linux-kernel - Re: [PATCH] sched/core: Export pelt_thermal

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Message-ID: <YXrJOKb17cH6vkTc@infradead.org>
Date:   Thu, 28 Oct 2021 09:00:56 -0700
From:   Christoph Hellwig <hch@...radead.org>
To:     Qais Yousef <qais.yousef@....com>
Cc:     "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Ingo Molnar <mingo@...nel.org>,
        Dietmar Eggemann <dietmar.eggemann@....com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Thara Gopinath <thara.gopinath@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sched/core: Export pelt_thermal_tp

On Thu, Oct 28, 2021 at 12:50:05PM +0100, Qais Yousef wrote:
> We can't use this tracepoint in modules without having the symbol
> exported first, fix that.

Which modules is using this?  In linux-next there does not seems to be
any user outside of kernel/sched/pelt.c.

> @@ -36,6 +36,7 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(pelt_rt_tp);
>  EXPORT_TRACEPOINT_SYMBOL_GPL(pelt_dl_tp);
>  EXPORT_TRACEPOINT_SYMBOL_GPL(pelt_irq_tp);
>  EXPORT_TRACEPOINT_SYMBOL_GPL(pelt_se_tp);
> +EXPORT_TRACEPOINT_SYMBOL_GPL(pelt_thermal_tp);
>  EXPORT_TRACEPOINT_SYMBOL_GPL(sched_cpu_capacity_tp);
>  EXPORT_TRACEPOINT_SYMBOL_GPL(sched_overutilized_tp);
>  EXPORT_TRACEPOINT_SYMBOL_GPL(sched_util_est_cfs_tp);

... and while we're at it, all these exports are unused and should
be deleted as well.