Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.

DocumentationGrafana k6Results outputReal time

Real time

Besides the end-of-test summary, you can also view metrics as granular data points. k6 can stream the metrics in real-time and either:

• Write output to a file
• Send output to an external service.

Write to file

Currently, k6 supports writing to the following file formats:

• CSV
• JSON

Stream to service

You can also stream real-time metrics to:

• Grafana Cloud k6

As well as the following third-party services:

• Amazon CloudWatch
• Apache Kafka
• Datadog
• Dynatrace
• Elasticsearch
• Grafana Cloud Prometheus
• InfluxDB
• Netdata
• New Relic
• Prometheus remote write
• TimescaleDB
• StatsD
• Other alternative with a custom output extension

Read more

• Ways to visualize k6 results
• k6 data collection pipeline