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�Kc @ s d e f d � � YZ d S( t dstat_pluginc B s; e Z d Z d � Z d � Z d � Z d � Z d � Z RS( s
Percentage of bandwidth utilization for block devices.
Displays percentage of CPU time during which I/O requests were issued
to the device (bandwidth utilization for the device). Device saturation
occurs when this value is close to 100%.
c C sP d | _ d | _ d | _ d | _ t j d � | _ | j d � d | _ d S( Nt utilt fi i"