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Groups > linux.kernel > #1502627 > unrolled thread
| Started by | Ming Lei <tom.leiming@gmail.com> |
|---|---|
| First post | 2016-10-18 03:40 +0200 |
| Last post | 2016-10-20 09:50 +0200 |
| Articles | 2 on this page of 22 — 5 participants |
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Re: [4.9-rc1] Build-time 2x slower Ming Lei <tom.leiming@gmail.com> - 2016-10-18 03:40 +0200
Re: [4.9-rc1] Build-time 2x slower Sedat Dilek <sedat.dilek@gmail.com> - 2016-10-18 11:40 +0200
Re: [4.9-rc1] Build-time 2x slower Jörg Otte <jrg.otte@gmail.com> - 2016-10-18 19:00 +0200
Re: [4.9-rc1] Build-time 2x slower Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-18 19:20 +0200
Re: [4.9-rc1] Build-time 2x slower Jörg Otte <jrg.otte@gmail.com> - 2016-10-19 17:30 +0200
Re: [4.9-rc1] Build-time 2x slower Linus Torvalds <torvalds@linux-foundation.org> - 2016-10-19 17:30 +0200
Re: [4.9-rc1] Build-time 2x slower Jörg Otte <jrg.otte@gmail.com> - 2016-10-19 19:00 +0200
Re: [4.9-rc1] Build-time 2x slower "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-10-19 22:50 +0200
Re: [4.9-rc1] Build-time 2x slower Sedat Dilek <sedat.dilek@gmail.com> - 2016-10-20 09:50 +0200
Re: [4.9-rc1] Build-time 2x slower "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-10-20 13:10 +0200
Re: [4.9-rc1] Build-time 2x slower "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-10-20 16:30 +0200
Re: [4.9-rc1] Build-time 2x slower Sedat Dilek <sedat.dilek@gmail.com> - 2016-10-20 16:40 +0200
Re: [4.9-rc1] Build-time 2x slower "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-10-20 16:50 +0200
Re: [4.9-rc1] Build-time 2x slower Sedat Dilek <sedat.dilek@gmail.com> - 2016-10-21 03:00 +0200
Re: [4.9-rc1] Build-time 2x slower Sedat Dilek <sedat.dilek@gmail.com> - 2016-10-20 16:30 +0200
Re: [4.9-rc1] Build-time 2x slower Jörg Otte <jrg.otte@gmail.com> - 2016-10-20 10:00 +0200
Re: [4.9-rc1] Build-time 2x slower Sedat Dilek <sedat.dilek@gmail.com> - 2016-10-20 10:10 +0200
Re: [4.9-rc1] Build-time 2x slower "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-10-20 13:10 +0200
Re: [4.9-rc1] Build-time 2x slower Jörg Otte <jrg.otte@gmail.com> - 2016-10-20 16:40 +0200
Re: [4.9-rc1] Build-time 2x slower "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2016-10-20 16:50 +0200
Re: [4.9-rc1] Build-time 2x slower Sedat Dilek <sedat.dilek@gmail.com> - 2016-10-20 09:30 +0200
Re: [4.9-rc1] Build-time 2x slower Sedat Dilek <sedat.dilek@gmail.com> - 2016-10-20 09:50 +0200
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| From | Sedat Dilek <sedat.dilek@gmail.com> |
|---|---|
| Date | 2016-10-20 09:30 +0200 |
| Message-ID | <sufXz-4qj-19@gated-at.bofh.it> |
| In reply to | #1504136 |
On Wed, Oct 19, 2016 at 6:59 PM, Jörg Otte <jrg.otte@gmail.com> wrote: > 2016-10-19 17:29 GMT+02:00 Linus Torvalds <torvalds@linux-foundation.org>: >> 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. > > Exactly! > > Btw: ondemand governor is also good. > >> 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. > > Perfect! That's what I mean. > >> 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). > > I try that tomorrow. > I switched over to ***schedutil*** as default-cpufreq-governor with v4.8 in my init-scripts. Didn't try any other cpufreq-governor and had no time to play more with this issue. - Sedat -
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| From | Sedat Dilek <sedat.dilek@gmail.com> |
|---|---|
| Date | 2016-10-20 09:50 +0200 |
| Message-ID | <suggV-4xL-5@gated-at.bofh.it> |
| In reply to | #1503919 |
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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