sched: scheduler debugging, enable in Kconfig
enable CONFIG_SCHED_DEBUG in lib/Kconfig.debug.
the runtime overhead of this option is very small.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index da95e10..fab32a2 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -105,6 +105,15 @@
can be detected via the NMI-watchdog, on platforms that
support it.)
+config SCHED_DEBUG
+ bool "Collect scheduler debugging info"
+ depends on DEBUG_KERNEL && PROC_FS
+ default y
+ help
+ If you say Y here, the /proc/sched_debug file will be provided
+ that can help debug the scheduler. The runtime overhead of this
+ option is minimal.
+
config SCHEDSTATS
bool "Collect scheduler statistics"
depends on DEBUG_KERNEL && PROC_FS