[Sorry for the late response. I was a few days on holiday] On 05/16/2016 10:38 PM, Luiz Capitulino wrote: > On Thu, 12 May 2016 16:08:34 +0200 > Daniel Wagner <wagi@xxxxxxxxx> wrote: > >> In short, I haven't figured out yet why the kernel builds get slightly slower. > > You're doing make -j 200, right? How many cores do you have? Couldn't it > be that you're saturating your CPUs? For the above numbers I used mmtest as test framework with 2x<NR CPUs>, that is 128. > You could try make -j<NR CPUs>, or some process creation benchmark. Although > I don't know what's the best way to measure this. Yeah, I consider the kernel benchmark not as a good workload to figure out what's going on. It's more like to see something is hiding. The micro benchmarks I used so far couldn't highlight the problem(s). I guess more testing is needed. 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
