feat(fetch-content): record a profiler marker for each fetched file - #1083

[taskcluster 2026-11-04T15:29:56.666Z] Worker Type (mozilla-t/pre-commit) settings:
[taskcluster 2026-11-04T15:29:56.666Z]   {
[taskcluster 2026-11-04T15:29:56.666Z]     "generic-worker": {
[taskcluster 2026-11-04T15:29:56.666Z]       "config": {
[taskcluster 2026-11-04T15:29:56.666Z]         "capacity": 1,
[taskcluster 2026-11-04T15:29:56.666Z]         "headlessTasks": true
[taskcluster 2026-11-04T15:29:56.666Z]       },
[taskcluster 2026-11-04T15:29:56.666Z]       "engine": "multiuser",
[taskcluster 2026-11-04T15:29:56.666Z]       "go-arch": "amd64",
[taskcluster 2026-11-04T15:29:56.666Z]       "go-os": "linux",
[taskcluster 2026-11-04T15:29:56.666Z]       "go-version": "go1.27.3",
[taskcluster 2026-11-04T15:29:56.666Z]       "release": "https://github.com/taskcluster/taskcluster/releases/tag/v113.2.0",
[taskcluster 2026-11-04T15:29:56.666Z]       "revision": "efb71e91e3502152e6eb1a82bbf98c3d4d99f75e",
[taskcluster 2026-11-04T15:29:56.666Z]       "source": "https://github.com/taskcluster/taskcluster/commits/efb71e91e3502152e6eb1a82bbf98c3d4d99f75e",
[taskcluster 2026-11-04T15:29:56.666Z]       "version": "113.2.0"
[taskcluster 2026-11-04T15:29:56.666Z]     },
[taskcluster 2026-11-04T15:29:56.666Z]     "image": "projects/taskcluster-imaging/global/images/gw-fxci-gcp-l1-2404-amd64-headless-googlecompute-2026-10-27",
[taskcluster 2026-11-04T15:29:56.666Z]     "instance-id": "8287186009641625631",
[taskcluster 2026-11-04T15:29:56.666Z]     "instance-type": "projects/887720501152/machineTypes/c3d-standard-4",
[taskcluster 2026-11-04T15:29:56.666Z]     "local-ipv4": "10.128.1.116",
[taskcluster 2026-11-04T15:29:56.666Z]     "project-id": "fxci-production-level1-workers",
[taskcluster 2026-11-04T15:29:56.666Z]     "public-hostname": "mozilla-t-pre-commit-ubbdrjcmrmqjzilb-tqdfw.c.fxci-production-level1-workers.internal",
[taskcluster 2026-11-04T15:29:56.666Z]     "public-ipv4": "34.58.124.143",
[taskcluster 2026-11-04T15:29:56.666Z]     "region": "us-central1",
[taskcluster 2026-11-04T15:29:56.666Z]     "zone": "us-central1-b"
[taskcluster 2026-11-04T15:29:56.666Z]   }
[taskcluster 2026-11-04T15:29:56.666Z] Task ID: A97rgz0kQjecY_6NbUOROg
[taskcluster 2026-11-04T15:29:56.666Z] === Task Starting ===
[taskcluster 2026-11-04T15:29:57.607Z] [mounts] Moving existing writable directory cache lint-pre-commit-uv-v1 from /home/generic-worker/caches/Xgdd7aLbTO2xYUyK3Ugqvw to /home/task_A97rgz0kQjecY_0/cache0
[taskcluster 2026-11-04T15:29:57.608Z] [mounts] Creating directory /home/task_A97rgz0kQjecY_0
[taskcluster 2026-11-04T15:29:57.616Z] [mounts] Successfully mounted writable directory cache '/home/task_A97rgz0kQjecY_0/cache0'
[taskcluster 2026-11-04T15:29:57.616Z] [mounts] Moving existing writable directory cache lint-pre-commit-repos-v1 from /home/generic-worker/caches/M1cBbW8cRsaL2_368WoBiA to /home/task_A97rgz0kQjecY_0/cache1
[taskcluster 2026-11-04T15:29:57.616Z] [mounts] Creating directory /home/task_A97rgz0kQjecY_0
[taskcluster 2026-11-04T15:29:57.626Z] [mounts] Successfully mounted writable directory cache '/home/task_A97rgz0kQjecY_0/cache1'
[taskcluster 2026-11-04T15:29:57.626Z] [mounts] Moving existing writable directory cache lint-pre-commit-checkout-taskcluster-taskgraph-v1 from /home/generic-worker/caches/fOMrHRy3RBWD7fmgydAH1w to /home/task_A97rgz0kQjecY_0/cache2
[taskcluster 2026-11-04T15:29:57.626Z] [mounts] Creating directory /home/task_A97rgz0kQjecY_0
[taskcluster 2026-11-04T15:29:57.635Z] [mounts] Successfully mounted writable directory cache '/home/task_A97rgz0kQjecY_0/cache2'
[taskcluster 2026-11-04T15:29:57.635Z] [d2g] Using cached docker image "docker.io/mozillareleases/taskgraph:run-task-v24.6.0@sha256:585c0fb90f39cd66baa1d3a3f43ab045d127140892ed0e327b6ee8043f264556"
[taskcluster 2026-11-04T15:29:57.638Z] Executing command 0: docker run -t --name taskcontainer_YZR2jDutTmmvq7-vRl_tdQ --memory-swap -1 --pids-limit -1 --pull=never --log-driver=none '--add-host=localhost.localdomain:127.0.0.1' -v '/home/task_A97rgz0kQjecY_0/cache0:/builds/worker/.cache/uv' -v '/home/task_A97rgz0kQjecY_0/cache1:/builds/worker/.cache/pre-commit' -v /home/task_A97rgz0kQjecY_0/cache2:/builds/worker/checkouts --network gw-task-A97rgz0kQjec-0 '--add-host=taskcluster:172.18.0.1' --env-file 'env.list' -- 'mozillareleases/taskgraph:run-task-v24.6.0@sha256:585c0fb90f39cd66baa1d3a3f43ab045d127140892ed0e327b6ee8043f264556' run-task --src-checkout=/builds/worker/checkouts/src --task-cwd=/builds/worker/checkouts/src -- bash -c 'uv tool install pre-commit && /builds/worker/.local/bin/pre-commit run --all-files'
[setup 2026-11-04T15:29:57.889+00:00] run-task started in /
[setup 2026-11-04T15:29:57.889+00:00] Invoked by command: --src-checkout=/builds/worker/checkouts/src --task-cwd=/builds/worker/checkouts/src -- bash -c uv tool install pre-commit && /builds/worker/.local/bin/pre-commit run --all-files
[setup 2026-11-04T15:29:57.889+00:00] Python version: 3.13.5
[setup 2026-11-04T15:29:57.889+00:00] Subprocess python version: 
cpython-3.13.5-linux-x86_64-gnu    /usr/bin/python3.13
cpython-3.13.5-linux-x86_64-gnu    /usr/bin/python3 -> python3.13
[cache 2026-11-04T15:29:57.981+00:00] cache /builds/worker/.cache/uv exists; requirements: gid=1000 uid=1000 version=1
[cache 2026-11-04T15:29:57.981+00:00] cache /builds/worker/.cache/pre-commit exists; requirements: gid=1000 uid=1000 version=1
[cache 2026-11-04T15:29:57.982+00:00] cache /builds/worker/checkouts exists; requirements: gid=1000 uid=1000 version=1
[setup 2026-11-04T15:29:57.982+00:00] running as worker:worker
[vcs 2026-11-04T15:29:57.982+00:00] executing ['git', 'config', '--global', '--add', 'safe.directory', '/builds/worker/checkouts/src']
[vcs 2026-11-04T15:29:57.984+00:00] executing ['git', 'config', '--global', 'checkout.workers', '0']
[vcs 2026-11-04T15:29:57.987+00:00] executing ['git', 'remote', 'set-url', 'origin', 'https://github.com/jcristau/taskgraph']
[vcs 2026-11-04T15:29:57.989+00:00] executing ['git', 'fetch', 'origin', 'fetch-content-markers']
[vcs 2026-11-04T15:29:58.280+00:00] From https://github.com/jcristau/taskgraph
[vcs 2026-11-04T15:29:58.280+00:00]  * branch            fetch-content-markers -> FETCH_HEAD
[vcs 2026-11-04T15:29:58.281+00:00]  * [new branch]      fetch-content-markers -> origin/fetch-content-markers
[vcs 2026-11-04T15:29:58.284+00:00] executing ['git', 'checkout', '-f', '-B', 'fetch-content-markers', '90850af3d033bee26498bc9d303dc0f7b7badfd4']
[vcs 2026-11-04T15:29:58.290+00:00] Switched to a new branch 'fetch-content-markers'
[vcs 2026-11-04T15:29:58.290+00:00] cleaning git checkout...
[vcs 2026-11-04T15:29:58.290+00:00] executing ['git', 'clean', '-nxdff']
[vcs 2026-11-04T15:29:58.293+00:00] removing ['/builds/worker/checkouts/src/.ruff_cache/']
[vcs 2026-11-04T15:29:58.294+00:00] successfully cleaned git checkout!
[vcs 2026-11-04T15:29:58.296+00:00] TinderboxPrint:<a href='https://github.com/jcristau/taskgraph/commit/90850af3d033bee26498bc9d303dc0f7b7badfd4' title='Built from taskgraph commit 90850af3d033bee26498bc9d303dc0f7b7badfd4'>90850af3d033bee26498bc9d303dc0f7b7badfd4</a>
PERFHERDER_DATA: {"framework": {"name": "vcs"}, "suites": [{"extraOptions": ["projects/887720501152/machineTypes/c3d-standard-4"], "lowerIsBetter": true, "name": "pull", "shouldAlert": false, "subtests": [], "value": 0.294478178024292}, {"extraOptions": ["projects/887720501152/machineTypes/c3d-standard-4"], "lowerIsBetter": true, "name": "update", "shouldAlert": false, "subtests": [], "value": 0.006657123565673828}, {"extraOptions": ["projects/887720501152/machineTypes/c3d-standard-4"], "lowerIsBetter": true, "name": "purge", "shouldAlert": false, "subtests": [], "value": 0.004136085510253906}, {"extraOptions": ["projects/887720501152/machineTypes/c3d-standard-4"], "lowerIsBetter": true, "name": "overall", "shouldAlert": false, "subtests": [], "value": 0.307114839553833}, {"extraOptions": ["projects/887720501152/machineTypes/c3d-standard-4"], "lowerIsBetter": true, "name": "overall_pull", "shouldAlert": false, "subtests": [], "value": 0.307114839553833}, {"extraOptions": ["projects/887720501152/machineTypes/c3d-standard-4"], "lowerIsBetter": true, "name": "overall_pull_fullcheckout", "shouldAlert": false, "subtests": [], "value": 0.307114839553833}]}
[setup 2026-11-04T15:29:58.296+00:00] UV_CACHE_DIR is /builds/worker/.cache/uv
[task 2026-11-04T15:29:58.296+00:00] executing ['bash', '-c', 'uv tool install pre-commit && /builds/worker/.local/bin/pre-commit run --all-files']
[task 2026-11-04T15:29:58.377+00:00] Resolved 11 packages in 71ms
[task 2026-11-04T15:29:58.380+00:00] warning: Failed to hardlink files; falling back to full copy. This may lead to degraded performance.
[task 2026-11-04T15:29:58.380+00:00]          If the cache and target directories are on different filesystems, hardlinking may not be supported.
[task 2026-11-04T15:29:58.380+00:00]          If this is intentional, set `export UV_LINK_MODE=copy` or use `--link-mode=copy` to suppress this warning.
[task 2026-11-04T15:29:58.398+00:00] Installed 11 packages in 19ms
[task 2026-11-04T15:29:58.398+00:00]  + cfgv==3.5.0
[task 2026-11-04T15:29:58.398+00:00]  + distlib==0.4.4
[task 2026-11-04T15:29:58.398+00:00]  + filelock==4.2.8
[task 2026-11-04T15:29:58.398+00:00]  + identify==2.6.20
[task 2026-11-04T15:29:58.398+00:00]  + nodeenv==1.12.0
[task 2026-11-04T15:29:58.398+00:00]  + packaging==26.3
[task 2026-11-04T15:29:58.399+00:00]  + platformdirs==4.14.4
[task 2026-11-04T15:29:58.399+00:00]  + pre-commit==4.7.0
[task 2026-11-04T15:29:58.399+00:00]  + python-discovery==1.9.4
[task 2026-11-04T15:29:58.399+00:00]  + pyyaml==6.0.3
[task 2026-11-04T15:29:58.399+00:00]  + virtualenv==21.15.5
[task 2026-11-04T15:29:58.400+00:00] Installed 1 executable: pre-commit
[task 2026-11-04T15:29:58.400+00:00] warning: `/builds/worker/.local/bin` is not on your PATH. To use installed tools, run `export PATH="/builds/worker/.local/bin:$PATH"` or `uv tool update-shell`.
[task 2026-11-04T15:29:58.742+00:00] trim trailing whitespace.................................................Passed
[task 2026-11-04T15:29:58.814+00:00] fix end of files.........................................................Passed
[task 2026-11-04T15:29:58.951+00:00] check yaml...............................................................Passed
[task 2026-11-04T15:29:59.026+00:00] check for added large files..............................................Passed
[task 2026-11-04T15:29:59.061+00:00] ruff (legacy alias)......................................................Passed
[task 2026-11-04T15:29:59.099+00:00] ruff format..............................................................Passed
[task 2026-11-04T15:29:59.123+00:00] uv-lock..................................................................Passed
[task 2026-11-04T15:29:59.344+00:00] yamllint.................................................................Passed
[task 2026-11-04T15:29:59.614+00:00] codespell................................................................Passed
[taskcluster 2026-11-04T15:30:00.353Z]                        Exit Code: 0
[taskcluster 2026-11-04T15:30:00.353Z]                        User Time: 5.536ms
[taskcluster 2026-11-04T15:30:00.353Z]                      Kernel Time: 23.252ms
[taskcluster 2026-11-04T15:30:00.353Z]                        Wall Time: 2.715266491s
[taskcluster 2026-11-04T15:30:00.353Z]  Average Available System Memory: 14.38 GiB
[taskcluster 2026-11-04T15:30:00.353Z]       Average System Memory Used: 1.23 GiB
[taskcluster 2026-11-04T15:30:00.353Z]          Peak System Memory Used: 1.37 GiB
[taskcluster 2026-11-04T15:30:00.353Z]              Total System Memory: 15.61 GiB
[taskcluster 2026-11-04T15:30:00.353Z]                           Result: SUCCEEDED
[taskcluster 2026-11-04T15:30:00.354Z] === Task Finished ===
[taskcluster 2026-11-04T15:30:00.354Z] Task Duration: 2.715812491s
[taskcluster 2026-11-04T15:30:00.370Z] [mounts] Preserving cache: Moving "/home/task_A97rgz0kQjecY_0/cache0" to "/home/generic-worker/caches/Xgdd7aLbTO2xYUyK3Ugqvw"
[taskcluster 2026-11-04T15:30:00.370Z] [mounts] Preserving cache: Moving "/home/task_A97rgz0kQjecY_0/cache1" to "/home/generic-worker/caches/M1cBbW8cRsaL2_368WoBiA"
[taskcluster 2026-11-04T15:30:00.370Z] [mounts] Preserving cache: Moving "/home/task_A97rgz0kQjecY_0/cache2" to "/home/generic-worker/caches/fOMrHRy3RBWD7fmgydAH1w"