[PATCH v5 10/10] proc/sched: remove unused sched_time_avg_ms

Vincent Guittot
2018-05-25T13:13:07Z

/proc/sys/kernel/sched_time_avg_ms entry is not used anywhere.
Remove it

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(-)

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 213d277..9894bc7 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -46,14 +46,6 @@ 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 1929db7..5d55782 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1704,7 +1704,6 @@ 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 6a78cf7..d77a959 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",
--
2.7.4