From: Geoff Levand <geoffrey.levand@am.sony.com>
To: Mike Kravetz <kravetz@us.ibm.com>
Cc: linuxppc-dev@ozlabs.org, Paul Mackerras <paulus@samba.org>
Subject: Re: [PATCH] powerpc: Instrument Hypervisor Calls
Date: Mon, 14 Aug 2006 16:35:12 -0700 [thread overview]
Message-ID: <44E108B0.4070207@am.sony.com> (raw)
In-Reply-To: <20060814232144.GG3213@w-mikek2.ibm.com>
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
next prev parent reply other threads:[~2006-08-14 23:35 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-14 23:21 [PATCH] powerpc: Instrument Hypervisor Calls Mike Kravetz
2006-08-14 23:35 ` Geoff Levand [this message]
2006-08-14 23:41 ` Mike Kravetz
2006-08-15 2:01 ` Geoff Levand
2006-08-15 2:34 ` Mike Kravetz
2006-08-15 1:03 ` Stephen Rothwell
2006-08-15 2:32 ` Mike Kravetz
2006-08-15 3:12 ` Stephen Rothwell
2006-08-15 3:32 ` Dave Boutcher
-- strict thread matches above, loose matches on Subject: below --
2006-08-16 16:04 Mike Kravetz
2006-08-24 6:55 ` Paul Mackerras
2006-08-25 18:52 ` Mike Kravetz
2006-09-06 23:23 Mike Kravetz
2006-09-07 0:34 ` Paul Mackerras
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