linux-kernel - Re: [PATCH v5 1/4] sched: Define sched_clock

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Message-ID: <4mn32j3ppdhh4xtvjs4bxaskgoc27ldpap4j6676p7uhsuzuzk@gbq2xb35aki6>
Date: Tue, 3 Dec 2024 11:01:25 +0100
From: Michal Koutný <mkoutny@...e.com>
To: Yafang Shao <laoar.shao@...il.com>
Cc: mingo@...hat.com, peterz@...radead.org, juri.lelli@...hat.com, 
	vincent.guittot@...aro.org, dietmar.eggemann@....com, rostedt@...dmis.org, 
	bsegall@...gle.com, mgorman@...e.de, vschneid@...hat.com, hannes@...xchg.org, 
	surenb@...gle.com, cgroups@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/4] sched: Define sched_clock_irqtime as static key

On Fri, Nov 08, 2024 at 09:29:01PM GMT, Yafang Shao <laoar.shao@...il.com> wrote:
> diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
> index 081519ffab46..0c83ab35256e 100644
> --- a/kernel/sched/sched.h
> +++ b/kernel/sched/sched.h
...  
> +#else
> +
> +static inline int irqtime_enabled(void)
> +{
> +	return 0;
> +}
> +

You can reuse the removed macro here:

BTW, have you measured whether this change has an effect above rounding
error?

But generally,
Reviewed-by: Michal Koutný <mkoutny@...e.com>

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