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 12ms
- Initialize command 55ms
- Evaluate target patterns 5ms
- Load, analyze dependencies and build artifacts 286ms
- Complete build 0ms
346 events on 8 threads · wall 358ms · critical path 265ms
Action time by phase
- local execution 2× 516ms
- outputs 3× 1ms
Summed across threads: cache checks, input uploads, queueing, remote and local execution, output downloads.
Time by category
| general information | 329× | 2.3s |
| action processing | 3× | 528ms |
| action count (local) | 2× | 520ms |
| skyframe evaluator | 1× | 273ms |
| critical path component | 2× | 265ms |
| build phase marker | 1× | 12ms |
| bazel module processing | 3× | 4ms |
| complete action execution | 3× | 1ms |
| discover inputs | 2× | 1ms |
Action time by mnemonic
| CppCompile | 2× | 527ms |
| BazelWorkspaceStatusAction | 1× | 2ms |
Critical path
- action 'Compiling lib/hello-time.cc' 265ms
- action 'Linking lib/libhello-time.so' 1ms
Longest events
| buildTargets | general information | Main Thread | 293ms |
| runAnalysisAndExecutionPhase | general information | Main Thread | 285ms |
| skyframeExecutor.evaluateBuildDriverKeys | general information | Main Thread | 273ms |
| ParallelEvaluator.eval | general information | Main Thread | 273ms |
| Parallel Evaluator evaluation | skyframe evaluator | Main Thread | 273ms |
| action 'Compiling lib/hello-time.cc' | critical path component | Critical Path | 265ms |
| Compiling lib/hello-time.cc | action processing | skyframe-evaluator-execution-2 | 264ms |
| Compiling main/hello-world.cc | action processing | skyframe-evaluator-execution-6 | 263ms |
| Action.execute | general information | skyframe-evaluator-execution-2 | 263ms |
| Action.execute | general information | skyframe-evaluator-execution-6 | 262ms |
| Resources acquired | action count (local) | skyframe-evaluator-execution-2 | 261ms |
| Resources acquired | action count (local) | skyframe-evaluator-execution-6 | 259ms |
| subprocess.run | general information | skyframe-evaluator-execution-2 | 259ms |
| subprocess.run | general information | skyframe-evaluator-execution-6 | 257ms |
| handleDiffs | general information | Main Thread | 38ms |
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.