Re: [Qemu-devel] guest host time synchronization

2017-04-18 Thread Jiahuan Zhang
On 18 April 2017 at 16:32, Stefan Hajnoczi wrote: > On Tue, Apr 11, 2017 at 09:01:40AM +0200, Jiahuan Zhang wrote: > > I made a test to check the time difference of QEMU emulated ARM-based > Linux > > guest and the Windows host. The result is, the guest time is around 0.2 > > second faster than t

Re: [Qemu-devel] guest host time synchronization

2017-04-18 Thread Stefan Hajnoczi
On Tue, Apr 11, 2017 at 09:01:40AM +0200, Jiahuan Zhang wrote: > I made a test to check the time difference of QEMU emulated ARM-based Linux > guest and the Windows host. The result is, the guest time is around 0.2 > second faster than the host. I used the "-rtc base" option. > > So can I say that

[Qemu-devel] guest host time synchronization

2017-04-11 Thread Jiahuan Zhang
Dear QEMU developers, I made a test to check the time difference of QEMU emulated ARM-based Linux guest and the Windows host. The result is, the guest time is around 0.2 second faster than the host. I used the "-rtc base" option. So can I say that, the time precision of QEMU emulation is in secon