On Thu, 25 Feb 2021 20:39:20 +0530 Arnabjyoti Kalita <akal...@cs.stonybrook.edu> wrote:
> Hello all, > > [...] > > - Let's say we record the clock values when the guest starts in KVM mode, > and we replay the clock values when the guest starts in TCG mode. Does the > record-replay functionality change a lot? Record-replay only works in TCG mode, as one needs to intercept rdtsc/wrtsc instructions (among others) and KVM doesn't support that. Regards, Lukas Straub > - Also, I couldn't understand the specific purpose of replaying the > 'virtual real time clock' ? Do I still need to record and replay the > 'virtual real time clock' if we record the clock values in KVM mode, and > replay the clock values in TCG mode? > > Thank you very much. > > Best Regards, > Arnab --
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