On Wed, Oct 10, 2012 at 3:05 PM, Christoffer Dall <c.dall@xxxxxxxxxxxxxxxxxxxxxx> wrote: > On Wed, Oct 10, 2012 at 3:04 PM, Alexander Graf <agraf@xxxxxxx> wrote: >> >> >> On 10.10.2012, at 21:02, Peter Maydell <peter.maydell@xxxxxxxxxx> wrote: >> >>> On 10 October 2012 19:50, Alexander Graf <agraf@xxxxxxx> wrote: >>>> Network emulation in QEMU is more than just slow (expected). >>>> >>>> >>>> Why is this expected? This performance drop is quite terrifying. >>> >>> Well, it's pretty poor (and suggests the exit path could >>> be optimised) but the reason that it is insanely slow rather >>> than merely not good is that the lan9118 requires a device >>> register read or write for every word of data transferred to >>> the network... >> >> Ouch. Any way we could fake a PCI controller and emulate some real hardware? >> > if we're doing anything else than the real hardware why not just use > virtio then? > oh, you mean some real hardware that the guest may anyway have driver support for but doesn't necessarily exist on the vexpress board? _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm
