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SubjectRe: lots of APIC_TMICT exit on VM with assigned NIC
On 07/12/2012 02:54 AM, sheng qiu wrote:
> Hi all,
>
> i saw lots of APIC_TMICT exits while running a linux guest with
> assigned NIC. The APIC_TMICT exits is only a little fewer than the
> number of injected interrupts while handling network traffic on the
> assigned NIC.
> The network traffic was generated by running netperf on another
> machine targeted at the VM.
>
> Is this normal? if not, what kind of problem may cause it?

I'm guessing the driver sets a timer on every interrupt.

What is the value written? If it's large, perhaps we can set some slack
on the timer so it's not re-set every time.


--
error compiling committee.c: too many arguments to function




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