On 02/02/2015 13:42, Pavel Dovgaluk wrote: >> From: Paolo Bonzini [mailto:pbonz...@redhat.com] >> On 02/02/2015 13:28, Pavel Dovgaluk wrote: >>>>>>> cpu->exception_index = EXCP_INTERRUPT; >>>>>>> next_tb = 0; >>>>>>> + qemu_notify_event(); >>>>> >>>>> Why is this needed? >>> It is needed to wake up iothread in replay mode. >>> Otherwise it waits for additional time and replay becomes too slow. >> >> What event (something from a timerlist?) is ready, that has not been >> notified to the iothread yet? qemu_notify_event() should never be >> needed in common case. It's probably missing somewhere else. > > I think in this case there are no events at all - just reading timers values > that were made while recording. > We have to replay these reads by waking iothread.
I think the right place for this is in replay_read_next_clock then. Paolo
