Decision Workspace
polytrace vs pyroscope vs flamegraph
Side-by-side comparison of Rust crates
43
polytrace
experimentalv0.1.0
Deterministic cross-language (Python/Rust) causal profiler: cross-language flamegraphs, Python↔native boundary cost, copy/ownership tracking, GIL/lock contention, async stalls, peak-memory attribution, trace merge, and reproducible (content-hashed) reports.
70
pyroscope
stablev2.1.0
Pyroscope Profiler Agent for continuous profiling of Rust, Python and Ruby applications.
64
flamegraph
growingv0.6.13
A simple cargo subcommand for generating flamegraphs, using inferno under the hood
Core Metrics
| polytrace | pyroscope | flamegraph | |
|---|---|---|---|
| Health Score | 43 | 70 | 64 |
| Total Downloads | 16 | 8.1M | 874.8K |
| 30d Downloads | 0 | 298.0K | 92.1K |
| Dependents | 0 | 222 | 161 |
| Releases | 1 | 25 | 32 |
| Last Updated | 26d ago | 6d ago | 38d ago |
| Age | 26d | 4y 6m | 7y 4m |
Health Breakdown
polytrace
Maintenance
11
Quality
16
Community
5
Popularity
1
Documentation
10
pyroscope
Maintenance
18
Quality
15
Community
14
Popularity
8
Documentation
15
flamegraph
Maintenance
17
Quality
11
Community
17
Popularity
7
Documentation
12
Technical Details
| polytrace | pyroscope | flamegraph | |
|---|---|---|---|
| Version | 0.1.0 | 2.1.0 | 0.6.13 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 3 | 26 | 12 |
| Crate Size | 68KB | 77KB | 662KB |
| Features | 2 | 7 | 0 |
| Yanked % | 0.0% | 4.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.66 | 1.86 |
| Owners | 1 | 5 (team) | 3 (team) |
Links
Quick Verdict
- •pyroscope leads with a health score of 70/100, but none of the options score above 80.
- •pyroscope is depended on by 222 crates — strongest ecosystem trust.
- •polytrace, flamegraph are pre-1.0 — API may change.