[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 1 of 1] xen-backwatch: Deal with broken frontend/backend ring I/O
Adds tool support to debug backends which expose I/O ring state in sysfs. Currently supports /sys/devices/xen-backend/vbd-*-*/io_ring nodes for block I/O, where implemented. Primary function is to observe ring state make progress over a period of time, then report stuck message queue halves where pending consumer/event are not moving. Adding --kick will re-issue event notifications to frontends, and/or kick backends out of wait state. Signed-off-by: Daniel Stodden <daniel.stodden@xxxxxxxxxx> Attachment:
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