[tip:sched/core] sched/debug: Properly format runnable tasks in / proc/sched_debug

From: tip-bot for Srikar Dronamraju
Date: Fri Jun 19 2015 - 14:00:45 EST


Commit-ID: 33d6176eb12d1b0ae6d2f672b47367fd90726b91
Gitweb: http://git.kernel.org/tip/33d6176eb12d1b0ae6d2f672b47367fd90726b91
Author: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>
AuthorDate: Mon, 8 Jun 2015 13:40:39 +0530
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
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@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1433751041-11724-2-git-send-email-srikar@xxxxxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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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