Re: [PATCH 4/4] timers/nohz: Update nohz load in remote tick

From: Peter Zijlstra
Date: Tue Jan 07 2020 - 04:26:42 EST


On Mon, Dec 16, 2019 at 06:22:25PM -0500, Scott Wood wrote:
> From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
>
> The way loadavg is tracked during nohz only pays attention to the load
> upon entering nohz. This can be particularly noticeable if full nohz is
> entered while non-idle, and then the cpu goes idle and stays that way for
> a long time.
>
> Use the remote tick to ensure that full nohz cpus report their deltas
> within a reasonable time.
>
> [swood: added changelog and removed recheck of stopped tick]
> Signed-off-by: Scott Wood <swood@xxxxxxxxxx>
> ---
> This patch was provided by Peter in an unsigned email reply --
> Peter, can I get a signoff?

Here goes, glad it works :-)

Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>