** Changed in: linux (Ubuntu Focal)
Status: Incomplete => Confirmed
** Changed in: linux (Ubuntu Groovy)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1891151
Title:
md: improve IO accounting
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Focal:
Confirmed
Status in linux source package in Groovy:
Confirmed
Bug description:
[IMPACT]
Currently reported IO stats may be incorrect or missing.
This adds correct statistics about in-flight IOs and IO processing time,
interpreted e.g. in iostat as await, svctm, aqu-sz and %util.
[FIX]
Commit:
41d2d848 md: improve io stats accounting
This isn't a clean cherry pick to either 5.8 or 5.4, so some backport
work is necessary.
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