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Date: Mon, 14 Aug 2006 16:35:12 -0700
From: Geoff Levand <geoffrey.levand@am.sony.com>
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To: Mike Kravetz <kravetz@us.ibm.com>
Subject: Re: [PATCH] powerpc: Instrument Hypervisor Calls
References: <20060814232144.GG3213@w-mikek2.ibm.com>
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Cc: linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>
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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?

-Geoff