On 09/05/2013 09:42 PM, Benjamin Herrenschmidt wrote: > On Thu, 2013-09-05 at 19:48 +1000, Alexey Kardashevskiy wrote: >>>> I do not have pure guest timebase in QEMU and I need it on the destination. >>>> But I have host timebase + offset to calculate it. And tb_offset is already >>>> in ppc_tb_t. It looked logical to me to send the existing field and add >>>> only the missing part. >>> >>> I still don't understand. You want the guest visible timebase in the >>> migration stream, no? >> >> >> Yes. I do not really understand the problem here (and I am not playing >> dump). Do you suggest sending just the guest timebase and do not send the >> host timebase and the offset (one number instead of two)? I can do that, >> makes sense, no problem, thanks for the idea. > > No, we want to send the guest TB and the corresponding "time of day" so that > the target can adjust the TB based on how long the migration took.
Nobody is discussing time_of_the_day, it is there and transmitted. The only question is whether to send host_timebase and tb_offset (2 values) or just guest timebase (1 value). -- Alexey
