[PATCH v3 13/20] sched/debug: Create debugfs folder steal_monitor

[Shrikanth Hegde]

Create a debugfs folder called steal_monitor in /sys/kernel/debug/sched

This is going to host debugfs knobs needed for generic steal monitor
that will be introduced in subsequent patches.

Signed-off-by: Shrikanth Hegde <sshegde@xxxxxxxxxxxxx>
---
 kernel/sched/debug.c | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index 482c86a0ff80..b1abfdc168bf 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -591,6 +591,17 @@ static void debugfs_ext_server_init(void)
 }
 #endif /* CONFIG_SCHED_CLASS_EXT */
 
+#ifdef CONFIG_PREFERRED_CPU
+static void sched_steal_monitor_debugfs_init(void)
+{
+	struct dentry __maybe_unused *sm;
+
+	sm = debugfs_create_dir("steal_monitor", debugfs_sched);
+	if (!sm)
+		return;
+}
+#endif
+
 static __init int sched_init_debug(void)
 {
 	struct dentry __maybe_unused *numa;
@@ -632,6 +643,9 @@ static __init int sched_init_debug(void)
 #ifdef CONFIG_SCHED_CLASS_EXT
 	debugfs_ext_server_init();
 #endif
+#ifdef CONFIG_PREFERRED_CPU
+	sched_steal_monitor_debugfs_init();
+#endif
 
 	return 0;
 }
-- 
2.47.3