[PlanetCCRMA] which Fedora?

[Orcan Ogetbil]

On Wed, Nov 10, 2010 at 2:27 PM, Fernando Lopez-Lezcano wrote:
> On 11/10/2010 01:18 AM, Orcan Ogetbil wrote:
>>
>> On Tue, Nov 9, 2010 at 10:22 PM, Orcan Ogetbil wrote:
>>>
>>> On Tue, Nov 9, 2010 at 10:17 PM, Fernando Lopez-Lezcano wrote:
>>>>
>>>> Ah, then it is not working. I _am_ running an rt kernel, uname -r has
>>>> 'ccrma' in it... (it is a fc12 kernel but that should not matter).
>>>>
>>> Ah... I remember I tested this on F-13 both with and without CCRMA
>>> kernel and it worked fine (maybe I remember it wrong?)
>>>
>> In the patch, I think I need to use utsname.release instead of
>> utsname.version
>> Could you send me the output of this program when you are running a
>> ccrma rt kernel on F-14?
>>
>> #include<sys/utsname.h>
>> #include<iostream>
>> #include<string.h>
>>
>> using namespace std;
>>
>> int main()
>> {
>>   struct utsname utsname;
>>   int success = uname(&utsname );
>>   cout<<  "utsname.sysname:"<<  utsname.sysname<<  endl;
>>   cout<<  "utsname.version:"<<  utsname.version<<  endl;
>>   cout<<  "utsname.release:"<<  utsname.release<<  endl;
>>   cout<<  success<<  endl;
>>   cout<<  strstr( utsname.release, "ccrma" )<<  endl;
>> }
>
> Here's what it prints:
>
> ----
> utsname.sysname:Linux
> utsname.version:#1 SMP PREEMPT RT Tue Sep 7 14:36:14 EDT 2010
> utsname.release:2.6.33.8-149.rt29.1.fc12.ccrma.i686.rtPAE
> 0
> ccrma.i686.rtPAE
> ----
>
> Looks like you are right and "release" is the one to use.  When I have some
> time I'll try to get a better test that does not depend on "ccrma" being on
> the release part of the kernel. Probably something that would do the
> equivalent of:
>
> ----
> grep PREEMPT_RT /boot/config-2.6.33.8-149.rt29.1.fc13.ccrma.i686.rtPAE
> CONFIG_PREEMPT_RT=y
> ----
>
> Which would only be defined in rt patched kernels regardless of their
> name...
>

Hmm, how about strstr( utsname.version, "PREEMPT RT" ) ? Would that
give a positive result on (non-)ccrma realtime kernels?

Orcan