This PR adds reads and writes metrics for cgroups V1. Currently, only the total of reads and writes is available and this metric alone is not really useful to understand what is happening inside a container.
Why is it important?
These metrics are important to understand what is happening inside a container running on Kubernetes or Docker and to attribute reads and writes on a host to running containers.
Checklist
[x] My code follows the style guidelines of this project
[x] I have commented my code, particularly in hard-to-understand areas
[x] I have added tests that prove my fix is effective or that my feature works
What does this PR do?
This PR adds reads and writes metrics for cgroups V1. Currently, only the total of reads and writes is available and this metric alone is not really useful to understand what is happening inside a container.
Why is it important?
These metrics are important to understand what is happening inside a container running on Kubernetes or Docker and to attribute reads and writes on a host to running containers.
Checklist
CHANGELOG.mdAuthor's Checklist
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