[linux-yocto] utrace in recent linux-yocto kernels

[Bruce Ashfield]

On 12-08-29 09:29 AM, Tom Zanussi wrote:
> On Fri, 2012-08-03 at 13:37 -0400, Bruce Ashfield wrote:
>> On 12-08-03 12:24 PM, Wade Farnsworth wrote:
>>> Hi all,
>>>
>>> While looking through the linux-yocto repositories, I notice that while
>>> linux-yocto-3.0 has the utrace patchset merged, it appears that 3.2 and
>>> 3.4 do not. utrace is necessary for proper systemtap userspace probe
>>> support on these kernel versions, so it would be nice to have it available.
>>>
>>> Is there any intention to include this series in 3.2 and later kernels?
>>
>> There is! utrace is largely upstream in 3.5, and a backport is already
>> done to 3.4, but pending some work to re-enable systemtap functionality
>> on top of it.
>>
>
> Hi Bruce,
>
> Any ETA on this? - I'd like to try it out.  Let me know if you need any
> help on anything here...

I pushed the majority of it a while back, and systemtap works against it
(the latest system tap that is).

We could of course have missed something, but see these series:

http://git.yoctoproject.org/cgit/cgit.cgi/yocto-kernel-cache/tree/features/uprobe

and the in-tree version:

http://git.yoctoproject.org/cgit/cgit.cgi/linux-yocto-3.4/commit/?h=standard/base&id=544d531a337d560bd89f44ec45b0f6f2658c8e7c

(and down, that's the top commit)

Cheers,

Bruce

>
> Thanks,
>
> Tom
>
>> Cheers,
>>
>> Bruce
>>
>>>
>>> Regards,
>>>
>>> Wade Farnsworth
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>>> linux-yocto at yoctoproject.org
>>> https://lists.yoctoproject.org/listinfo/linux-yocto
>>
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