{"adoption": {"forks": 2107, "observed_at": "2026-08-28T04:11:29.086380+00:00", "stars": 19695}, "canonical_url": "https://ross.abutalabs.com/products/flamegraph", "card": {"archived": false, "artifact_type": "cli-tool", "description": "Stack trace visualizer", "domain": ["developer-tools", "performance", "monitoring"], "enriched": true, "function": ["data-visualization", "benchmarking", "developer-tools"], "health_score": 20, "homepage": "http://www.brendangregg.com/flamegraphs.html", "language": "Perl", "license": null, "license_family": "other", "maturity": "stable", "member_repos": ["brendangregg/FlameGraph"], "name": "brendangregg/FlameGraph", "platform": ["cross-platform", "cli"], "pushed_at": "2024-10-20T21:48:45+00:00", "repo": "brendangregg/FlameGraph", "stars": 19695, "tags": ["flame-graphs", "profiling", "stack-traces", "svg", "perl", "performance-analysis", "linux", "macos"], "topics": [], "urls": [], "use_cases": ["visualize CPU profiling stack traces as flame graphs", "find the most frequent code paths in a profiled application", "generate interactive SVG flame graphs from perf script output", "profile memory and off-CPU time", "compare profiles with differential flame graphs", "fold captured stacks from various profilers into a common format"], "what_it_is": "The original open-source FlameGraph tools by Brendan Gregg, a set of Perl scripts that convert profiler stack traces into interactive SVG flame graph visualizations. It works with profilers like Linux perf_events, DTrace, SystemTap, and pmcstat via stackcollapse converters.", "when_to_avoid": ["you want a modern GUI-based profiler with built-in visualization", "you need a single integrated tool that captures and visualizes profiles in one step", "you require a license for enterprise compliance (the repo has no explicit license)"], "when_to_choose": ["you need the canonical, widely-supported flame graph tooling", "you profile with perf, DTrace, SystemTap, or similar profilers and want interactive SVG output", "you want lightweight scripts with no dependencies that run anywhere Perl runs"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/flamegraph", "repo": "brendangregg/FlameGraph", "role": "main", "score": 23}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-29T16:59:52.745237+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21324762bc15c350f1a60a5b0a216f204c2866e944e76267a27ea183e5e8d327", "fetched_at": "2026-08-28T04:11:29.086380+00:00", "kind": "readme", "missing": false, "url": "https://github.com/brendangregg/FlameGraph"}, {"content_hash": "b575c836e817be3d022685ad414024d34c446905c22c22efc35b985ff4d34cd4", "fetched_at": "2026-08-29T07:58:15.694545+00:00", "kind": "homepage", "missing": false, "url": "http://www.brendangregg.com/flamegraphs.html"}, {"content_hash": "718d7f20e245a039ddcd2d00adbfcd83a32c64f24b1e979281ddeae877e9f279", "fetched_at": "2026-08-29T07:58:15.704351+00:00", "kind": "site_page", "missing": false, "url": "https://www.brendangregg.com/blog/about.html"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-29T16:59:52.745237+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21324762bc15c350f1a60a5b0a216f204c2866e944e76267a27ea183e5e8d327", "fetched_at": "2026-08-28T04:11:29.086380+00:00", "kind": "readme", "missing": false, "url": "https://github.com/brendangregg/FlameGraph"}, {"content_hash": "b575c836e817be3d022685ad414024d34c446905c22c22efc35b985ff4d34cd4", "fetched_at": "2026-08-29T07:58:15.694545+00:00", "kind": "homepage", "missing": false, "url": "http://www.brendangregg.com/flamegraphs.html"}, {"content_hash": "718d7f20e245a039ddcd2d00adbfcd83a32c64f24b1e979281ddeae877e9f279", "fetched_at": "2026-08-29T07:58:15.704351+00:00", "kind": "site_page", "missing": false, "url": "https://www.brendangregg.com/blog/about.html"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-29T16:59:52.745237+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21324762bc15c350f1a60a5b0a216f204c2866e944e76267a27ea183e5e8d327", "fetched_at": "2026-08-28T04:11:29.086380+00:00", "kind": "readme", "missing": false, "url": "https://github.com/brendangregg/FlameGraph"}, {"content_hash": "b575c836e817be3d022685ad414024d34c446905c22c22efc35b985ff4d34cd4", "fetched_at": "2026-08-29T07:58:15.694545+00:00", "kind": "homepage", "missing": false, "url": "http://www.brendangregg.com/flamegraphs.html"}, {"content_hash": "718d7f20e245a039ddcd2d00adbfcd83a32c64f24b1e979281ddeae877e9f279", "fetched_at": "2026-08-29T07:58:15.704351+00:00", "kind": "site_page", "missing": false, "url": "https://www.brendangregg.com/blog/about.html"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-29T16:59:52.745237+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21324762bc15c350f1a60a5b0a216f204c2866e944e76267a27ea183e5e8d327", "fetched_at": "2026-08-28T04:11:29.086380+00:00", "kind": "readme", "missing": false, "url": "https://github.com/brendangregg/FlameGraph"}, {"content_hash": "b575c836e817be3d022685ad414024d34c446905c22c22efc35b985ff4d34cd4", "fetched_at": "2026-08-29T07:58:15.694545+00:00", "kind": "homepage", "missing": false, "url": "http://www.brendangregg.com/flamegraphs.html"}, {"content_hash": "718d7f20e245a039ddcd2d00adbfcd83a32c64f24b1e979281ddeae877e9f279", "fetched_at": "2026-08-29T07:58:15.704351+00:00", "kind": "site_page", "missing": false, "url": "https://www.brendangregg.com/blog/about.html"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-29T16:59:52.745237+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21324762bc15c350f1a60a5b0a216f204c2866e944e76267a27ea183e5e8d327", "fetched_at": "2026-08-28T04:11:29.086380+00:00", "kind": "readme", "missing": false, "url": "https://github.com/brendangregg/FlameGraph"}, {"content_hash": "b575c836e817be3d022685ad414024d34c446905c22c22efc35b985ff4d34cd4", "fetched_at": "2026-08-29T07:58:15.694545+00:00", "kind": "homepage", "missing": false, "url": "http://www.brendangregg.com/flamegraphs.html"}, {"content_hash": "718d7f20e245a039ddcd2d00adbfcd83a32c64f24b1e979281ddeae877e9f279", "fetched_at": "2026-08-29T07:58:15.704351+00:00", "kind": "site_page", "missing": false, "url": "https://www.brendangregg.com/blog/about.html"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-29T16:59:52.745237+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21324762bc15c350f1a60a5b0a216f204c2866e944e76267a27ea183e5e8d327", "fetched_at": "2026-08-28T04:11:29.086380+00:00", "kind": "readme", "missing": false, "url": "https://github.com/brendangregg/FlameGraph"}, {"content_hash": "b575c836e817be3d022685ad414024d34c446905c22c22efc35b985ff4d34cd4", "fetched_at": "2026-08-29T07:58:15.694545+00:00", "kind": "homepage", "missing": false, "url": "http://www.brendangregg.com/flamegraphs.html"}, {"content_hash": "718d7f20e245a039ddcd2d00adbfcd83a32c64f24b1e979281ddeae877e9f279", "fetched_at": "2026-08-29T07:58:15.704351+00:00", "kind": "site_page", "missing": false, "url": "https://www.brendangregg.com/blog/about.html"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:11:29.086380+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-29T16:59:52.745237+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21324762bc15c350f1a60a5b0a216f204c2866e944e76267a27ea183e5e8d327", "fetched_at": "2026-08-28T04:11:29.086380+00:00", "kind": "readme", "missing": false, "url": "https://github.com/brendangregg/FlameGraph"}, {"content_hash": "b575c836e817be3d022685ad414024d34c446905c22c22efc35b985ff4d34cd4", "fetched_at": "2026-08-29T07:58:15.694545+00:00", "kind": "homepage", "missing": false, "url": "http://www.brendangregg.com/flamegraphs.html"}, {"content_hash": "718d7f20e245a039ddcd2d00adbfcd83a32c64f24b1e979281ddeae877e9f279", "fetched_at": "2026-08-29T07:58:15.704351+00:00", "kind": "site_page", "missing": false, "url": "https://www.brendangregg.com/blog/about.html"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-29T16:59:52.745237+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21324762bc15c350f1a60a5b0a216f204c2866e944e76267a27ea183e5e8d327", "fetched_at": "2026-08-28T04:11:29.086380+00:00", "kind": "readme", "missing": false, "url": "https://github.com/brendangregg/FlameGraph"}, {"content_hash": "b575c836e817be3d022685ad414024d34c446905c22c22efc35b985ff4d34cd4", "fetched_at": "2026-08-29T07:58:15.694545+00:00", "kind": "homepage", "missing": false, "url": "http://www.brendangregg.com/flamegraphs.html"}, {"content_hash": "718d7f20e245a039ddcd2d00adbfcd83a32c64f24b1e979281ddeae877e9f279", "fetched_at": "2026-08-29T07:58:15.704351+00:00", "kind": "site_page", "missing": false, "url": "https://www.brendangregg.com/blog/about.html"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-29T16:59:52.745237+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21324762bc15c350f1a60a5b0a216f204c2866e944e76267a27ea183e5e8d327", "fetched_at": "2026-08-28T04:11:29.086380+00:00", "kind": "readme", "missing": false, "url": "https://github.com/brendangregg/FlameGraph"}, {"content_hash": "b575c836e817be3d022685ad414024d34c446905c22c22efc35b985ff4d34cd4", "fetched_at": "2026-08-29T07:58:15.694545+00:00", "kind": "homepage", "missing": false, "url": "http://www.brendangregg.com/flamegraphs.html"}, {"content_hash": "718d7f20e245a039ddcd2d00adbfcd83a32c64f24b1e979281ddeae877e9f279", "fetched_at": "2026-08-29T07:58:15.704351+00:00", "kind": "site_page", "missing": false, "url": "https://www.brendangregg.com/blog/about.html"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-29T16:59:52.745237+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "21324762bc15c350f1a60a5b0a216f204c2866e944e76267a27ea183e5e8d327", "fetched_at": "2026-08-28T04:11:29.086380+00:00", "kind": "readme", "missing": false, "url": "https://github.com/brendangregg/FlameGraph"}, {"content_hash": "b575c836e817be3d022685ad414024d34c446905c22c22efc35b985ff4d34cd4", "fetched_at": "2026-08-29T07:58:15.694545+00:00", "kind": "homepage", "missing": false, "url": "http://www.brendangregg.com/flamegraphs.html"}, {"content_hash": "718d7f20e245a039ddcd2d00adbfcd83a32c64f24b1e979281ddeae877e9f279", "fetched_at": "2026-08-29T07:58:15.704351+00:00", "kind": "site_page", "missing": false, "url": "https://www.brendangregg.com/blog/about.html"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 8}, "computed_at": "2026-09-03T02:39:23.370411+00:00", "flags": ["no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 5375, "days_push": 682, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 23, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}