Thanks. I didn't tried the latest kernel with call graph support. I have
tried the old kernel with the patch below (with 0.9.2), and seems the
call graph feature works fine. (Petty info for someone wants to use
e500(v2) with old kernel..)
Regards
Dai
> -----Original Message-----
> From: Maynard Johnson [mailto:maynardj@xxxxxxxxxx]
> Sent: Tuesday, October 10, 2006 3:30 PM
> To: Haruki Dai-r35557
> Cc: Venkat Subbiah -X (vsubbiah - Piepeople Consulting, Inc.
> at Cisco); oprofile-list@xxxxxxxxxxxxxxxxxxxxx; Fleming Andy-afleming
> Subject: Re: Call graph support for powerpc
>
>
> From my understanding of the current arch/powerpc/oprofile code
> (looking at a 2.6.18 kernel), it appears to me that the call graph
> support there would work for both ppc and pp64 processors.
>
> -Maynard
>
> Haruki Dai-r35557 wrote:
>
> >For BookE - e500, Andy Fleming has submit the patch for
> callgraph kernel
> >support long time ago, but the patch wasn't actually merged (I don't
> >know why).
> > Anyway, here is the patch, and I am not sure the user space apps
> >automatically use/enable the .backtrace without modification.
> >
> >http://patchwork.ozlabs.org/linuxppc/patch?id=2783
> >
> >
> >Regards
> >Dai
> >
> >
> >
> >>-----Original Message-----
> >>From: oprofile-list-bounces@xxxxxxxxxxxxxxxxxxxxx
> >>[mailto:oprofile-list-bounces@xxxxxxxxxxxxxxxxxxxxx] On
> >>Behalf Of Maynard Johnson
> >>Sent: Monday, October 09, 2006 4:19 PM
> >>To: Venkat Subbiah -X (vsubbiah - Piepeople Consulting,
> Inc. at Cisco)
> >>Cc: oprofile-list@xxxxxxxxxxxxxxxxxxxxx
> >>Subject: Re: Call graph support for powerpc
> >>
> >>Venkat Subbiah -X (vsubbiah - Piepeople Consulting, Inc. at
> >>Cisco) wrote:
> >>
> >>
> >>
> >>>
> >>>Oprofile doesn't support call graph's for powerpc. Has
> >>>
> >>>
> >>anybody tried to
> >>
> >>
> >>>extend oprofile to support call graph for Power PC?
> >>>
> >>>
> >>In fact, call graph support for PowerPC was added in the
> >>2.6.17 kernel.
> >> As for distros where it's included, SLES 10 is the only one
> >>I know of
> >>at this point.
> >>
> >>The FAQ on the OProfile web site states that call graph is
> supported
> >>only on x86 and ARM. The man page for opcontrol just says
> "x86". I
> >>could submit a patch to add "PowerPC", but I'm wondering if
> there are
> >>other arch's out there where callgraph support has been added
> >>recently.
> >> Might was well update the FAQ and man page to be as accurate and
> >>up-to-date as possible.
> >>
> >>-Maynard
> >>
> >>
> >>
> >>
> >>>Thx,
> >>>Venkat
> >>>
> >>>
> >>>
> >>>
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>
>
>
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