Re: nested KVM slower than QEMU with gnumach guest kernel

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Jan Kiszka, le Mon 17 Nov 2014 07:28:23 +0100, a écrit :
> > AIUI, the external interrupt is 0xf6, i.e. Linux' IRQ_WORK_VECTOR.  I
> > however don't see any of them, neither in L0's /proc/interrupts, nor in
> > L1's /proc/interrupts...
> 
> I suppose this is a SMP host and guest?

L0 is a hyperthreaded quad-core, but L1 is only 1 VCPU.  In the trace,
L1 happens to have been apparently always scheduled on the same L0 CPU:
trace-cmd tells me that CPU [0-24-7] are empty.

Samuel
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