[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [PATCH] xm --version
On 6/6/05, Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx> wrote: > > > Where does 'machine' come from? Shouldn't it be x86_32? > > > > this is not what the patch does, but in the original code. > > actually "machine" is from "uname" syscall, run in dom0. > > libxc just gets the result from "uname", together with > > dom0_release, dom0_version. > > > > should we fix it to x86_32 or x86_64? > > Ideally the architecture should come from Xen rather than the dom0 > kernel, but I guess this isn't a big deal right now since we don't > support running 32 bit paravirt guests on a 64 bit hypervisor, and even > if we did you probably wouldn't want to do it for dom0. > > > > > > > Also, isn't there a tools version field we could print as well? > > > > > yes, that is fine, but where to get the xm version? lets put > > it somewhere into xm code? i am not sure where to put it. and > > actually what is the current version of xm? we better ask > > Mike to help this problem? > > I guess its more interesting to know the xend or libxc version, but I > guess we can assume them to all come from the same package/rpm. We > probably need to add a version identifier to the tools. > > > > > cores : 1 > > > > hyperthreads_per_core : 1 > > > > > > I'd like to add a bit more information here, to take of > > ccNUMA systems > > > with multicore and hyperthreadsing, e.g. for a system with > > 2 dual core > > > hyperthreaded Xeons: > > > > > > logical_cpus : 8 > > > > sorry for my ignorance (never play with 2 or more cpus system > > before, poor me!), how come 2 dual core hyperthreaded Xeons > > has "8 logical cpus"? you must meant "4 logical cpus" > > 2 sockets * 2 cores * 2 hyperthreads = 8 logical CPUs. > > Xen doesn't currently distinguish between sockets and cores, so for the > moment the interface should just return 'sockets_per_node = 4'. We can > fix Xen up later. > Ian, i look at the xen source code, and looks like "noht" option is never used anywhere? also ht_per_core is always set to 1? does xen really support HyperThreading now ? (i doubt that) regards, aq _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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