Re: [LAU] Real Time Kernel best settings

On Sunday 14 October 2007 11:06:43 holborn wrote:

> --- 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.

> 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.

> Processor type and features --->
> HPET Timer Support

i find this essential for good low latency operation and stability.

> Device Drivers --->
> Character devices --->
> <*> Enhanced Real Time Clock Support

needed.

> [ ] 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.

> Sound --->
> Advanced Linux Sound Architecture --->
> <M> RTC Timer support
> [*] Use RTC as default sequencer timer

 i don't use alsa in the kernel so i can't comment.

g.
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Received on Sun Oct 14 08:15:01 2007