On 11/08/2015 23:34, Frederic Konrad wrote: >>> >> Also if qemu_cond_broadcast(&qemu_io_proceeded_cond) is being dropped >> there is no point keeping the guff around in qemu_tcg_wait_io_event. >> > Yes good point. > > BTW this leads to high consumption of host CPU eg: 100% per VCPU thread as > the VCPUs thread are no longer waiting for qemu_io_proceeded_cond.
If the guest CPU is busy waiting, that's expected. But if the guest CPU is halted, it should not have 100% host CPU consumption. Paolo
