On Sat, 2013-08-24 at 14:13 +0200, hermann meyer
wrote:
CONFIG_NO_HZ is available, but CONFIG_NO_HZ_FULL
still isn't
But it was. From a private mail a while ago:
On Tue, 2013-08-13 at 19:01 +0200, Joakim Hernberg wrote:
jack@tor /home/jack $ uname -a
Linux tor 3.10.6-rt3-1-rt #1 SMP PREEMPT RT Tue Aug 13 13:59:13 CEST
2013 x86_64 GNU/Linux
jack@tor /home/jack $ zgrep _HZ /proc/config.gz
CONFIG_NO_HZ_COMMON=y
# CONFIG_HZ_PERIODIC is not set
CONFIG_NO_HZ_IDLE=y
# CONFIG_NO_HZ_FULL is not set
CONFIG_NO_HZ=y
# CONFIG_HZ_100 is not set
# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
CONFIG_HZ_1000=y
CONFIG_HZ=1000
jack@tor /home/jack $
I was willing to test the kernel when it's enabled, but
the kernel did
cause an issue on my machine already when it was disabled.
Here is what I get
uname -a
Linux box 3.10.9-rt5 #1 SMP PREEMPT RT Fri Aug 23 11:14:14 CEST 2013
i686 GNU/Linux
zgrep _HZ /proc/config.gz
CONFIG_HZ_PERIODIC=y
# CONFIG_NO_HZ_IDLE is not set
# CONFIG_NO_HZ is not set
# CONFIG_HZ_100 is not set
# CONFIG_HZ_250 is not set
# CONFIG_HZ_300 is not set
CONFIG_HZ_1000=y
CONFIG_HZ=1000
This is plain vanila +rt patch.