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xen-users
Re: [Xen-users] CPU activity: top and xm top
...
> > I wanted to inspect interrupts activity using sar,
> > but without success. Unfortunately sar doesn't report interrupts
> > activity under Xen :(
> > (May be I can use /proc/interrupts and get information from this
> > file? Will it be correct?)
>
> It should be correct as to what Dom0 is doing, it won't show interrupts
> that go to Xen but are "hidden" from Dom0 (but I doubt that is many).
Will interrupts processed by hypervisor itself
(without help of the Linux kernel)
be visible in this file?
> >
> > So my machine is idle but I have 20% of CPU activity for domain 0.
> > The question is: How can I get exactly know for what is this
> > 20% spending?
> > What tools (or interfaces e.g. /proc files) can I use for this?
>
> Xenoprofile is probably your best bet.
>
Thank you for the idea.
--
WBR, i.m.chubin
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