Re: [Xen-devel] [PATCH 1 of 1] xen-backwatch: Deal with broken frontend/backend ring I/O

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Daniel Stodden writes ("[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.

Thanks.

> 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.

This seems to have only one entry in COMMANDS, "check".  Is that
right ?  And it doesn't seem to provide a way to specify a particular
domain to look for ?

I'm happy to take it as-is as it seems like a better-than-nothing tool
but I just wanted to check I'd understood it, first.

Ian.

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