Il 05/07/2012 12:29, Jason Wang ha scritto:
Sometimes, virtio device need to configure irq affiniry hint to maximize the
performance. Instead of just exposing the irq of a virtqueue, this patch
introduce an API to set the affinity for a virtqueue.
The api is best-effort, the affinity hint
Il 30/07/2012 08:27, Paolo Bonzini ha scritto:
Did you set the affinity manually in your experiments, or perhaps
there
is a difference between scsi and networking... (interrupt mitigation?)
You need to run irqbalancer in guest to make it actually work. Do you?
Yes, of course, now
On 08/09/2012 06:13 PM, Paolo Bonzini wrote:
Il 05/07/2012 12:29, Jason Wang ha scritto:
Sometimes, virtio device need to configure irq affiniry hint to maximize the
performance. Instead of just exposing the irq of a virtqueue, this patch
introduce an API to set the affinity for a virtqueue.
Il 29/07/2012 22:40, Michael S. Tsirkin ha scritto:
Did you set the affinity manually in your experiments, or perhaps there
is a difference between scsi and networking... (interrupt mitigation?)
You need to run irqbalancer in guest to make it actually work. Do you?
Yes, of course, now on
On Fri, Jul 27, 2012 at 04:38:11PM +0200, Paolo Bonzini wrote:
Il 05/07/2012 12:29, Jason Wang ha scritto:
Sometimes, virtio device need to configure irq affiniry hint to maximize the
performance. Instead of just exposing the irq of a virtqueue, this patch
introduce an API to set the
Il 05/07/2012 12:29, Jason Wang ha scritto:
Sometimes, virtio device need to configure irq affiniry hint to maximize the
performance. Instead of just exposing the irq of a virtqueue, this patch
introduce an API to set the affinity for a virtqueue.
The api is best-effort, the affinity hint
Sometimes, virtio device need to configure irq affiniry hint to maximize the
performance. Instead of just exposing the irq of a virtqueue, this patch
introduce an API to set the affinity for a virtqueue.
The api is best-effort, the affinity hint may not be set as expected due to
platform support,