+            if self.max_rate > 100:
+                mode = trex_stl_streams.STLTXCont(
+                    pps=int(weight * imix_sum / 100))
+                mode_lat = mode
+            else:
+                mode = trex_stl_streams.STLTXCont(
+                    percentage=weight * self.max_rate / 100)
+                mode_lat = trex_stl_streams.STLTXCont(pps=9000)
+
+            packet, packet_lat = self._create_single_packet(size)
+            streams.append(
+                trex_stl_client.STLStream(isg=isg, packet=packet, mode=mode))
+            if self.enable_latency:
+                pg_id = self.port_pg_id.increase_pg_id(current_port)
+                stl_flow = trex_stl_streams.STLFlowLatencyStats(pg_id=pg_id)
+                stream_lat = trex_stl_client.STLStream(isg=isg,
+                                                       packet=packet_lat,
+                                                       mode=mode_lat,
+                                                       flow_stats=stl_flow)
+                streams.append(stream_lat)
+        return streams
+
+    def execute_traffic(self, traffic_generator=None):
+        if traffic_generator is not None and self.generator is None:
+            self.generator = traffic_generator
+
+        self.ports = []
+        self.profiles = {}
+        self.port_pg_id = PortPgIDMap()
+        for vld_id, intfs in sorted(self.generator.networks.items()):
+            profile_data = self.params.get(vld_id)
+            if not profile_data:
+                continue
+            if (vld_id.startswith(self.DOWNLINK) and
+                    self.generator.rfc2544_helper.correlated_traffic):
+                continue
+            for intf in intfs:
+                current_port = int(self.generator.port_num(intf))
+                self.port_pg_id.add_port(current_port)
+                profile = self.create_profile(profile_data, current_port)
+                self.generator.client.add_streams(profile,
+                                                  ports=[current_port])
+
+                self.ports.append(current_port)
+                self.profiles[current_port] = profile
+
+        timeout = self.generator.scenario_helper.scenario_cfg["runner"][
+            "duration"]
+        test_data = {
+            "test_duration": timeout,
+            "test_precision": self.precision,
+            "tolerated_loss": self.tolerance_high,
+            "duration": self.duration,
+            "packet_size": self.pkt_size,
+            "flow": self.flow
+        }
+
+        if self.max_rate > 100:
+            self.binary_search_with_optimized(self.generator, self.duration,
+                                              timeout, test_data)
+        else:
+            self.binary_search(self.generator, self.duration,
+                               self.tolerance_high, test_data)
+
+    def binary_search_with_optimized(self, traffic_generator, duration,
+                                     timeout, test_data):
+        # TODO Support FD.io Multiple Loss Ratio search (MLRsearch)
+        pass
+
+    def binary_search(self, traffic_generator, duration, tolerance_value,
+                      test_data):
+        theor_max_thruput = 0
+        result_samples = {}
+
+        for test_value in self.bounds_iterator(LOGGING):
+            stats = traffic_generator.send_traffic_on_tg(self.ports,
+                                                         self.port_pg_id,
+                                                         duration,
+                                                         str(
+                                                             test_value / self.max_rate / 2),
+                                                         latency=self.enable_latency)
+            traffic_generator.client.reset(ports=self.ports)
+            traffic_generator.client.clear_stats(ports=self.ports)
+            traffic_generator.client.remove_all_streams(ports=self.ports)
+            for port, profile in self.profiles.items():
+                traffic_generator.client.add_streams(profile, ports=[port])
+
+            loss_ratio = (float(traffic_generator.loss) / float(
+                traffic_generator.sent)) * 100
+
+            samples = traffic_generator.generate_samples(stats, self.ports,
+                                                         self.port_pg_id,
+                                                         self.enable_latency)
+            samples.update(test_data)
+            LOGGING.info("Collect TG KPIs %s %s %s", datetime.datetime.now(),
+                         test_value, samples)
+            self.queue.put(samples)
+
+            if float(loss_ratio) > float(tolerance_value):
+                LOGGING.debug("Failure... Decreasing upper bound")
+                self.current_upper = test_value
+            else:
+                LOGGING.debug("Success! Increasing lower bound")
+                self.current_lower = test_value
+
+                rate_total = float(traffic_generator.sent) / float(duration)
+                bandwidth_total = float(rate_total) * (
+                        float(self.pkt_size) + 20) * 8 / (10 ** 9)
+
+                success_samples = {'Result_' + key: value for key, value in
+                                   samples.items()}
+                success_samples["Result_{}".format('PDR')] = {
+                    "rate_total_pps": float(rate_total),
+                    "bandwidth_total_Gbps": float(bandwidth_total),
+                    "packet_loss_ratio": float(loss_ratio),
+                    "packets_lost": int(traffic_generator.loss),
+                }
+                self.queue.put(success_samples)
+
+                # Store Actual throughput for result samples
+                for intf in traffic_generator.vnfd_helper.interfaces:
+                    name = intf["name"]
+                    result_samples[name] = {
+                        "Result_Actual_throughput": float(
+                            success_samples["Result_{}".format(name)][
+                                "rx_throughput_bps"]),
+                    }
+
+            for intf in traffic_generator.vnfd_helper.interfaces:
+                name = intf["name"]
+                if theor_max_thruput < samples[name]["tx_throughput_bps"]:
+                    theor_max_thruput = samples[name]['tx_throughput_bps']
+                    self.queue.put({'theor_max_throughput': theor_max_thruput})
+
+        result_samples["Result_theor_max_throughput"] = theor_max_thruput
+        self.queue.put(result_samples)
+        return result_samples
diff --git a/yardstick/tests/unit/network_services/traffic_profile/test_vpp_rfc2544.py b/yardstick/tests/unit/network_services/traffic_profile/test_vpp_rfc2544.py
new file mode 100644
index 000000000..4e5a0f708
--- /dev/null
+++ b/yardstick/tests/unit/network_services/traffic_profile/test_vpp_rfc2544.py
@@ -0,0 +1,819 @@
+# Copyright (c) 2019 Viosoft Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import mock
+from trex_stl_lib import trex_stl_client
+from trex_stl_lib import trex_stl_packet_builder_scapy
+from trex_stl_lib import trex_stl_streams
+
+from yardstick.common import constants
+from yardstick.network_services.traffic_profile import base as tp_base
+from yardstick.network_services.traffic_profile import rfc2544, vpp_rfc2544
+from yardstick.tests.unit import base
+
+
+class TestVppRFC2544Profile(base.BaseUnitTestCase):
+    TRAFFIC_PROFILE = {
+        "schema": "isb:traffic_profile:0.1",
+        "name": "fixed",
+        "description": "Fixed traffic profile to run UDP traffic",
+        "traffic_profile": {
+            "traffic_type": "FixedTraffic",
+            "duration": 30,
+            "enable_latency": True,
+            "frame_rate": 100,
+            "intermediate_phases": 2,
+            "lower_bound": 1.0,
+            "step_interval": 0.5,
+            "test_precision": 0.1,
+            "upper_bound": 100.0}}
+
+    TRAFFIC_PROFILE_MAX_RATE = {
+        "schema": "isb:traffic_profile:0.1",
+        "name": "fixed",
+        "description": "Fixed traffic profile to run UDP traffic",
+        "traffic_profile": {
+            "traffic_type": "FixedTraffic",
+            "duration": 30,
+            "enable_latency": True,
+            "frame_rate": 10000,
+            "intermediate_phases": 2,
+            "lower_bound": 1.0,
+            "step_interval": 0.5,
+            "test_precision": 0.1,
+            "upper_bound": 100.0}}
+
+    PROFILE = {
+        "description": "Traffic profile to run RFC2544 latency",
+        "downlink_0": {
+            "ipv4": {
+                "id": 2,
+                "outer_l2": {
+                    "framesize": {
+                        "1024B": "0",
+                        "1280B": "0",
+                        "128B": "0",
+                        "1400B": "0",
+                        "1500B": "0",
+                        "1518B": "0",
+                        "256B": "0",
+                        "373b": "0",
+                        "512B": "0",
+                        "570B": "0",
+                        "64B": "100"
+                    }
+                },
+                "outer_l3v4": {
+                    "count": "1",
+                    "dstip4": "10.0.0.0-10.0.0.100",
+                    "proto": 61,
+                    "srcip4": "20.0.0.0-20.0.0.100"
+                }
+            }
+        },
+        "name": "rfc2544",
+        "schema": "nsb:traffic_profile:0.1",
+        "traffic_profile": {
+            "duration": 30,
+            "enable_latency": True,
+            "frame_rate": 100,
+            "intermediate_phases": 2,
+            "lower_bound": 1.0,
+            "step_interval": 0.5,
+            "test_precision": 0.1,
+            "traffic_type": "VppRFC2544Profile",
+            "upper_bound": 100.0
+        },
+        "uplink": {
+            "ipv4": {
+                "id": 1,
+                "outer_l2": {
+                    "framesize": {
+                        "1024B": "0",
+                        "1280B": "0",
+                        "128B": "0",
+                        "1400B": "0",
+                        "1500B": "0",
+                        "1518B": "0",
+                        "256B": "0",
+                        "373B": "0",
+                        "512B": "0",
+                        "570B": "0",
+                        "64B": "100"
+                    }
+                },
+                "outer_l3v4": {
+                    "count": "10",
+                    "dstip4": "20.0.0.0-20.0.0.100",
+                    "proto": 61,
+                    "srcip4": "10.0.0.0-10.0.0.100"
+                }
+            }
+        }
+    }
+
+    def test___init__(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        self.assertEqual(vpp_rfc2544_profile.max_rate,
+                         vpp_rfc2544_profile.rate)
+        self.assertEqual(0, vpp_rfc2544_profile.min_rate)
+        self.assertEqual(30, vpp_rfc2544_profile.duration)
+        self.assertEqual(0.1, vpp_rfc2544_profile.precision)
+        self.assertEqual(1.0, vpp_rfc2544_profile.lower_bound)
+        self.assertEqual(100.0, vpp_rfc2544_profile.upper_bound)
+        self.assertEqual(0.5, vpp_rfc2544_profile.step_interval)
+        self.assertEqual(True, vpp_rfc2544_profile.enable_latency)
+
+    def test_init_traffic_params(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        mock_generator = mock.MagicMock()
+        mock_generator.rfc2544_helper.latency = True
+        mock_generator.rfc2544_helper.tolerance_low = 0.0
+        mock_generator.rfc2544_helper.tolerance_high = 0.005
+        mock_generator.scenario_helper.all_options = {
+            "vpp_config": {
+                "max_rate": 14880000
+            }
+        }
+        vpp_rfc2544_profile.init_traffic_params(mock_generator)
+        self.assertEqual(0.0, vpp_rfc2544_profile.tolerance_low)
+        self.assertEqual(0.005, vpp_rfc2544_profile.tolerance_high)
+        self.assertEqual(14880000, vpp_rfc2544_profile.max_rate)
+        self.assertEqual(True, vpp_rfc2544_profile.enable_latency)
+
+    def test_calculate_frame_size(self):
+        imix = {'40B': 7, '576B': 4, '1500B': 1}
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        self.assertEqual((4084 / 12, 12),
+                         vpp_rfc2544_profile.calculate_frame_size(imix))
+
+    def test_calculate_frame_size_empty(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        self.assertEqual((64, 100),
+                         vpp_rfc2544_profile.calculate_frame_size(None))
+
+    def test_calculate_frame_size_error(self):
+        imix = {'40B': -7, '576B': 4, '1500B': 1}
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        self.assertEqual((64, 100),
+                         vpp_rfc2544_profile.calculate_frame_size(imix))
+
+    def test__gen_payload(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        self.assertIsNotNone(vpp_rfc2544_profile._gen_payload(4))
+
+    def test_register_generator(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        mock_generator = mock.MagicMock()
+        mock_generator.rfc2544_helper.latency = True
+        mock_generator.rfc2544_helper.tolerance_low = 0.0
+        mock_generator.rfc2544_helper.tolerance_high = 0.005
+        mock_generator.scenario_helper.all_options = {
+            "vpp_config": {
+                "max_rate": 14880000
+            }
+        }
+        vpp_rfc2544_profile.register_generator(mock_generator)
+        self.assertEqual(0.0, vpp_rfc2544_profile.tolerance_low)
+        self.assertEqual(0.005, vpp_rfc2544_profile.tolerance_high)
+        self.assertEqual(14880000, vpp_rfc2544_profile.max_rate)
+        self.assertEqual(True, vpp_rfc2544_profile.enable_latency)
+
+    def test_stop_traffic(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        mock_generator = mock.Mock()
+        vpp_rfc2544_profile.stop_traffic(traffic_generator=mock_generator)
+        mock_generator.client.stop.assert_called_once()
+        mock_generator.client.reset.assert_called_once()
+        mock_generator.client.remove_all_streams.assert_called_once()
+
+    def test_execute_traffic(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        vpp_rfc2544_profile.init_queue(mock.MagicMock())
+        vpp_rfc2544_profile.params = {
+            'downlink_0': 'profile1',
+            'uplink_0': 'profile2'}
+        mock_generator = mock.MagicMock()
+        mock_generator.networks = {
+            'downlink_0': ['xe0', 'xe1'],
+            'uplink_0': ['xe2', 'xe3'],
+            'uplink_1': ['xe2', 'xe3']}
+        mock_generator.port_num.side_effect = [10, 20, 30, 40]
+        mock_generator.rfc2544_helper.correlated_traffic = False
+
+        with mock.patch.object(vpp_rfc2544_profile, 'create_profile') as \
+                mock_create_profile:
+            vpp_rfc2544_profile.execute_traffic(
+                traffic_generator=mock_generator)
+        mock_create_profile.assert_has_calls([
+            mock.call('profile1', 10),
+            mock.call('profile1', 20),
+            mock.call('profile2', 30),
+            mock.call('profile2', 40)])
+        mock_generator.client.add_streams.assert_has_calls([
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[30]),
+            mock.call(mock.ANY, ports=[40])])
+
+    def test_execute_traffic_correlated_traffic(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        vpp_rfc2544_profile.init_queue(mock.MagicMock())
+        vpp_rfc2544_profile.params = {
+            'downlink_0': 'profile1',
+            'uplink_0': 'profile2'}
+        mock_generator = mock.MagicMock()
+        mock_generator.networks = {
+            'downlink_0': ['xe0', 'xe1'],
+            'uplink_0': ['xe2', 'xe3']}
+        mock_generator.port_num.side_effect = [10, 20, 30, 40]
+        mock_generator.rfc2544_helper.correlated_traffic = True
+
+        with mock.patch.object(vpp_rfc2544_profile, 'create_profile') as \
+                mock_create_profile:
+            vpp_rfc2544_profile.execute_traffic(
+                traffic_generator=mock_generator)
+        mock_create_profile.assert_has_calls([
+            mock.call('profile2', 10),
+            mock.call('profile2', 20)])
+        mock_generator.client.add_streams.assert_has_calls([
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20])])
+
+    def test_execute_traffic_max_rate(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE_MAX_RATE)
+        vpp_rfc2544_profile.init_queue(mock.MagicMock())
+        vpp_rfc2544_profile.params = {
+            'downlink_0': 'profile1',
+            'uplink_0': 'profile2'}
+        mock_generator = mock.MagicMock()
+        mock_generator.networks = {
+            'downlink_0': ['xe0', 'xe1'],
+            'uplink_0': ['xe2', 'xe3']}
+        mock_generator.port_num.side_effect = [10, 20, 30, 40]
+        mock_generator.rfc2544_helper.correlated_traffic = False
+
+        with mock.patch.object(vpp_rfc2544_profile, 'create_profile') as \
+                mock_create_profile:
+            vpp_rfc2544_profile.execute_traffic(
+                traffic_generator=mock_generator)
+        mock_create_profile.assert_has_calls([
+            mock.call('profile1', 10),
+            mock.call('profile1', 20),
+            mock.call('profile2', 30),
+            mock.call('profile2', 40)])
+        mock_generator.client.add_streams.assert_has_calls([
+            mock.call(mock.ANY, ports=[10]),
+            mock.call(mock.ANY, ports=[20]),
+            mock.call(mock.ANY, ports=[30]),
+            mock.call(mock.ANY, ports=[40])])
+
+    @mock.patch.object(trex_stl_streams, 'STLProfile')
+    def test_create_profile(self, mock_stl_profile):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        port = mock.ANY
+        profile_data = {'packetid_1': {'outer_l2': {'framesize': 'imix_info'}}}
+        with mock.patch.object(vpp_rfc2544_profile, 'calculate_frame_size') as \
+                mock_calculate_frame_size, \
+                mock.patch.object(vpp_rfc2544_profile, '_create_imix_data') as \
+                        mock_create_imix, \
+                mock.patch.object(vpp_rfc2544_profile, '_create_vm') as \
+                        mock_create_vm, \
+                mock.patch.object(vpp_rfc2544_profile,
+                                  '_create_single_stream') as \
+                        mock_create_single_stream:
+            mock_calculate_frame_size.return_value = 64, 100
+            mock_create_imix.return_value = 'imix_data'
+            mock_create_single_stream.return_value = ['stream1']
+            vpp_rfc2544_profile.create_profile(profile_data, port)
+
+        mock_create_imix.assert_called_once_with('imix_info')
+        mock_create_vm.assert_called_once_with(
+            {'outer_l2': {'framesize': 'imix_info'}})
+        mock_create_single_stream.assert_called_once_with(port, 'imix_data',
+                                                          100)
+        mock_stl_profile.assert_called_once_with(['stream1'])
+
+    @mock.patch.object(trex_stl_streams, 'STLProfile')
+    def test_create_profile_max_rate(self, mock_stl_profile):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE_MAX_RATE)
+        port = mock.ANY
+        profile_data = {'packetid_1': {'outer_l2': {'framesize': 'imix_info'}}}
+        with mock.patch.object(vpp_rfc2544_profile, 'calculate_frame_size') as \
+                mock_calculate_frame_size, \
+                mock.patch.object(vpp_rfc2544_profile, '_create_imix_data') as \
+                        mock_create_imix, \
+                mock.patch.object(vpp_rfc2544_profile, '_create_vm') as \
+                        mock_create_vm, \
+                mock.patch.object(vpp_rfc2544_profile,
+                                  '_create_single_stream') as \
+                        mock_create_single_stream:
+            mock_calculate_frame_size.return_value = 64, 100
+            mock_create_imix.return_value = 'imix_data'
+            mock_create_single_stream.return_value = ['stream1']
+            vpp_rfc2544_profile.create_profile(profile_data, port)
+
+        mock_create_imix.assert_called_once_with('imix_info', 'mode_DIP')
+        mock_create_vm.assert_called_once_with(
+            {'outer_l2': {'framesize': 'imix_info'}})
+        mock_create_single_stream.assert_called_once_with(port, 'imix_data',
+                                                          100)
+        mock_stl_profile.assert_called_once_with(['stream1'])
+
+    def test__create_imix_data_mode_DIP(self):
+        rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(self.TRAFFIC_PROFILE)
+        data = {'64B': 50, '128B': 50}
+        self.assertEqual(
+            {'64': 50.0, '128': 50.0},
+            rfc2544_profile._create_imix_data(
+                data, weight_mode=constants.DISTRIBUTION_IN_PACKETS))
+        data = {'64B': 1, '128b': 3}
+        self.assertEqual(
+            {'64': 25.0, '128': 75.0},
+            rfc2544_profile._create_imix_data(
+                data, weight_mode=constants.DISTRIBUTION_IN_PACKETS))
+        data = {}
+        self.assertEqual(
+            {},
+            rfc2544_profile._create_imix_data(
+                data, weight_mode=constants.DISTRIBUTION_IN_PACKETS))
+
+    def test__create_imix_data_mode_DIB(self):
+        rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(self.TRAFFIC_PROFILE)
+        data = {'64B': 25, '128B': 25, '512B': 25, '1518B': 25}
+        byte_total = 64 * 25 + 128 * 25 + 512 * 25 + 1518 * 25
+        self.assertEqual(
+            {'64': 64 * 25.0 * 100 / byte_total,
+             '128': 128 * 25.0 * 100 / byte_total,
+             '512': 512 * 25.0 * 100 / byte_total,
+             '1518': 1518 * 25.0 * 100 / byte_total},
+            rfc2544_profile._create_imix_data(
+                data, weight_mode=constants.DISTRIBUTION_IN_BYTES))
+        data = {}
+        self.assertEqual(
+            {},
+            rfc2544_profile._create_imix_data(
+                data, weight_mode=constants.DISTRIBUTION_IN_BYTES))
+        data = {'64B': 100}
+        self.assertEqual(
+            {'64': 100.0},
+            rfc2544_profile._create_imix_data(
+                data, weight_mode=constants.DISTRIBUTION_IN_BYTES))
+
+    def test__create_vm(self):
+        packet = {'outer_l2': 'l2_definition'}
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        with mock.patch.object(vpp_rfc2544_profile, '_set_outer_l2_fields') as \
+                mock_l2_fileds:
+            vpp_rfc2544_profile._create_vm(packet)
+        mock_l2_fileds.assert_called_once_with('l2_definition')
+
+    @mock.patch.object(trex_stl_packet_builder_scapy, 'STLPktBuilder',
+                       return_value='packet')
+    def test__create_single_packet(self, mock_pktbuilder):
+        size = 128
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        vpp_rfc2544_profile.ether_packet = mock.MagicMock()
+        vpp_rfc2544_profile.ip_packet = mock.MagicMock()
+        vpp_rfc2544_profile.udp_packet = mock.MagicMock()
+        vpp_rfc2544_profile.trex_vm = 'trex_vm'
+        # base_pkt = (
+        #        vpp_rfc2544_profile.ether_packet / vpp_rfc2544_profile.ip_packet /
+        #        vpp_rfc2544_profile.udp_packet)
+        # pad = (size - len(base_pkt)) * 'x'
+        output = vpp_rfc2544_profile._create_single_packet(size=size)
+        self.assertEqual(mock_pktbuilder.call_count, 2)
+        # mock_pktbuilder.assert_called_once_with(pkt=base_pkt / pad,
+        #                                        vm='trex_vm')
+        self.assertEqual(output, ('packet', 'packet'))
+
+    def test__set_outer_l3v4_fields(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        outer_l3v4 = self.PROFILE[
+            tp_base.TrafficProfile.UPLINK]['ipv4']['outer_l3v4']
+        outer_l3v4['proto'] = 'tcp'
+        self.assertIsNone(
+            vpp_rfc2544_profile._set_outer_l3v4_fields(outer_l3v4))
+
+    @mock.patch.object(trex_stl_streams, 'STLFlowLatencyStats')
+    @mock.patch.object(trex_stl_streams, 'STLTXCont')
+    @mock.patch.object(trex_stl_client, 'STLStream')
+    def test__create_single_stream(self, mock_stream, mock_txcont,
+                                   mock_latency):
+        imix_data = {'64': 25, '512': 75}
+        mock_stream.side_effect = ['stream1', 'stream2', 'stream3', 'stream4']
+        mock_txcont.side_effect = ['txcont1', 'txcont2', 'txcont3', 'txcont4']
+        mock_latency.side_effect = ['latency1', 'latency2']
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        vpp_rfc2544_profile.port_pg_id = rfc2544.PortPgIDMap()
+        vpp_rfc2544_profile.port_pg_id.add_port(10)
+        with mock.patch.object(vpp_rfc2544_profile, '_create_single_packet') as \
+                mock_create_single_packet:
+            mock_create_single_packet.return_value = 64, 100
+            output = vpp_rfc2544_profile._create_single_stream(10, imix_data,
+                                                               100, 0.0)
+        self.assertEqual(['stream1', 'stream2', 'stream3', 'stream4'], output)
+        mock_latency.assert_has_calls([
+            mock.call(pg_id=1), mock.call(pg_id=2)])
+        mock_txcont.assert_has_calls([
+            mock.call(percentage=25 * 100 / 100),
+            mock.call(percentage=75 * 100 / 100)], any_order=True)
+
+    @mock.patch.object(trex_stl_streams, 'STLFlowLatencyStats')
+    @mock.patch.object(trex_stl_streams, 'STLTXCont')
+    @mock.patch.object(trex_stl_client, 'STLStream')
+    def test__create_single_stream_max_rate(self, mock_stream, mock_txcont,
+                                            mock_latency):
+        imix_data = {'64': 25, '512': 75}
+        mock_stream.side_effect = ['stream1', 'stream2', 'stream3', 'stream4']
+        mock_txcont.side_effect = ['txcont1', 'txcont2', 'txcont3', 'txcont4']
+        mock_latency.side_effect = ['latency1', 'latency2']
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE_MAX_RATE)
+        vpp_rfc2544_profile.port_pg_id = rfc2544.PortPgIDMap()
+        vpp_rfc2544_profile.port_pg_id.add_port(1)
+        with mock.patch.object(vpp_rfc2544_profile, '_create_single_packet') as \
+                mock_create_single_packet:
+            mock_create_single_packet.return_value = 64, 100
+            output = vpp_rfc2544_profile._create_single_stream(1, imix_data,
+                                                               100, 0.0)
+        self.assertEqual(['stream1', 'stream2', 'stream3', 'stream4'], output)
+        mock_latency.assert_has_calls([
+            mock.call(pg_id=1), mock.call(pg_id=2)])
+        mock_txcont.assert_has_calls([
+            mock.call(pps=int(25 * 100 / 100)),
+            mock.call(pps=int(75 * 100 / 100))], any_order=True)
+
+    @mock.patch.object(trex_stl_streams, 'STLFlowLatencyStats')
+    @mock.patch.object(trex_stl_streams, 'STLTXCont')
+    @mock.patch.object(trex_stl_client, 'STLStream')
+    def test__create_single_stream_mlr_search(self, mock_stream, mock_txcont,
+                                              mock_latency):
+        imix_data = {'64': 25, '512': 75}
+        mock_stream.side_effect = ['stream1', 'stream2', 'stream3', 'stream4']
+        mock_txcont.side_effect = ['txcont1', 'txcont2', 'txcont3', 'txcont4']
+        mock_latency.side_effect = ['latency1', 'latency2']
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        vpp_rfc2544_profile.max_rate = 14880000
+        vpp_rfc2544_profile.port_pg_id = rfc2544.PortPgIDMap()
+        vpp_rfc2544_profile.port_pg_id.add_port(10)
+        with mock.patch.object(vpp_rfc2544_profile, '_create_single_packet') as \
+                mock_create_single_packet:
+            mock_create_single_packet.return_value = 64, 100
+            output = vpp_rfc2544_profile._create_single_stream(10, imix_data,
+                                                               100, 0.0)
+        self.assertEqual(['stream1', 'stream2', 'stream3', 'stream4'], output)
+        mock_latency.assert_has_calls([
+            mock.call(pg_id=1), mock.call(pg_id=2)])
+        mock_txcont.assert_has_calls([
+            mock.call(pps=25 * 100 / 100),
+            mock.call(pps=75 * 100 / 100)], any_order=True)
+
+    def test_binary_search_with_optimized(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        mock_generator = mock.MagicMock()
+        self.assertIsNone(
+            vpp_rfc2544_profile.binary_search_with_optimized(mock_generator,
+                                                             30, 720, ''))
+
+    def test_binary_search(self):
+        vpp_rfc2544_profile = vpp_rfc2544.VppRFC2544Profile(
+            self.TRAFFIC_PROFILE)
+        vpp_rfc2544_profile.pkt_size = 64
+        vpp_rfc2544_profile.init_queue(mock.MagicMock())
+        mock_generator = mock.MagicMock()
+        mock_generator.vnfd_helper.interfaces = [
+            {"name": "xe0"}, {"name": "xe1"}
+        ]
+        stats = {
+            "0": {
+                "ibytes": 55549120,
+                "ierrors": 0,
+                "ipackets": 867955,
+                "obytes": 55549696,
+                "oerrors": 0,
+                "opackets": 867964,
+                "rx_bps": 104339032.0,
+                "rx_bps_L1": 136944984.0,
+                "rx_pps": 203787.2,
+                "rx_util": 1.36944984,
+                "tx_bps": 134126008.0,
+                "tx_bps_L1": 176040392.0,
+                "tx_pps": 261964.9,
+                "tx_util": 1.7604039200000001
+            },
+            "1": {
+                "ibytes": 55549696,
+                "ierrors": 0,
+                "ipackets": 867964,
+                "obytes": 55549120,
+                "oerrors": 0,
+                "opackets": 867955,
+                "rx_bps": 134119648.0,
+                "rx_bps_L1": 176032032.0,
+                "rx_pps": 261952.4,
+                "rx_util": 1.76032032,
+                "tx_bps": 104338192.0,
+                "tx_bps_L1": 136943872.0,
+                "tx_pps": 203785.5,
+                "tx_util": 1.36943872
+            },
+            "flow_stats": {
+                "1": {
+                    "rx_bps": {
+                        "0": 0,
+                        "1": 0,
+                        "total": 0
+                    },
+                    "rx_bps_l1": {
+                        "0": 0.0,
+                        "1": 0.0,
+                        "total": 0.0
+                    },
+                    "rx_bytes": {
+                        "0": 6400,
+                        "1": 0,
+                        "total": 6400
+                    },
+                    "rx_pkts": {
+                        "0": 100,
+                        "1": 0,
+                        "total": 100
+                    },
+                    "rx_pps": {
+                        "0": 0,
+                        "1": 0,
+                        "total": 0
+                    },
+                    "tx_bps": {
+                        "0": 0,
+                        "1": 0,
+                        "total": 0
+                    },
+                    "tx_bps_l1": {
+                        "0": 0.0,
+                        "1": 0.0,
+                        "total": 0.0
+                    },
+                    "tx_bytes": {
+                        "0": 0,
+                        "1": 6400,
+                        "total": 6400
+                    },
+                    "tx_pkts": {
+                        "0": 0,
+                        "1": 100,
+                        "total": 100
+                    },
+                    "tx_pps": {
+                        "0": 0,
+                        "1": 0,
+                        "total": 0
+                    }
+                },
+                "2": {
+                    "rx_bps": {
+                        "0": 0,
+                        "1": 0,
+                        "total": 0
+                    },
+                    "rx_bps_l1": {
+                        "0": 0.0,
+                        "1": 0.0,
+                        "total": 0.0
+                    },
+                    "rx_bytes": {
+                        "0": 0,
+                        "1": 6464,
+                        "total": 6464
+                    },
+                    "rx_pkts": {
+                        "0": 0,
+                        "1": 101,
+                        "total": 101
+                    },
+                    "rx_pps": {
+                        "0": 0,
+                        "1": 0,
+                        "total": 0
+                    },
+                    "tx_bps": {
+                        "0": 0,
+                        "1": 0,
+                        "total": 0
+                    },
+                    "tx_bps_l1": {
+                        "0": 0.0,
+                        "1": 0.0,
+                        "total": 0.0
+                    },
+                    "tx_bytes": {
+                        "0": 6464,
+                        "1": 0,
+                        "total": 6464
+                    },
+                    "tx_pkts": {
+                        "0": 101,
+                        "1": 0,
+                        "total": 101
+                    },
+                    "tx_pps": {
+                        "0": 0,
+                        "1": 0,
+                        "total": 0
+                    }
+                },
+                "global": {
+                    "rx_err": {
+                        "0": 0,
+                        "1": 0
+                    },
+                    "tx_err": {
+                        "0": 0,
+                        "1": 0
+                    }
+                }
+            },
+            "global": {
+                "bw_per_core": 45.6,
+                "cpu_util": 0.1494,
+                "queue_full": 0,
+                "rx_bps": 238458672.0,
+                "rx_cpu_util": 4.751e-05,
+                "rx_drop_bps": 0.0,
+                "rx_pps": 465739.6,
+                "tx_bps": 238464208.0,
+                "tx_pps": 465750.4
+            },
+            "latency": {
+                "1": {
+                    "err_cntrs": {
+                        "dropped": 0,
+                        "dup": 0,
+                        "out_of_order": 0,
+                        "seq_too_high": 0,
+                        "seq_too_low": 0
+                    },
+                    "latency": {
+                        "average": 63.375,
+                        "histogram": {
+                            "20": 1,
+                            "30": 18,
+                            "40": 12,
+                            "50": 10,
+                            "60": 12,
+                            "70": 11,
+                            "80": 6,
+                            "90": 10,
+                            "100": 20
+                        },
+                        "jitter": 23,
+                        "last_max": 122,
+                        "total_max": 123,
+                        "total_min": 20
+                    }
+                },
+                "2": {
+                    "err_cntrs": {
+                        "dropped": 0,
+                        "dup": 0,
+                        "out_of_order": 0,
+                        "seq_too_high": 0,
+                        "seq_too_low": 0
+                    },
+                    "latency": {
+                        "average": 74,
+                        "histogram": {
+                            "60": 20,
+                            "70": 10,
+                            "80": 3,
+                            "90": 4,
+                            "100": 64
+                        },
+                        "jitter": 6,
+                        "last_max": 83,
+                        "total_max": 135,
+                        "total_min": 60
+                    }
+                },
+                "global": {
+                    "bad_hdr": 0,
+                    "old_flow": 0
+                }
+            },
+            "total": {
+                "ibytes": 111098816,
+                "ierrors": 0,
+                "ipackets": 1735919,
+                "obytes": 111098816,
+                "oerrors": 0,
+                "opackets": 1735919,
+                "rx_bps": 238458680.0,
+                "rx_bps_L1": 312977016.0,
+                "rx_pps": 465739.6,
+                "rx_util": 3.1297701599999996,
+                "tx_bps": 238464200.0,
+                "tx_bps_L1": 312984264.0,
+                "tx_pps": 465750.4,
+                "tx_util": 3.12984264
+            }
+        }
+        samples = {
+            "xe0": {
+                "in_packets": 867955,
+                "latency": {
+                    "2": {
+                        "avg_latency": 74.0,
+                        "max_latency": 135.0,
+                        "min_latency": 60.0
+                    }
+                },
+                "out_packets": 867964,
+                "rx_throughput_bps": 104339032.0,
+                "rx_throughput_fps": 203787.2,
+                "tx_throughput_bps": 134126008.0,
+                "tx_throughput_fps": 261964.9
+            },
+            "xe1": {
+                "in_packets": 867964,
+                "latency": {
+                    "1": {
+                        "avg_latency": 63.375,
+                        "max_latency": 123.0,
+                        "min_latency": 20.0
+                    }
+                },
+                "out_packets": 867955,
+                "rx_throughput_bps": 134119648.0,
+                "rx_throughput_fps": 261952.4,
+                "tx_throughput_bps": 104338192.0,
+                "tx_throughput_fps": 203785.5
+            }
+        }
+
+        mock_generator.loss = 0
+        mock_generator.sent = 2169700
+        mock_generator.send_traffic_on_tg = mock.Mock(return_value=stats)
+        mock_generator.generate_samples = mock.Mock(return_value=samples)
+
+        result_samples = vpp_rfc2544_profile.binary_search(
+            traffic_generator=mock_generator, duration=30,
+            tolerance_value=0.005,
+            test_data={})
+
+        expected = {'Result_theor_max_throughput': 134126008.0,
+                    'xe0': {'Result_Actual_throughput': 104339032.0},
+                    'xe1': {'Result_Actual_throughput': 134119648.0}}
+        self.assertEqual(expected, result_samples)