Re: Porting DTrace to ARM

[Ryota Ozaki <ozaki-r%NetBSD.org@localhost>]

FYI

http://www.netbsd.org/~ozaki-r/pub/AsiaBSDCon2014-WIP-ozaki-r.pdf

This is my slides about this work, which was presented in WIP session
of AsiaBSDCon 2014 last week.

Regards,
  ozaki-r


On Mon, Mar 17, 2014 at 8:02 PM, Ryota Ozaki <ozaki-r%netbsd.org@localhost> 
wrote:
>> I will commit the patch during AsiaBSDCon 2014 if there is
>> no objection :)
>
> I did it.
>
> So you can try DTrace on ARM now! You can run some commands
> and scripts described in
> http://wiki.netbsd.org/tutorials/how_to_enable_and_run_dtrace/ .
>
> Beaglebone (Black) is a recommended machine for it. (Actually I tested
> DTrace only on a BBB and an eval board of am3352.)
>
> Note that ctfmerge doesn't work on ARM for now for some reason. So you
> cannot build a kernel for DTrace with the existence of (nb)ctfmerge command
> that is built when build.sh tools with -V MKDTRACE=yes. You have to build
> something like this:
>   build.sh -m evbarm tools
>   build.sh -m evbarm -V MKDTRACE=yes kernel=BEAGLEBONE modules
>   build.sh -m evbarm -V MKDTRACE=yes build  # for dtrace command
>
> Acknowledge:
> Thank you very much, matt and christos! I couldn't get this work done well
> without your great helps!
>
> Have fun,
>  ozaki-r