Hi Bernhard, On 08/25/2014 04:14 PM, Bernhard Schiffner wrote: > Am Montag, 25. August 2014, 11:02:32 schrieb Daniel Wagner: >> Hi, >> >> I wanted to know how good or bad mainline vs RT is, therefore I let >> MMTests torture my laptop for a while. I selected a few of the supported >> benchmarks by MMTests in order to keep to a reasonable time frame. >> >> The aim was to see the impact of normal (no RT) workloads with different >> preempt configurations on mainline and RT patched kernel. I tried to not >> to change other configuration flags except the preempt one. There are >> some small difference due to dependencies but the rest looks ok to me. >> >> http://www.monom.org/rt/mmtests/ >> >> Suggestion, improvements, comments? >> >> cheers, >> daniel >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html > > Hi Daniel, > > I had a first look at the above mentioned page. > > The thing I'am complety missing in the huge amount of numbers is: What is your > demand, your primary topic to solve in or with RT? Thanks looking at the numbers and the feedback from you. I really appreciate that. To your question: My goal is to help out to get this patch set merged into mainline. I know an ambitious goal and I might be too incompetent (I may suffering from the Dunning–Kruger effect. but hey, I am not the one who recognize this). So I figured the best thing is to start playing with different loads and see how they compare to mainline and trying to understand why they are different. > And as I interprete the numbers: a RT kernel is a little bit more CPU-hungry > then normal and this is nothing new. Sure, I am well aware that RT is 'a little bit more CPU-hungry', but I wondered how much is a little and what are the effects of it? I am doing those tests for myself to get a better understanding. I just shared the results in case someone else finds them interesting. I should have stated that more clearly to avoid burning time from you. Sorry about that. cheers, daniel -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
