[LITMUS^RT] Cannot install the LITMUS-RT kernel

Björn Brandenburg bbb at mpi-sws.org
Thu Jun 23 20:46:39 CEST 2016


> On 23 Jun 2016, at 21:38, shijunjie92 <shijunjie92 at gmail.com> wrote:
> 
> Hello:
>  
> When I come to the GRUB I can choose the kernel 4.1.3, that's why I believe I have installed the kernel 4.1.3 successfully.

We have no control over what your distribution puts into your bootloader’s configuration file. Since the base version of LITMUS^RT 2016.1 is Linux 4.1.3, it stands to reason that this is actually the LITMUS^RT kernel.

> As you asked, I have typed the command, the outputs are as follows:
> root at ubuntu:/home/thesis16 <mailto:root at ubuntu:/home/thesis16># uname -a
> Linux ubuntu 4.1.3 #2 SMP PREEMPT Thu Jun 23 08:30:26 PDT 2016 x86_64 x86_64 x86_64 GNU/Linux
> root at ubuntu:/home/thesis16 <mailto:root at ubuntu:/home/thesis16># ls -l /proc
> […]
> root at ubuntu:/home/thesis16 <mailto:root at ubuntu:/home/thesis16># ls -l /proc/litmus
> total 0
> -rw-r--r-- 1 root root 0 Jun 23 11:31 active_plugin
> dr-xr-xr-x 2 root root 0 Jun 23 11:31 cpus
> dr-xr-xr-x 2 root root 0 Jun 23 11:31 domains
> dr-xr-xr-x 4 root root 0 Jun 23 11:31 plugins
> -rw-r--r-- 1 root root 0 Jun 23 11:31 release_master
> -r--r--r-- 1 root root 0 Jun 23 11:31 stats

You are running a LITMUS^RT kernel. These files exist only under LITMUS^RT, and not under vanilla Linux. So it looks like you are good to go.

> Actually, I am using the qcow version of litmus-rt in virtualbox. But virtualbox cannot support 8 cores, that's why I am try to install the new system based on VMWare.

I’ve never tried LITMUS^RT in VMWare, but it should probably work. All measurements will of course be bogus due to the virtualization overhead.

> I wish you could upload one instruction video to youtube, make the green hands' life easier. Considering there is only one old version vedio on the youtube.

We’d happily consider any contributions.

Regards,
Björn

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