[PATCH] powerpc: Instrument Hypervisor Calls
geoffrey.levand at am.sony.com
Tue Aug 15 09:35:12 EST 2006
Mike Kravetz wrote:
> +config HCALL_STATS
> + bool "Hypervisor call instrumentation"
> + depends on PPC_PSERIES && DEBUG_FS
> + help
> + Adds code to keep track of the number of hypervisor calls made and
> + the amount of time spent in hypervisor calls: both wall time (based
> + on time base) and cpu time (based on PURR). A directory named
> + hcall_inst is added at the root of the debugfs filesystem.
Could we keep this more generic and not mention platform specific
things like PURR?
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