iovisor/bcc
What happens to a stranger's pull request here, in the Porchlamp snapshot of 17 October 2026.
Outside pull requests to iovisor/bcc got a first human reply in a median of 5.2 days (22 pull requests, 10 April to 7 October 2026); 51% got none within 14 days. It ranks 1,056 of 3,219 overall. For first-time contributors it ranks 984 of 1,525 (the bottom 36%).
| Rank | 1,056 of 3,219 |
|---|---|
| Score | 54.86 |
| Tier | C |
| Median first reply | 5.2 days (125.4 hours) |
| 14-day no-reply share | 51% |
| First-timer rank | 984 of 1,525 |
| Ecosystem | C and C++ |
| Window | 10 April to 7 October 2026 |
Composite
- Rank
- 1,056 of 3,219
- Score
- 54.86
- Tier
- C
- Coverage
- 98% · Full
- Quadrant
- Sweet Spot
Coordinates: leverage 57.0 (coverage 100%), friction 43.9 (coverage 97%)
Five pillars
| Pillar | Score | Coverage |
|---|---|---|
| Responsiveness | 43.8 | 100% |
| Criticality | 43.3 | 100% |
| Governance | 82.0 | 100% |
| Rigor | 63.2 | 100% |
| Accessibility | 47.9 | 85% |
The measured parameters
Responsiveness
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Decision Rate (90d)Share of outside pull requests that were merged or closed within 90 days. | 64.7% | 80.9 | 17 | 10 April to 9 July 2026 | primaryraw/pr_window/iovisor__bcc.json |
| PR Ghost Rate (14d)Share of outside pull requests with no maintainer response, merge or close within 14 days. | 51.2% | 0.0 | 43 | 20 April to 17 October 2026 | primaryraw/pr_window/iovisor__bcc.json |
| First-timer Merge RateShare of first-time outside authors' decided pull requests that were merged. | 62.5% | 78.1 | 8 | — | primaryraw/author_history/iovisor__bcc.json |
| Time to First ResponseMedian hours from an outside pull request opening to its first substantive human reply. | 125.4 hours (5.2 days) | 15.3 | 22 | 10 April to 7 October 2026 | primaryraw/pr_window/iovisor__bcc.json |
| Time to Merge (p90)Hours within which 90% of merged outside pull requests were merged. | 563.6 hours (23.5 days) | 34.0 | 22 | 10 April to 7 October 2026 | primaryraw/pr_window/iovisor__bcc.json |
Criticality
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| DependentsPackages in the registry that depend on this project, counted once each. | Not shown: Not applicable | ||||
| Monthly DownloadsDownloads from the package registry in a month. | Not shown: Not applicable | ||||
| OpenSSF CriticalityOpenSSF criticality score from 0 to 1, computed from the project's public activity signals. | 0.4332 | 43.3 | — | — | proxy:no_dependents_signalraw/github_meta/iovisor__bcc.json |
Governance
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Elephant FactorThe fewest organisations that account for half of the last year's commits. | 4 | 100.0 | 70 | — | primaryraw/commits_365d/iovisor__bcc.json |
| Legal IP RegimeThe contributor licence regime: DCO, none, a foundation CLA or a corporate CLA. | Sign-off on commits (DCO) | 100.0 | — | — | primaryraw/governance/iovisor__bcc.json |
| Promotion LadderHow openly a contributor can become a maintainer, from closed to verified. | No written path to becoming a maintainer | 40.0 | — | — | primaryraw/governance/iovisor__bcc.json |
Rigor
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| AI Policy PostureWhether the project has a written policy on AI-assisted contributions. | Written AI policy | 95.0 | — | — | primaryraw/governance/iovisor__bcc.json |
| Pipeline DefensesHow well the project's build and review pipeline defends against bad changes, 0 to 100. | 65 | 65.0 | — | — | primaryraw/scorecard/iovisor__bcc.json |
| Substantive Review RateShare of decided pull requests that received a substantive review. | 23.1% | 28.9 | 26 | 10 April to 7 October 2026 | primaryraw/pr_window/iovisor__bcc.json |
Accessibility
| Parameter | Value | Score | Count | Window | Source |
|---|---|---|---|---|---|
| Developer ExperienceDeveloper experience, 0 to 100: half CI run time, half setup signals. | 85 | 85.0 | 13 | — | primaryraw/actions_runs/iovisor__bcc.json |
| Newcomer ConversionShare of first-time authors whose first pull request merged within 180 days. | 40.0% | 80.0 | 10 | — | primaryraw/author_history/iovisor__bcc.json |
| Newcomer Issue SupplyOpen, unassigned, up-to-date issues marked for newcomers. | 0 | 0.0 | — | — | primaryraw/gfi/iovisor__bcc.json |
| Newcomer Return RateShare of those merged first-time authors who sent a second pull request within 90 days. | Not shown: Insufficient sample size | ||||
Persona view
| Persona | Rank | Score | Tier | Status |
|---|---|---|---|---|
| Balanced | 1,056 of 3,219 | 54.86 | C | Rated |
| First-timer | 984 of 1,525 | 52.68 | C | Rated |
| Career capital | This repository's production-criticality signal is not yet high enough for career-capital ranking. | |||
| Senior systems | 505 of 1,276 | 57.27 | B | Rated |
| AI-assisted | 973 of 3,696 | 56.63 | B | Rated |
Integrity
- Snapshot
- 2026-10-17
- Raw hash
- 59d2a9e00eccfb641ad36a3dba57630c1660217f592a6375be01554762fb0952
No suspicion flags on this repository.
The full record is in data/2026-10-17/repos/32.json, under the key iovisor/bcc.
How every number is measured: Porchlamp methodology.
Open an issue about this record and say what looks wrong.
Porchlamp (2026). iovisor/bcc. Snapshot 2026-10-17. https://porchlamp.org/projects/iovisor/bcc/. CC BY 4.0.
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