linux-kernel - [tip:sched/core] sched/debug: Replace vruntime with wait_sum in / proc/sched

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Message-ID: <tip-c5f3ab1c3b2e277cca6462415038dab02b4ad396@git.kernel.org>
Date:	Fri, 19 Jun 2015 11:00:04 -0700
From:	tip-bot for Srikar Dronamraju <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	srikar@...ux.vnet.ibm.com, peterz@...radead.org,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org,
	tglx@...utronix.de, bp@...en8.de, mingo@...nel.org,
	linux-kernel@...r.kernel.org, hpa@...or.com
Subject: [tip:sched/core] sched/debug: Replace vruntime with wait_sum in /
 proc/sched_debug

Commit-ID:  c5f3ab1c3b2e277cca6462415038dab02b4ad396
Gitweb:     http://git.kernel.org/tip/c5f3ab1c3b2e277cca6462415038dab02b4ad396
Author:     Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
AuthorDate: Mon, 8 Jun 2015 13:40:40 +0530
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Fri, 19 Jun 2015 10:03:11 +0200

sched/debug: Replace vruntime with wait_sum in /proc/sched_debug

Within runnable tasks in /proc/sched_debug, vruntime is printed twice,
once as tree-key and again as exec-runtime.

Since exec-runtime isnt populated in !CONFIG_SCHEDSTATS, use this field
to print wait_sum.

Signed-off-by: Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Borislav Petkov <bp@...en8.de>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Link: http://lkml.kernel.org/r/1433751041-11724-3-git-send-email-srikar@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@...nel.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 59cb603..7dc547e 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -132,7 +132,7 @@ print_task(struct seq_file *m, struct rq *rq, struct task_struct *p)
 		p->prio);
 #ifdef CONFIG_SCHEDSTATS
 	SEQ_printf(m, "%9Ld.%06ld %9Ld.%06ld %9Ld.%06ld",
-		SPLIT_NS(p->se.vruntime),
+		SPLIT_NS(p->se.statistics.wait_sum),
 		SPLIT_NS(p->se.sum_exec_runtime),
 		SPLIT_NS(p->se.statistics.sum_sleep_runtime));
 #else
@@ -158,7 +158,7 @@ static void print_rq(struct seq_file *m, struct rq *rq, int rq_cpu)
 	SEQ_printf(m,
 	"\nrunnable tasks:\n"
 	"            task   PID         tree-key  switches  prio"
-	"     exec-runtime         sum-exec        sum-sleep\n"
+	"     wait-time             sum-exec        sum-sleep\n"
 	"------------------------------------------------------"
 	"----------------------------------------------------\n");
 
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