Re: queue_work from interrupt Real time preemption2.6.11-rc2-RT-V0.7.37-03

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* Mark Gross <[email protected]> wrote:

> BTW:
> 
> My work on this has been mostly in the context of a 2.6 kernel based 
> generalization of a softIRQ as thread patch for 2.4 that enables 
> priority tuning of the bottom half processing as well as /proc support 
> for turning on and off the feature.  We got it to work.
> 
> However; I don't know what good workloads and metrics to measure the 
> goodness of the work look like.  If folks think priority tuning of 
> bottom half processing is worth persuing and can help me quantify its 
> effectiveness better than running a jitter test while doing a BONNIE 
> test run on a SCSI JBOD, then I'm happy to do more with this.

anything that generates a consistent interrupt rate is pretty good for 
testing. Networking is the most softirq-dependent code, so i'd say 
tbench over a real network ought to be a good benchmark.

	Ingo
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