Updating src tree:
P src/share/mk/bsd.sys.mk
P src/sys/arch/amd64/amd64/cpu_in_cksum.S
P src/sys/arch/amd64/amd64/cpufunc.S
P src/sys/arch/i386/i386/cpufunc.S
P src/sys/arch/powerpc/oea/ofw_subr.S
P src/sys/arch/powerpc/powerpc/openfirm.c
P src/sys/arch/x86/include/pio.h
P
Steffen Nurpmeso wrote:
> This thread reminds me of me turning off hyperthreading.
> Using the four cores i have with HT turned on results in a 40
> percent time penalty compared to when its off. (For example,
> compiling the Linux kernel 4.19.X takes almost exactly 10 minutes
> when it is turned
Andreas Gustafsson wrote in <24014.56871.750141.885...@guava.gson.org>:
|Jaromír Doleček wrote:
|> I wonder also if we could try enabling vm.ubc_direct on the build \
|> machine?
|
|Using 2019.11.14.13.58.22 sources:
|
|with default settings:
|4612.56 real 16896.10 user 9325.87
Mateusz Guzik wrote:
> > http://www.gson.org/netbsd/bugs/system-time/fg.svg
>
> First thing which jumps at me is DIAGNOSTIC being on (seen with e.g.,
> _vstate_assert). Did your older kernels have it? If you just compiled
> GENERIC from release branches it is presumably removed, so would be
>
Jaromír Doleček wrote:
> I wonder also if we could try enabling vm.ubc_direct on the build machine?
Using 2019.11.14.13.58.22 sources:
with default settings:
4612.56 real 16896.10 user 9325.87 sys
with vm.ubc_direct = 1:
4615.95 real 16819.96 user 9416.13 sys
--
Andreas
Please un-CC me from any threads.
On 11/15/19, Andreas Gustafsson wrote:
> Mateusz Guzik wrote:
>> Can you get a kernel-side flamegraph?
>
> Done, using sources from 2019.11.14.13.58.22:
>
> http://www.gson.org/netbsd/bugs/system-time/fg.svg
>
Thanks.
First thing which jumps at me is DIAGNOSTIC being on (seen with e.g.,
Mateusz Guzik wrote:
> Can you get a kernel-side flamegraph?
Done, using sources from 2019.11.14.13.58.22:
http://www.gson.org/netbsd/bugs/system-time/fg.svg
--
Andreas Gustafsson, g...@gson.org
