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Diffstat (limited to 'resources/libraries/robot/performance/performance_limits.robot')
-rw-r--r-- | resources/libraries/robot/performance/performance_limits.robot | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/resources/libraries/robot/performance/performance_limits.robot b/resources/libraries/robot/performance/performance_limits.robot deleted file mode 100644 index 332ed9368b..0000000000 --- a/resources/libraries/robot/performance/performance_limits.robot +++ /dev/null @@ -1,153 +0,0 @@ -# Copyright (c) 2020 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. - -*** Settings *** -| Documentation | Performance suite keywords - Handling NIC and TG limits. -| Library | Collections -| Variables | ${CURDIR}/../../python/Constants.py - -*** Keywords *** -| Get Average Frame Size -| | [Documentation] -| | ... | Framesize can be either integer in case of a single packet -| | ... | in stream, or set of packets in case of IMIX type or simmilar. -| | -| | ... | *Arguments:* -| | ... | - frame_size - Framesize. Type: integer or string -| | ... | - overhead - Overhead in bytes; default value: ${0}. Type: integer -| | -| | ... | *Returns:* -| | ... | Average frame size including overhead. Type: float -| | -| | ... | *Example:* -| | -| | ... | \| Get Average Frame Size \| IMIX_v4_1 \| -| | -| | [Arguments] | ${frame_size} | ${overhead}=${0} -| | -| | ${frame_size} = | Run Keyword If | '${frame_size}' == 'IMIX_v4_1' -| | ... | Set Variable | ${353.83333} -| | ... | ELSE -| | ... | Convert To Number | ${frame_size} -| | ${avg_frame_size} = | Evaluate | ${frame_size} + ${overhead} -| | Return From Keyword | ${avg_frame_size} - -| Get Maximum Frame Size -| | [Documentation] -| | ... | Framesize can be either integer in case of a single packet -| | ... | in stream, or set of packets in case of IMIX type or simmilar. -| | -| | ... | *Arguments:* -| | ... | - frame_size - Framesize. Type: integer or string -| | ... | - overhead - Overhead in bytes; default value: ${0}. Type: integer -| | -| | ... | *Returns:* -| | ... | Maximum frame size including overhead. Type: float -| | -| | ... | *Example:* -| | -| | ... | \| Get Maximum Frame Size \| IMIX_v4_1 \| -| | -| | [Arguments] | ${frame_size} | ${overhead}=${0} -| | -| | ${frame_size} = | Run Keyword If | '${frame_size}' == 'IMIX_v4_1' -| | ... | Set Variable | ${1518} -| | ... | ELSE -| | ... | Convert To Number | ${frame_size} -| | ${max_frame_size} = | Evaluate | ${frame_size} + ${overhead} -| | Return From Keyword | ${max_frame_size} - -| Set Max Rate And Jumbo -| | [Documentation] -| | ... | Input 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 NIC name. -| | ... | The implementation works by mapping from exact -| | ... | whitelisted NIC names. -| | ... | The mapping is hardcoded in nic_limits.yaml -| | ... | TODO: Make the mapping from NIC names case insensistive. -| | -| | ... | TODO: Make pps limit also definable per NIC. -| | -| | ... | This keyword computes maximal unidirectional transmit rate -| | ... | and jumbo boolean (some suites need that for configuration decisions). -| | ... | To streamline suite autogeneration, both input and output values -| | ... | are communicated as test (or broader scope) variables, -| | ... | instead of explicit arguments and return values. -| | -| | ... | *Test (or broader scope) variables read:* -| | ... | - nic_name - Name of bottleneck NIC. Type: string -| | ... | - overhead - Overhead in bytes; default value: 0. Type: integer -| | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: integer or -| | ... | string -| | -| | ... | *Test variables set:* -| | ... | - max_rate - Calculated unidirectional maximal transmit rate [pps]. -| | ... | Type: float -| | ... | - jumbo - Jumbo boolean, true if jumbo packet support has to be -| | ... | enabled. Type: boolean -| | -| | ... | *Example:* -| | -| | ... | \| Set Test Variable \| \${frame_size} \| IMIX_v4_1 \| -| | ... | \| Set Max Rate And Jumbo \| -| | -| | # Negative overhead is possible, if DUT-DUT traffic is less encapsulated -| | # than TG-DUT traffic. -| | # TODO: Re-check overhead values in suites with both traffics encapsulated. -| | # TODO: Improve layered setup to detect encap/decap and update overhead. -| | ${overhead} = | Set Variable If | ${overhead} >= 0 | ${overhead} | ${0} -| | ${pps_limit} = | Get From Dictionary -| | ... | ${NIC_NAME_TO_PPS_LIMIT} | ${nic_name} -| | ${bps_limit} = | Get From Dictionary -| | ... | ${NIC_NAME_TO_BPS_LIMIT} | ${nic_name} -| | # swo := size_with_overhead -| | ${avg_swo} = | Get Average Frame Size | ${frame_size} | ${overhead} -| | ${rate} = | Evaluate | ${bps_limit} / ((${avg_swo} + 20.0) * 8) -| | ${max_rate} = | Set Variable If | ${rate} > ${pps_limit} -| | ... | ${pps_limit} | ${rate} -| | Set Test Variable | \${max_rate} -| | Set Jumbo - -| Set Jumbo -| | [Documentation] -| | ... | For jumbo frames detection, the maximal packet size is relevant, -| | ... | encapsulation overhead (if any) has effect. -| | -| | ... | This keyword computes jumbo boolean (some suites need that for -| | ... | configuration decisions). -| | ... | To streamline suite autogeneration, both input and output values -| | ... | are communicated as test (or broader scope) variables, -| | ... | instead of explicit arguments and return values. -| | -| | ... | *Test (or broader scope) variables read:* -| | ... | - overhead - Overhead in bytes; default value: 0. Type: integer -| | ... | - frame_size - L2 Frame Size [B] or IMIX string. Type: integer or -| | ... | string -| | -| | ... | *Test variables set:* -| | ... | - jumbo - Jumbo boolean, true if jumbo packet support has to be -| | ... | enabled. Type: boolean -| | -| | ... | *Example:* -| | -| | ... | \| Set Jumnbo \| -| | -| | ${overhead} = | Set Variable If | ${overhead} >= 0 | ${overhead} | ${0} -| | ${max_swo} = | Get Maximum Frame Size | ${frame_size} | ${overhead} -| | ${jumbo} = | Set Variable If | ${max_swo} < 1522 -| | ... | ${False} | ${True} -| | Set Test Variable | \${jumbo} |