succeeded bazel build //:protoc //src/google/protobuf:protobuf
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 5.2s
- Evaluate target patterns 779ms
- Load, analyze dependencies and build artifacts 3m 01s
- Complete build 0ms
12019 events on 267 threads · wall 3m 08s · critical path 27.8s
Action time by phase
- local execution 441× 22m 32s
- download outputs 499× 1m 01s
- upload inputs 304× 16.9s
- cache check 222× 3.8s
- outputs 515× 755ms
Summed across threads: cache checks, input uploads, queueing, remote and local execution, output downloads.
Time by category
| general information | 7077× | 57m 59s |
| action processing | 843× | 23m 01s |
| action count (local) | 441× | 22m 39s |
| skyframe evaluator | 11× | 3m 06s |
| bazel module processing | 1007× | 1m 55s |
| Unknown event | 815× | 1m 03s |
| critical path component | 8× | 27.8s |
| Remote execution upload time | 188× | 16.5s |
| Starlark user function call | 64× | 14.7s |
| Starlark thread context | 32× | 10.6s |
Action time by mnemonic
| CppCompile | 536× | 22m 56s |
| CppLink | 4× | 2.4s |
| CppArchive | 1× | 995ms |
| Symlink | 287× | 890ms |
| Genrule | 2× | 66ms |
| BazelWorkspaceStatusAction | 1× | 23ms |
| RepoMappingManifest | 4× | 22ms |
| SymlinkTree | 4× | 18ms |
| SourceSymlinkManifest | 4× | 13ms |
Critical path
- action 'Symlinking virtual headers for //src/google/protobuf/compiler:command_line_interface [for tool]' 15ms
- action 'Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]' 18.1s
- action 'Linking src/google/protobuf/compiler/protoc_minimal [for tool]' 83ms
- runfiles for //src/google/protobuf/compiler:protoc_minimal 0ms
- action 'Executing genrule //upb/reflection:gen_descriptor_upb_proto_upb_stage1' 152ms
- action 'Compiling src/google/protobuf/compiler/rust/generator.cc' 8.8s
- action 'Linking protoc' 713ms
- runfiles for //:protoc 0ms
Longest events
| buildTargets | general information | Main Thread | 3m 02s |
| runAnalysisAndExecutionPhase | general information | Main Thread | 3m 01s |
| skyframeExecutor.evaluateBuildDriverKeys | general information | Main Thread | 3m 01s |
| ParallelEvaluator.eval | general information | Main Thread | 3m 01s |
| Parallel Evaluator evaluation | skyframe evaluator | Main Thread | 3m 01s |
| Compiling src/google/protobuf/descriptor.cc | action processing | skyframe-evaluator-execution-5 | 23.0s |
| Action.execute | general information | skyframe-evaluator-execution-5 | 23.0s |
| Resources acquired | action count (local) | skyframe-evaluator-execution-5 | 22.8s |
| subprocess.run | general information | skyframe-evaluator-execution-5 | 22.8s |
| action 'Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool]' | critical path component | Critical Path | 18.1s |
| Compiling src/google/protobuf/compiler/command_line_interface.cc [for tool] | action processing | skyframe-evaluator-execution-6 | 18.1s |
| Action.execute | general information | skyframe-evaluator-execution-6 | 18.1s |
| Compiling src/google/protobuf/compiler/cpp/message.cc | action processing | skyframe-evaluator-execution-4 | 18.1s |
| Resources acquired | action count (local) | skyframe-evaluator-execution-6 | 18.0s |
| Action.execute | general information | skyframe-evaluator-execution-4 | 18.0s |
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.