Source code for libqtile.widget.hdd

# Copyright (c) 2024 Florian G. Hechler

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from libqtile.widget import base


[docs]class HDD(base.ThreadPoolText): """ Displays HDD usage in percent based on the number of milliseconds the device has been performing I/O operations. """ defaults = [ ("device", "sda", "Block device to monitor (e.g. sda)"), ( "format", "HDD {HDDPercent}%", "HDD display format", ), ] def __init__(self, **config): super().__init__("", **config) self.add_defaults(HDD.defaults) self.path = f"/sys/block/{self.device}/stat" self._prev = 0 def poll(self): variables = dict() # Field index 9 contains the number of milliseconds the device has been performing I/O operations with open(self.path) as f: io_ticks = int(f.read().split()[9]) variables["HDDPercent"] = round( max(min(((io_ticks - self._prev) / self.update_interval) / 10, 100.0), 0.0), 1 ) self._prev = io_ticks return self.format.format(**variables)