11.07 oprofile on panda busted?

[Avik Sil]

On Saturday 03 September 2011 12:16 AM, Christian Robottom Reis wrote:
> On Fri, Sep 02, 2011 at 05:22:35PM +0530, Avik Sil wrote:
>>> See whether this works:
>>>
>>> apt-get install linux-linaro-tools-`uname -r`
>>> perf stat apt-get update  # or something
>>>
>>>
>>> I think there was an issue with a patch which enabled perf on omap4
>>> but broke it on all other platforms.  This patch is present in the
>>> linux-linaro-natty tree, but I can't see it in -oneiric.  I think
>>> it may have been dropped / backed out from the oneiric tree because
>>> of the problems it caused:
>>>
>>> In linux-linaro-natty/master:
>>> commit 457520e3fbce80812c6901c226ec242fdb906c63
>>> (arm: pmu: support pmu/perf on OMAP4)
>>
>> The perf patch was dropped from linux-linaro-2.6.39 onwards as it
>> apparently caused Panda boot hang
>> (https://bugs.launchpad.net/linux-linaro/+bug/802693).
>>>
>>> Mark Rutland posted a patch to fix the introduced problem --
>>> search the linaro-dev archives for
>>> [PATCH] Fix NULL-dereference introduced by OMAP4 PMU patch
> 
> Avik, because of your quoting style I'm not sure you are ignoring
> Dave's point here or if you are saying that there was a further problem
> that caused the entire patch to be dropped? See
> 
>     http://www.mail-archive.com/linaro-dev@lists.linaro.org/msg04791.html

Actually, Mark's patch applies on top of the perf patch and as the perf
patch has been dropped, Mark's patch is irrelevant now.

Regards,
Avik