> Charles Lockhart wrote: > > I just got a 1u rack mount dual Xeon system from these guys: > > > > http://www.swt.com/thin4.html > > > > I was looking at top and noticed that it lists 4 CPU states, where I'd > > generally figure there'd be one per CPU. Any ideas why this would be? I > > opened it up to be sure, and yep, there's only 2 CPUs. > Any chance it could have something to do with the Xeon's > "Hyperthreading" technology? I think I read something somewhere > (helpful, I know) that mentioned that the Linux kernel can treat the P4s > with hyperthreading as virtual dual processors.
Windows reports 2 per CPU as well with the Zeons. With a dual CPU box you will see 4 in the task manager. -Matt
