linux-kernel - [tip: sched/urgent] sched/debug: Fix requested task uclamp values shown in procfs

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Date:   Tue, 19 May 2020 18:44:13 -0000
From:   "tip-bot2 for Pavankumar Kondeti" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Pavankumar Kondeti <pkondeti@...eaurora.org>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Valentin Schneider <valentin.schneider@....com>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: sched/urgent] sched/debug: Fix requested task uclamp values
 shown in procfs

The following commit has been merged into the sched/urgent branch of tip:

Commit-ID:     ad32bb41fca67936c0c1d6d0bdd6d3e2e9c5432f
Gitweb:        https://git.kernel.org/tip/ad32bb41fca67936c0c1d6d0bdd6d3e2e9c5432f
Author:        Pavankumar Kondeti <pkondeti@...eaurora.org>
AuthorDate:    Sun, 10 May 2020 18:26:41 +05:30
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Tue, 19 May 2020 20:34:10 +02:00

sched/debug: Fix requested task uclamp values shown in procfs

The intention of commit 96e74ebf8d59 ("sched/debug: Add task uclamp
values to SCHED_DEBUG procfs") was to print requested and effective
task uclamp values. The requested values printed are read from p->uclamp,
which holds the last effective values. Fix this by printing the values
from p->uclamp_req.

Fixes: 96e74ebf8d59 ("sched/debug: Add task uclamp values to SCHED_DEBUG procfs")
Signed-off-by: Pavankumar Kondeti <pkondeti@...eaurora.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Valentin Schneider <valentin.schneider@....com>
Tested-by: Valentin Schneider <valentin.schneider@....com>
Link: https://lkml.kernel.org/r/1589115401-26391-1-git-send-email-pkondeti@codeaurora.org
---
 kernel/sched/debug.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index a562df5..239970b 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -948,8 +948,8 @@ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns,
 	P(se.avg.util_est.enqueued);
 #endif
 #ifdef CONFIG_UCLAMP_TASK
-	__PS("uclamp.min", p->uclamp[UCLAMP_MIN].value);
-	__PS("uclamp.max", p->uclamp[UCLAMP_MAX].value);
+	__PS("uclamp.min", p->uclamp_req[UCLAMP_MIN].value);
+	__PS("uclamp.max", p->uclamp_req[UCLAMP_MAX].value);
 	__PS("effective uclamp.min", uclamp_eff_value(p, UCLAMP_MIN));
 	__PS("effective uclamp.max", uclamp_eff_value(p, UCLAMP_MAX));
 #endif