linux-kernel - [PATCH] sched: Remove nr_spread

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Message-Id: <20231104091230.128516-1-s921975628@gmail.com>
Date:   Sat,  4 Nov 2023 17:12:30 +0800
From:   Yiwei Lin <s921975628@...il.com>
To:     mingo@...hat.com, peterz@...radead.org
Cc:     vincent.guittot@...aro.org, dietmar.eggemann@....com,
        linux-kernel@...r.kernel.org, s921975628@...il.com
Subject: [PATCH] sched: Remove nr_spread_over for sched debug

As the statistic for nr_spread_over isn't tracked in scheduler
anymore after the EEVDF changes, we should just remove it.

Signed-off-by: Yiwei Lin <s921975628@...il.com>
---
 kernel/sched/debug.c | 2 --
 kernel/sched/sched.h | 4 ----
 2 files changed, 6 deletions(-)

diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 4580a4507..b5157db38 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -663,8 +663,6 @@ void print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq)
 			SPLIT_NS(right_vruntime));
 	spread = right_vruntime - left_vruntime;
 	SEQ_printf(m, "  .%-30s: %Ld.%06ld\n", "spread", SPLIT_NS(spread));
-	SEQ_printf(m, "  .%-30s: %d\n", "nr_spread_over",
-			cfs_rq->nr_spread_over);
 	SEQ_printf(m, "  .%-30s: %d\n", "nr_running", cfs_rq->nr_running);
 	SEQ_printf(m, "  .%-30s: %d\n", "h_nr_running", cfs_rq->h_nr_running);
 	SEQ_printf(m, "  .%-30s: %d\n", "idle_nr_running",
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index 2e5a95486..5b5839c34 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -562,10 +562,6 @@ struct cfs_rq {
 	struct sched_entity	*curr;
 	struct sched_entity	*next;
 
-#ifdef	CONFIG_SCHED_DEBUG
-	unsigned int		nr_spread_over;
-#endif
-
 #ifdef CONFIG_SMP
 	/*
 	 * CFS load tracking
-- 
2.34.1