[tip:sched/core] sched/debug: Replace vruntime with wait_sum in / proc/sched_debug

From: tip-bot for Srikar Dronamraju
Date: Fri Jun 19 2015 - 14:01:02 EST


Commit-ID: c5f3ab1c3b2e277cca6462415038dab02b4ad396
Gitweb: http://git.kernel.org/tip/c5f3ab1c3b2e277cca6462415038dab02b4ad396
Author: Srikar Dronamraju <srikar@xxxxxxxxxxxxxxxxxx>
AuthorDate: Mon, 8 Jun 2015 13:40:40 +0530
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
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@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/1433751041-11724-3-git-send-email-srikar@xxxxxxxxxxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
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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