Messages in this thread | | | From | Sedat Dilek <> | Date | Thu, 20 Oct 2016 09:49:15 +0200 | Subject | Re: [4.9-rc1] Build-time 2x slower |
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On Wed, Oct 19, 2016 at 5:29 PM, Linus Torvalds <torvalds@linux-foundation.org> wrote: > On Wed, Oct 19, 2016 at 4:07 AM, Jörg Otte <jrg.otte@gmail.com> wrote: >> >> Additional info: I usally use schedutil governor. >> If I switch to performance governor problems go away. >> Maybe a cpufreq problem? > > Oh, I completely misread the original bug report, and then didn't read > your confirmation email right. > > I thought you had a slower build of the different kernels (when > building on the same kernel), and that the _build_ itself had slowed > down for some reason. But you're actually saying that doing the _same_ > build actually takes longer when running on 4.9-rc1. > > My bad. >
English is not my native language. To clarify building whatever Linux-version "under Linux v4.9-rc1" means... Running Linux v4.9-rc1... ( ...with schedutil as cpufreq-governor... ) and building software in this environment.
- Sedat -
> There are a few small cpufreq changes there in between commit > 29fbff8698fc (that you reported was fine - please tell me I got _that_ > right, at least?) and 4.9-rc1. Adding Rafael to the cc. > > That said, none of them look all that likely to me. It *would* be good > if you could bisect it a bit (perhaps not fully, but a couple of > bisection steps to narrow down what area it is). > > Linus
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