jaikumar Ganesh wrote:> Hi All
> I am currently looking to log all the disk and network related
> accesses that guest domains make. I was looking to log them at the
> backend driver on Domain 0. Any pointers to the files/functions that I
> must look at?
>
First, please don''t cross-post to xen-devel/xen-users. It''s
impolite.
I''m not sure what granularity of logging you wish to do, but if you
want
to see how much activity there is (which I reckon is what you really
want), then I suggest taking a peek at
/sys/class/net/vif<domid>.<vifnum>/statistics/[rt]x_bytes for the
network activity.
The disk activity can be found by looking at the
/sys/block/<device>/stat. The format of that file is:
reads read_merges read_sectors read_ticks writes write_merges
write_sectors write_ticks in_flight io_ticks time_in_queue
You''ll have to find a way to figure out which devices are used by which
domains. If you''ve got multiple domains using the same device,
I''m not
sure if there''s a way to identify which domains has contributed to what
IO operations...
Regards,
Anthony Liguori> Thanks
> Jaikumar
>
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