Re: [Qemu-devel] Timeslice of vCPU thread in QEMU/KVM is not stable

2016-12-09 Thread Weiwei Jia
Hi Pankaj Gupta, Thanks for your reply. I have found the problem after debug Linux Kernel. The problem is once there is I/O thread upon vCPU2 thread of VM1, there will be some mutex (synchronization) produced so that it will be preempted by vCPU2 thread of VM2. After I set "/proc/sys/kernel/sched_

Re: [Qemu-devel] Timeslice of vCPU thread in QEMU/KVM is not stable

2016-12-09 Thread Pankaj Gupta
Hello, > > Hi everyone, > > I am testing the timeslice of vCPU thread in QEMU/KVM. In principle, > the timeslice should be stable under following workload but it is > unstable after I do experiments with following workload. I appreciate > it if you can give me some suggestions. Thanks in advance

[Qemu-devel] Timeslice of vCPU thread in QEMU/KVM is not stable

2016-12-08 Thread Weiwei Jia
Hi everyone, I am testing the timeslice of vCPU thread in QEMU/KVM. In principle, the timeslice should be stable under following workload but it is unstable after I do experiments with following workload. I appreciate it if you can give me some suggestions. Thanks in advance. Workload settings: I