[LITMUS^RT] Creating a new plugin problem

[Namhoon Kim]

Hi Matteo,

If you have successfully added DEMO plugin, you should see DEMO plugin in
/proc/litmus/plugins/loaded. Can you check the loaded plugins?

Namhoon

On Sun, Apr 2, 2017 at 11:50 AM, Matteo <matteo.locatelli1993 at gmail.com>
wrote:

> Hi everyone, I want to develop a new plugin for LITMUS^RT, so I downloaded
> the virtual image found on the website and I started to follow the tutorial
> that I found on the wiki. I'm currently stuck on step 2: I created the
> sched_demo.c file (copying the code from the tutorial), added sched_demo.o
> to the obj-y list in the Makefile located in the litmus folder and compiled
> the kernel using make in the litmus-rt folder. When I try to run the
> instruction setsched DEMO, it returns me this error:
>
> Error: Cannot write to /proc/litmus/active_plugin. Do you have root
> privileges?
> Error: Setting new plugin failed.
> Are there any active real-time tasks?
>
> Can you tell me what I am doing wrong? Thanks.
> Matteo Locatelli
>
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