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sched: promote nodes out of CONFIG_SCHED_DEBUG

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xNombre: Android modifies some scheduler parameters on boot.
Applying these manually resulted in better hackbench performance.

Signed-off-by: Juhyung Park <qkrwngud825@gmail.com>
Signed-off-by: Andrzej Perczak <linux@andrzejperczak.com>
Signed-off-by: azrim <mirzaspc@gmail.com>
This commit is contained in:
Juhyung Park 2021-12-17 18:52:43 +01:00 committed by azrim
parent be7a87c7d6
commit 15c03df8c0
No known key found for this signature in database
GPG Key ID: 497F8FB059B45D1C
4 changed files with 1 additions and 11 deletions
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2
include/linux/sched/sysctl.h
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@ -76,7 +76,6 @@ extern unsigned int sysctl_numa_balancing_scan_period_min;
extern unsigned int sysctl_numa_balancing_scan_period_max;
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;
@ -84,7 +83,6 @@ 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,
loff_t *ppos);
#endif
extern int sched_boost_handler(struct ctl_table *table, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);

2
kernel/sched/fair.c
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@ -678,7 +678,6 @@ static struct sched_entity *__pick_next_entity(struct sched_entity *se)
return rb_entry(next, struct sched_entity, run_node);
}
#ifdef CONFIG_SCHED_DEBUG
struct sched_entity *__pick_last_entity(struct cfs_rq *cfs_rq)
{
struct rb_node *last = rb_last(&cfs_rq->tasks_timeline.rb_root);
@ -715,7 +714,6 @@ int sched_proc_update_handler(struct ctl_table *table, int write,
return 0;
}
#endif
/*
* delta /= w

4
kernel/sched/sched.h
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@ -1466,12 +1466,8 @@ static inline void __set_task_cpu(struct task_struct *p, unsigned int cpu)
/*
* Tunables that become constants when CONFIG_SCHED_DEBUG is off:
*/
#ifdef CONFIG_SCHED_DEBUG
# include <linux/static_key.h>
# define const_debug __read_mostly
#else
# define const_debug const
#endif
extern const_debug unsigned int sysctl_sched_features;

4
kernel/sysctl.c
View File

@ -328,7 +328,6 @@ static struct ctl_table sysctl_base_table[] = {
{ }
};
#ifdef CONFIG_SCHED_DEBUG
static int min_sched_granularity_ns = 100000; /* 100 usecs */
static int max_sched_granularity_ns = NSEC_PER_SEC; /* 1 second */
static int min_wakeup_granularity_ns; /* 0 usecs */
@ -337,7 +336,6 @@ static int max_wakeup_granularity_ns = NSEC_PER_SEC; /* 1 second */
static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE;
static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1;
#endif /* CONFIG_SMP */
#endif /* CONFIG_SCHED_DEBUG */
#ifdef CONFIG_COMPACTION
static int min_extfrag_threshold;
@ -483,7 +481,6 @@ static struct ctl_table kern_table[] = {
.extra1 = &zero,
.extra2 = &one,
},
#ifdef CONFIG_SCHED_DEBUG
{
.procname = "sched_min_granularity_ns",
.data = &sysctl_sched_min_granularity,
@ -542,6 +539,7 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec,
},
#ifdef CONFIG_SCHED_DEBUG
{
.procname = "sched_nr_migrate",
.data = &sysctl_sched_nr_migrate,