anti
319c1dbb61
New `profile` optional-deps group, opt-in Pyinstrument ASGI middleware gated by DECNET_PROFILE_REQUESTS, bench marker + tests/perf/ micro-benchmarks for repository hot paths, and scripts/profile/ helpers for py-spy/cProfile/memray.
19 lines
650 B
Bash
Executable File
19 lines
650 B
Bash
Executable File
#!/usr/bin/env bash
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# Attach py-spy to the running DECNET uvicorn worker(s) and record a flamegraph.
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# Requires sudo on Linux because of kernel.yama.ptrace_scope=1 by default.
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set -euo pipefail
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DURATION="${DURATION:-30}"
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OUT="${OUT:-profiles/pyspy-$(date +%s).svg}"
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mkdir -p "$(dirname "$OUT")"
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PID="$(pgrep -f 'uvicorn decnet.web.api' | head -n 1 || true)"
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if [[ -z "${PID}" ]]; then
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echo "No uvicorn worker found. Start the API first (e.g. 'decnet deploy ...')." >&2
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exit 1
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fi
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echo "Attaching py-spy to PID ${PID} for ${DURATION}s -> ${OUT}"
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sudo py-spy record -o "${OUT}" -p "${PID}" -d "${DURATION}" --subprocesses
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echo "Wrote ${OUT}"
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