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Optimize graph traversal by using a more appropriate algorithm

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Optimize graph traversal by using a more appropriate algorithm #823

Optimize graph traversal by using a more appropriate algorithm
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firefoxci-taskcluster / codecov-upload succeeded Oct 17, 2025 in 4m 6s

FirefoxCI (pull_request)

Upload coverage.xml to codecov.io (Treeherder push)

Details

View task in Taskcluster | View logs in Taskcluster | View task group in Taskcluster

Task Status

Started: 2025-10-17T13:35:35.308Z
Resolved: 2025-10-17T13:35:50.389Z
Task Execution Time: 15 seconds, 81 milliseconds
Task Status: completed
Reason Resolved: completed
RunId: 0

Artifacts

- public/logs/live_backing.log
- public/logs/live.log


[taskcluster 2025-10-17 13:35:35.546Z] Task ID: bsNLdRyyQAGO7sVegO4bAA
[taskcluster 2025-10-17 13:35:35.546Z] Worker ID: 5262635392332463030
[taskcluster 2025-10-17 13:35:35.546Z] Worker Group: us-west1-c
[taskcluster 2025-10-17 13:35:35.546Z] Worker Node Type: projects/887720501152/machineTypes/c2-standard-4
[taskcluster 2025-10-17 13:35:35.546Z] Worker Pool: taskgraph-t/linux-gcp
[taskcluster 2025-10-17 13:35:35.546Z] Worker Version: 38.0.5
[taskcluster 2025-10-17 13:35:35.546Z] Public IP: 104.199.113.74
[taskcluster 2025-10-17 13:35:35.546Z] Hostname: taskgraph-t-linux-gcp-do1ib-b5sp-k2hy99betwq
[taskcluster 2025-10-17 13:35:35.546Z] using cache "taskgraph-level-1-uv-v3-26529e177a382bde07b2-VDYT3xlFRRWEiuuxW6__jw" -> /builds/worker/.task-cache/uv
[taskcluster 2025-10-17 13:35:35.546Z] using cache "taskgraph-level-1-checkouts-v3-26529e177a382bde07b2-VDYT3xlFRRWEiuuxW6__jw" -> /builds/worker/checkouts

[taskcluster 2025-10-17 13:35:35.984Z] Image 'public/image.tar.zst' from task 'VDYT3xlFRRWEiuuxW6__jw' loaded.  Using image ID sha256:a4917f5b7fcd8e5242f16f8b0d33554ed25b3d8e5f5290c5c5f36e1e612cee5e.
[taskcluster 2025-10-17 13:35:36.074Z] === Task Starting ===
[setup 2025-10-17T13:35:36.342+00:00] run-task started in /
[setup 2025-10-17T13:35:36.342+00:00] Invoked by command: --ci-checkout=/builds/worker/checkouts/vcs/ --task-cwd /builds/worker/checkouts/vcs -- bash -cx uv run coverage combine --data-file $MOZ_FETCHES_DIR/coverage $MOZ_FETCHES_DIR && uv run coverage xml --data-file $MOZ_FETCHES_DIR/coverage -o $MOZ_FETCHES_DIR/coverage.xml && uv run python taskcluster/scripts/codecov-upload.py
[setup 2025-10-17T13:35:36.342+00:00] Python version: 3.11.2
[setup 2025-10-17T13:35:36.342+00:00] Subprocess python version: 
cpython-3.13.2-linux-x86_64-gnu     /builds/worker/.local/share/uv/python/cpython-3.13.2-linux-x86_64-gnu/bin/python3.13
cpython-3.12.9-linux-x86_64-gnu     /builds/worker/.local/share/uv/python/cpython-3.12.9-linux-x86_64-gnu/bin/python3.12
cpython-3.11.11-linux-x86_64-gnu    /builds/worker/.local/share/uv/python/cpython-3.11.11-linux-x86_64-gnu/bin/python3.11
cpython-3.11.2-linux-x86_64-gnu     /usr/bin/python3.11
cpython-3.11.2-linux-x86_64-gnu     /usr/bin/python3 -> python3.11
cpython-3.11.2-linux-x86_64-gnu     /bin/python3.11
cpython-3.11.2-linux-x86_64-gnu     /bin/python3 -> python3.11
cpython-3.10.16-linux-x86_64-gnu    /builds/worker/.local/share/uv/python/cpython-3.10.16-linux-x86_64-gnu/bin/python3.10
cpython-3.9.21-linux-x86_64-gnu     /builds/worker/.local/share/uv/python/cpython-3.9.21-linux-x86_64-gnu/bin/python3.9
[cache 2025-10-17T13:35:37.418+00:00] cache /builds/worker/.task-cache/uv exists; requirements: gid=1000 uid=1000 version=1
[cache 2025-10-17T13:35:37.418+00:00] cache /builds/worker/checkouts exists; requirements: gid=1000 uid=1000 version=1
[volume 2025-10-17T13:35:37.418+00:00] volume /builds/worker/.task-cache/uv is a cache
[volume 2025-10-17T13:35:37.418+00:00] volume /builds/worker/checkouts is a cache
[setup 2025-10-17T13:35:37.418+00:00] running as worker:worker
[vcs 2025-10-17T13:35:37.419+00:00] executing ['git', 'config', '--global', '--add', 'safe.directory', '/builds/worker/checkouts/vcs']
[vcs 2025-10-17T13:35:37.421+00:00] executing ['git', 'fetch', '--no-tags', 'https://github.com/Eijebong/taskgraph', 'faster-graph-traversal']
[vcs 2025-10-17T13:35:37.695+00:00] From https://github.com/Eijebong/taskgraph
[vcs 2025-10-17T13:35:37.695+00:00]  * branch              faster-graph-traversal -> FETCH_HEAD
[vcs 2025-10-17T13:35:37.700+00:00] executing ['git', 'checkout', '-f', '-B', 'faster-graph-traversal', '338c4f98681770e18c701939f8af55c78d04beda']
[vcs 2025-10-17T13:35:37.703+00:00] Reset branch 'faster-graph-traversal'
[vcs 2025-10-17T13:35:37.703+00:00] cleaning git checkout...
[vcs 2025-10-17T13:35:37.703+00:00] executing ['git', 'clean', '-nxdff']
[vcs 2025-10-17T13:35:37.821+00:00] removing ['/builds/worker/checkouts/vcs/.pytest_cache/', '/builds/worker/checkouts/vcs/.venv/', '/builds/worker/checkouts/vcs/artifacts/', '/builds/worker/checkouts/vcs/packages/pytest-taskgraph/src/pytest_taskgraph/__pycache__/', '/builds/worker/checkouts/vcs/packages/pytest-taskgraph/src/pytest_taskgraph/fixtures/__pycache__/', '/builds/worker/checkouts/vcs/src/taskgraph/__pycache__/', '/builds/worker/checkouts/vcs/src/taskgraph/actions/__pycache__/', '/builds/worker/checkouts/vcs/src/taskgraph/loader/__pycache__/', '/builds/worker/checkouts/vcs/src/taskgraph/optimize/__pycache__/', '/builds/worker/checkouts/vcs/src/taskgraph/run-task/__pycache__/', '/builds/worker/checkouts/vcs/src/taskgraph/transforms/__pycache__/', '/builds/worker/checkouts/vcs/src/taskgraph/transforms/run/__pycache__/', '/builds/worker/checkouts/vcs/src/taskgraph/util/__pycache__/', '/builds/worker/checkouts/vcs/test/__pycache__/', '/builds/worker/checkouts/vcs/test/data/taskcluster/test_taskgraph/transforms/__pycache__/', '/builds/worker/checkouts/vcs/test/data/testmod/__pycache__/']
[vcs 2025-10-17T13:35:38.227+00:00] successfully cleaned git checkout!
[vcs 2025-10-17T13:35:38.229+00:00] TinderboxPrint:<a href='https://github.com/Eijebong/taskgraph/commit/338c4f98681770e18c701939f8af55c78d04beda' title='Built from taskgraph commit 338c4f98681770e18c701939f8af55c78d04beda'>338c4f98681770e18c701939f8af55c78d04beda</a>
[fetches 2025-10-17T13:35:38.229+00:00] fetching artifacts
[fetches 2025-10-17T13:35:38.229+00:00] executing ['/usr/bin/python3', '-u', '/usr/local/bin/fetch-content', 'task-artifacts']
attempt 1/5
attempt 1/5
Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/U8lQ70fsTYmJMZXal50avw/artifacts/public/coverage.py310 to /builds/worker/fetches/coverage.py310Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/SfLzaQVqR8-uU3di1nYDyg/artifacts/public/codecov to /builds/worker/fetches/codecov

Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/SfLzaQVqR8-uU3di1nYDyg/artifacts/public/codecov
attempt 1/5Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/U8lQ70fsTYmJMZXal50avw/artifacts/public/coverage.py310
Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Wl6JCX6ZQdKkLuymMFqHpA/artifacts/public/coverage.py311 to /builds/worker/fetches/coverage.py311
attempt 1/5

Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/MQITASS4QRCZ_69aqZpTfQ/artifacts/public/coverage.py312 to /builds/worker/fetches/coverage.py312
Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/MQITASS4QRCZ_69aqZpTfQ/artifacts/public/coverage.py312
Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Wl6JCX6ZQdKkLuymMFqHpA/artifacts/public/coverage.py311
https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/U8lQ70fsTYmJMZXal50avw/artifacts/public/coverage.py310 resolved to 679936 bytes with sha256 c9a8c2198a4b58f168c0bac55519b6cf77d3bd75caba1e44af0dbae6cfe79906 in 0.280s
Extracting /builds/worker/fetches/coverage.py310 to /builds/worker/fetches
attempt 1/5
Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XLngxCs4Q2GlXYI4TzSzzA/artifacts/public/coverage.py313 to /builds/worker/fetches/coverage.py313
Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XLngxCs4Q2GlXYI4TzSzzA/artifacts/public/coverage.py313
https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/MQITASS4QRCZ_69aqZpTfQ/artifacts/public/coverage.py312 resolved to 688128 bytes with sha256 9266eaf2fe370c2a5822ca87115bb14263fc3f4efadeb1d15f359bdf5948dfb1 in 0.288s
Extracting /builds/worker/fetches/coverage.py312 to /builds/worker/fetches
attempt 1/5
Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/L1UDGMGoQRiB5Z9p0qiIgg/artifacts/public/coverage.py39 to /builds/worker/fetches/coverage.py39
Downloading https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/L1UDGMGoQRiB5Z9p0qiIgg/artifacts/public/coverage.py39
https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/Wl6JCX6ZQdKkLuymMFqHpA/artifacts/public/coverage.py311 resolved to 696320 bytes with sha256 67f5146856636da85b3315c186b7360ab64cd83b38657926b0b13cb39dd72f07 in 0.301s
Extracting /builds/worker/fetches/coverage.py311 to /builds/worker/fetches
https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/XLngxCs4Q2GlXYI4TzSzzA/artifacts/public/coverage.py313 resolved to 688128 bytes with sha256 b5375de5a508127b4953511677aee3c1d9cf83affe6ae98cd2c446cd507bd83c in 0.225s
Extracting /builds/worker/fetches/coverage.py313 to /builds/worker/fetches
https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/L1UDGMGoQRiB5Z9p0qiIgg/artifacts/public/coverage.py39 resolved to 659456 bytes with sha256 97722a9ededb956f3b0f0990ee9fd557100e922957c5aa86e503a8ee399be38d in 0.224s
Extracting /builds/worker/fetches/coverage.py39 to /builds/worker/fetches
https://firefox-ci-tc.services.mozilla.com/api/queue/v1/task/SfLzaQVqR8-uU3di1nYDyg/artifacts/public/codecov resolved to 28918392 bytes with sha256 209d13481be406d6a2aa9519fa61c84883e3213308b5628c43a5e94cae75b8e6 in 0.715s
Extracting /builds/worker/fetches/codecov to /builds/worker/fetches
PERFHERDER_DATA: {"framework": {"name": "build_metrics"}, "suites": [{"name": "fetch_content", "value": 0.7192655460000026, "lowerIsBetter": true, "shouldAlert": false, "subtests": []}]}
[fetches 2025-10-17T13:35:39.031+00:00] finished fetching artifacts
[task 2025-10-17T13:35:39.031+00:00] executing ['bash', '-cx', 'uv run coverage combine --data-file $MOZ_FETCHES_DIR/coverage $MOZ_FETCHES_DIR && uv run coverage xml --data-file $MOZ_FETCHES_DIR/coverage -o $MOZ_FETCHES_DIR/coverage.xml && uv run python taskcluster/scripts/codecov-upload.py']
[task 2025-10-17T13:35:39.032+00:00] + uv run coverage combine --data-file /builds/worker/fetches/coverage /builds/worker/fetches
[task 2025-10-17T13:35:39.039+00:00] Using CPython 3.13.2
[task 2025-10-17T13:35:39.039+00:00] Creating virtual environment at: .venv
[task 2025-10-17T13:35:39.065+00:00] warning: Failed to hardlink files; falling back to full copy. This may lead to degraded performance.
[task 2025-10-17T13:35:39.065+00:00]          If the cache and target directories are on different filesystems, hardlinking may not be supported.
[task 2025-10-17T13:35:39.065+00:00]          If this is intentional, set `export UV_LINK_MODE=copy` or use `--link-mode=copy` to suppress this warning.
[task 2025-10-17T13:35:39.287+00:00] Installed 92 packages in 223ms
[task 2025-10-17T13:35:39.977+00:00] Combined data file ../../fetches/coverage.py310
[task 2025-10-17T13:35:39.977+00:00] Combined data file ../../fetches/coverage.py311
[task 2025-10-17T13:35:39.977+00:00] Combined data file ../../fetches/coverage.py312
[task 2025-10-17T13:35:39.977+00:00] Combined data file ../../fetches/coverage.py313
[task 2025-10-17T13:35:39.977+00:00] Combined data file ../../fetches/coverage.py39
[task 2025-10-17T13:35:39.998+00:00] + uv run coverage xml --data-file /builds/worker/fetches/coverage -o /builds/worker/fetches/coverage.xml
[task 2025-10-17T13:35:42.203+00:00] Wrote XML report to /builds/worker/fetches/coverage.xml
[task 2025-10-17T13:35:42.573+00:00] + uv run python taskcluster/scripts/codecov-upload.py
[task 2025-10-17T13:35:44.211+00:00] info - 2025-10-17 13:35:44,211 -- ci service found: local
[task 2025-10-17T13:35:44.213+00:00] debug - 2025-10-17 13:35:44,213 -- versioning system found: <class 'codecov_cli.helpers.versioning_systems.GitVersioningSystem'>
[task 2025-10-17T13:35:44.214+00:00] debug - 2025-10-17 13:35:44,214 -- versioning system found: <class 'codecov_cli.helpers.versioning_systems.GitVersioningSystem'>
[task 2025-10-17T13:35:44.216+00:00] warning - 2025-10-17 13:35:44,215 -- No config file could be found. Ignoring config.
[task 2025-10-17T13:35:44.216+00:00] debug - 2025-10-17 13:35:44,216 -- No codecov_yaml found
[task 2025-10-17T13:35:44.227+00:00] debug - 2025-10-17 13:35:44,226 -- Starting upload process --- {"commit_sha": "338c4f98681770e18c701939f8af55c78d04beda", "report_code": "default", "build_code": null, "build_url": null, "job_code": null, "env_vars": {}, "flags": [], "name": null, "network_filter": null, "network_prefix": null, "network_root_folder": "/builds/worker/checkouts/vcs", "files_search_root_folder": "/builds/worker/checkouts/vcs", "files_search_exclude_folders": [], "files_search_explicitly_listed_files": ["/builds/worker/fetches/coverage.xml"], "plugin_names": ["xcode", "gcov", "pycoverage"], "token": "4******************", "branch": "faster-graph-traversal", "slug": "taskcluster/taskgraph", "pull_request_number": null, "git_service": "github", "disable_search": false, "disable_file_fixes": false, "fail_on_error": true, "handle_no_reports_found": false}
[task 2025-10-17T13:35:44.227+00:00] debug - 2025-10-17 13:35:44,227 -- Starting create commit process --- {"commit_sha": "338c4f98681770e18c701939f8af55c78d04beda", "parent_sha": null, "pr": null, "branch": "faster-graph-traversal", "slug": "taskcluster/taskgraph", "token": "4******************", "service": "github", "enterprise_url": null}
[task 2025-10-17T13:35:44.813+00:00] info - 2025-10-17 13:35:44,812 -- Process Commit creating complete
[task 2025-10-17T13:35:44.813+00:00] debug - 2025-10-17 13:35:44,813 -- Commit creating result --- {"result": "RequestResult(error=None, warnings=[], status_code=202, text='{\"status\":\"queued\"}\\n')"}
[task 2025-10-17T13:35:44.813+00:00] debug - 2025-10-17 13:35:44,813 -- Starting create report process --- {"commit_sha": "338c4f98681770e18c701939f8af55c78d04beda", "code": "default", "slug": "taskcluster/taskgraph", "service": "github", "enterprise_url": null, "token": "4******************"}
[task 2025-10-17T13:35:45.161+00:00] info - 2025-10-17 13:35:45,161 -- Process Report creating complete
[task 2025-10-17T13:35:45.162+00:00] debug - 2025-10-17 13:35:45,161 -- Report creating result --- {"result": "RequestResult(error=None, warnings=[], status_code=202, text='{\"status\":\"queued\"}\\n')"}
[task 2025-10-17T13:35:45.162+00:00] info - 2025-10-17 13:35:45,161 -- Finished creating report successfully --- {"response": "{\"status\":\"queued\"}\n"}
[task 2025-10-17T13:35:45.162+00:00] debug - 2025-10-17 13:35:45,162 -- Starting upload processing --- {"branch": "faster-graph-traversal", "build_code": null, "build_url": null, "commit_sha": "338c4f98681770e18c701939f8af55c78d04beda", "disable_file_fixes": false, "disable_search": false, "enterprise_url": null, "env_vars": {}, "files_search_exclude_folders": [], "files_search_explicitly_listed_files": ["/builds/worker/fetches/coverage.xml"], "files_search_root_folder": "/builds/worker/checkouts/vcs", "flags": [], "git_service": "github", "handle_no_reports_found": false, "job_code": null, "name": null, "network_filter": null, "network_prefix": null, "network_root_folder": "/builds/worker/checkouts/vcs", "plugin_names": ["xcode", "gcov", "pycoverage"], "pull_request_number": null, "report_code": "default", "slug": "taskcluster/taskgraph", "token": "4******************", "upload_file_type": "coverage"}
[task 2025-10-17T13:35:45.162+00:00] debug - 2025-10-17 13:35:45,162 -- Selected preparation plugins --- {"selected_plugins": ["<class 'codecov_cli.plugins.xcode.XcodePlugin'>", "<class 'codecov_cli.plugins.gcov.GcovPlugin'>", "<class 'codecov_cli.plugins.pycoverage.Pycoverage'>"]}
[task 2025-10-17T13:35:45.162+00:00] debug - 2025-10-17 13:35:45,162 -- Running preparation plugin: <class 'codecov_cli.plugins.xcode.XcodePlugin'>
[task 2025-10-17T13:35:45.162+00:00] debug - 2025-10-17 13:35:45,162 -- Running xcode plugin...
[task 2025-10-17T13:35:45.162+00:00] warning - 2025-10-17 13:35:45,162 -- xcrun is not installed or can't be found.
[task 2025-10-17T13:35:45.162+00:00] debug - 2025-10-17 13:35:45,162 -- Running preparation plugin: <class 'codecov_cli.plugins.gcov.GcovPlugin'>
[task 2025-10-17T13:35:45.162+00:00] debug - 2025-10-17 13:35:45,162 -- Running gcov plugin...
[task 2025-10-17T13:35:45.300+00:00] warning - 2025-10-17 13:35:45,300 -- No gcov data found.
[task 2025-10-17T13:35:45.300+00:00] debug - 2025-10-17 13:35:45,300 -- Running preparation plugin: <class 'codecov_cli.plugins.pycoverage.Pycoverage'>
[task 2025-10-17T13:35:45.435+00:00] warning - 2025-10-17 13:35:45,435 -- No coverage data found to transform
[task 2025-10-17T13:35:45.435+00:00] debug - 2025-10-17 13:35:45,435 -- Collecting relevant files
[task 2025-10-17T13:35:45.582+00:00] info - 2025-10-17 13:35:45,582 -- Found 1 coverage files to report
[task 2025-10-17T13:35:45.582+00:00] info - 2025-10-17 13:35:45,582 -- > /builds/worker/fetches/coverage.xml
[task 2025-10-17T13:35:45.587+00:00] debug - 2025-10-17 13:35:45,587 -- Selected uploader to use: <class 'codecov_cli.services.upload.upload_sender.UploadSender'>
[task 2025-10-17T13:35:45.594+00:00] debug - 2025-10-17 13:35:45,594 -- Sending upload request to Codecov
[task 2025-10-17T13:35:45.954+00:00] info - 2025-10-17 13:35:45,954 -- Your upload is now processing. When finished, results will be available at: https://app.codecov.io/github/taskcluster/taskgraph/commit/338c4f98681770e18c701939f8af55c78d04beda
[task 2025-10-17T13:35:45.954+00:00] debug - 2025-10-17 13:35:45,954 -- Upload request to Codecov complete. --- {"response": {"raw_upload_location": "https://storage.googleapis.com/codecov-production/shelter/github/taskcluster%3A%3A%3A%3Ataskgraph/338c4f98681770e18c701939f8af55c78d04beda/39728fc8-035e-4857-896f-47b88a91c1d6.txt?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=GOOG1EJWQHUGIBILH4J7Q6ZUSCIFNEOLYSNDS7L3B4N5SIBQ2J4YLYE5CRFCD%2F20251017%2Fus%2Fs3%2Faws4_request&X-Amz-Date=20251017T133545Z&X-Amz-Expires=30&X-Amz-SignedHeaders=host&X-Amz-Signature=e51d4903775c9b2487493a57456f1aebc59cab4db5fb9275dc5bde430e8e51fd", "url": "https://app.codecov.io/github/taskcluster/taskgraph/commit/338c4f98681770e18c701939f8af55c78d04beda"}}
[task 2025-10-17T13:35:45.954+00:00] debug - 2025-10-17 13:35:45,954 -- Sending upload to storage
[task 2025-10-17T13:35:46.467+00:00] info - 2025-10-17 13:35:46,467 -- Process Upload complete
[task 2025-10-17T13:35:46.467+00:00] debug - 2025-10-17 13:35:46,467 -- Upload result --- {"result": "RequestResult(error=None, warnings=[], status_code=200, text='')"}
[fetches 2025-10-17T13:35:46.577+00:00] removing /builds/worker/fetches
[fetches 2025-10-17T13:35:46.582+00:00] finished
[taskcluster 2025-10-17 13:35:47.226Z] === Task Finished ===
[taskcluster 2025-10-17 13:35:47.226Z] Successful task run with exit code: 0 completed in 11.68 seconds