diff options
Diffstat (limited to 'resources/libraries')
| -rw-r--r-- | resources/libraries/python/TrafficGenerator.py | 2 | ||||
| -rw-r--r-- | resources/libraries/python/autogen/Copyright.py | 29 | ||||
| -rw-r--r-- | resources/libraries/python/autogen/DefaultTestcase.py | 34 | ||||
| -rw-r--r-- | resources/libraries/python/autogen/Regenerator.py | 96 | ||||
| -rw-r--r-- | resources/libraries/python/autogen/Testcase.py | 70 | ||||
| -rw-r--r-- | resources/libraries/python/autogen/__init__.py | 16 | ||||
| -rw-r--r-- | resources/libraries/robot/performance/performance_utils.robot | 132 |
7 files changed, 360 insertions, 19 deletions
diff --git a/resources/libraries/python/TrafficGenerator.py b/resources/libraries/python/TrafficGenerator.py index 9959f25ae7..8acf1eb28b 100644 --- a/resources/libraries/python/TrafficGenerator.py +++ b/resources/libraries/python/TrafficGenerator.py @@ -613,7 +613,7 @@ class OptimizedSearch(object): maximum_transmit_rate, packet_loss_ratio=0.005, final_relative_width=0.005, final_trial_duration=30.0, initial_trial_duration=1.0, number_of_intermediate_phases=2, - timeout=600.0): + timeout=720.0): """Setup initialized TG, perform optimized search, return intervals. :param frame_size: Frame size identifier or value [B]. diff --git a/resources/libraries/python/autogen/Copyright.py b/resources/libraries/python/autogen/Copyright.py new file mode 100644 index 0000000000..e8c72f0624 --- /dev/null +++ b/resources/libraries/python/autogen/Copyright.py @@ -0,0 +1,29 @@ +# Copyright (c) 2018 Cisco and/or its affiliates. +# 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. + +"""Module defining sole constant holding copyright text for current year.""" + + +COPYRIGHT = '''# Copyright (c) 2018 Cisco and/or its affiliates. +# 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. +'''
\ No newline at end of file diff --git a/resources/libraries/python/autogen/DefaultTestcase.py b/resources/libraries/python/autogen/DefaultTestcase.py new file mode 100644 index 0000000000..9878289bd1 --- /dev/null +++ b/resources/libraries/python/autogen/DefaultTestcase.py @@ -0,0 +1,34 @@ +# Copyright (c) 2018 Cisco and/or its affiliates. +# 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. + +"""Module with utilities for autogeneration of non-customizable testcases.""" + +from Testcase import Testcase + + +class DefaultTestcase(Testcase): + """Testcase subclass with a rigid template string.""" + + def __init__(self, suite_id): + """Construct instance for identified suite. + + :param suite_id: Suite identifier, without NIC prefix and .robot suffix. + Example: ethip6srhip6-ip6base-srv6enc2sids-nodecaps-ndrpdr + :type suite_id: str + """ + template_string = r''' +| ${tc_num}-${frame_str}-${cores_str}c-''' + suite_id + r''' +| | [Tags] | ${frame_str} | ${cores_str}C +| | framesize=${frame_num} | phy_cores=${cores_num} +''' + super(DefaultTestcase, self).__init__(template_string) diff --git a/resources/libraries/python/autogen/Regenerator.py b/resources/libraries/python/autogen/Regenerator.py new file mode 100644 index 0000000000..85e8b60dd5 --- /dev/null +++ b/resources/libraries/python/autogen/Regenerator.py @@ -0,0 +1,96 @@ +# Copyright (c) 2018 Cisco and/or its affiliates. +# 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. + +"""Module defining utilities for test directory regeneration.""" + +from glob import glob +from os import getcwd + +from .Testcase import Testcase +from .DefaultTestcase import DefaultTestcase + + +class Regenerator(object): + """Class containing file generating methods.""" + + def __init__(self, testcase_class=DefaultTestcase): + """Initialize Testcase class to use. + + TODO: See the type doc for testcase_class? + It implies the design is wrong. Fix it. + Easiest: Hardcode Regenerator to use DefaultTestcase only. + + :param testcase_class: Subclass of DefaultTestcase for generation. + Default: DefaultTestcase + :type testcase_class: subclass of DefaultTestcase accepting suite_id + """ + self.testcase_class = testcase_class + + def regenerate_glob(self, pattern, is_ip6=False, tc_kwargs_list=None): + """Regenerate files matching glob pattern based on arguments. + + In the current working directory, find all files matching + the glob pattern. Use testcase template (from init) to regenerate + test cases, autonumbering them, taking arguments from list. + If the list is None, use default list, which depends on ip6 usage. + + :param pattern: Glob pattern to select files. Example: *-ndrpdr.robot + :param is_ip6: Flag determining minimal frame size. Default: False + :param tc_kwargs_list: Arguments defining the testcases. Default: None + When None, default list is used. + List item is a dict, argument names are keys. + The initialized testcase_class should accept those, and "num". + DefaultTestcase accepts "framesize" and "phy_cores". + :type pattern: str + :type is_ip6: boolean + :type tc_kwargs_list: list of tuple or None + """ + + def add_testcase(file_out, num, **kwargs): + file_out.write(testcase.generate(num=num, **kwargs)) + return num + 1 + + def add_testcases(file_out, tc_kwargs_list): + num = 1 + for tc_kwargs in tc_kwargs_list: + num = add_testcase(file_out, num, **tc_kwargs) + + print "Regenerator starts at {cwd}".format(cwd=getcwd()) + min_framesize = 78 if is_ip6 else 64 + kwargs_list = tc_kwargs_list if tc_kwargs_list is not None else [ + {"framesize": min_framesize, "phy_cores": 1}, + {"framesize": min_framesize, "phy_cores": 2}, + {"framesize": min_framesize, "phy_cores": 4}, + {"framesize": 1518, "phy_cores": 1}, + {"framesize": 1518, "phy_cores": 2}, + {"framesize": 1518, "phy_cores": 4}, + {"framesize": 9000, "phy_cores": 1}, + {"framesize": 9000, "phy_cores": 2}, + {"framesize": 9000, "phy_cores": 4}, + {"framesize": "IMIX_v4_1", "phy_cores": 1}, + {"framesize": "IMIX_v4_1", "phy_cores": 2}, + {"framesize": "IMIX_v4_1", "phy_cores": 4} + ] + for filename in glob(pattern): + with open(filename, "r") as file_in: + text = file_in.read() + text_prolog = "".join(text.partition("*** Test Cases ***")[:-1]) + # TODO: Make the following work for 2n suites. + suite_id = filename.split("-", 1)[1].split(".", 1)[0] + print "Regenerating suite_id:", suite_id + testcase = self.testcase_class(suite_id) + with open(filename, "w") as file_out: + file_out.write(text_prolog) + add_testcases(file_out, kwargs_list) + print "Regenerator ends." + print # To make autogen check output more readable. diff --git a/resources/libraries/python/autogen/Testcase.py b/resources/libraries/python/autogen/Testcase.py new file mode 100644 index 0000000000..4f92e6c2e1 --- /dev/null +++ b/resources/libraries/python/autogen/Testcase.py @@ -0,0 +1,70 @@ +# Copyright (c) 2018 Cisco and/or its affiliates. +# 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. + +"""Module defining utilities for testcase autogeneration.""" + +from string import Template + + +class Testcase(object): + """Class containing a template string and a substitution method.""" + + def __init__(self, template_string): + """Construct instance by storing template given by string. + + :param template_string: Template string to generate test case code with. + See string.Template documentation for template string syntax. + Only the following placeholders are supported: + - cores_num - Number of cores as robot number, example: "${2}". + - cores_str - Number of physical cores to use, example: "2". + - frame_num - Framesize as a number, example: "${74}". + - frame_str - Framesize in upper case, example: "74B". + - tc_num - Start of testcase name, example: "tc04". + :type template_string: str + """ + self.template = Template(template_string) + + def generate(self, num, framesize, phy_cores): + """Return string of test case code with placeholders filled. + + Fail if there are placeholders left unfilled. + + :param num: Test case number. Example value: 4. + :param framesize: Imix string or numeric frame size. Example: 74. + :param phy_cores: Number of physical cores to use. Example: 2. + :type num: int + :type framesize: str or int + :type phy_cores: int or str + :returns: Filled template, usable as test case code. + :rtype: str + """ + try: + fs = int(framesize) + subst_dict = { + "frame_num": "${%d}" % fs, + "frame_str": "%dB" % fs + } + except ValueError: # Assuming an IMIX string. + subst_dict = { + "frame_num": str(framesize), + "frame_str": "IMIX" + } + cores_str = str(phy_cores) + cores_num = int(cores_str) + subst_dict.update( + { + "cores_num": "${%d}" % cores_num, + "cores_str": phy_cores, + "tc_num": "tc{num:02d}".format(num=num) + }) + return self.template.substitute(subst_dict) diff --git a/resources/libraries/python/autogen/__init__.py b/resources/libraries/python/autogen/__init__.py new file mode 100644 index 0000000000..dfb2255a09 --- /dev/null +++ b/resources/libraries/python/autogen/__init__.py @@ -0,0 +1,16 @@ +# Copyright (c) 2018 Cisco and/or its affiliates. +# 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. + +""" +__init__ file for directory resources/libraries/python/autogen +""" diff --git a/resources/libraries/robot/performance/performance_utils.robot b/resources/libraries/robot/performance/performance_utils.robot index 2cb8d07cb4..4cabe5660e 100644 --- a/resources/libraries/robot/performance/performance_utils.robot +++ b/resources/libraries/robot/performance/performance_utils.robot @@ -38,11 +38,99 @@ | ... | and PDR. *** Keywords *** +| Get Max Rate And Jumbo +| | [Documentation] +| | ... | Argument framesize can be either integer in case of a single packet +| | ... | in stream, or IMIX string defining mix of packets. +| | ... | For jumbo frames detection, the maximal packet size is relevant. +| | ... | For maximal transmit rate, the average packet size is relevant. +| | ... | In both cases, encapsulation overhead (if any) has effect. +| | ... | The maximal rate is computed from line limit bandwidth, +| | ... | but NICs also have an independent limit in packet rate. +| | ... | For some NICs, the limit is not reachable (bps limit is stricter), +| | ... | in those cases None is used (meaning no limiting). +| | ... +| | ... | This keyword returns computed maximal unidirectional transmit rate +| | ... | and jumbo boolean (some suites need that). +| | ... +| | ... | *Arguments:* +| | ... | - bps_limit - Line rate limit in bps. Type: integer +| | ... | - framesize - Framesize in bytes or IMIX. Type: integer or string +| | ... | - overhead - Overhead in bytes. Default: 0. Type: integer +| | ... | - pps_limit - NIC limit rate value in pps. Type: integer or None +| | ... +| | ... | *Returns:* +| | ... | - 2-tuple, consisting of: +| | ... | - Calculated unidirectional maximal transmit rate. +| | ... | Type: integer or float +| | ... | - Jumbo boolean, true if jumbo packet support has to be enabled. +| | ... | Type: boolean +| | ... +| | ... | *Example:* +| | ... +| | ... | \| Get Max Rate And Jumbo | \${10000000} \| IMIX_v4_1 \ +| | ... | \| overhead=\${40} \| pps_limit=\${18750000} \| +| | ... +| | [Arguments] | ${bps_limit} | ${framesize} +| | ... | ${overhead}=${0} | ${pps_limit}=${None} +| | ... +| | ${avg_size} = | Set Variable If | '${framesize}' == 'IMIX_v4_1' +| | ... | ${353.83333} | ${framesize} +| | ${max_size} = | Set Variable If | '${framesize}' == 'IMIX_v4_1' +| | ... | ${1518} | ${framesize} +| | # swo := size_with_overhead +| | ${avg_swo} = | Evaluate | ${avg_size} + ${overhead} +| | ${max_swo} = | Evaluate | ${max_size} + ${overhead} +| | ${jumbo} = | Set Variable If | ${max_swo} < 1522 +| | ... | ${False} | ${True} +| | # For testing None see: https://groups.google.com/\ +| | # forum/#!topic/robotframework-users/XntFz0ocD9E +| | ${limit_set} = | Set Variable | ${pps_limit != None} +| | ${rate} = | Evaluate | (${bps_limit}/((${avg_swo}+20)*8)).__trunc__() +| | ${max_rate} = | Set Variable If | ${limit_set} and ${rate} > ${pps_limit} +| | ... | ${pps_limit} | ${rate} +| | Return From Keyword | ${max_rate} | ${jumbo} + +| Get Max Rate And Jumbo And Handle Multi Seg +| | [Documentation] +| | ... | This keyword adds correct multi seg configuration, +| | ... | then returns the result of Get Max Rate And Jumbo keyword. +| | ... +| | ... | See Documentation of Get Max Rate And Jumbo for more details. +| | ... +| | ... | *Arguments:* +| | ... | - bps_limit - Line rate limit in bps. Type: integer +| | ... | - framesize - Framesize in bytes. Type: integer or string +| | ... | - overhead - Overhead in bytes. Default: 0. Type: integer +| | ... | - pps_limit - NIC limit rate value in pps. Type: integer or None +| | ... +| | ... | *Returns:* +| | ... | - 2-tuple, consisting of: +| | ... | - Calculated unidirectional maximal transmit rate. +| | ... | Type: integer or float +| | ... | - Jumbo boolean, true if jumbo packet support has to be enabled. +| | ... | Type: boolean +| | ... +| | ... | *Example:* +| | ... +| | ... | \| Get Max Rate And Jumbo And Handle Multi Seg | \${10000000} \ +| | ... | \| IMIX_v4_1 \| overhead=\${40} \| pps_limit=\${18750000} \| +| | ... +| | [Arguments] | ${bps_limit} | ${framesize} +| | ... | ${overhead}=${0} | ${pps_limit}=${None} +| | ... +| | ${max_rate} | ${jumbo} = | Get Max Rate And Jumbo +| | ... | ${bps_limit} | ${framesize} | ${overhead} | ${pps_limit} +| | Run Keyword If | not ${jumbo} | Add no multi seg to all DUTs +| | Return From Keyword | ${max_rate} | ${jumbo} + | Calculate pps | | [Documentation] | | ... | Calculate pps for given rate and L2 frame size, | | ... | additional 20B are added to L2 frame size as padding. | | ... +| | ... | FIXME: Migrate callers to Get Max Rate And Jumbo +| | ... | | ... | *Arguments* | | ... | - bps - Rate in bps. Type: integer | | ... | - framesize - L2 frame size in Bytes. Type: integer @@ -66,6 +154,8 @@ | | ... | in stream, or set of packets in case of IMIX type or simmilar. | | ... | This keyword returns average framesize. | | ... +| | ... | FIXME: Migrate callers to Get Max Rate And Jumbo +| | ... | | ... | *Arguments:* | | ... | - framesize - Framesize. Type: integer or string | | ... @@ -362,6 +452,9 @@ | | ... | Display results as formatted test message. | | ... | Fail if a resulting lower bound has too high loss fraction. | | ... | Proceed with Perform additional measurements based on NDRPDR result. +| | ... | Input rates are understood as uni-directional, +| | ... | reported result contains bi-directional rates. +| | ... | | ... | TODO: Should the trial duration of the additional | | ... | measurements be configurable? | | ... @@ -381,19 +474,20 @@ | | ... | | ... | \| Find NDR and PDR intervals using optimized search \| \${64} \| \ | | ... | 3-node-IPv4 \| \${100000} \| \${14880952} \| \${0.005} \| \${0.005} \ -| | ... | \| \${30.0} \| \${1.0} \| \${2} \| ${600.0} +| | ... | \| \${30.0} \| \${1.0} \| \${2} \| ${600.0} \| | | ... | | [Arguments] | ${frame_size} | ${topology_type} | ${minimum_transmit_rate} | | ... | ${maximum_transmit_rate} | ${packet_loss_ratio}=${0.005} | | ... | ${final_relative_width}=${0.005} | ${final_trial_duration}=${30.0} | | ... | ${initial_trial_duration}=${1.0} -| | ... | ${number_of_intermediate_phases}=${2} | ${timeout}=${600.0} -| | ... -| | ${result}= | Perform optimized ndrpdr search | ${frame_size} -| | ... | ${topology_type} | ${minimum_transmit_rate} | ${maximum_transmit_rate} -| | ... | ${packet_loss_ratio} | ${final_relative_width} -| | ... | ${final_trial_duration} | ${initial_trial_duration} -| | ... | ${number_of_intermediate_phases} | timeout=${timeout} +| | ... | ${number_of_intermediate_phases}=${2} | ${timeout}=${720.0} +| | ... +| | ${result} = | Perform optimized ndrpdr search | ${frame_size} +| | ... | ${topology_type} | ${minimum_transmit_rate*2} +| | ... | ${maximum_transmit_rate*2} | ${packet_loss_ratio} +| | ... | ${final_relative_width} | ${final_trial_duration} +| | ... | ${initial_trial_duration} | ${number_of_intermediate_phases} +| | ... | timeout=${timeout} | | Display result of NDRPDR search | ${result} | ${frame_size} | | Check NDRPDR interval validity | ${result.pdr_interval} | | ... | ${packet_loss_ratio} @@ -421,7 +515,7 @@ | | ... | *Example:* | | ... | | ... | \| Display single bound \| NDR lower bound \| \${12345.67} \ -| | ... | \| \${64} \| show_latency=\${EMPTY} +| | ... | \| \${64} \| show_latency=\${EMPTY} \| | | ... | | [Arguments] | ${text} | ${rate_total} | ${framesize} | ${latency}=${EMPTY} | | ... @@ -449,7 +543,7 @@ | | ... | | ... | *Example:* | | ... -| | ... | \| Display result of NDRPDR search \| \${result} \| \${64} +| | ... | \| Display result of NDRPDR search \| \${result} \| \${64} \| | | ... | | [Arguments] | ${result} | ${framesize} | | ... @@ -477,15 +571,17 @@ | | ... | *Example:* | | ... | | ... | \| Check NDRPDR interval validity \| \${result.pdr_interval} \ -| | ... | \| \${0.005} +| | ... | \| \${0.005} \| | | ... | | [Arguments] | ${interval} | ${packet_loss_ratio}=${0.0} | | ... -| | ${lower_bound_lf}= | Set Variable | ${interval.measured_low.loss_fraction} +| | ${lower_bound_lf} = | Set Variable | ${interval.measured_low.loss_fraction} | | Return From Keyword If | ${lower_bound_lf} <= ${packet_loss_ratio} -| | ${messagge}= | Catenate | SEPARATOR=${SPACE} -| | ... | Lower bound fraction ${lower_bound_lf} -| | ... | does not reach ${packet_loss_ratio}. +| | ${message}= | Catenate | SEPARATOR=${SPACE} +| | ... | Minimal rate loss fraction ${lower_bound_lf} +| | ... | does not reach target ${packet_loss_ratio}. +| | ${message} = | Set Variable If | ${lower_bound_lf} >= 1.0 +| | ... | ${message}${\n}Zero packets forwarded! | ${message} | | Fail | ${message} | Perform additional measurements based on NDRPDR result @@ -503,7 +599,7 @@ | | ... | | ... | *Example:* | | ... | \| Perform additional measurements based on NDRPDR result \ -| | ... | \| \${result} \| ${64} \| 3-node-IPv4 +| | ... | \| \${result} \| ${64} \| 3-node-IPv4 \| | | ... | | [Arguments] | ${result} | ${framesize} | ${topology_type} | | ... @@ -673,7 +769,7 @@ | | ... | *Example:* | | ... | | ... | \| Traffic should pass with maximum rate \| 4.0mpps \| 64 \ -| | ... | \| 3-node-IPv4 \| ${1} \| ${10.0} | ${False} +| | ... | \| 3-node-IPv4 \| ${1} \| ${10.0} | ${False} \| | | ... | | [Arguments] | ${rate} | ${framesize} | ${topology_type} | | ... | ${trial_duration}=${perf_trial_duration} | ${fail_no_traffic}=${True} @@ -703,7 +799,7 @@ | | ... | *Example:* | | ... | | ... | \| Send traffic at specified rate \| ${1.0} \| 4.0mpps \| 64 \ -| | ... | \| 3-node-IPv4 \| ${10} +| | ... | \| 3-node-IPv4 \| ${10} \| | | ... | | [Arguments] | ${trial_duration} | ${rate} | ${framesize} | | ... | ${topology_type} | ${subsamples}=${1} |