Re: [Xen-devel] Granularity of Credit and RTDS Scheduler

2017-01-14 Thread wy11
Thank you very much! Best Regards, Wenqiu Quoting Dario Faggioli <dario.faggi...@citrix.com>: On Sun, 2017-01-08 at 22:06 +, Dario Faggioli wrote: Il 08 gen 2017 08:31, Meng Xu <xumengpa...@gmail.com> ha scritto: [cc. Dario and George] On Fri, Jan 6, 2017 at 1:34 PM, wy11 &l

Re: [Xen-devel] Granularity of Credit and RTDS Scheduler

2017-01-11 Thread wy11
Thank you very much.I really appreciate your help. Best Regards, Wenqiu Quoting Dario Faggioli <dario.faggi...@citrix.com>: On Tue, 2017-01-10 at 15:32 -0600, wy11 wrote: If the time granularity of RTDS is nanosecond, then it is no longer a   problem. Can you please help me to know w

Re: [Xen-devel] Granularity of Credit and RTDS Scheduler

2017-01-10 Thread wy11
Dario and George] On Fri, Jan 6, 2017 at 1:34 PM, wy11 <w...@rice.edu> wrote: Dear Xen developers, Hi, Recently I read a paper about possible theft of service attacks in Xen hypervisor. https://arxiv.org/pdf/1103.0759.pdf I quickly read it. It is interesting to see that EC2

[Xen-devel] Granularity of Credit and RTDS Scheduler

2017-01-07 Thread wy11
Dear Xen developers, Recently I read a paper about possible theft of service attacks in Xen hypervisor. https://arxiv.org/pdf/1103.0759.pdf Due to the 10 ms intervals between sampling points, a malicious VM is able to run less than a interval and sleep to avoid being accounted.