diff mbox series

[11/11] proc/sched: remove unused sched_time_avg_ms

Message ID 1530200714-4504-12-git-send-email-vincent.guittot@linaro.org
State Accepted
Commit 5fd778915ad29184a5ff8eb82d1118f6916b79e4
Headers show
Series track CPU utilization | expand

Commit Message

Vincent Guittot June 28, 2018, 3:45 p.m. UTC
/proc/sys/kernel/sched_time_avg_ms entry is not used anywhere.
Remove it

Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>
Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>

---
 include/linux/sched/sysctl.h | 1 -
 kernel/sched/core.c          | 8 --------
 kernel/sched/sched.h         | 1 -
 kernel/sysctl.c              | 8 --------
 4 files changed, 18 deletions(-)

-- 
2.7.4

Comments

Luis Chamberlain June 28, 2018, 3:51 p.m. UTC | #1
On Thu, Jun 28, 2018 at 05:45:14PM +0200, Vincent Guittot wrote:
> /proc/sys/kernel/sched_time_avg_ms entry is not used anywhere.

> Remove it

> 

> Cc: Ingo Molnar <mingo@redhat.com>

> Cc: Peter Zijlstra <peterz@infradead.org>

> Cc: Kees Cook <keescook@chromium.org>

> Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>

> Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>


Reviewed-by: Luis R. Rodriguez <mcgrof@kernel.org>


  Luis
Vincent Guittot June 29, 2018, 5:49 a.m. UTC | #2
On Thu, 28 Jun 2018 at 21:03, Luis R. Rodriguez <mcgrof@kernel.org> wrote:
>

> On Thu, Jun 28, 2018 at 05:45:14PM +0200, Vincent Guittot wrote:

> > /proc/sys/kernel/sched_time_avg_ms entry is not used anywhere.

> > Remove it

> >

> > Cc: Ingo Molnar <mingo@redhat.com>

> > Cc: Peter Zijlstra <peterz@infradead.org>

> > Cc: Kees Cook <keescook@chromium.org>

> > Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>

> > Signed-off-by: Vincent Guittot <vincent.guittot@linaro.org>

>

> Reviewed-by: Luis R. Rodriguez <mcgrof@kernel.org>


Thanks

Vincent

>

>   Luis
diff mbox series

Patch

diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h
index 1c1a151..913488d 100644
--- a/include/linux/sched/sysctl.h
+++ b/include/linux/sched/sysctl.h
@@ -40,7 +40,6 @@  extern unsigned int sysctl_numa_balancing_scan_size;
 #ifdef CONFIG_SCHED_DEBUG
 extern __read_mostly unsigned int sysctl_sched_migration_cost;
 extern __read_mostly unsigned int sysctl_sched_nr_migrate;
-extern __read_mostly unsigned int sysctl_sched_time_avg;
 
 int sched_proc_update_handler(struct ctl_table *table, int write,
 		void __user *buffer, size_t *length,
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index e9aae7f..6935691 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -48,14 +48,6 @@  const_debug unsigned int sysctl_sched_features =
 const_debug unsigned int sysctl_sched_nr_migrate = 32;
 
 /*
- * period over which we average the RT time consumption, measured
- * in ms.
- *
- * default: 1s
- */
-const_debug unsigned int sysctl_sched_time_avg = MSEC_PER_SEC;
-
-/*
  * period over which we measure -rt task CPU usage in us.
  * default: 1s
  */
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index c71ea81..47b9175 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1706,7 +1706,6 @@  extern void deactivate_task(struct rq *rq, struct task_struct *p, int flags);
 
 extern void check_preempt_curr(struct rq *rq, struct task_struct *p, int flags);
 
-extern const_debug unsigned int sysctl_sched_time_avg;
 extern const_debug unsigned int sysctl_sched_nr_migrate;
 extern const_debug unsigned int sysctl_sched_migration_cost;
 
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 2d9837c..f22f76b 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -368,14 +368,6 @@  static struct ctl_table kern_table[] = {
 		.mode		= 0644,
 		.proc_handler	= proc_dointvec,
 	},
-	{
-		.procname	= "sched_time_avg_ms",
-		.data		= &sysctl_sched_time_avg,
-		.maxlen		= sizeof(unsigned int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec_minmax,
-		.extra1		= &one,
-	},
 #ifdef CONFIG_SCHEDSTATS
 	{
 		.procname	= "sched_schedstats",