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

[shijunjie92]

But now the problem is, I cannot 'setsched' and 'showsched'.
root at ubuntu:/home/thesis16# showsched
showsched: command not found
That is why I don't think I have installed the LITMUS-RT properly.

2016-06-23 

shijunjie92 



发件人：Björn Brandenburg <bbb at mpi-sws.org>
发送时间：2016-06-23 20:46
主题：Re: [LITMUS^RT] Cannot install the LITMUS-RT kernel
收件人："litmus-dev"<litmus-dev at lists.litmus-rt.org>
抄送：



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# 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# ls -l /proc
[…]
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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