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-rw-r--r--kernel/sched/debug.c5
-rw-r--r--kernel/sched/sched.h2
-rw-r--r--kernel/sched/topology.c4
3 files changed, 8 insertions, 3 deletions
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 4a23bbc3111b..b19d06ea6e10 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -181,11 +181,16 @@ static const struct file_operations sched_feat_fops = {
.release = single_release,
};
+__read_mostly bool sched_debug_enabled;
+
static __init int sched_init_debug(void)
{
debugfs_create_file("sched_features", 0644, NULL, NULL,
&sched_feat_fops);
+ debugfs_create_bool("sched_debug", 0644, NULL,
+ &sched_debug_enabled);
+
return 0;
}
late_initcall(sched_init_debug);
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index ab1c7f5409a0..7ea2a0339771 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -1954,6 +1954,8 @@ extern struct sched_entity *__pick_first_entity(struct cfs_rq *cfs_rq);
extern struct sched_entity *__pick_last_entity(struct cfs_rq *cfs_rq);
#ifdef CONFIG_SCHED_DEBUG
+extern bool sched_debug_enabled;
+
extern void print_cfs_stats(struct seq_file *m, int cpu);
extern void print_rt_stats(struct seq_file *m, int cpu);
extern void print_dl_stats(struct seq_file *m, int cpu);
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index 6f7b43982f73..2ab2aa68c796 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -14,11 +14,9 @@ cpumask_var_t sched_domains_tmpmask2;
#ifdef CONFIG_SCHED_DEBUG
-static __read_mostly int sched_debug_enabled;
-
static int __init sched_debug_setup(char *str)
{
- sched_debug_enabled = 1;
+ sched_debug_enabled = true;
return 0;
}