Re: [LAU] Real Time Kernel best settings

Geoff Beasley wrote:
> On Sunday 14 October 2007 11:06:43 holborn wrote:
>
me also can only say what i have here, don't know if it is the best (but
works good!)
>
>> --- Enable the block layer
>> [ ] Support for Large Block Devices
>> [ ] Support for tracing block io actions
>> [ ] Support for Large Single Files
>> [ ] Block layer SG support v4 (EXPERIMENTAL)
>>
>
> i think these only apply if you're going to be using large file sizes. =>
> 2gig. but i could be wrong.
>
think so too, i have the first option checked
>
>> IO Schedulers --->
>>
>
> i tend to use the deadline but there's probably not a lot of difference. again
> no expert so more info could be valuable.
>
i have checked them all and the cfq as default
>
>> Processor type and features --->
>> HPET Timer Support
>>
>
> i find this essential for good low latency operation and stability.
>
here too.
>
>> Device Drivers --->
>> Character devices --->
>> <*> Enhanced Real Time Clock Support
>>
>
> needed.
>
yes..
>
>> [ ] Real Time Clock Histogram Support
>>
>
> only for debuging; turn it off.
>
>
>> <*> Priority Inheritance Debugging (Blocker) Device Support
>>
>
> piss this off ! for debugging only and i have seen this take an interupt.
>
>
>> [ ] HPET - High Precision Event Timer
>>
>
> i always enable this and 'allow mmap' below it.
>
me too, both options on...
>
>> Sound --->
>> Advanced Linux Sound Architecture --->
>> <M> RTC Timer support
>> [*] Use RTC as default sequencer timer
>>
>
>
this is exactly as it is looking here too!
> i don't use alsa in the kernel so i can't comment.
>
> g.
> _______________________________________________
>
very interesting thread, it would be good if we continue and other
people put their experiences and uncleared questions here!

cheers,
doc

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Received on Sun Oct 14 16:15:07 2007