From: Rabin Vincent <rab...@axis.com>
sysrq_sched_debug_show() can dump a lot of information. Don't print out
all that if we're just trying to get a list of blocked tasks (SysRq-W).
The information is still accessible with SysRq-T.
Signed-off-by: Rabin Vincent <rab...@axis.com>
---
kernel/sched/core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 8b489fc..e330d6c 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4998,7 +4998,8 @@ void show_state_filter(unsigned long state_filter)
touch_all_softlockup_watchdogs();
#ifdef CONFIG_SCHED_DEBUG
- sysrq_sched_debug_show();
+ if (!state_filter)
+ sysrq_sched_debug_show();
#endif
rcu_read_unlock();
/*
--
2.7.0
