linux-kernel - [tip:sched/core] sched/debug: Properly format runnable tasks in / proc/sched

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Date:	Fri, 19 Jun 2015 10:59:47 -0700
From:	tip-bot for Srikar Dronamraju <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	peterz@...radead.org, srikar@...ux.vnet.ibm.com, hpa@...or.com,
	tglx@...utronix.de, bp@...en8.de, torvalds@...ux-foundation.org,
	linux-kernel@...r.kernel.org, mingo@...nel.org,
	akpm@...ux-foundation.org
Subject: [tip:sched/core] sched/debug: Properly format runnable tasks in /
 proc/sched_debug

Commit-ID:  33d6176eb12d1b0ae6d2f672b47367fd90726b91
Gitweb:     http://git.kernel.org/tip/33d6176eb12d1b0ae6d2f672b47367fd90726b91
Author:     Srikar Dronamraju <srikar@...ux.vnet.ibm.com>
AuthorDate: Mon, 8 Jun 2015 13:40:39 +0530
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Fri, 19 Jun 2015 10:03:10 +0200

sched/debug: Properly format runnable tasks in /proc/sched_debug

With !CONFIG_SCHEDSTATS, runnable tasks in /proc/sched_debug has too
many columns than required. Fix this by printing appropriate columns.

While at this, print sum_exec_runtime, since this information is
available even in !CONFIG_SCHEDSTATS case.

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/1433751041-11724-2-git-send-email-srikar@linux.vnet.ibm.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/debug.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index a245c1f..59cb603 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -136,8 +136,10 @@ print_task(struct seq_file *m, struct rq *rq, struct task_struct *p)
 		SPLIT_NS(p->se.sum_exec_runtime),
 		SPLIT_NS(p->se.statistics.sum_sleep_runtime));
 #else
-	SEQ_printf(m, "%15Ld %15Ld %15Ld.%06ld %15Ld.%06ld %15Ld.%06ld",
-		0LL, 0LL, 0LL, 0L, 0LL, 0L, 0LL, 0L);
+	SEQ_printf(m, "%9Ld.%06ld %9Ld.%06ld %9Ld.%06ld",
+		0LL, 0L,
+		SPLIT_NS(p->se.sum_exec_runtime),
+		0LL, 0L);
 #endif
 #ifdef CONFIG_NUMA_BALANCING
 	SEQ_printf(m, " %d", task_node(p));
--
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