linux-kernel - Re: [tip:sched/core] sched, tracing: Fix trace_sched_pi

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Message-ID: <20180525095407.g4qvfjzchbq7jusx@linutronix.de>
Date:   Fri, 25 May 2018 11:54:07 +0200
From:   Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:     tglx@...utronix.de, peterz@...radead.org,
        torvalds@...ux-foundation.org, mingo@...nel.org,
        rostedt@...dmis.org, linux-kernel@...r.kernel.org, man@...a.com,
        hpa@...or.com
Cc:     linux-tip-commits@...r.kernel.org
Subject: Re: [tip:sched/core] sched, tracing: Fix trace_sched_pi_setprio()
 for deboosting

On 2018-05-25 02:47:20 [-0700], tip-bot for Sebastian Andrzej Siewior wrote:
> Commit-ID:  4ff648decf4712d39f184fc2df3163f43975575a
> Gitweb:     https://git.kernel.org/tip/4ff648decf4712d39f184fc2df3163f43975575a
> Author:     Sebastian Andrzej Siewior <bigeasy@...utronix.de>
> AuthorDate: Thu, 24 May 2018 15:26:48 +0200
> Committer:  Ingo Molnar <mingo@...nel.org>
> CommitDate: Fri, 25 May 2018 08:04:01 +0200
> 
> sched, tracing: Fix trace_sched_pi_setprio() for deboosting
> 
> Since the following commit:
> 
>   b91473ff6e97 ("sched,tracing: Update trace_sched_pi_setprio()")
> 
> the sched_pi_setprio trace point shows the "newprio" during a deboost:
> 
>   |futex sched_pi_setprio: comm=futex_requeue_p pid"34 oldprio newprio=3D98
>   |futex sched_switch: prev_comm=futex_requeue_p prev_pid"34 prev_prio=120

pid=2234 got turned into pid"34 the same for other fields.

Sebastian