Re: [PATCH] sched/nohz: add debugfs control over sched_tick_max_deferment

From: Kevin Hilman
Date: Fri Sep 26 2014 - 16:03:35 EST

Hi Frederic,

On Fri, Sep 26, 2014 at 12:45 PM, Kevin Hilman <khilman@xxxxxxxxxx> wrote:
> From: Kevin Hilman <khilman@xxxxxxxxxx>
> Allow debugfs override of sched_tick_max_deferment in order to ease
> finding/fixing the remaining issues with full nohz.
> The value to be written is in jiffies, and -1 means the max deferment
> is disabled (scheduler_tick_max_deferment() returns KTIME_MAX.)
> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
> Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxx>

This is just an attempt to revive and hopefully finalize the
discussion started a while back[1].


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