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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