https://bugs.kde.org/show_bug.cgi?id=441093
Bug ID: 441093
Summary: Feature: average queue size sensor for disks
Product: plasma-systemmonitor
Version: 5.22.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Target Milestone: ---
The average queue size is a good metric for how much a disk is working at any
given time. It is a better metric then the Read- and Write rates, as those fail
to take into account that reading 100MB sequentially is keeping a disk much
less busy than reading 100MB of random 4k blocks. If a user wants to know how
busy his (hard) disk currently is, the avereage queue size is the most
meaningful metric.
Therefore I propose that plasma-systemmonitor should offer a sensor for this
metric for every physical disk. A possible source of data would be iostat
(which labels is as aqu-sz)
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