OpenResty XRay
Aug 24, 2026
OpenResty XRay
Updated Aug 24, 2026
7 mins read
Rust CPU Profiling: Find the Hottest Code Paths in Sled with OpenResty XRay
- The problem: a Sled-based cache service using over 100% CPU
- Profile the running Rust process with Guided Analysis
- Read the Rust CPU flame graph: the #1 hottest code path
- The #2 hottest code path: get_inner and view_for_key
- Automatic Rust CPU analysis reports
- Frequently asked questions
- The problem: a Sled-based cache service using over 100% CPU
- Profile the running Rust process with Guided Analysis
- Read the Rust CPU flame graph: the #1 hottest code path
- The #2 hottest code path: get_inner and view_for_key
- Automatic Rust CPU analysis reports
- Frequently asked questions
