[PATCH 0/3] powerpc: Instrument Hypervisor Calls

[Anton Blanchard]

> What happened to the question whether to use PURR values for also measuring
> cycles spent executing the hcall as opposed to cycles that passed before
> the hcall returns. Did that turn out not giving extra information after all
> or was there a different reason to drop that idea?

You have to be careful with PURR since it may be context switched
between partitions.

Anton