[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Credit scheduler
I have 4 physical cpus (2 dual core sockets) and the IO workload is loadsim with 500 users Thanks -Prabha -------------- Original message ---------------------- From: Keir Fraser <keir@xxxxxxxxxxxxx> > How many physical CPUs do you have, and what is the IO workload that one of > the VMs is running? > > -- Keir > > On 26/6/07 22:33, "pak333@xxxxxxxxxxx" <pak333@xxxxxxxxxxx> wrote: > > > Hi > > > > I have noticed that VMs are typically spending 3 microsecs or less before > > they > > are being prempted. I thought that the credit schduler time slice was 30 > > ms. I > > have 4 VMs running and they are all cpu intensive except for 1 (which is IO > > intensive) but having a VM spend max 3 micro secs before being kicked out > > seems strange. > > > > Is there something else going on that i am not aware of. Is the time slice > > really 30 millisecs? I am using default parameters of the credit scheduler. > > > > Thanks > > -Prabha > > > > > > > > _______________________________________________ > > Xen-devel mailing list > > Xen-devel@xxxxxxxxxxxxxxxxxxx > > http://lists.xensource.com/xen-devel > > --- Begin Message --- _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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