[LAU] new rtirq release

Rui Nuno Capela rncbc at rncbc.org
Fri May 4 23:43:18 UTC 2012


On 05/05/2012 12:13 AM, Fernando Lopez-Lezcano wrote:
> On 05/04/2012 02:57 PM, Rui Nuno Capela wrote:
>> On 05/04/2012 08:08 PM, Fernando Lopez-Lezcano wrote:
>>> On 05/04/2012 05:39 AM, Rui Nuno Capela wrote:
>>>> On 05/04/2012 12:39 AM, Fernando Lopez-Lezcano wrote:
>>>>> Rui: this addition/hack in rtirq takes care of snd_hda_intel in my
>>>>> 3.2.16-rt27 system and will presumably do the right thing for any
>>>>> other
>>>>> pci soundcards:
>>>>
>>> [MUNCH]
>>>>
>>>> given that, which got slightly re-hacked somehow, a new rtirq release
>>>> has bumped in:
>>>> http://www.rncbc.org/jack#rtirq
>>>
>>> Hmm, sorry Rui but that does not seem to work, you can't rely on the
>>> name as provided in /proc/asound/cards, it will not match in the generic
>>> case, so this:
>>>
>>> ----
>>> PIDS=`ps -eo pid,comm | egrep -i "irq.${IRQ}.snd.${NAME2:0:4}" | awk
>>> '{print $1}'`
>>> ----
>>>
>>> should be something like:
>>>
>>> ----
>>> PIDS=`ps -eo pid,comm | egrep -i "irq.${IRQ}.snd_.*" | awk '{print $1}'`
>>> ----
>>>
>>> that should be enough, it would be very unlikely (impossible?) that
>>> there is another soundcard on the same interrupt so a match with snd_
>>> should be enough, and even if that were the case it would be processed
>>> twice I guess, no harm done.
>>
>> what exactly happens in your particular case?
>
> Nothing happens (ie: all processes with that particular irq number get
> the high priority). I did not _really_ investigate, it just did not work
> and I reverted to what I had tried before.
>
>> maybe "snd.${NAME2:0:4}" comes as a 1st best try (where NAME2 stands for
>> the name provided from /proc/asound/cards), then "snd.*" for the
>> fallback (2nd try) ?
>
> Sure, that would work...
>
>> check(this)out
>> https://www.rncbc.org/svn/rtirq/trunk
>> posing for an immediate 20120505-29 stamp :)
>
> Hmm, I don't see a difference in that url, maybe you did not copy things
> over?

ouch, sorry, forgot to push it

check it out now (should read svn rev.5)

byee
-- 
rncbc aka Rui Nuno Capela
rncbc at rncbc.org


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