Decision Workspace
latr vs metr vs calltrace-rs
Side-by-side comparison of Rust crates
39
latr
experimentalv0.0.0
A lightweight, low-overhead span-based latency profiler for Rust.
42
metr
experimentalv0.0.0
A lightweight, low-overhead metrics and span instrumentation crate for Rust with composable sinks.
48
calltrace-rs
experimentalv1.1.4
High-performance function call tracing library for C/C++ applications using GCC instrumentation with Rust safety guarantees
Core Metrics
| latr | metr | calltrace-rs | |
|---|---|---|---|
| Health Score | 39 | 42 | 48 |
| Total Downloads | 17 | 15 | 15 |
| 30d Downloads | 3 | 3 | 15 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 1 | 1 |
| Last Updated | 87d ago | 37d ago | 23d ago |
| Age | 2m | 1m | 23d |
Health Breakdown
latr
Maintenance
8
Quality
15
Community
5
Popularity
1
Documentation
10
metr
Maintenance
11
Quality
15
Community
5
Popularity
1
Documentation
10
calltrace-rs
Maintenance
12
Quality
14
Community
6
Popularity
1
Documentation
15
Technical Details
| latr | metr | calltrace-rs | |
|---|---|---|---|
| Version | 0.0.0 | 0.0.0 | 1.1.4 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 0 | 18 |
| Crate Size | 1KB | 1KB | 274KB |
| Features | 0 | 0 | 3 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | — | — | 1.70 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •calltrace-rs leads with a health score of 48/100, but none of the options score above 80.
- •latr has the most downloads (17), suggesting wider adoption.
- •latr, metr are pre-1.0 — API may change.