On Fri, 2017-04-21 at 13:22 -0400, David Miller wrote:
> From: Matthew Whitehead <tedheads...@gmail.com>
> Date: Wed, 19 Apr 2017 12:37:10 -0400
>
> > Constants used for tuning are generally a bad idea, especially as hardware
> > changes over time. Replace the constant 2 jiffies with sysctl variable
> > netdev_budget_usecs to enable sysadmins to tune the softirq processing.
> > Also document the variable.
> >
> > For example, a very fast machine might tune this to 1000 microseconds,
> > while my regression testing 486DX-25 needs it to be 4000 microseconds on
> > a nearly idle network to prevent time_squeeze from being incremented.
> >
> > Version 2: changed jiffies to microseconds for predictable units.
> >
> > Signed-off-by: Matthew Whitehead <tedheads...@gmail.com>
>
> Applied, thanks.
Can we revert the changes in kernel/sysctl_binary.c &
include/uapi/linux/sysctl.h ?
{ CTL_INT, NET_CORE_BUDGET_USECS, "netdev_budget_usecs" },
NET_CORE_BUDGET_USECS=23,
Unless I am missing something, we should not add new binary sysctls.
Thanks.
