Edit File: monitor_disk.py
import tuned.monitors import os class DiskMonitor(tuned.monitors.Monitor): _supported_vendors = ["ATA", "SCSI"] @classmethod def _init_available_devices(cls): block_devices = os.listdir("/sys/block") available = set(filter(cls._is_device_supported, block_devices)) cls._available_devices = available for d in available: cls._load[d] = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] @classmethod def _is_device_supported(cls, device): vendor_file = "/sys/block/%s/device/vendor" % device try: vendor = open(vendor_file).read().strip() except IOError: return False return vendor in cls._supported_vendors @classmethod def update(cls): for device in cls._updating_devices: cls._update_disk(device) @classmethod def _update_disk(cls, dev): with open("/sys/block/" + dev + "/stat") as statfile: cls._load[dev] = list(map(int, statfile.read().split()))
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