kvm_write_tsc() converts from guest TSC to microseconds, not nanoseconds
as intended. The result is that the window for matching is 1000 seconds,
not 1 second.
Microsecond precision is enough for checking whether the TSC write delta
is within the heuristic values, so use it instead of nanoseconds
On 2012-03-08 22:46, Marcelo Tosatti wrote:
>
> kvm_write_tsc() converts from guest TSC to microseconds, not nanoseconds
> as intended. The result is that the window for matching is 1000 seconds,
> not 1 second.
>
> Microsecond precision is enough for checking whether the TSC write delta
> is wit
On Wed, Mar 14, 2012 at 12:02:41PM +0100, Jan Kiszka wrote:
> On 2012-03-08 22:46, Marcelo Tosatti wrote:
> >
> > kvm_write_tsc() converts from guest TSC to microseconds, not nanoseconds
> > as intended. The result is that the window for matching is 1000 seconds,
> > not 1 second.
> >
> > Microse
