On Mon, 4 Jan 2016 13:57:15 -0700 Mark Post <[email protected]> wrote: > >>> On 1/4/2016 at 03:38 PM, Grzegorz Powiedziuk <[email protected]> > >>> wrote: > > Hi, > > When I run hyptop I can see performance stats for virtual machines running > > in the same z/VM LPAR. > -snip- > > At least I should be able to see stats for other LPARS from the PR/SM > > perspective, right? > > But I don't and I am not sure why. > > I don't think you should be able to see that information. Hyptop queries > whichever hypervisor it is running on. In your case, that's z/VM. z/VM > isn't looking around to see what other LPARs are running and gathering > information on them, so it's not going to present anything like that to > hyptop's query. > > If you want information from PR/SM's perspective, then you'll need to be > running a Linux system in an LPAR and use hyptop there. When I do that, I do > see information about the other LPARS, but nothing about z/VM guests that > might be running in them, since PR/SM doesn't know about them.
I can confirm what Mark said. Hyptop can only show data of the level where it is running. If you are running in an LPAR you can see your neighbor LPARs, if you run in a VM guest you can see your neighbor VM guests. > I think the man page for hyptop could use a little clarification. The way > it's worded would tend to suggest that a z/VM guest with CP class B would be > seeing information about other LPARs. I agree that without background knowledge the text can be misleading. The current text is: To monitor all LPARs or z/VM guest operating systems of the hypervisor, your system must have additional permissions: For z/VM, the guest virtual machine must be class B. For LPAR, on the HMC or SE security menu of the LPAR activation profile, select the Global performance data control checkbox. What about: You can always monitor the guest operating system where hyptop runs. To monitor any other guest operating system on the same hypervi- sor as the operating system instance of hyptop, you need the following additional permissions: For z/VM, the guest virtual machine must be class B. For LPAR, on the HMC or SE security menu of the LPAR activation profile, select the Global performance data control checkbox. Michael ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
