[Nouveau] Nouveau Digest, Vol 76, Issue 9

[Ilia Mirkin]

On Tue, Aug 6, 2013 at 11:58 PM, Prasad Mhatre <prasad8mhatre at gmail.com> wrote:
> Hello,
> I am Prasad ,a third year computer engineering student in pune,india.
> I have followed the steps given in the document of tracing
> but getting errors at second step.
>
> I am using ASUS  k55vd-sx314d
> specs:ci3-2350m
> 4gb ram, 500hdd,2 gb nvidia geforce 610m
> os:ubuntu 13.04
>
> I am new to linux ,I wanted to get involved in this nouveau project
> how to get into i
> can someone guide me from and how to start contributing to this project
>
>
>
>
>>>echo 64000 > /sys/kernel/debug/tracing/buffer_size_kb
>>>>//error :file doesn't exist

You probably don't have debugfs mounted on /sys/kernel/debug or you
don't have mmiotrace enabled in your kernel. Or you're not doing this
as root. Take a look at https://wiki.ubuntu.com/X/MMIOTracing which
has some good instructions.