path: knot_3.5.3-2/python/knot_exporter/knot_exporter/knot_exporter.py
    out = dict()
    try:
        pids = subprocess.check_output(['pidof', 'knotd']).decode().split()
        for pid in pids:
            out[pid] = psutil.Process(int(pid)).memory_info()._asdict()['rss']