[XenPPC] RE: [Xen-devel] Performance Counter Virtualization in Xen

2007-05-21 Thread Bhatia, Nikhil
Hi Christian, Does the power PC still use the PM API for getting performance counters? I think, PAPI uses PMAPI underneath to get the performance counter data on a power PC. So, if there is a patched PMAPI library available for the Xen port on power PC, then a user might be able to easily use P

[XenPPC] Re: [Xen-devel] Performance Counter Virtualization in Xen

2007-05-20 Thread Christian Ehrhardt
Well it's not "x86 architectures", but the current profiling support in xen on powerpc allows the use of performance counters from the domains as used from non-virtualized environments. It is currently only tested with oprofile and has to be considered experimental because there are some known i