PyRank
joerick

pyinstrument

🚴 Call stack profiler for Python. Shows you why your code is slow!
PyPI GitHub Verified repo
No known security advisories. The current version has no OSV.dev malware reports and no critical or high-severity vulnerabilities.

pyinstrument has 10.6M monthly downloads and 8K GitHub stars. Version 5.1.2 supports Python 3.8+, first published in 2014.

It is actively maintained under a permissive license, last released in Jan 2026.

It is used by 78 tracked packages, including fastapi-profiler, glances and smdebug.

GitHub topics include django, profiler and performance.

Downloads
Day
305.5K
Week
2.2M
Month
10.6M
Stars
8.0K
Forks
289
Issues
27
Version
5.1.2

Package Insights

What's this?
Score breakdown - each component scores 0-100, weighted by percentage
Maintenance
90
Popularity
79
Adoption
60
Community
50
Provenance
100
How the maintenance status was determined
Last commit
20 days ago
Monthly downloads
10,629,198
• Active
Activity within 30 days
Stable
Activity within 31-180 days
Minimal
Activity within 181-365 days, or no activity data
At Risk
No activity for > 365 days, but > 10,000 monthly downloads
Archived
Repository flagged as archived on GitHub
How the popularity category was determined
Monthly downloads
10,629,198
Stars
7,950
Stars per 1k downloads
0.75
• Industry Standard
> 10,000,000 monthly downloads
Hidden Gem
< 0.5 stars per 1k downloads and > 100,000 monthly downloads
Community Favorite
> 5 stars per 1k downloads
Rising Star
Balanced ratio of stars to downloads
Unknown
Fewer than 1,000 monthly downloads, or no star data
How download momentum is calculated
Week daily avg
310,980
Month daily avg
354,307
Momentum
-12.2%
((week_daily_avg - month_daily_avg) / month_daily_avg) * 100
Python version support tiers
requires_python
>=3.8
Cutting Edge
Minimum supported version is 3.12 or newer
Modern
Minimum supported version is 3.9, 3.10, or 3.11
• Legacy
Supports 3.8 or older (or Python 2)
Unknown
No requires_python specified or unparseable
License categories
License
BSD License
• Permissive
MIT, Apache, BSD, ISC, Unlicense, CC0, etc.
Copyleft
GPL, LGPL, AGPL, MPL, EPL, etc.
Proprietary
Commercial, all rights reserved, custom EULAs
Unknown
No license specified, or none of the above match
How the release cadence was determined
Last release
183 days ago
Total releases
55
Releases/year
4.5
Rapid
Last release within 365 days and > 12 releases/year
• Regular
Last release within 365 days
Slow
Last release 366-730 days ago
Stalled
Last release > 730 days ago, or no releases
Unknown
No usable release date available
How contributor risk was determined
Contributors
65
Monthly downloads
10,629,198
High Load
≤ 2 contributors and ≥ 50,000 monthly downloads
Moderate Load
< 10 contributors and ≥ 500,000 monthly downloads
Low Load
< 25 contributors and ≥ 5,000,000 monthly downloads, or sole maintainer with ≥ 10,000 monthly downloads
• Balanced
Enough contributors for the package's popularity
Unknown
No contributor data available
Engagement
56
 
Issue Burden
3.4
per 1k stars
Discussions
0.9
per 1k stars
Fork Ratio
22.5%
contrib / forks
Stale Release
162d
 
PR Velocity
Quiet
 

Weekly Downloads

GitHub Stars

Not all downloads include detailed metadata. Breakdowns reflect the subset that does.

Downloads by OS

Linux 96.4K
macOS 898
Windows 615

Python Versions

3.12
36.8% 33.1K
3.11
23.7% 21.3K
3.10
17.5% 15.7K
3.13
11.5% 10.3K
3.14
10.4% 9.3K

Top Countries

1. US US
78.9K
2. NL NL
4.2K
3. IE IE
4.2K
4. NO NO
3.6K
5. DE DE
1.8K
6. FR FR
1.3K
7. GB GB
1.3K
8. JP JP
1.2K
9. BE BE
1.2K
10. SG SG
1.2K
GitHub Topics
Tags from the package's GitHub repository describing what it does.

Package Information

License
BSD License
First Release
June 6, 2014
Last Release
6 months ago
Last Commit
3 weeks ago
Latest Version
5.1.2
Total Releases
55
Contributors
65
Open PRs
3
Archived
No
Author
Joe Rickerby
Wheels
cp310 cp311 cp312 cp313 cp314 cp37 cp38 cp39 py2 py3
Keywords
profiling profile profiler cpu time sampling
Tracking Since
January 6, 2026
Data Updated
July 5, 2026
Data Freshness
Fresh

Links