[LITMUS^RT] [starting LITMUS]

[Dhanny R]

for no. 1 the result is :
ls -lR /proc/litmus
/proc/litmus:
total 0
-rw-r--r-- 1 root root 0 May 28 19:44 active_plugin
dr-xr-xr-x 2 root root 0 May 28 19:44 cpus
dr-xr-xr-x 2 root root 0 May 28 19:44 domains
dr-xr-xr-x 4 root root 0 May 28 19:44 plugins
-r--r--r-- 1 root root 0 May 28 19:44 stats

/proc/litmus/cpus:
total 0

/proc/litmus/domains:
total 0

/proc/litmus/plugins:
total 0
dr-xr-xr-x 2 root root 0 May 28 19:44 C-EDF
-r--r--r-- 1 root root 0 May 28 19:44 loaded
dr-xr-xr-x 2 root root 0 May 28 19:44 PFAIR

/proc/litmus/plugins/C-EDF:
total 0
-rw-r--r-- 1 root root 0 May 28 19:44 cluster

/proc/litmus/plugins/PFAIR:
total 0
-rw-r--r-- 1 root root 0 May 28 19:44 cluster


for number 2 the result is :
 cat /proc/litmus/plugins/loaded
PFAIR
C-EDF
P-FP
PSN-EDF
GSN-EDF
Linux


for number 3 the result is :
tmus/active_pluginrtxen# echo PSN-EDF > /proc/litmus/active_plugin; cat
/proc/lit
PSN-EDF
root at vm1:~/litmus-rtxen#


for number 4 the result is :
hed PSN-EDFlitmus-rtxen# setsched Linux; setsched GSN-EDF; setsched Linux;
setsc
setsched: command not found
setsched: command not found
setsched: command not found
setsched: command not found


many thanks for u attention


On Thu, May 28, 2015 at 7:38 PM, Björn Brandenburg <bbb at mpi-sws.org> wrote:

>
> On 28 May 2015, at 14:28, Dhanny R <dhanker2626 at gmail.com> wrote:
>
> sorry for my miss information, n sorry for my bad english language :D
>
> my problem are :
> where i in liblitmus : why i cant choose active plugins with setsched? the
> error message is
> 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?
> root@:~/liblitmus#
>
> coz i following step by step from :
> https://wiki.litmus-rt.org/litmus/UserspaceTools
>
> regards,
> Dhany
>
>
> On Thu, May 28, 2015 at 7:17 PM, Björn Brandenburg <bbb at mpi-sws.org>
> wrote:
>
>>
>> On 28 May 2015, at 14:13, Dhanny R <dhanker2626 at gmail.com> wrote:
>>
>> > after finish install rt-xen 2.0 with xen 4.5 include, i create 2 guest
>> dom0 with ubuntu linux 3.10.41, for this time, they all okay..
>> > then i install LITMUS with the configuration preempt :
>>
>> Are you perhaps accidentally launching the wrong kernels?
>>
>> yeah, i think i'm in the right path, coz after create 2 guest OS in 2
>> vcpu (vm1 n vm2), i'm install LITMUS inside (vm1 n vm2),
>> in root vm1 n vm 2 : uname -a
>> Linux vm1 3.10.41 #2 SMP PREEMPT Sun May 17 23:52:27 WIB 2015 x86_64
>> x86_64 x86_64 GNU/Linux
>>
>> it's right?
>> so in my 2 vcpu (in root vm1 n vm2) i have done install LITMUS
>>
>> in root vm1 n vm2 (after done install LITMUS), i check /proc/litmus and
>> ls :
>> root at vm1:/proc/litmus# ls
>> active_plugin  cpus  domains  plugins  stats
>>
>>
>> Didn’t you say in your previous email that you are getting the message
>> “no such file or directory”? Now it looks ok. So it should be working…
>>
>> each vcpu (in root vm1 n vm2) after done install LITMUS, i instal
>> liblitmus n ft_tools,
>> so in my 2 vcpu (in root vm1 n vm2) : ls
>> Desktop    litmus-rtxen
>> ft_tools  liblitmus
>>
>> it's right?
>>
>>
>> could u tell me where is my wrong step n why i cant choose the active
>> plugin?
>> veryn thanks for your help,
>>
>>
>> Sorry, your emails are very hard to parse. Unless you provide more
>> detailed and consistent information, I’m afraid I won’t be able to help
>> much.
>>
>>
> Ok, now that we’ve established that /proc/litmus actually exists, let’s
> try this again:
>
> What’s the output of the following commands?
>
> 1) ls -lR /proc/litmus
>
> 2) cat /proc/litmus/plugins/loaded
>
> 3) echo PSN-EDF > /proc/litmus/active_plugin; cat
> /proc/litmus/active_plugin
>
> If step 3 fails, are there any debug messages in the kernel log?
>
> 4) setsched Linux; setsched GSN-EDF; setsched Linux; setsched PSN-EDF
>
> - Björn
>
>
>
> _______________________________________________
> litmus-dev mailing list
> litmus-dev at lists.litmus-rt.org
> https://lists.litmus-rt.org/listinfo/litmus-dev
>
>
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