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 11ms
- Initialize command 75ms
- Evaluate target patterns 6ms
- Load, analyze dependencies and build artifacts 304ms
- Complete build 0ms
334 events on 8 threads · wall 395ms · critical path 276ms
Action time by phase
- local execution 1× 255ms
- cache check 1× 2ms
- upload inputs 1× 2ms
- outputs 2× 1ms
Summed across threads: cache checks, input uploads, queueing, remote and local execution, output downloads.
Time by category
| general information | 320× | 2.0s |
| skyframe evaluator | 1× | 288ms |
| critical path component | 2× | 276ms |
| action processing | 2× | 275ms |
| action count (local) | 1× | 259ms |
| build phase marker | 1× | 11ms |
| bazel module processing | 3× | 6ms |
| remote action cache check | 1× | 2ms |
| complete action execution | 2× | 1ms |
| discover inputs | 1× | 1ms |
Action time by mnemonic
| CppCompile | 1× | 272ms |
| BazelWorkspaceStatusAction | 1× | 3ms |
Critical path
- action 'Compiling main/hello-world.cc' 274ms
- action 'Linking main/hello-world' 2ms
Longest events
| buildTargets | general information | Main Thread | 311ms |
| runAnalysisAndExecutionPhase | general information | Main Thread | 302ms |
| skyframeExecutor.evaluateBuildDriverKeys | general information | Main Thread | 289ms |
| ParallelEvaluator.eval | general information | Main Thread | 288ms |
| Parallel Evaluator evaluation | skyframe evaluator | Main Thread | 288ms |
| action 'Compiling main/hello-world.cc' | critical path component | Critical Path | 274ms |
| Compiling main/hello-world.cc | action processing | skyframe-evaluator-execution-5 | 272ms |
| Action.execute | general information | skyframe-evaluator-execution-5 | 271ms |
| Resources acquired | action count (local) | skyframe-evaluator-execution-5 | 259ms |
| subprocess.run | general information | skyframe-evaluator-execution-5 | 255ms |
| getAndVerifyServerCapabilities | general information | remote-executor-6 | 55ms |
| handleDiffs | general information | Main Thread | 53ms |
| handleDiffsWithMissingDiffInformation | general information | Main Thread | 44ms |
| fsvc.getDirtyKeys | general information | Main Thread | 44ms |
| Launch Blaze | build phase marker | Main Thread | 11ms |
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.