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Project to help compare benchmark result data and system metric data provided from benchmark run.

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Touchstone

Touchstone is a framework written in python that provides you an apples to apples comparison between 2 similar datasets.

Usage

It is suggested to use a venv to install and run touchstone.

python -m venv /virtual/environment
source /virtual/environment/bin/activate
git clone https://github.com/cloud-bulldozer/benchmark-comparison
cd benchmark-comparison
python setup.py develop
touchstone_compare -h
usage: touchstone_compare [-h] [--version] [--database {elasticsearch}] [--identifier-key IDENTIFIER] -u UUID [UUID ...] [-a ALIASES [ALIASES ...]] [-o {json,yaml,csv}] --config CONFIG [--output-file OUTPUT_FILE]
                          [--tolerancy-rules TOLERANCY_RULES] [--rc RC] -url CONN_URL [CONN_URL ...] [-v] [-vv]
compare results from benchmarks

optional arguments:
  -h, --help            show this help message and exit
  --version             show program's version number and exit
  --database {elasticsearch}
                        the type of database data is stored in
  --identifier-key IDENTIFIER
                        identifier key name(default: uuid)
  -u UUID [UUID ...], --uuid UUID [UUID ...]
                        identifier values to fetch results and compare
  -o {json,yaml,csv}, --output {json,yaml,csv}
                        How should touchstone output the result
  --config CONFIG       Touchstone configuration file
  --output-file OUTPUT_FILE
                        Redirect output of json/csv/yaml to file
  --tolerancy-rules TOLERANCY_RULES
                        Path to tolerancy rules configuration
  -url CONN_URL [CONN_URL ...], --connection-url CONN_URL [CONN_URL ...]
                        the database connection strings in the same order as the uuids
  -v, --verbose         set loglevel to INFO
  -vv, --very-verbose   set loglevel to DEBUG

Touchstone uses a json configuration to describe how to perform the comparisons. This file has the following shape:

{"elasticsearch": {
   "ES-INDEX": [
      {
        "filter": {"foo": "bar"},
        "exclude": {"exclude": "me"},
        "buckets": [
          "list",
          "of",
          "buckets"
        ],
        "metric_aggregations": {
          "field_name": ["max", "avg", {"percentiles": {"percents": [90, 99]}}]
        }
      }
    ]
  }
}

Where:

  • ES-INDEX: Points to the ElasticSearch index name to look documents from.
  • filter: Contains a dictionary of valid ES term filter expression. e.g. {"test_type.keyword": "stream"}
  • exclude: Contains a dictionary of valid ES exclude expressions. e.g. {"message_size": 1024}
  • buckets: List of buckets to aggregate metrics into. ["test_type", "protocol", "message_size"]. Find more info about bucket aggregation in the official ES docs
  • aggregations: List of metric aggregations to get from a certain field (field_name in the example above). e.g.["avg", "min"] Find more info about supported metric aggregations in ES in it's official doc site

There're some configuration files in the config directory, these configuration files have been tested with metrics indexed using benchmark-wrapper. However it's possible to build a custom configuration file able to get metrics from other indexers. To do so these documents just need to to have a UUID or other field to allow touchstone identify them.

Comparing different UUIDs

touchstone is able to compare different UUIDs with similar datasets indexed in the same or different ES instances. You can use a line similar to the following:

# Comparing metrics indexed in the same ES instance
$ touchstone_compare -url <ES_INSTANCE-1> -u <UUID-1> <UUID-2> <UUID-n> --config config.json

# Comparing metrics indexed in different ES instance
$ touchstone_compare -url <ES_INSTANCE-1> <ES_INSTANCE-2> <ES_INSTANCE-n> -u <UUID-1> <UUID-2> <UUID-n> --config config.json

Metadata comparison

In adition to fetch and/or compare metrics, touchstone is able to do the same with metadata extracted with stockpile. This metadata comparison can be useful to have an improved context of the SUT.

Metadata comparison is configured through the metadata field in the touchstone configuration:

{
    "elasticsearch": {
        "metadata": {
            "ES-INDEX": {
                "fields": ["field1", "nested.field"],
                "additional_fields": ["additional_field"]
            }
        }
    }
}

From above:

  • ES-INDEX: should be a Valid ES index name where metadata is indexed.
  • fields: List of metadata fields to compare.
  • additional_fields: List of additional fields to include in each metadata field.

The snippet below shows part of the output of executing a comparison using one of the uperf configuration files available in this repository.

$ touchstone_compare -url https://my-es-instance.com:9200 -u ec7f0cfb-0812-57ab-8905-fd6ddaacf593 975fa650-aeb2-5042-8517-fe277d7cb1f3  --config config/uperf.json
+------------------------------------------+--------------------+--------------------------------------+-----------------------------------------------+
|                 pod_name                 |      metadata      |                 uuid                 |                     value                     |
+------------------------------------------+--------------------+--------------------------------------+-----------------------------------------------+
| uperf-client-10.131.0.169-ec7f0cfb-k5gb4 |  value.Model name  | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 | Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz |
| uperf-client-10.131.0.169-ec7f0cfb-k5gb4 | value.Architecture | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 |                    x86_64                     |
| uperf-client-10.131.0.169-ec7f0cfb-k5gb4 |    value.CPU(s)    | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 |                       8                       |
| uperf-client-10.131.0.168-ec7f0cfb-txbq9 |  value.Model name  | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 | Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz |
| uperf-client-10.131.0.168-ec7f0cfb-txbq9 | value.Architecture | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 |                    x86_64                     |
| uperf-client-10.131.0.168-ec7f0cfb-txbq9 |    value.CPU(s)    | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 |                       8                       |
| uperf-client-10.131.0.167-ec7f0cfb-jl5hs |  value.Model name  | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 | Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz |
| uperf-client-10.131.0.167-ec7f0cfb-jl5hs | value.Architecture | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 |                    x86_64                     |
| uperf-client-10.131.0.167-ec7f0cfb-jl5hs |    value.CPU(s)    | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 |                       8                       |
| uperf-client-10.131.0.170-ec7f0cfb-58rrd |  value.Model name  | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 | Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz |
| uperf-client-10.131.0.170-ec7f0cfb-58rrd | value.Architecture | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 |                    x86_64                     |
| uperf-client-10.131.0.170-ec7f0cfb-58rrd |    value.CPU(s)    | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 |                       8                       |
| uperf-client-10.131.0.162-975fa650-tls42 |  value.Model name  | 975fa650-aeb2-5042-8517-fe277d7cb1f3 | Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz |
| uperf-client-10.131.0.162-975fa650-tls42 | value.Architecture | 975fa650-aeb2-5042-8517-fe277d7cb1f3 |                    x86_64                     |
| uperf-client-10.131.0.162-975fa650-tls42 |    value.CPU(s)    | 975fa650-aeb2-5042-8517-fe277d7cb1f3 |                       8                       |
| uperf-client-10.131.0.159-975fa650-lnq2k |  value.Model name  | 975fa650-aeb2-5042-8517-fe277d7cb1f3 | Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz |
| uperf-client-10.131.0.159-975fa650-lnq2k | value.Architecture | 975fa650-aeb2-5042-8517-fe277d7cb1f3 |                    x86_64                     |
| uperf-client-10.131.0.159-975fa650-lnq2k |    value.CPU(s)    | 975fa650-aeb2-5042-8517-fe277d7cb1f3 |                       8                       |
| uperf-client-10.131.0.161-975fa650-zj245 |  value.Model name  | 975fa650-aeb2-5042-8517-fe277d7cb1f3 | Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz |
| uperf-client-10.131.0.161-975fa650-zj245 | value.Architecture | 975fa650-aeb2-5042-8517-fe277d7cb1f3 |                    x86_64                     |
| uperf-client-10.131.0.161-975fa650-zj245 |    value.CPU(s)    | 975fa650-aeb2-5042-8517-fe277d7cb1f3 |                       8                       |
| uperf-client-10.131.0.160-975fa650-6pfhc |  value.Model name  | 975fa650-aeb2-5042-8517-fe277d7cb1f3 | Intel(R) Xeon(R) Platinum 8175M CPU @ 2.50GHz |
| uperf-client-10.131.0.160-975fa650-6pfhc | value.Architecture | 975fa650-aeb2-5042-8517-fe277d7cb1f3 |                    x86_64                     |
| uperf-client-10.131.0.160-975fa650-6pfhc |    value.CPU(s)    | 975fa650-aeb2-5042-8517-fe277d7cb1f3 |                       8                       |
+------------------------------------------+--------------------+--------------------------------------+-----------------------------------------------+
+------------------------------------------+----------------+--------------------------------------+-------------+
|                 pod_name                 |    metadata    |                 uuid                 |    value    |
+------------------------------------------+----------------+--------------------------------------+-------------+
| uperf-client-10.131.0.167-ec7f0cfb-jl5hs | value.MemTotal | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 | 32105908 kB |
| uperf-client-10.131.0.168-ec7f0cfb-txbq9 | value.MemTotal | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 | 32105908 kB |
| uperf-client-10.131.0.169-ec7f0cfb-k5gb4 | value.MemTotal | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 | 32105908 kB |
| uperf-client-10.131.0.170-ec7f0cfb-58rrd | value.MemTotal | ec7f0cfb-0812-57ab-8905-fd6ddaacf593 | 32105908 kB |
| uperf-client-10.131.0.162-975fa650-tls42 | value.MemTotal | 975fa650-aeb2-5042-8517-fe277d7cb1f3 | 32105908 kB |
| uperf-client-10.131.0.161-975fa650-zj245 | value.MemTotal | 975fa650-aeb2-5042-8517-fe277d7cb1f3 | 32105908 kB |
| uperf-client-10.131.0.159-975fa650-lnq2k | value.MemTotal | 975fa650-aeb2-5042-8517-fe277d7cb1f3 | 32105908 kB |
| uperf-client-10.131.0.160-975fa650-6pfhc | value.MemTotal | 975fa650-aeb2-5042-8517-fe277d7cb1f3 | 32105908 kB |
+------------------------------------------+----------------+--------------------------------------+-------------+
+-----------+----------+--------------+-------------+----------------+--------------------+--------------------+
| test_type | protocol | message_size | num_threads |     metric     |    OpenShiftSDN    |        OVN         |
+-----------+----------+--------------+-------------+----------------+--------------------+--------------------+
|  stream   |   udp    |     1024     |      1      | max(norm_byte) |    196689920.0     |    196689920.0     |
|  stream   |   udp    |     1024     |      1      | avg(norm_byte) | 178356565.33333334 | 178356565.33333334 |
|  stream   |   udp    |      64      |      1      | max(norm_byte) |     12478464.0     |     12478464.0     |
|  stream   |   udp    |      64      |      1      | avg(norm_byte) | 11226859.705146037 | 11226859.705146037 |
|  stream   |   udp    |    16384     |      1      | max(norm_byte) |    1274544128.0    |    1274544128.0    |
|  stream   |   udp    |    16384     |      1      | avg(norm_byte) | 1128798626.714882  | 1128798626.714882  |
|  stream   |   tcp    |      64      |      1      | max(norm_byte) |     75060224.0     |     75060224.0     |
|  stream   |   tcp    |      64      |      1      | avg(norm_byte) | 69679493.68888889  | 69679493.68888889  |
|  stream   |   tcp    |    16384     |      1      | max(norm_byte) |    617873408.0     |    617873408.0     |
|  stream   |   tcp    |    16384     |      1      | avg(norm_byte) | 316504790.22531295 | 316504790.22531295 |
|  stream   |   tcp    |     1024     |      1      | max(norm_byte) |    619380736.0     |    619380736.0     |
|  stream   |   tcp    |     1024     |      1      | avg(norm_byte) | 315166389.10167134 | 315166389.10167134 |
+-----------+----------+--------------+-------------+----------------+--------------------+--------------------+
+-----------+----------+--------------+-------------+----------------------------+--------------------+--------------------+
| test_type | protocol | message_size | num_threads |           metric           |    OpenShiftSDN    |        OVN         |
+-----------+----------+--------------+-------------+----------------------------+--------------------+--------------------+
|    rr     |   tcp    |      64      |      1      |       max(norm_ops)        |       3764.0       |       3764.0       |
|    rr     |   tcp    |      64      |      1      |       avg(norm_ops)        | 3589.5194444444446 | 3589.5194444444446 |
|    rr     |   tcp    |      64      |      1      | 99.0percentiles(norm_ltcy) | 346.40508117675773 | 346.40508117675773 |
|    rr     |   tcp    |      64      |      1      |       avg(norm_ltcy)       | 280.28243395487465 | 280.28243395487465 |
|    rr     |   tcp    |     1024     |      1      |       max(norm_ops)        |       3708.0       |       3708.0       |
|    rr     |   tcp    |     1024     |      1      |       avg(norm_ops)        | 3529.961111111111  | 3529.961111111111  |
|    rr     |   tcp    |     1024     |      1      | 99.0percentiles(norm_ltcy) | 351.03181762695306 | 351.03181762695306 |
|    rr     |   tcp    |     1024     |      1      |       avg(norm_ltcy)       | 285.12439528571235 | 285.12439528571235 |
|    rr     |   tcp    |    16384     |      1      |       max(norm_ops)        |       3318.0       |       3318.0       |
|    rr     |   tcp    |    16384     |      1      |       avg(norm_ops)        | 3168.488888888889  | 3168.488888888889  |
|    rr     |   tcp    |    16384     |      1      | 99.0percentiles(norm_ltcy) | 392.5337493896483  | 392.5337493896483  |
|    rr     |   tcp    |    16384     |      1      |       avg(norm_ltcy)       | 317.63111754523385 | 317.63111754523385 |
|    rr     |   udp    |      64      |      1      |       max(norm_ops)        |       3788.0       |       3788.0       |
|    rr     |   udp    |      64      |      1      |       avg(norm_ops)        | 3579.760778859527  | 3579.760778859527  |
|    rr     |   udp    |      64      |      1      | 99.0percentiles(norm_ltcy) | 361.8567254638668  | 361.8567254638668  |
|    rr     |   udp    |      64      |      1      |       avg(norm_ltcy)       | 281.3683704275415  | 281.3683704275415  |
|    rr     |   udp    |     1024     |      1      |       max(norm_ops)        |       3772.0       |       3772.0       |
|    rr     |   udp    |     1024     |      1      |       avg(norm_ops)        | 3629.2670375521557 | 3629.2670375521557 |
|    rr     |   udp    |     1024     |      1      | 99.0percentiles(norm_ltcy) | 331.14006347656243 | 331.14006347656243 |
|    rr     |   udp    |     1024     |      1      |       avg(norm_ltcy)       | 277.26350731776716 | 277.26350731776716 |
|    rr     |   udp    |    16384     |      1      |       max(norm_ops)        |       3256.0       |       3256.0       |
|    rr     |   udp    |    16384     |      1      |       avg(norm_ops)        | 3147.229485396384  | 3147.229485396384  |
|    rr     |   udp    |    16384     |      1      | 99.0percentiles(norm_ltcy) | 392.8086782836913  | 392.8086782836913  |
|    rr     |   udp    |    16384     |      1      |       avg(norm_ltcy)       | 319.65084329533477 | 319.65084329533477 |
+-----------+----------+--------------+-------------+----------------------------+--------------------+--------------------+

Comparing on a specific identifier

You can also now compare against identifiers other than the uuid key, so for example if you'd like to compare using the key cluster_name you can do so by using the --identifier-key argument and run as follows:

$ touchstone_compare --url https://es.instance:443 -u cnvcluster minikube --identifier-key cluster_name

Note: If the identifier is same for 2 or more uuids, then all of the results will be taken into consideration while computing aggregations, so please use with caution.

Using tolerations

touchstone ships a metric toleration evaluation mechanism. This functionallity allows touchstone to detect regressions in metrics. This feature can be enabled with the flag --tolerancy-rules which points to a tolerancy configuration file that looks like:

- json_path: ["test_type", "stream", "protocol", "*", "message_size", "*", "num_threads", "*", "avg(norm_byte)"]
  tolerancy: -15
  max_failures: 25
- json_path: ["test_type", "rr", "protocol", "*", "message_size", "*", "num_threads", "*", "99.0percentiles(norm_ltcy)"]
  tolerancy: 15
  max_failures: 25

This YAML file contains a list of dictionaries, where the json_path key is a list that indicates the path that will allow touchstone to find the metric values from a comparison. Wildcards can be used to match several keys at a certain level, and tolerancy defines the accepted tolerance percentage by the metrics matched by json_path. i.e a 10 would mean any metric 10% higher than the baseline metric will be considered an error, and -10 would mean the opposite, any metric at least 10% below the baseline value will be considered an error. The optional parameter max_failures indicates the allowed percentage of failures permitted to consider a benchmark comparison as passed, by default is 0, meaning that only one fail will make set the comparison as failed.

By default touchstone takes the first UUID passed as baseline. When touchstone finds a metric not meeting a configured tolerancy thresholds it returns 1.

When tolerancy evaluation is enabled, touchstone will output the results of the evaluation after the results:

$ touchstone_compare -url https://my-es.instance.com -u 975fa650-aeb2-5042-8517-fe277d7cb1f3 ec7f0cfb-0812-57ab-8905-fd6ddaacf593 --config=config/mb.json --tolerancy-rules=tolerancy-configs/mb.yaml --alias OpenShiftSDN OVN --rc=1
 --tolerancy-rules tolerancy-configs/mb.yaml
 +-----------+--------+----------------------+-----------+--------------------------+--------+-----------+--------------+----------+
 | test_type | routes | conn_per_targetroute | keepalive |          metric          | result | deviation | OpenShiftSDN |   OVN    |
 +-----------+--------+----------------------+-----------+--------------------------+--------+-----------+--------------+----------+
 |   http    |  100   |          1           |     0     | avg(requests_per_second) |  Pass  |  -13.69%  |   59251.0    | 51141.5  |
 |   http    |  100   |          1           |     1     | avg(requests_per_second) |  Pass  |  -6.37%   |   21802.5    | 20414.5  |
 |   http    |  100   |          1           |    50     | avg(requests_per_second) |  Fail  |  -17.30%  |   56382.5    | 46628.5  |
 |   http    |  100   |          40          |     0     | avg(requests_per_second) |  Pass  |  25.19%   |   104666.5   | 131030.5 |
 |   http    |  100   |          40          |     1     | avg(requests_per_second) |  Fail  |  -27.99%  |   41068.5    | 29573.5  |
 |   http    |  100   |          40          |    50     | avg(requests_per_second) |  Pass  |  -10.76%  |   160984.5   | 143668.0 |
 |   http    |  100   |         200          |     0     | avg(requests_per_second) |  Pass  |  -9.86%   |   140269.0   | 126443.5 |
 |   http    |  100   |         200          |     1     | avg(requests_per_second) |  Pass  |  30.15%   |   38852.0    | 50565.5  |
 |   http    |  100   |         200          |    50     | avg(requests_per_second) |  Pass  |  -11.89%  |   147645.5   | 130094.5 |
 +-----------+--------+----------------------+-----------+--------------------------+--------+-----------+--------------+----------+
 +-----------+--------+----------------------+-----------+--------------------------+--------+-----------+--------------+---------+
 | test_type | routes | conn_per_targetroute | keepalive |          metric          | result | deviation | OpenShiftSDN |   OVN   |
 +-----------+--------+----------------------+-----------+--------------------------+--------+-----------+--------------+---------+
 |   edge    |  100   |          1           |     0     | avg(requests_per_second) |  Pass  |  -14.61%  |   64454.5    | 55034.5 |
 |   edge    |  100   |          1           |     1     | avg(requests_per_second) |  Fail  |  -59.37%  |   16390.0    | 6659.0  |
 |   edge    |  100   |          1           |    50     | avg(requests_per_second) |  Fail  |  -24.41%  |   60963.0    | 46082.5 |
 |   edge    |  100   |          40          |     0     | avg(requests_per_second) |  Pass  |  -11.03%  |   93206.5    | 82922.5 |
 |   edge    |  100   |          40          |     1     | avg(requests_per_second) |  Fail  |  -60.53%  |   22190.5    | 8759.5  |
 |   edge    |  100   |          40          |    50     | avg(requests_per_second) |  Fail  |  -20.08%  |   90001.5    | 71932.5 |
 |   edge    |  100   |         200          |     0     | avg(requests_per_second) |  Pass  |  -3.41%   |   72936.0    | 70450.0 |
 |   edge    |  100   |         200          |     1     | avg(requests_per_second) |  Fail  |  -56.28%  |   19330.5    | 8451.5  |
 |   edge    |  100   |         200          |    50     | avg(requests_per_second) |  Pass  |  -11.42%  |   70538.0    | 62480.5 |
 +-----------+--------+----------------------+-----------+--------------------------+--------+-----------+--------------+---------+
$ echo $?
1
# If for example max_failures is 50, the benchmark will fail too, because the second block, (test_type: http) has more than 50% of failures.

Querying for raw data

Using the config file ocm-requests.json

$ touchstone_compare -url https://my-es-instance.com:9200 -u 975fa650-aeb2-5042-8517-fe277d7cb1f3  --config config/ocm-results.json
[
    {
        "test_name": "self-terms-review",
        "uuid": "aeed6306-b7e1-11eb-b313-e86a640406b2",
        "timestamp": "2021-05-18T19:44:08.826868032Z",
        "code": 200,
        "method": "POST",
        "url": "/api/authorizations/v1/self_terms_review",
        "latency_ns": 5153765154,
        "bytes_out": 0,
        "bytes_in": 139,
        "has_error": false,
        "has_body": true
    },
    {
        "test_name": "self-terms-review",
        "uuid": "aeed6306-b7e1-11eb-b313-e86a640406b2",
        "timestamp": "2021-05-18T19:44:12.026910285Z",
        "code": 200,
        "method": "POST",
        "url": "/api/authorizations/v1/self_terms_review",
        "latency_ns": 3883379506,
        "bytes_out": 0,
        "bytes_in": 139,
        "has_error": false,
        "has_body": true
    },
    {
        "test_name": "self-terms-review",
        "uuid": "aeed6306-b7e1-11eb-b313-e86a640406b2",
        "timestamp": "2021-05-18T19:44:13.3269087Z",
        "code": 200,
        "method": "POST",
        "url": "/api/authorizations/v1/self_terms_review",
        "latency_ns": 3145732320,
        "bytes_out": 0,
        "bytes_in": 139,
        "has_error": false,
        "has_body": true
    },
...
...
...
    {
        "test_name": "self-terms-review",
        "uuid": "aeed6306-b7e1-11eb-b313-e86a640406b2",
        "timestamp": "2021-05-18T19:49:09.626913447Z",
        "code": 0,
        "method": "POST",
        "url": "/api/authorizations/v1/self_terms_review",
        "latency_ns": 15068360575,
        "bytes_out": 0,
        "bytes_in": 0,
        "has_error": true,
        "has_body": false
    }
]

CodeStyling and Linting

Touchstone uses pre-commit framework to maintain the code linting and python code styling. The CI would run the pre-commit check on each pull request. We encourage our contributors to follow the same pattern, while contributing to the code.

The pre-commit configuration file is present in the repository .pre-commit-config.yaml It contains the different code styling and linting guide which we use for the application.

Following command can be used to run the pre-commit: pre-commit run --all-files

If pre-commit is not installed in your system, it can be install with : pip install pre-commit

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Project to help compare benchmark result data and system metric data provided from benchmark run.

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