Files
arbitrade/scripts/profile_latency.py
T
zwitschi cc11082ea7
CI / lint-test-build (push) Failing after 19s
feat: Implement latency profiling and guardrails for performance monitoring
- Added synthetic latency profiler scenarios and CLI scripts for baseline generation and regression checks.
- Introduced latency baseline and threshold artifacts for CI enforcement.
- Enhanced CI workflow with latency guardrail checks.
- Updated documentation to include latency profiling commands and performance metrics.
- Added unit tests for latency guardrail evaluation.
2026-06-01 14:47:52 +02:00

55 lines
1.7 KiB
Python

from __future__ import annotations
import argparse
import json
from datetime import UTC, datetime
from pathlib import Path
from arbitrade.perf.latency import run_latency_profile
def _format_summary(profile: dict[str, object]) -> str:
scenarios = profile.get("scenarios")
if not isinstance(scenarios, dict):
return "No scenarios found."
lines = ["Latency profiling summary:"]
for scenario_name, payload in scenarios.items():
if not isinstance(payload, dict):
continue
lines.append(f"- {scenario_name}")
stages = payload.get("stages")
if not isinstance(stages, dict):
continue
for stage_name, stage_payload in stages.items():
if not isinstance(stage_payload, dict):
continue
p95 = float(stage_payload.get("p95_ms", 0.0))
p99 = float(stage_payload.get("p99_ms", 0.0))
lines.append(f" - {stage_name}: p95={p95:.4f}ms p99={p99:.4f}ms")
return "\n".join(lines)
def main() -> int:
parser = argparse.ArgumentParser(description="Profile synthetic latency scenarios.")
parser.add_argument("--iterations", type=int, default=600)
parser.add_argument("--output", type=Path, default=None)
args = parser.parse_args()
profile = run_latency_profile(iterations=args.iterations)
profile["generated_at"] = datetime.now(UTC).isoformat()
print(_format_summary(profile))
if args.output is not None:
args.output.parent.mkdir(parents=True, exist_ok=True)
args.output.write_text(json.dumps(profile, indent=2), encoding="utf-8")
print(f"Wrote profile JSON to {args.output}")
return 0
if __name__ == "__main__":
raise SystemExit(main())