Dor Laor wrote: >> > > >> > > vmx (and svm) allow us to add an offset to the physical tsc. We >> set it >> > > on startup to -tsc (so that an rdtsc on boot would return 0), and >> > > massage it on vcpu migration so that guest rdtsc is monotonic. >> > > >> > > The net effect is that tsc on a vcpu can experience large forward >> jumps >> > > and changes in rate, but no negative jumps. >> > >> > Changes in rate does not sound good. It's possibly what's screwing up >> > my paravirt clock implementation in smp. >> >> Do you mean in the case of VM migration, or just starting them on a >> single >> host? >> > It's the cpu preemption stuff on local host and not VM migration
No, migrating a vcpu to another cpu. -- error compiling committee.c: too many arguments to function ------------------------------------------------------------------------- SF.Net email is sponsored by: Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
