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+# Copyright (c) 2023 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.
+
+---
+
+$id: https://fd.io/FIXME/CSIT/UTI/test_case/info/1.4.0
+$schema: https://json-schema.org/draft/2020-12/schema
+description: >-
+ Schema for output of test case.
+allOf:
+- description: >-
+ The main structure, without conditional relations between fields yet.
+ type: object
+ additionalProperties: false
+ properties:
+ duration:
+ description: >-
+ A derived quantity. Difference between start_time and end_time,
+ in seconds.
+ $ref: "#/$defs/types/nonnegative_number"
+ dut_type:
+ description: >-
+ DUT type used, e.g. VPP or DPDK.
+ type: string
+ minLength: 1
+ dut_version:
+ description: >-
+ Version string appropriate to DUT type used.
+ type: string
+ minLength: 1
+ end_time:
+ description: >-
+ UTC date and time in RFC 3339 format, specifying calendar time
+ just before test case ended (at the end of test case teardown).
+ $ref: "#/$defs/types/date_time"
+ hosts:
+ description: >-
+ Array of hosts this test interacted with.
+ This can be used for identifying testbed number.
+ Valid tests shoud interact with at least one DUT or TG.
+ The array is usually sorted, but that is not a requirement.
+ type: array
+ minItems: 1
+ items:
+ description: >-
+ Host identifier, usually numeric IPv4 address.
+ type: string
+ telemetry:
+ description: >-
+ Array of telemetry entries. Each entry represent one captured
+ metric.
+ type: array
+ minItems: 0
+ items:
+ description: >-
+ Telemetry entry.
+ type: string
+ message:
+ description: >-
+ If passed is true, this value is empty.
+ Otherwise, value taken directly from TEST_MESSAGE
+ Robot variable, read at the end of test case
+ (in test teardown, before export and validation).
+ It contains information from the exception
+ that caused the failure, probably with additional
+ exceptions from teardown keywords.
+ type: string
+ passed:
+ description: >-
+ Value set accordingly to TEST_STATUS Robot variable,
+ true if and only if the status is "PASS".
+ The status is read at the end of test case
+ (in test teardown, before export and validation).
+ type: boolean
+ result:
+ type: object
+ allOf:
+ - description: >-
+ Sub-schema common for all cases,
+ only result type identifier defined here.
+ properties:
+ type:
+ description: >-
+ Identifier of which result type case is applied.
+ type: string
+ required:
+ - type
+ - oneOf:
+ - description: >-
+ Result type for unknown case.
+ This case represents a test with no specific result
+ (outside message), e.g. device test;
+ or a test with result not parsed into
+ this version of model yet, e.g. GSO test.
+ additionalProperties: false
+ properties:
+ type:
+ const: unknown
+ - description: >-
+ Result type MRR case.
+ additionalProperties: false
+ properties:
+ type:
+ const: mrr
+ receive_rate:
+ description: >-
+ The results refer to receive rates for multiple
+ MRR trials. For PPS, these are aggregate
+ (bidirectional) rates.
+ Currently, the tests are exporting
+ approximated receive rates.
+ That means the actual trial duration
+ is measured (as opposed to trusting traffic
+ generator to honor its target duration),
+ so the resulting values contain noise
+ from time measurement, and can be lower
+ than the real performance
+ (due to various time overheads).
+ Bandwidth values are supported, but currently
+ Robot does not export them.
+ $ref: "#/$defs/types/rate_list_with_bandwidth"
+ required:
+ - type
+ - receive_rate
+ - description: >-
+ Result type NDRPDR case.
+ additionalProperties: false
+ properties:
+ type:
+ const: ndrpdr
+ ndr:
+ description: >-
+ The results refer to search for NDR
+ (Non Drop Rate). For PPS, this is aggregate
+ (bidirectional) rate.
+ Each bound was used as the target load value
+ in a full-duration trial measurement.
+ The accepted loss ratio for NDR is exact zero.
+ Note that packets the Traffic Generator
+ did not send are also counted as lost packets.
+ $ref: "#/$defs/macros/lower_and_upper_rate"
+ pdr:
+ description: >-
+ The results refer to search for PDR
+ (Partial Drop Rate). For PPS, this is aggregate
+ (bidirectional) rate.
+ Each bound was used as the target load value
+ in a full-duration trial measurement.
+ The accepted loss ratio for PDR is 0.5%.
+ Note that packets the Traffic Generator
+ did not send are also counted as lost packets.
+ $ref: "#/$defs/macros/lower_and_upper_rate"
+ latency_forward:
+ description: >-
+ Object with results related to latency part
+ of NDRPDR test, for forward traffic direction.
+ It is the direction used in unidirectional
+ traffic profiles.
+ ASTF profiles and IMIX STL profiles
+ do not support latency information,
+ so for those tests this object is missing.
+ It is also missing if Traffic Generator
+ fails to return valid latency results
+ for any other reasons,
+ e.g. latency rate is too high for CPU/NIC used.
+ $ref: "#/$defs/macros/latency_for_loads"
+ latency_reverse:
+ description: >-
+ Object with results related to latency part
+ of NDRPDR test, for reverse traffic diration.
+ This object is not present
+ when unidirectional traffic profiles are used.
+ ASTF profiles and IMIX STL profiles
+ do not support latency information,
+ so for those tests this object is missing.
+ It is also missing if Traffic Generator
+ fails to return valid latency results
+ for any other reasons,
+ e.g. latency rate is too high for CPU/NIC used.
+ $ref: "#/$defs/macros/latency_for_loads"
+ required:
+ - type
+ - ndr
+ - pdr
+ - description: >-
+ Result type SOAK case.
+ additionalProperties: false
+ properties:
+ type:
+ const: soak
+ critical_rate:
+ description: >-
+ The results refer to bayesian estimate
+ of critical rate corresponding to
+ average loss ratio of 10^-7.
+ For PPS, this is aggregate (bidirectional) rate.
+ The bounds are computed from
+ trial measurement results,
+ but are not equal to any target load used.
+ Note that packets the Traffic Generator
+ did not send are also counted as lost packets.
+ $ref: "#/$defs/macros/lower_and_upper_rate"
+ required:
+ - type
+ - critical_rate
+ - description: >-
+ Result type RECONF case.
+ additionalProperties: false
+ properties:
+ type:
+ const: reconf
+ aggregate_rate:
+ description: >-
+ Load used when reconfiguring, found as NDR lower
+ bound. This is an aggregate (bidirectional)
+ rate. Note that packets which the Traffic
+ Generator did not send, are also counted as lost
+ packets.
+ $ref: "#/$defs/types/rate_with_bandwidth"
+ loss:
+ description: >-
+ Number of packets lost during reconfiguration,
+ with the time that equals packet loss divided by
+ packet rate.
+ $ref: "#/$defs/types/packet_with_time"
+ required:
+ - type
+ - loss
+ - aggregate_rate
+ - description: >-
+ Result type HOSTSTACK case.
+ additionalProperties: false
+ properties:
+ type:
+ const: hoststack
+ bandwidth:
+ description: >-
+ Goodput measured in bits per second.
+ $ref: "#/$defs/types/bandwidth"
+ completed_requests:
+ description: >-
+ Number of completed requests.
+ $ref: "#/$defs/types/count_requests"
+ failed_requests:
+ description: >-
+ Number of failed requests.
+ $ref: "#/$defs/types/count_requests"
+ retransmits:
+ description: >-
+ Number of retransmits.
+ $ref: "#/$defs/types/count_packets"
+ latency:
+ description: >-
+ Value and unit of latency.
+ $ref: "#/$defs/types/value_with_unit"
+ duration:
+ description: >-
+ The relative time difference (in seconds)
+ between program start and end.
+ $ref: "#/$defs/types/time_quantity"
+ rate:
+ description: >-
+ RPS or CPS rate, with corresponding unit, as
+ reported by TG.
+ $ref: "#/$defs/types/rate_without_bandwidth"
+ required:
+ - type
+ - bandwidth
+ start_time:
+ description: >-
+ UTC date and time in RFC 3339 format, specifying calendar time
+ just after test case started (at the start of test setup).
+ $ref: "#/$defs/types/date_time"
+ tags:
+ description: >-
+ The list of strings comes directly
+ from Robot variable TEST_TAGS.
+ The content should include both static and dynamic tags
+ at the end of test case (teardown).
+ type: array
+ items:
+ type: string
+ test_documentation:
+ description: >-
+ Value taken directly from TEST_DOCUMENTATION Robot variable.
+ The content is what you see in suite file
+ at test case definition, which is usually empty
+ as CSIT uses data driven test cases.
+ type: string
+ test_id:
+ description: >-
+ A derived quantity.
+ It is the most complete and unique identifier for a test case.
+ This property has a value, of the following form:
+ {suite_name}.{test_name}
+ Here, suite name comes from SUITE_NAME robot variable,
+ test name comes from TEST_NAME robot variable,
+ but both are converted to lower case,
+ and spaces are replaced by underscores.
+ type: string
+ minLength: 3
+ test_name_long:
+ description: >-
+ A derived quantity.
+ This property has a value, of the following form:
+ {nic_short_name}-{frame_size}-{threads_and_cores}-{suite_part}
+ Here, suite part is very similar to suite tag,
+ but additionally may contain a prefix describing NIC driver used
+ (if it is not the default one, drv_vfio_pci for VPP tests).
+ Any space is replaced by underscore and letters are lower case.
+ type: string
+ minLength: 3
+ test_name_short:
+ description: >-
+ A derived quantity.
+ This property has a value very similar to suite tag,
+ but additionally may contain a prefix describing NIC driver used
+ (if it is not the default one, drv_vfio_pci for VPP tests).
+ Any space is replaced by underscore and letters are lower case.
+ type: string
+ minLength: 3
+ test_type:
+ description: >-
+ A derived quantity.
+ Test type identifier, PAL uses it to group similar tests,
+ e.g. for comparison tables.
+ Ideally, this information should be parseable from test name,
+ but the current naming scheme is not simple/consistent enough.
+ The current implementation queries the robot test tags.
+ The resulting value is frequently identical to result type,
+ but this schema version does not require any relation there,
+ as PAL may want to group tests differently.
+ type: string
+ enum:
+ - device
+ - gso
+ - hoststack
+ - mrr
+ - ndrpdr
+ - reconf
+ - soak
+ tg_type:
+ description: >-
+ TG type used, e.g. TREX.
+ type: string
+ minLength: 1
+ tg_version:
+ description: >-
+ Version string appropriate to TG type used.
+ type: string
+ minLength: 1
+ version:
+ description: >-
+ CSIT model version (semver format)
+ the exporting code adhered to.
+ type: string
+ const: 1.4.0
+ required:
+ - duration
+ - dut_type
+ - dut_version
+ - end_time
+ - hosts
+ - telemetry
+ - message
+ - passed
+ - result
+ - start_time
+ - tags
+ - test_documentation
+ - test_id
+ - test_name_long
+ - test_name_short
+ - test_type
+ - tg_type
+ - tg_version
+ - version
+- description: >-
+ Subschema validating relation between status and message.
+ oneOf:
+ - description: >-
+ Subschema for passing tests, message has to be empty.
+ type: object
+ properties:
+ passed:
+ const: true
+ message:
+ const: ""
+ - description: >-
+ Subschema for failing tests, mesage cannot be empty.
+ type: object
+ properties:
+ passed:
+ const: false
+ message:
+ minLength: 1
+
+$defs:
+ types:
+ nonnegative_number:
+ type: number
+ minimum: 0
+ positive_number:
+ type: number
+ minimum: 1
+ nonnegative_integer:
+ type: integer
+ minimum: 0
+ positive_integer:
+ type: integer
+ minimum: 1
+ date_time:
+ type: string
+ format: date-time
+ empty_array:
+ type: array
+ maxItems: 0
+ rate_unit:
+ description: >-
+ Packets per second (pps),
+ connections per second (cps),
+ requests per second (rps).
+ type: string
+ enum:
+ - pps
+ - cps
+ - rps
+ bandwidth_unit:
+ description: >-
+ Unit of measurement for bandwidth values.
+ Currently a constant, but later versions of model
+ may allow more units.
+ enum:
+ - bps
+ count_packets:
+ description: >-
+ Type, for counting packets.
+ allOf:
+ - $ref: "#/$defs/types/value_with_unit"
+ - properties:
+ value:
+ description: >-
+ A number of packets of interest.
+ unit:
+ description: >-
+ Unit suitable for displaying packet counts.
+ enum:
+ - packets
+ count_requests:
+ description: >-
+ Type, for counting requests.
+ allOf:
+ - $ref: "#/$defs/types/value_with_unit"
+ - properties:
+ value:
+ description: >-
+ A number of requests of interest.
+ unit:
+ description: >-
+ Unit suitable for displaying request counts.
+ enum:
+ - requests
+ time_quantity:
+ description: >-
+ Reusable type, for various time quantites.
+ allOf:
+ - $ref: "#/$defs/types/value_with_unit"
+ - properties:
+ value:
+ description: >-
+ Unless specified otherwise, this is a duration
+ between two events.
+ unit:
+ description: >-
+ Only seconds are the unit supported for time
+ quantities.
+ enum:
+ - s
+ value_with_unit:
+ description: >-
+ Reusable composite type, value together with its
+ unit of measurement.
+ type: object
+ additionalProperties: false
+ properties:
+ value:
+ description: >-
+ Numeric value, context specified elsewhere.
+ The only assumption is that value is not negative.
+ $ref: "#/$defs/types/nonnegative_number"
+ unit:
+ description: >-
+ Unit of measurement for the value.
+ Context and allowed values are specified elsewhere.
+ type: string
+ required:
+ - value
+ - unit
+ rate_without_bandwidth:
+ description: >-
+ Reusable type, for various rate quantites.
+ allOf:
+ - $ref: "#/$defs/types/value_with_unit"
+ - properties:
+ value:
+ description: >-
+ Unless specified otherwise,
+ this is the aggregated rate
+ (sum of both traffic directions).
+ Depending on the usage, the value can express
+ intended load, offered load, receive rate,
+ and various approximations
+ or estimated bounds thereof.
+ unit:
+ description: >-
+ A transaction rate unit the value is expressed in.
+ $ref: "#/$defs/types/rate_unit"
+ bandwidth:
+ description: >-
+ Reusable type, for various bandwidth quantites.
+ allOf:
+ - $ref: "#/$defs/types/value_with_unit"
+ - properties:
+ value:
+ description: >-
+ Bandwidth value computed from the corresponding
+ rate.
+ unit:
+ $ref: "#/$defs/types/bandwidth_unit"
+ rate_with_bandwidth:
+ description: >-
+ Reusable composite type, joining primary rate
+ with optional derived bandwidth.
+ Not all test types currently compute bandwidth,
+ even if rate unit is pps.
+ type: object
+ additionalProperties: false
+ properties:
+ rate:
+ $ref: "#/$defs/types/rate_without_bandwidth"
+ bandwidth:
+ $ref: "#/$defs/types/bandwidth"
+ required:
+ - rate
+ packet_with_time:
+ description: >-
+ Reusable composite type, joining packet count with the
+ time quantity.
+ type: object
+ additionalProperties: false
+ properties:
+ packet:
+ $ref: "#/$defs/types/count_packets"
+ time:
+ $ref: "#/$defs/types/time_quantity"
+ required:
+ - packet
+ - time
+ value_list_with_unit_and_stats:
+ description: >-
+ Reusable composite type, multiple values together with their
+ unit of measurement and derived statistics.
+ type: object
+ additionalProperties: false
+ properties:
+ values:
+ description: >-
+ List of values of the same unit, useful for MRR.
+ type: array
+ minItmes: 1
+ items:
+ description: >-
+ Numeric value, context specified elsewhere. The only
+ assumption is that the value is nonnegative.
+ $ref: "#/$defs/types/nonnegative_number"
+ avg:
+ description: >-
+ A derived quantity. It is the arithmetic average of the
+ values list.
+ $ref: "#/$defs/types/nonnegative_number"
+ stdev:
+ description: >-
+ A derived quantity. It is the standard deviation for the
+ values list, as computed by jumpavg library.
+ $ref: "#/$defs/types/nonnegative_number"
+ unit:
+ description: >-
+ Unit of measurement for the values.
+ Context and allowed values are specified elsewhere.
+ type: string
+ required:
+ - values
+ - avg
+ - stdev
+ - unit
+ rate_list_without_bandwidth:
+ description: >-
+ Reusable composite type, multiple rate values.
+ allOf:
+ - $ref: "#/$defs/types/value_list_with_unit_and_stats"
+ - properties:
+ values:
+ items:
+ description: >-
+ Unless specified otherwise,
+ this is the aggregated rate
+ (sum of both traffic directions).
+ Depending on the usage, the value can express
+ intended load, offered load, receive rate,
+ and various approximations or estimated bounds
+ thereof.
+ unit:
+ $ref: "#/$defs/types/rate_unit"
+ bandwidth_list:
+ description: >-
+ Reusable composite type, multiple bandwidth values. This is a
+ derived quantity.
+ allOf:
+ - $ref: "#/$defs/types/value_list_with_unit_and_stats"
+ - properties:
+ values:
+ items:
+ description: >-
+ Unless specified otherwise,
+ this is the aggregated bandwidth
+ (sum of both traffic directions).
+ Depending on the usage, the value can express
+ intended load, offered load, receive rate,
+ and various approximations or estimated bounds
+ thereof.
+ unit:
+ $ref: "#/$defs/types/bandwidth_unit"
+ rate_list_with_bandwidth:
+ description: >-
+ Reusable composite type, joining primary rates
+ with optional derived bandwidths (and stats).
+ No test types currently computes the bandwidth part.
+ type: object
+ additionalProperties: false
+ properties:
+ rate:
+ $ref: "#/$defs/types/rate_list_without_bandwidth"
+ bandwidth:
+ $ref: "#/$defs/types/bandwidth_list"
+ required:
+ - rate
+ macros:
+ lower_and_upper_rate:
+ type: object
+ additionalProperties: false
+ properties:
+ lower:
+ description: >-
+ The lower bound (or min_rate) for the estimate
+ of a particular searched value.
+ $ref: "#/$defs/types/rate_with_bandwidth"
+ upper:
+ description: >-
+ The upper bound (or max_rate) for the estimate
+ of a particular searched value.
+ $ref: "#/$defs/types/rate_with_bandwidth"
+ required:
+ - lower
+ - upper
+ latency_numbers:
+ type: object
+ additionalProperties: false
+ properties:
+ min:
+ description: >-
+ Rounded minimal latency time measured in this trial.
+ See unit property for the unit of measurement.
+ $ref: "#/$defs/types/nonnegative_integer"
+ max:
+ description: >-
+ Rounded maximal latency time measured in this trial.
+ See unit property for the unit of measurement.
+ Zero value is not allowed, as that is one of symptoms
+ of Traffic Generator failing to get proper latency.
+ $ref: "#/$defs/types/positive_integer"
+ avg:
+ description: >-
+ Rounded average latency time measured in this trial.
+ See unit property for the unit of measurement.
+ $ref: "#/$defs/types/nonnegative_integer"
+ hdrh:
+ description: >-
+ Base64-encoded compressed representation of HDRHistogram
+ of all latency sample times encountered
+ in this latency trial.
+ See unit property for the unit of measurement.
+ Note that some bins can be several units wide.
+ type: string
+ unit:
+ description: >-
+ Unit of measurement for latency times.
+ Currently a constant, but later versions
+ of the model may allow more values.
+ type: string
+ enum:
+ - us
+ required:
+ - avg
+ - hdrh
+ - max
+ - min
+ - unit
+ latency_for_loads:
+ type: object
+ additionalProperties: false
+ properties:
+ pdr_0:
+ description: >-
+ Object related to latency measurement performed
+ at minimal rate (currently 9000 pps per direction).
+ $ref: "#/$defs/macros/latency_numbers"
+ pdr_10:
+ description: >-
+ Object related to latency measurement performed
+ at 10% of PDR lower bound, if needed rounded up
+ to minimal rate (currently 9000 pps per direction).
+ $ref: "#/$defs/macros/latency_numbers"
+ pdr_50:
+ description: >-
+ Object related to latency measurement performed
+ at 50% of PDR lower bound, if needed rounded up
+ to minimal rate (currently 9000 pps per direction).
+ $ref: "#/$defs/macros/latency_numbers"
+ pdr_90:
+ description: >-
+ Object related to latency measurement performed
+ at 90% of PDR lower bound, if needed rounded up
+ to minimal rate (currently 9000 pps per direction).
+ $ref: "#/$defs/macros/latency_numbers"
+ required:
+ - pdr_0
+ - pdr_10
+ - pdr_50
+ - pdr_90