Decision Workspace
defmt vs defmt-print vs qemu-run
Side-by-side comparison of Rust crates
72
defmt
stablev1.1.1
A highly efficient logging framework that targets resource-constrained devices, like microcontrollers
57
defmt-print
stablev1.1.0
A tool that decodes defmt logs and prints them to the console
51
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 | 57 | 51 |
| Total Downloads | 16.4M | 43.7K | 124 |
| 30d Downloads | 3.7M | 8.2K | 0 |
| Dependents | 5.0K | 0 | 0 |
| Releases | 29 | 20 | 2 |
| Last Updated | 10d ago | 62d ago | 62d ago |
| Age | 5y 11m | 5y 6m | 7m |
Health Breakdown
defmt
Maintenance
17
Quality
17
Community
20
Popularity
8
Documentation
10
defmt-print
Maintenance
15
Quality
14
Community
10
Popularity
6
Documentation
12
qemu-run
Maintenance
13
Quality
13
Community
10
Popularity
3
Documentation
12
Technical Details
| defmt | defmt-print | qemu-run | |
|---|---|---|---|
| Version | 1.1.1 | 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 % | 17.2% | 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 5.0K crates — strongest ecosystem trust.
- •qemu-run is pre-1.0 — API may change.