Decision Workspace
defmt vs defmt-print vs qemu-run
Side-by-side comparison of Rust crates
72
defmt
stablev1.1.0
A highly efficient logging framework that targets resource-constrained devices, like microcontrollers
59
defmt-print
stablev1.1.0
A tool that decodes defmt logs and prints them to the console
53
qemu-run
experimentalv0.3.0
Runs qemu-system-arm but decodes defmt data sent to semihosting
Core Metrics
| defmt | defmt-print | qemu-run | |
|---|---|---|---|
| Health Score | 72 | 59 | 53 |
| Total Downloads | 11.0M | 34.4K | 97 |
| 30d Downloads | 930.8K | 1.7K | 0 |
| Dependents | 4.7K | 0 | 0 |
| Releases | 28 | 20 | 2 |
| Last Updated | 13d ago | 13d ago | 13d ago |
| Age | 5y 9m | 5y 4m | 5m |
Health Breakdown
defmt
Maintenance
17
Quality
17
Community
20
Popularity
8
Documentation
10
defmt-print
Maintenance
18
Quality
14
Community
10
Popularity
5
Documentation
12
qemu-run
Maintenance
16
Quality
13
Community
10
Popularity
2
Documentation
12
Technical Details
| defmt | defmt-print | qemu-run | |
|---|---|---|---|
| Version | 1.1.0 | 1.1.0 | 0.3.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 8 | 4 |
| Crate Size | 34KB | 17KB | 13KB |
| Features | 6 | 0 | 0 |
| Yanked % | 17.9% | 5.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.83 | 1.83 |
| Owners | 4 (team) | 4 (team) | 2 (team) |
Links
Quick Verdict
- •defmt leads with a health score of 72/100, but none of the options score above 80.
- •defmt is depended on by 4.7K crates — strongest ecosystem trust.
- •qemu-run is pre-1.0 — API may change.