succeeded bazel build //...
Scroll to zoom at the cursor, drag to pan, shift+drag (or drag in the axis) to zoom to a range, drag the overview to move. Click an event for its details and action breakdown, double-click to zoom to it, click a thread name to collapse it. Keys: +/- zoom, ←/→ pan, 0 reset, / search, c critical path, Esc clear.
Phases
- Launch Blaze 1.1s
- Initialize command 2.3s
- Evaluate target patterns 639ms
- Load, analyze dependencies and build artifacts 2.7s
- Complete build 12ms
1456 events on 159 threads · wall 6.7s · critical path 2.0s
Action time by phase
- download outputs 196× 20.8s
- local execution 2× 3.0s
- outputs 18× 18ms
Summed across threads: cache checks, input uploads, queueing, remote and local execution, output downloads.
Time by category
| bazel module processing | 569× | 36.7s |
| general information | 485× | 25.4s |
| Starlark user function call | 19× | 5.5s |
| Fetching repository | 159× | 5.5s |
| Starlark thread context | 15× | 5.1s |
| Starlark repository function call | 14× | 5.0s |
| skyframe evaluator | 9× | 4.7s |
| Starlark builtin function call | 12× | 4.5s |
| action processing | 18× | 3.2s |
| action count (local) | 2× | 3.1s |
Action time by mnemonic
| Genrule | 2× | 3.1s |
| BazelWorkspaceStatusAction | 1× | 29ms |
| SymlinkTree | 3× | 10ms |
| ExecutableSymlink | 3× | 8ms |
| RepoMappingManifest | 3× | 5ms |
| SourceSymlinkManifest | 3× | 4ms |
| RunfilesTree | 3× | 2ms |
Critical path
- action 'Executing genrule //lib:slow' 2.0s
Longest events
| buildTargets | general information | Main Thread | 3.4s |
| runAnalysisAndExecutionPhase | general information | Main Thread | 2.7s |
| skyframeExecutor.evaluateBuildDriverKeys | general information | Main Thread | 2.4s |
| ParallelEvaluator.eval | general information | Main Thread | 2.3s |
| Parallel Evaluator evaluation | skyframe evaluator | Main Thread | 2.3s |
| Executing genrule //lib:slow | action processing | skyframe-evaluator-execution-2 | 2.0s |
| action 'Executing genrule //lib:slow' | critical path component | Critical Path | 2.0s |
| Action.execute | general information | skyframe-evaluator-execution-2 | 2.0s |
| Resources acquired | action count (local) | skyframe-evaluator-execution-2 | 2.0s |
| subprocess.run | general information | skyframe-evaluator-execution-2 | 2.0s |
| compute main repo mapping | bazel module processing | Main Thread | 1.6s |
| ParallelEvaluator.eval | general information | Main Thread | 1.6s |
| Parallel Evaluator evaluation | skyframe evaluator | Main Thread | 1.6s |
| @@protobuf+ | Fetching repository | skyframe-evaluator-3 | 1.4s |
| protobuf+ | Starlark repository function call | starlark-repository-protobuf-0 (Virtual) | 1.3s |
Timeline from build events (tests and reported actions)
Phases from Bazel's timing metrics, tests from their attempt timings, actions as reported (all actions with --build_event_publish_all_actions).
The full per-action profile timeline arrives once the build's
command.profile.gz
can be fetched.