[PATCH] powerpc: adjust oprofile_cpu_type
olof at lixom.net
Fri Apr 24 08:09:09 EST 2009
On Thu, Apr 23, 2009 at 04:56:56PM -0500, Mike Wolf wrote:
> On Thu, 2009-04-23 at 12:52 -0500, Olof Johansson wrote:
> > On Wed, Apr 22, 2009 at 06:40:12PM -0500, Mike Wolf wrote:
> > > Resending. the patch was munged last time.
> > >
> > >
> > > Oprofile is changing the naming it is using for the compatibility modes.
> > > Instead of having compat-power<x>, oprofile will go to family naming
> > > convention and use compat-v<x>. Currently only compat-v1 will be
> > > defined.
> > Compat V1 of what? powerpc64? IBM powerpc64 PMC?
> IBM powerpc PMC
Sounds like it'd be appropriate to have an ibm somewhere in the version
> > The performance
> > monitors are not architected, to give them a version number without
> > vendor information seems weird.
> The current ones all fall into one family and they may be architected in
> the future.
Not all powerpc PMC implementations do, not even all ppc64 ones --
PA6T implements a completely different performance monitor.
The current IBM PMC is included in the appendix of the architecture as
a suggestion on how to implement it, but it is explicitly specified
as being implementation dependent in the architecture.
> > Also, doesn't this break compatibility with existing userspace tools?
> AFAIK there is nothing else that uses these. Oprofile patch was
> rejected and this new naming was suggested from that community.
Ok, as long as you are 100% sure there are no proprietary users either.
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