Function measure

tasks/benchmark.py:129–137

()

    holder.start()

    async def measure() -> float:
        waiter = AsyncFileLock(path)
        task = asyncio.ensure_future(waiter.acquire(poll_interval=0.01))
        await asyncio.sleep(0.02)
        started = time.perf_counter()
        task.cancel()
        with suppress(asyncio.CancelledError):
            await task
        return time.perf_counter() - started

    try:
        acquired.wait(timeout=5)