prometheus

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 Go to latest Published: Oct 10, 2023 License: MIT Imports: 10 Imported by: 0

README

xk6-prometheus

A k6 extension implements Prometheus HTTP exporter as k6 output extension.

Using xk6-prometheus output extension you can collect metrics from long running k6 process with Prometheus. All custom k6 metrics (Counter,Gauge,Rate,Trend) and build-in metrics will be accessible as appropiate Prometheus metrics on a given HTTP port in Prometheus importable text format.

Built for k6 using xk6.

Download

You can download pre-built k6 binaries from Releases page. Check Packages page for pre-built k6 Docker images.

Build

You can build the k6 binary on various platforms, each with its requirements. The following shows how to build k6 binary with this extension on GNU/Linux distributions.

Prerequisites

You must have the latest Go version installed to build the k6 binary. The latest version should match k6 and xk6.

  • Git for cloning the project
  • xk6 for building k6 binary with extensions
Install and build the latest tagged version

  1. Install xk6:

    go install go.k6.io/xk6/cmd/xk6@latest

  2. Build the binary:

    xk6 build --with github.com/szkiba/xk6-prometheus@latest

Note You can always use the latest version of k6 to build the extension, but the earliest version of k6 that supports extensions via xk6 is v0.43.0. The xk6 is constantly evolving, so some APIs may not be backward compatible.

Build for development

If you want to add a feature or make a fix, clone the project and build it using the following commands. The xk6 will force the build to use the local clone instead of fetching the latest version from the repository. This process enables you to update the code and test it locally.

git clone git@github.com:szkiba/xk6-prometheus.git && cd xk6-prometheus
xk6 build --with github.com/szkiba/xk6-prometheus@latest=.

Docker

You can also use pre-built k6 image within a Docker container. In order to do that, you will need to execute something like the following:

Linux

docker run -v $(pwd):/scripts -it --rm ghcr.io/szkiba/xk6-prometheus:latest run -d 1m --out=prometheus /scripts/script.js

Windows

docker run -v %cd%:/scripts -it --rm ghcr.io/szkiba/xk6-prometheus:latest run -d 1m --out=prometheus /scripts/script.js

Usage

With defaults

Without parameters the Prometheus HTTP exporter will accessible on port 5656.

$ ./k6 run -d 1m --out prometheus script.js

          /\      |‾‾| /‾‾/   /‾‾/   
     /\  /  \     |  |/  /   /  /    
    /  \/    \    |     (   /   ‾‾\  
   /          \   |  |\  \ |  (‾)  | 
  / __________ \  |__| \__\ \_____/ .io

  execution: local
     script: script.js
     output: prometheus (:5656)

  scenarios: (100.00%) 1 scenario, 1 max VUs, 1m30s max duration (incl. graceful stop):
           * default: 1 looping VUs for 1m0s (gracefulStop: 30s)


running (1m01.0s), 0/1 VUs, 54 complete and 0 interrupted iterations
default ✓ [======================================] 1 VUs  1m0s

     data_received..................: 611 kB 10 kB/s
     data_sent......................: 4.1 kB 67 B/s
     http_req_blocked...............: avg=3.37ms   min=2.86µs   med=3.82µs   max=181.96ms p(90)=11.15µs  p(95)=13.52µs 
     http_req_connecting............: avg=2.19ms   min=0s       med=0s       max=118.34ms p(90)=0s       p(95)=0s      
     http_req_duration..............: avg=125.14ms min=118.99ms med=120.68ms max=237.66ms p(90)=121.45ms p(95)=124.07ms
       { expected_response:true }...: avg=125.14ms min=118.99ms med=120.68ms max=237.66ms p(90)=121.45ms p(95)=124.07ms
     http_req_failed................: 0.00%  ✓ 0   ✗ 54 
     http_req_receiving.............: avg=5.1ms    min=85.32µs  med=792.2µs  max=118.29ms p(90)=860.41µs p(95)=903.71µs
     http_req_sending...............: avg=20.68µs  min=12.53µs  med=16.69µs  max=75.97µs  p(90)=29.39µs  p(95)=37.87µs 
     http_req_tls_handshaking.......: avg=0s       min=0s       med=0s       max=0s       p(90)=0s       p(95)=0s      
     http_req_waiting...............: avg=120.01ms min=118.17ms med=119.78ms max=127.48ms p(90)=120.6ms  p(95)=120.71ms
     http_reqs......................: 54     0.885451/s
     iteration_duration.............: avg=1.12s    min=1.11s    med=1.12s    max=1.3s     p(90)=1.12s    p(95)=1.16s   
     iterations.....................: 54     0.885451/s
     vus............................: 1      min=1 max=1
     vus_max........................: 1      min=1 max=1
Parameters

The output extension accept parameters in a standard query string format:

k6 run --out 'prometheus=param1=value1&param2=value2&param3=value3'

Note apostrophe (') characters around the --out parameter! You should use it for escape & characters from shell (or use backslash before & characters).

The following paremeters are recognized:

parameter description
namespace Prometheus namespace for exported metrics (default: "", empty)
subsystem Prometheus subsystem for exported metrics (default: "", empty)
host Hostname or IP address for HTTP endpoint (default: "", empty, listen on all interfaces)
port TCP port for HTTP endoint (default: 5656)

It is recommended to use k6 as either namespace or subsystem to prefix exported metrics names with k6_ string.

Sample HTTP response

Here is the relevant part of the metrics HTTP response:

# HELP k6_data_received The amount of received data
# TYPE k6_data_received counter
k6_data_received{group="",scenario="default",tls_version=""} 538700
# HELP k6_data_sent The amount of data sent
# TYPE k6_data_sent counter
k6_data_sent{group="",scenario="default",tls_version=""} 9430
# HELP k6_http_req_blocked Time spent blocked  before initiating the request
# TYPE k6_http_req_blocked summary
k6_http_req_blocked{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.5"} 0.003216
k6_http_req_blocked{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.9"} 0.00461
k6_http_req_blocked{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.95"} 0.005075
k6_http_req_blocked{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="1"} 149.563383
k6_http_req_blocked_sum{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 149.7171700000001
k6_http_req_blocked_count{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 46
k6_http_req_blocked{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.5"} 0.002711
k6_http_req_blocked{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.9"} 0.01625
k6_http_req_blocked{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.95"} 0.02094
k6_http_req_blocked{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="1"} 247.720682
k6_http_req_blocked_sum{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 247.94551300000003
k6_http_req_blocked_count{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 46
# HELP k6_http_req_blocked_current Time spent blocked  before initiating the request (current)
# TYPE k6_http_req_blocked_current gauge
k6_http_req_blocked_current{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 0.005075
k6_http_req_blocked_current{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 0.00299
# HELP k6_http_req_connecting Time spent establishing TCP connection
# TYPE k6_http_req_connecting summary
k6_http_req_connecting{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.5"} 0
k6_http_req_connecting{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.9"} 0
k6_http_req_connecting{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.95"} 0
k6_http_req_connecting{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="1"} 122.939469
k6_http_req_connecting_sum{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 122.939469
k6_http_req_connecting_count{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 46
k6_http_req_connecting{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.5"} 0
k6_http_req_connecting{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.9"} 0
k6_http_req_connecting{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.95"} 0
k6_http_req_connecting{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="1"} 123.300371
k6_http_req_connecting_sum{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 123.300371
k6_http_req_connecting_count{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 46
# HELP k6_http_req_connecting_current Time spent establishing TCP connection (current)
# TYPE k6_http_req_connecting_current gauge
k6_http_req_connecting_current{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 0
k6_http_req_connecting_current{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 0
# HELP k6_http_req_duration Total time for the request
# TYPE k6_http_req_duration summary
k6_http_req_duration{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.5"} 122.284411
k6_http_req_duration{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.9"} 122.467859
k6_http_req_duration{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.95"} 122.754156
k6_http_req_duration{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="1"} 125.132449
k6_http_req_duration_sum{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 5624.683091
k6_http_req_duration_count{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 46
k6_http_req_duration{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.5"} 125.11121
k6_http_req_duration{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.9"} 126.739617
k6_http_req_duration{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.95"} 247.217049
k6_http_req_duration{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="1"} 248.484052
k6_http_req_duration_sum{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 6126.750080999999
k6_http_req_duration_count{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 46
# HELP k6_http_req_duration_current Total time for the request (current)
# TYPE k6_http_req_duration_current gauge
k6_http_req_duration_current{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 122.316288
k6_http_req_duration_current{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 124.662895
# HELP k6_http_req_failed The rate of failed requests
# TYPE k6_http_req_failed histogram
k6_http_req_failed_bucket{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",le="0"} 46
k6_http_req_failed_bucket{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",le="+Inf"} 46
k6_http_req_failed_sum{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 0
k6_http_req_failed_count{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 46
k6_http_req_failed_bucket{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",le="0"} 46
k6_http_req_failed_bucket{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",le="+Inf"} 46
k6_http_req_failed_sum{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 0
k6_http_req_failed_count{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 46
# HELP k6_http_req_receiving Time spent receiving response data
# TYPE k6_http_req_receiving summary
k6_http_req_receiving{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.5"} 0.081936
k6_http_req_receiving{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.9"} 0.104153
k6_http_req_receiving{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.95"} 0.112347
k6_http_req_receiving{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="1"} 0.11385
k6_http_req_receiving_sum{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 3.6835980000000004
k6_http_req_receiving_count{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 46
k6_http_req_receiving{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.5"} 0.083326
k6_http_req_receiving{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.9"} 0.21554
k6_http_req_receiving{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.95"} 122.142645
k6_http_req_receiving{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="1"} 122.322618
k6_http_req_receiving_sum{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 370.93958899999996
k6_http_req_receiving_count{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 46
# HELP k6_http_req_receiving_current Time spent receiving response data (current)
# TYPE k6_http_req_receiving_current gauge
k6_http_req_receiving_current{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 0.068918
k6_http_req_receiving_current{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 0.086082
# HELP k6_http_req_sending Time spent sending data
# TYPE k6_http_req_sending summary
k6_http_req_sending{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.5"} 0.012458
k6_http_req_sending{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.9"} 0.030467
k6_http_req_sending{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.95"} 0.035746
k6_http_req_sending{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="1"} 0.126034
k6_http_req_sending_sum{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 0.8089879999999999
k6_http_req_sending_count{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 46
k6_http_req_sending{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.5"} 0.012556
k6_http_req_sending{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.9"} 0.01823
k6_http_req_sending{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.95"} 0.026959
k6_http_req_sending{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="1"} 0.066358
k6_http_req_sending_sum{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 0.689001
k6_http_req_sending_count{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 46
# HELP k6_http_req_sending_current Time spent sending data (current)
# TYPE k6_http_req_sending_current gauge
k6_http_req_sending_current{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 0.01234
k6_http_req_sending_current{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 0.012584
# HELP k6_http_req_tls_handshaking Time spent handshaking TLS session
# TYPE k6_http_req_tls_handshaking summary
k6_http_req_tls_handshaking{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.5"} 0
k6_http_req_tls_handshaking{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.9"} 0
k6_http_req_tls_handshaking{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.95"} 0
k6_http_req_tls_handshaking{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="1"} 0
k6_http_req_tls_handshaking_sum{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 0
k6_http_req_tls_handshaking_count{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 46
k6_http_req_tls_handshaking{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.5"} 0
k6_http_req_tls_handshaking{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.9"} 0
k6_http_req_tls_handshaking{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.95"} 0
k6_http_req_tls_handshaking{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="1"} 124.308137
k6_http_req_tls_handshaking_sum{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 124.308137
k6_http_req_tls_handshaking_count{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 46
# HELP k6_http_req_tls_handshaking_current Time spent handshaking TLS session (current)
# TYPE k6_http_req_tls_handshaking_current gauge
k6_http_req_tls_handshaking_current{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 0
k6_http_req_tls_handshaking_current{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 0
# HELP k6_http_req_waiting Time spent waiting for response
# TYPE k6_http_req_waiting summary
k6_http_req_waiting{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.5"} 122.205979
k6_http_req_waiting{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.9"} 122.381221
k6_http_req_waiting{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="0.95"} 122.639074
k6_http_req_waiting{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io",quantile="1"} 124.892565
k6_http_req_waiting_sum{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 5620.190505
k6_http_req_waiting_count{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 46
k6_http_req_waiting{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.5"} 124.969742
k6_http_req_waiting{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.9"} 126.042663
k6_http_req_waiting{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="0.95"} 126.218584
k6_http_req_waiting{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/",quantile="1"} 126.747568
k6_http_req_waiting_sum{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 5755.121490999999
k6_http_req_waiting_count{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 46
# HELP k6_http_req_waiting_current Time spent waiting for response (current)
# TYPE k6_http_req_waiting_current gauge
k6_http_req_waiting_current{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 122.23503
k6_http_req_waiting_current{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 124.564229
# HELP k6_http_reqs How many HTTP requests has k6 generated, in total
# TYPE k6_http_reqs counter
k6_http_reqs{expected_response="true",group="",method="GET",name="http://test.k6.io",proto="HTTP/1.1",scenario="default",status="308",tls_version="",url="http://test.k6.io"} 46
k6_http_reqs{expected_response="true",group="",method="GET",name="https://test.k6.io/",proto="HTTP/1.1",scenario="default",status="200",tls_version="tls1.3",url="https://test.k6.io/"} 46
# HELP k6_iteration_duration The time it took to complete one full iteration
# TYPE k6_iteration_duration summary
k6_iteration_duration{group="",scenario="default",tls_version="",quantile="0.5"} 1248.52603
k6_iteration_duration{group="",scenario="default",tls_version="",quantile="0.9"} 1249.698125
k6_iteration_duration{group="",scenario="default",tls_version="",quantile="0.95"} 1370.836179
k6_iteration_duration{group="",scenario="default",tls_version="",quantile="1"} 1650.467963
k6_iteration_duration_sum{group="",scenario="default",tls_version=""} 56939.48187700001
k6_iteration_duration_count{group="",scenario="default",tls_version=""} 45
# HELP k6_iteration_duration_current The time it took to complete one full iteration (current)
# TYPE k6_iteration_duration_current gauge
k6_iteration_duration_current{group="",scenario="default",tls_version=""} 1247.360889
# HELP k6_iterations The aggregate number of times the VUs in the test have executed
# TYPE k6_iterations counter
k6_iterations{group="",scenario="default",tls_version=""} 45
# HELP k6_vus Current number of active virtual users
# TYPE k6_vus gauge
k6_vus{tls_version=""} 1
# HELP k6_vus_max Max possible number of virtual users
# TYPE k6_vus_max gauge
k6_vus_max{tls_version=""} 1

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func New 

func New(params output.Params) (output.Output, error)

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type Output 

type Output struct {
	*internal.PrometheusAdapter
	// contains filtered or unexported fields
}

func (*Output) Description 

func (o *Output) Description() string

func (*Output) Start 

func (o *Output) Start() error

func (*Output) Stop 

func (o *Output) Stop() error

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