Investigate integration with Gitaly's Benchmarking framework
## Context
We have built [xk6-git K6 extension](https://gitlab.com/gitlab-org/quality/quality-engineering/xk6-git) to enable testing git over SSH. The Gitaly team has indicated that integrating it into their [benchmarking framework](https://gitlab.com/gitlab-org/gitaly/-/tree/master/_support/benchmarking?ref_type=heads) would be valuable for their performance testing needs.
## Objective
Investigate and determine the best approach for integrating xk6-git with Gitaly's benchmarking framework to enable git-over-SSH performance testing within their existing toolchain.
## Scope
**Investigation Phase:**
- [x] Analyze Gitaly's current benchmarking framework architecture
- [x] Identify integration points and compatibility requirements
- [x] Assess technical feasibility and effort required
- [x] Document integration approach options with pros/cons
**Decision Criteria:**
- Integration complexity (development effort)
- Maintenance overhead
- Performance impact on existing benchmarks
- Alignment with Gitaly team's workflow
**Deliverables:**
- Technical analysis document
- Recommended integration approach
- Implementation plan (if proceeding)
## Success Criteria
- Clear recommendation on integration feasibility
- If feasible: working integration or detailed implementation roadmap
- Gitaly team feedback on proposed approach
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