[LAU] Test if Linux is ready for audio (realtimeconfigquickscan.pl script)

[rosea grammostola]

Scott Ecker wrote:
> hollunder at gmx.at wrote:
>   
>> On Wed, 21 Oct 2009 23:25:36 -0700
>> Scott <lau at troutpocket.org> wrote:
>>
>>   
>>     
>>> Ken Restivo wrote:
>>>     
>>>       
>>>> But it also caught this other weird thing I'd never heard of:
>>>> fs.inotify.max_user_watches = 524288
>>>>
>>>> Which was easy enough to fix.
>>>>   
>>>>       
>>>>         
>>> What sort of problem were you having that changing that setting fixed?
>>>
>>> -Scott
>>>     
>>>       
>> I'm also very curious about this one as I've never heard of it before
>> and haven't seen any help that explains what it does.
>>     
+1 , I think it was found in the Rosegarden wiki maybe?

>> It wrongly assumes a tmpfs has to be on /tmp and nice doesn't help with
>> rt stuff afaik.
>>     
I think its in the FAQ of jackaudio.org
>> I'm also not quite sure about the filesystem related stuff it checks
>> for, like the use of atime or whatever.
>>
>> I'd say the script is a nice start but nothing to rely on or use as
>> definitiv guideline.
>>     
It would  be nice if could improve the script by more feedback of people 
here on LAU
>>   
>>     
>
> Since we're on the subject of improving performance I should share one
> little thing I learned recently.  I use Fedora+CCRMA.  The Fedora update
> manager is python based.  After disabling the automatic update service I
> eradicated virtually all xruns.  I asked a more knowledgeable friend why
> this may be and he told me that Python is/can be greedy with resources. 
> YMMV.
Thanks, good tip.

\r


see also: 
http://linuxmusicians.com/viewtopic.php?f=27&t=452&st=0&sk=t&sd=a&start=15#p6024