[LAU] rtirq - what does it improve, and how can I measure it?

[Robin Gareus]

On 05/08/2012 03:56 PM, Ralf Mardorf wrote:
> Hi Robin :)
> 
> On Tue, 2012-05-08 at 15:11 +0200, Robin Gareus wrote:
>> What is "kernel-rt ex 3.0" ??
> 
> "ex" (in German "ab") is for ">=", sorry if I'm wrong with this
> translation ;).

right, until you start thinking about your *ex*-girlfriend :)

I think "ex" means ">" not ">=". (in German /ex/: "von" - not "ab").

>> If you compile a recent kernel (>=3.0) with the PREEMPT_RT patch and set
>> "CONFIG_IRQ_FORCED_THREADING=y", the boot-option 'threadirqs' is implied
>> and using it makes no difference.
> 
> So patch-3.0.23-rt40 already includes it? I don't need to patch the
> patch?

I don't know, but I expect so. UTSL. patch-3.0.30-rt50 does include it.

Cheers!
robin