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feat(gateway): profile watched gateway startup

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This commit is contained in:
Peter Steinberger
2026-05-02 17:05:26 +01:00
parent bd83f8a844
commit 20bb52e42c
5 changed files with 190 additions and 3 deletions
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17
docs/help/debugging.md
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@@ -246,6 +246,23 @@ Disable auto-attach while keeping tmux management:
OPENCLAW_GATEWAY_WATCH_ATTACH=0 pnpm gateway:watch
```
Profile watched Gateway CPU time when debugging startup/runtime hotspots:
```bash
pnpm gateway:watch --benchmark
```
The watch wrapper consumes `--benchmark` before invoking the Gateway and writes
one V8 `.cpuprofile` per Gateway child exit under
`.artifacts/gateway-watch-profiles/`. Stop or restart the watched gateway to
flush the current profile, then open it with Chrome DevTools or Speedscope:
```bash
npx speedscope .artifacts/gateway-watch-profiles/*.cpuprofile
```
Use `--benchmark-dir <path>` when you want profiles somewhere else.
The tmux wrapper carries common non-secret runtime selectors such as
`OPENCLAW_PROFILE`, `OPENCLAW_CONFIG_PATH`, `OPENCLAW_STATE_DIR`,
`OPENCLAW_GATEWAY_PORT`, and `OPENCLAW_SKIP_CHANNELS` into the pane. Put