[pve-devel] Tickless kernel or not

Dietmar Maurer dietmar at proxmox.com
Wed Aug 5 16:40:07 CEST 2015


> Redhat uses since RHEL7 a fully tickless kernel. Options:
> CONFIG_NO_HZ=y
> CONFIG_NO_HZ_FULL=y
> CONFIG_RCU_FAST_NO_HZ=n
> CONFIG_HZ_1000=y
> CONFIG_HZ=1000
> 
> PVE now uses:
> CONFIG_NO_HZ=y
> CONFIG_NO_HZ_IDLE=y
> CONFIG_RCU_FAST_NO_HZ=y
> CONFIG_HZ_250=y
> CONFIG_HZ=250

I just use the default config provided by RH/Ubuntu for that.

Does it matter somehow?




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