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 10ms
- Initialize command 59ms
- Evaluate target patterns 5ms
- Load, analyze dependencies and build artifacts 290ms
- Complete build 0ms
369 events on 11 threads · wall 364ms · critical path 264ms
Action time by phase
- local execution 2× 494ms
- cache check 2× 4ms
- upload inputs 2× 2ms
- outputs 3× 2ms
Summed across threads: cache checks, input uploads, queueing, remote and local execution, output downloads.
Time by category
| general information | 350× | 2.4s |
| action processing | 3× | 514ms |
| action count (local) | 2× | 498ms |
| skyframe evaluator | 1× | 275ms |
| critical path component | 2× | 264ms |
| build phase marker | 1× | 10ms |
| bazel module processing | 3× | 4ms |
| remote action cache check | 2× | 4ms |
| complete action execution | 3× | 2ms |
| discover inputs | 2× | 1ms |
Action time by mnemonic
| CppCompile | 2× | 512ms |
| BazelWorkspaceStatusAction | 1× | 2ms |
Critical path
- action 'Compiling main/hello-world.cc' 264ms
- action 'Linking main/hello-world' 1ms
Longest events
| buildTargets | general information | Main Thread | 297ms |
| runAnalysisAndExecutionPhase | general information | Main Thread | 288ms |
| skyframeExecutor.evaluateBuildDriverKeys | general information | Main Thread | 275ms |
| ParallelEvaluator.eval | general information | Main Thread | 275ms |
| Parallel Evaluator evaluation | skyframe evaluator | Main Thread | 275ms |
| action 'Compiling main/hello-world.cc' | critical path component | Critical Path | 264ms |
| Compiling main/hello-world.cc | action processing | skyframe-evaluator-execution-3 | 262ms |
| Action.execute | general information | skyframe-evaluator-execution-3 | 261ms |
| Resources acquired | action count (local) | skyframe-evaluator-execution-3 | 256ms |
| subprocess.run | general information | skyframe-evaluator-execution-3 | 254ms |
| Compiling lib/hello-time.cc | action processing | skyframe-evaluator-execution-4 | 250ms |
| Action.execute | general information | skyframe-evaluator-execution-4 | 249ms |
| Resources acquired | action count (local) | skyframe-evaluator-execution-4 | 242ms |
| subprocess.run | general information | skyframe-evaluator-execution-4 | 240ms |
| getAndVerifyServerCapabilities | general information | remote-executor-3 | 56ms |
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.